Network conditions: Override the user agent string | Chrome DevTools

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aria-label="Close search"></button> </devsite-search> </div> <devsite-appearance-selector></devsite-appearance-selector> <devsite-language-selector> <ul role="presentation"> <li role="presentation"> <a role="menuitem" lang="en" >English</a> </li> <li role="presentation"> <a role="menuitem" lang="de" >Deutsch</a> </li> <li role="presentation"> <a role="menuitem" lang="es_419" >Español – América Latina</a> </li> <li role="presentation"> <a role="menuitem" lang="fr" >Français</a> </li> <li role="presentation"> <a role="menuitem" lang="id" >Indonesia</a> </li> <li role="presentation"> <a role="menuitem" lang="it" >Italiano</a> </li> <li role="presentation"> <a role="menuitem" lang="nl" >Nederlands</a> </li> <li role="presentation"> <a role="menuitem" lang="pl" >Polski</a> </li> <li role="presentation"> <a role="menuitem" lang="pt_br" >Português – Brasil</a> </li> <li role="presentation"> <a role="menuitem" lang="vi" >Tiếng Việt</a> </li> <li role="presentation"> <a role="menuitem" lang="tr" >Türkçe</a> </li> <li role="presentation"> <a role="menuitem" lang="ru" >Русский</a> </li> <li role="presentation"> <a role="menuitem" lang="he" >עברית</a> </li> <li role="presentation"> <a role="menuitem" lang="ar" >العربيّة</a> </li> <li role="presentation"> <a role="menuitem" lang="fa" >فارسی</a> </li> <li role="presentation"> <a role="menuitem" lang="hi" >हिंदी</a> </li> <li role="presentation"> <a role="menuitem" lang="bn" >বাংলা</a> </li> <li role="presentation"> <a role="menuitem" lang="th" >ภาษาไทย</a> </li> <li role="presentation"> <a role="menuitem" lang="zh_cn" >中文 – 简体</a> </li> <li role="presentation"> <a role="menuitem" lang="zh_tw" >中文 – 繁體</a> </li> <li role="presentation"> <a role="menuitem" lang="ja" >日本語</a> </li> <li role="presentation"> <a role="menuitem" lang="ko" >한국어</a> </li> </ul> </devsite-language-selector> <devsite-user enable-profiles id="devsite-user"> <span class="button devsite-top-button" aria-hidden="true" visually-hidden>Sign in</span> </devsite-user> </div> </div> </div> <div class="devsite-collapsible-section "> <div class="devsite-header-background"> <div class="devsite-product-id-row" > <div class="devsite-product-description-row"> <ul class="devsite-breadcrumb-list" > <li class="devsite-breadcrumb-item "> <a href="https://developer.chrome.com/docs/devtools" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Lower Header" data-value="1" track-type="globalNav" track-name="breadcrumb" track-metadata-position="1" track-metadata-eventdetail="Chrome DevTools" > Chrome DevTools </a> </li> </ul> </div> </div> <div class="devsite-doc-set-nav-row"> <devsite-tabs class="lower-tabs"> <nav class="devsite-tabs-wrapper" aria-label="Lower tabs"> <tab > <a href="https://developer.chrome.com/docs/devtools" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - devtools" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: DevTools" track-name="devtools" > DevTools </a> </tab> <tab class="devsite-dropdown "> <a href="https://developer.chrome.com/docs/devtools/dom" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/dom" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - panels" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Panels" track-name="panels" > Panels </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Panels" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/dom" track-metadata-position="nav - panels" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Panels" track-name="panels" class="devsite-tabs-dropdown-toggle devsite-icon devsite-icon-arrow-drop-down"></a> <div class="devsite-tabs-dropdown" aria-label="submenu" hidden> <div class="devsite-tabs-dropdown-content"> <div class="devsite-tabs-dropdown-column "> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/elements" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/elements" track-metadata-position="nav - panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Elements </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/ai-assistance" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/ai-assistance" track-metadata-position="nav - panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> AI assistance </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/console" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/console" track-metadata-position="nav - panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Console </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/sources" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/sources" track-metadata-position="nav - panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Sources </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/network/overview" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/network/overview" track-metadata-position="nav - panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Network </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/performance/overview" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/performance/overview" track-metadata-position="nav - panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Performance </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/memory" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/memory" track-metadata-position="nav - panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Memory </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/application" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/application" track-metadata-position="nav - panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Application </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/recorder/overview" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/recorder/overview" track-metadata-position="nav - panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Recorder </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/rendering" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/rendering" track-metadata-position="nav - panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Rendering </div> </a> </li> </ul> </div> </div> </div> </tab> <tab class="devsite-dropdown devsite-active "> <a href="https://developer.chrome.com/docs/devtools/security" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/security" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - more panels" track-metadata-module="primary nav" aria-label="More panels, selected" data-category="Site-Wide Custom Events" data-label="Tab: More panels" track-name="more panels" > More panels </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for More panels" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/security" track-metadata-position="nav - more panels" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: More panels" track-name="more panels" class="devsite-tabs-dropdown-toggle devsite-icon devsite-icon-arrow-drop-down"></a> <div class="devsite-tabs-dropdown" aria-label="submenu" hidden> <div class="devsite-tabs-dropdown-content"> <div class="devsite-tabs-dropdown-column "> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/autofill" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/autofill" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Autofill </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/css/animations" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/css/animations" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Animations </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/changes" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/changes" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Changes </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/coverage" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/coverage" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Coverage </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/developer-resources" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/developer-resources" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Developer resources </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/css-overview" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/css-overview" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> CSS overview </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/issues" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/issues" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Issues </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/layers" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/layers" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Layers </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/lighthouse" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/lighthouse" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Lighthouse </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/media-panel" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/media-panel" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Media </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/memory-inspector" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/memory-inspector" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Memory Inspector </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/device-mode/override-user-agent" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/device-mode/override-user-agent" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Network conditions </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/network-request-blocking" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/network-request-blocking" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Network request blocking </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/performance-monitor" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/performance-monitor" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Performance monitor </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/protocol-monitor" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/protocol-monitor" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Protocol monitor </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/quick-source" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/quick-source" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Quick source </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/security" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/security" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Security </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/sensors" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/sensors" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Sensors </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/webaudio" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/webaudio" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> WebAudio </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/webauthn" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/webauthn" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> WebAuthn </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/devtools/whats-new" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/whats-new" track-metadata-position="nav - more panels" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> What's new </div> </a> </li> </ul> </div> </div> </div> </tab> <tab > <a href="https://developer.chrome.com/docs/devtools/settings" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/settings" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - settings" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Settings" track-name="settings" > Settings </a> </tab> <tab > <a href="https://developer.chrome.com/docs/devtools/accessibility/reference" track-metadata-eventdetail="https://developer.chrome.com/docs/devtools/accessibility/reference" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - accessibility" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Accessibility" track-name="accessibility" > Accessibility </a> </tab> </nav> </devsite-tabs> </div> </div> </div> </div> </devsite-header> <devsite-book-nav scrollbars > <div class="devsite-book-nav-filter" > <span class="filter-list-icon material-icons" aria-hidden="true"></span> <input type="text" placeholder="Filter" aria-label="Type to filter" role="searchbox"> <span class="filter-clear-button hidden" data-title="Clear filter" aria-label="Clear filter" role="button" tabindex="0"></span> </div> <nav class="devsite-book-nav devsite-nav nocontent" aria-label="Side menu"> <div class="devsite-mobile-header"> <button type="button" id="devsite-close-nav" class="devsite-header-icon-button button-flat material-icons gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Close navigation" aria-label="Close navigation"> </button> <div class="devsite-product-name-wrapper"> <a href="/" class="devsite-site-logo-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Site logo" track-type="globalNav" track-name="chromeForDevelopers" track-metadata-position="nav" track-metadata-eventDetail="nav"> <picture> <source srcset="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/chrome/images/lockup-dark-theme.svg" media="(prefers-color-scheme: dark)" class="devsite-dark-theme" alt="Chrome for Developers"> <img src="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/chrome/images/lockup.svg" class="devsite-site-logo" alt="Chrome for Developers"> </picture> </a> <span class="devsite-product-name"> <ul class="devsite-breadcrumb-list" > <li class="devsite-breadcrumb-item "> </li> </ul> </span> </div> </div> <div class="devsite-book-nav-wrapper"> <div class="devsite-mobile-nav-top"> <ul class="devsite-nav-list"> <li class="devsite-nav-item"> <a href="/case-studies" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Get inspired" track-name="get inspired" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Get inspired" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Get inspired </span> </a> </li> <li class="devsite-nav-item"> <a href="/blog" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Blog" track-name="blog" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Blog" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Blog </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs" class="devsite-nav-title gc-analytics-event devsite-nav-active" data-category="Site-Wide Custom Events" data-label="Tab: Docs" track-name="docs" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Docs" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Docs </span> </a> <ul class="devsite-nav-responsive-tabs devsite-nav-has-menu "> <li class="devsite-nav-item"> <span class="devsite-nav-title" tooltip data-category="Site-Wide Custom Events" data-label="Tab: Docs" track-name="docs" > <span class="devsite-nav-text" tooltip menu="Docs"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Docs"> </span> </span> </li> </ul> <ul class="devsite-nav-responsive-tabs"> <li class="devsite-nav-item"> <a href="/docs/devtools" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: DevTools" track-name="devtools" data-category="Site-Wide Custom Events" data-label="Responsive Tab: DevTools" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > DevTools </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/devtools/dom" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Panels" track-name="panels" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Panels" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Panels </span> </a> <ul class="devsite-nav-responsive-tabs devsite-nav-has-menu devsite-lower-tab-item"> <li class="devsite-nav-item"> <span class="devsite-nav-title" tooltip data-category="Site-Wide Custom Events" data-label="Tab: Panels" track-name="panels" > <span class="devsite-nav-text" tooltip menu="Panels"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Panels"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/docs/devtools/security" class="devsite-nav-title gc-analytics-event devsite-nav-has-children devsite-nav-active" data-category="Site-Wide Custom Events" data-label="Tab: More panels" track-name="more panels" data-category="Site-Wide Custom Events" data-label="Responsive Tab: More panels" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip menu="_book"> More panels </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="_book"> </span> </a> <ul class="devsite-nav-responsive-tabs devsite-nav-has-menu devsite-lower-tab-item"> <li class="devsite-nav-item"> <span class="devsite-nav-title" tooltip data-category="Site-Wide Custom Events" data-label="Tab: More panels" track-name="more panels" > <span class="devsite-nav-text" tooltip menu="More panels"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="More panels"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/docs/devtools/settings" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: Settings" track-name="settings" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Settings" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Settings </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/devtools/accessibility/reference" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: Accessibility" track-name="accessibility" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Accessibility" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Accessibility </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/new" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: New in Chrome" track-name="new in chrome" data-category="Site-Wide Custom Events" data-label="Responsive Tab: New in Chrome" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > New in Chrome </span> </a> </li> </ul> </div> <div class="devsite-mobile-nav-bottom"> <ul class="devsite-nav-list" menu="_book"> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Get started</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/overview" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/overview" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/overview" ><span class="devsite-nav-text" tooltip>Overview</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/open" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/open" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/open" ><span class="devsite-nav-text" tooltip>Open Chrome DevTools</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/news" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/news" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/news" ><span class="devsite-nav-text" tooltip>What's new in DevTools</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/customize" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/customize" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/customize" ><span class="devsite-nav-text" tooltip>Customize DevTools</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/tips" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/tips" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/tips" ><span class="devsite-nav-text" tooltip>DevTools Tips</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Commands and shortcuts</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/command-menu" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/command-menu" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/command-menu" ><span class="devsite-nav-text" tooltip>Run commands in the Command Menu</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/javascript/disable" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/javascript/disable" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/javascript/disable" ><span class="devsite-nav-text" tooltip>Disable JavaScript</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/shortcuts" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/shortcuts" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/shortcuts" ><span class="devsite-nav-text" tooltip>Keyboard shortcuts</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/device-mode" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/device-mode" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/device-mode" ><span class="devsite-nav-text" tooltip>Simulate mobile devices with Device Mode</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/search" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/search" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/search" ><span class="devsite-nav-text" tooltip>Find text across all loaded resources with Search</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Elements</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/elements" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/elements" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/elements" ><span class="devsite-nav-text" tooltip>Overview</span></a></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>DOM</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/devtools/dom" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/dom" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/dom" ><span class="devsite-nav-text" tooltip>View and change the DOM</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/dom/properties" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/dom/properties" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/dom/properties" ><span class="devsite-nav-text" tooltip>View properties of DOM objects</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/elements/badges" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/elements/badges" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/elements/badges" ><span class="devsite-nav-text" tooltip>Badges references</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>CSS</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/devtools/css" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/css" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/css" ><span class="devsite-nav-text" tooltip>View and change CSS</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/css/issues" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/css/issues" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/css/issues" ><span class="devsite-nav-text" tooltip>Find invalid, overridden, inactive, and other CSS</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/css/color" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/css/color" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/css/color" ><span class="devsite-nav-text" tooltip>Inspect and debug with the Color Picker</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/css/grid" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/css/grid" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/css/grid" ><span class="devsite-nav-text" tooltip>Inspect grid layouts</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/css/flexbox" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/css/flexbox" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/css/flexbox" ><span class="devsite-nav-text" tooltip>Inspect and debug flexbox layouts</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/css/container-queries" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/css/container-queries" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/css/container-queries" ><span class="devsite-nav-text" tooltip>Inspect and debug container queries</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/css/reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/css/reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/css/reference" ><span class="devsite-nav-text" tooltip>Feature reference</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>AI assistance</span> </div></li> <li class="devsite-nav-item devsite-nav-experimental"><a href="/docs/devtools/ai-assistance" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/ai-assistance" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/ai-assistance" ><span class="devsite-nav-text" tooltip>Overview</span><span class="devsite-nav-icon material-icons" data-icon="experimental" data-title="Experimental!" aria-hidden="true"></span></a></li> <li class="devsite-nav-item devsite-nav-experimental"><a href="/docs/devtools/ai-assistance/styling" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/ai-assistance/styling" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/ai-assistance/styling" ><span class="devsite-nav-text" tooltip>Styling</span><span class="devsite-nav-icon material-icons" data-icon="experimental" data-title="Experimental!" aria-hidden="true"></span></a></li> <li class="devsite-nav-item devsite-nav-experimental"><a href="/docs/devtools/ai-assistance/network" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/ai-assistance/network" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/ai-assistance/network" ><span class="devsite-nav-text" tooltip>Network</span><span class="devsite-nav-icon material-icons" data-icon="experimental" data-title="Experimental!" aria-hidden="true"></span></a></li> <li class="devsite-nav-item devsite-nav-experimental"><a href="/docs/devtools/ai-assistance/sources" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/ai-assistance/sources" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/ai-assistance/sources" ><span class="devsite-nav-text" tooltip>Sources</span><span class="devsite-nav-icon material-icons" data-icon="experimental" data-title="Experimental!" aria-hidden="true"></span></a></li> <li class="devsite-nav-item devsite-nav-experimental"><a href="/docs/devtools/ai-assistance/performance" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/ai-assistance/performance" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/ai-assistance/performance" ><span class="devsite-nav-text" tooltip>Performance</span><span class="devsite-nav-icon material-icons" data-icon="experimental" data-title="Experimental!" aria-hidden="true"></span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Console</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/console" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/console" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/console" ><span class="devsite-nav-text" tooltip>Overview</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/console/understand-messages" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/console/understand-messages" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/console/understand-messages" ><span class="devsite-nav-text" tooltip>Understand errors and warnings with Console insights</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/console/log" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/console/log" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/console/log" ><span class="devsite-nav-text" tooltip>Log messages</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/console/javascript" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/console/javascript" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/console/javascript" ><span class="devsite-nav-text" tooltip>Run JavaScript</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/console/live-expressions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/console/live-expressions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/console/live-expressions" ><span class="devsite-nav-text" tooltip>Watch JavaScript in real-time</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/console/format-style" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/console/format-style" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/console/format-style" ><span class="devsite-nav-text" tooltip>Format and style messages</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/console/reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/console/reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/console/reference" ><span class="devsite-nav-text" tooltip>Feature reference</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/console/api" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/console/api" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/console/api" ><span class="devsite-nav-text" tooltip>API reference</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/console/utilities" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/console/utilities" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/console/utilities" ><span class="devsite-nav-text" tooltip>Utilities API reference</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Sources</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/sources" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/sources" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/sources" ><span class="devsite-nav-text" tooltip>Overview</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/javascript" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/javascript" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/javascript" ><span class="devsite-nav-text" tooltip>Debug JavaScript</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/javascript/breakpoints" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/javascript/breakpoints" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/javascript/breakpoints" ><span class="devsite-nav-text" tooltip>Pause your code with breakpoints</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/javascript/snippets" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/javascript/snippets" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/javascript/snippets" ><span class="devsite-nav-text" tooltip>Run snippets of JavaScript</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/javascript/source-maps" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/javascript/source-maps" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/javascript/source-maps" ><span class="devsite-nav-text" tooltip>Debug original code instead of deployed with source maps</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/workspaces" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/workspaces" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/workspaces" ><span class="devsite-nav-text" tooltip>Edit and save files in a workspace</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/overrides" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/overrides" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/overrides" ><span class="devsite-nav-text" tooltip>Override web content and HTTP response headers locally</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/javascript/reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/javascript/reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/javascript/reference" ><span class="devsite-nav-text" tooltip>JavaScript debugging reference</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/wasm" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/wasm" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/wasm" ><span class="devsite-nav-text" tooltip>Debug C/C++ WebAssembly</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Network</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/network/overview" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/network/overview" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/network/overview" ><span class="devsite-nav-text" tooltip>Overview</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/network" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/network" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/network" ><span class="devsite-nav-text" tooltip>Inspect network activity</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/network/reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/network/reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/network/reference" ><span class="devsite-nav-text" tooltip>Features reference</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/resources" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/resources" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/resources" ><span class="devsite-nav-text" tooltip>View page resources</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Performance</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/performance/overview" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/performance/overview" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/performance/overview" ><span class="devsite-nav-text" tooltip>Overview</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/performance" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/performance" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/performance" ><span class="devsite-nav-text" tooltip>Analyze runtime performance</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/performance/reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/performance/reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/performance/reference" ><span class="devsite-nav-text" tooltip>Features reference</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/performance/timeline-reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/performance/timeline-reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/performance/timeline-reference" ><span class="devsite-nav-text" tooltip>Timeline event reference</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/performance/selector-stats" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/performance/selector-stats" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/performance/selector-stats" ><span class="devsite-nav-text" tooltip>Analyze CSS selector performance</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/performance/nodejs" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/performance/nodejs" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/performance/nodejs" ><span class="devsite-nav-text" tooltip>Profile Node.js performance</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/performance/extension" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/performance/extension" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/performance/extension" ><span class="devsite-nav-text" tooltip>Customize your performance data with extensibility API</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/performance-insights" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/performance-insights" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/performance-insights" ><span class="devsite-nav-text" tooltip>Get actionable insights on your website's performance</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Lighthouse</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/lighthouse" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/lighthouse" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/lighthouse" ><span class="devsite-nav-text" tooltip>Optimize web speed</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Memory</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/memory" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/memory" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/memory" ><span class="devsite-nav-text" tooltip>Overview</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/memory-problems/memory-101" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/memory-problems/memory-101" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/memory-problems/memory-101" ><span class="devsite-nav-text" tooltip>Memory terminology</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/memory-problems" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/memory-problems" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/memory-problems" ><span class="devsite-nav-text" tooltip>Fix memory problems</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/memory-problems/heap-snapshots" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/memory-problems/heap-snapshots" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/memory-problems/heap-snapshots" ><span class="devsite-nav-text" tooltip>Record heap snapshots</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/memory-problems/allocation-profiler" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/memory-problems/allocation-profiler" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/memory-problems/allocation-profiler" ><span class="devsite-nav-text" tooltip>Allocation Profiler tool</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Application</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/application" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/application" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/application" ><span class="devsite-nav-text" tooltip>Overview</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/progressive-web-apps" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/progressive-web-apps" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/progressive-web-apps" ><span class="devsite-nav-text" tooltip>Debug Progressive Web Apps</span></a></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>View and edit</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/devtools/storage/localstorage" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/storage/localstorage" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/storage/localstorage" ><span class="devsite-nav-text" tooltip>Local storage</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/storage/sessionstorage" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/storage/sessionstorage" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/storage/sessionstorage" ><span class="devsite-nav-text" tooltip>Session storage</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/storage/indexeddb" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/storage/indexeddb" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/storage/indexeddb" ><span class="devsite-nav-text" tooltip>IndexedDB data</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/storage/websql" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/storage/websql" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/storage/websql" ><span class="devsite-nav-text" tooltip>Web SQL data</span></a></li></ul></div></li> <li class="devsite-nav-item"><a href="/docs/devtools/application/cookies" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/application/cookies" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/application/cookies" ><span class="devsite-nav-text" tooltip>View, add, edit, and delete cookies</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/storage/cache" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/storage/cache" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/storage/cache" ><span class="devsite-nav-text" tooltip>View cache data</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/application/back-forward-cache" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/application/back-forward-cache" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/application/back-forward-cache" ><span class="devsite-nav-text" tooltip>Test back/forward caching</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/application/debugging-speculation-rules" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/application/debugging-speculation-rules" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/application/debugging-speculation-rules" ><span class="devsite-nav-text" tooltip>Debugging speculation rules</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/javascript/background-services" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/javascript/background-services" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/javascript/background-services" ><span class="devsite-nav-text" tooltip>Debug background services</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/application/frames" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/application/frames" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/application/frames" ><span class="devsite-nav-text" tooltip>View frame details</span></a></li> <li class="devsite-nav-item devsite-nav-deprecated"><a href="/docs/devtools/storage/applicationcache" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/storage/applicationcache" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/storage/applicationcache" ><span class="devsite-nav-text" tooltip>View Application Cache data</span><span class="devsite-nav-icon material-icons" data-icon="deprecated" data-title="Deprecated" aria-hidden="true"></span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Recorder</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/recorder/overview" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/recorder/overview" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/recorder/overview" ><span class="devsite-nav-text" tooltip>Overview</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/recorder" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/recorder" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/recorder" ><span class="devsite-nav-text" tooltip>Record, replay, and measure user flows</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/recorder/reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/recorder/reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/recorder/reference" ><span class="devsite-nav-text" tooltip>Features reference</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/recorder/extensions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/recorder/extensions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/recorder/extensions" ><span class="devsite-nav-text" tooltip>Customize the Recorder with extensions</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Rendering</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/rendering" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/rendering" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/rendering" ><span class="devsite-nav-text" tooltip>Overview</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/rendering/performance" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/rendering/performance" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/rendering/performance" ><span class="devsite-nav-text" tooltip>Discover issues with rendering performance</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/rendering/emulate-css" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/rendering/emulate-css" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/rendering/emulate-css" ><span class="devsite-nav-text" tooltip>Emulate CSS media features</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/rendering/apply-effects" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/rendering/apply-effects" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/rendering/apply-effects" ><span class="devsite-nav-text" tooltip>Apply rendering effects</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>More panels</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/autofill" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/autofill" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/autofill" ><span class="devsite-nav-text" tooltip>Inspect and debug saved addresses with the Autofill panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/security" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/security" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/security" ><span class="devsite-nav-text" tooltip>Understand security issues with the Security panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/sensors" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/sensors" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/sensors" ><span class="devsite-nav-text" tooltip>Emulate device sensors with the Sensors panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/webaudio" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/webaudio" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/webaudio" ><span class="devsite-nav-text" tooltip>View WebAudio API metrics with the WebAudio panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/webauthn" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/webauthn" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/webauthn" ><span class="devsite-nav-text" tooltip>Emulate authenticators with the WebAuthn panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/css/animations" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/css/animations" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/css/animations" ><span class="devsite-nav-text" tooltip>Inspect and modify animations with the Animations panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/changes" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/changes" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/changes" ><span class="devsite-nav-text" tooltip>Track changes to HTML, CSS, and JavaScript with the Changes panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/coverage" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/coverage" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/coverage" ><span class="devsite-nav-text" tooltip>Find and analyze unused code with the Coverage panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/developer-resources" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/developer-resources" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/developer-resources" ><span class="devsite-nav-text" tooltip>View and manually load source maps with the Developer Resources panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/css-overview" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/css-overview" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/css-overview" ><span class="devsite-nav-text" tooltip>Identify potential CSS improvements with the CSS Overview panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/issues" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/issues" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/issues" ><span class="devsite-nav-text" tooltip>Find and fix problems with the Issues panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/layers" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/layers" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/layers" ><span class="devsite-nav-text" tooltip>Analyze the layers of your website with the Layers panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/media-panel" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/media-panel" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/media-panel" ><span class="devsite-nav-text" tooltip>Debug media players with the Media panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/memory-inspector" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/memory-inspector" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/memory-inspector" ><span class="devsite-nav-text" tooltip>Inspect ArrayBuffer, TypedArray, DataView or Wasm memory with the Memory inspector panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/device-mode/override-user-agent" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/device-mode/override-user-agent" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/device-mode/override-user-agent" ><span class="devsite-nav-text" tooltip>Override the user agent string with the Network conditions panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/network-request-blocking" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/network-request-blocking" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/network-request-blocking" ><span class="devsite-nav-text" tooltip>Selectively block resources with the Network request blocking panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/performance-monitor" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/performance-monitor" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/performance-monitor" ><span class="devsite-nav-text" tooltip>Analyze runtime performance in real-time with the Performance monitor panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/protocol-monitor" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/protocol-monitor" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/protocol-monitor" ><span class="devsite-nav-text" tooltip>View and send CDP requests with the Protocol monitor panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/quick-source" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/quick-source" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/quick-source" ><span class="devsite-nav-text" tooltip>View source files while having access to other tools with the Quick source panel</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/whats-new" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/whats-new" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/whats-new" ><span class="devsite-nav-text" tooltip>What's new</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Remote debugging</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/remote-debugging" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/remote-debugging" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/remote-debugging" ><span class="devsite-nav-text" tooltip>Remote debug Android devices</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/remote-debugging/local-server" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/remote-debugging/local-server" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/remote-debugging/local-server" ><span class="devsite-nav-text" tooltip>Access local servers and Chrome instances with port forwarding</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/remote-debugging/webviews" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/remote-debugging/webviews" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/remote-debugging/webviews" ><span class="devsite-nav-text" tooltip>Remote debugging WebViews</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Accessibility</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/accessibility/reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/accessibility/reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/accessibility/reference" ><span class="devsite-nav-text" tooltip>Features reference</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/accessibility/contrast" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/accessibility/contrast" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/accessibility/contrast" ><span class="devsite-nav-text" tooltip>Contrast and readability</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/accessibility/focus" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/accessibility/focus" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/accessibility/focus" ><span class="devsite-nav-text" tooltip>Track elements focus</span></a></li> <li class="devsite-nav-item"><a href="/docs/devtools/accessibility/navigation" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/accessibility/navigation" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/accessibility/navigation" ><span class="devsite-nav-text" tooltip>Navigate DevTools with assistive technology</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Settings</span> </div></li> <li class="devsite-nav-item"><a href="/docs/devtools/settings" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/settings" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/settings" ><span class="devsite-nav-text" tooltip>Overview</span></a></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>All settings</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/devtools/settings/preferences" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/settings/preferences" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/settings/preferences" ><span class="devsite-nav-text" tooltip>Preferences</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/settings/workspace" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/settings/workspace" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/settings/workspace" ><span class="devsite-nav-text" tooltip>Workspace</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/settings/ai-innovations" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/settings/ai-innovations" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/settings/ai-innovations" ><span class="devsite-nav-text" tooltip>AI innovations</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/settings/experiments" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/settings/experiments" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/settings/experiments" ><span class="devsite-nav-text" tooltip>Experiments</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/settings/ignore-list" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/settings/ignore-list" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/settings/ignore-list" ><span class="devsite-nav-text" tooltip>Ignore list</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/settings/devices" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/settings/devices" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/settings/devices" ><span class="devsite-nav-text" tooltip>Devices</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/settings/throttling" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/settings/throttling" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/settings/throttling" ><span class="devsite-nav-text" tooltip>Throttling</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/settings/locations" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/settings/locations" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/settings/locations" ><span class="devsite-nav-text" tooltip>Locations</span></a></li><li class="devsite-nav-item"><a href="/docs/devtools/settings/shortcuts" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/devtools/settings/shortcuts" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/devtools/settings/shortcuts" ><span class="devsite-nav-text" tooltip>Shortcuts</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Resources</span> </div></li> <li class="devsite-nav-item"><a href="/discover?category=engineeringblog" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /discover?category=engineeringblog" track-type="bookNav" track-name="click" track-metadata-eventdetail="/discover?category=engineeringblog" ><span class="devsite-nav-text" tooltip>Engineering blog</span></a></li> </ul> <ul class="devsite-nav-list" menu="Docs" aria-label="Side menu" hidden> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Build with Chrome </span> </span> </li> <li class="devsite-nav-item"> <a href="/docs/web-platform" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Web Platform" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Web Platform </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/capabilities" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Capabilities" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Capabilities </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/chromedriver" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: ChromeDriver" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > ChromeDriver </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/extensions" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Extensions" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Extensions </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/webstore" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Chrome Web Store" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Chrome Web Store </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/chromium" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Chromium" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Chromium </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/aurora" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Aurora" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Aurora </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/android" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Web on Android" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Web on Android </span> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/origintrials/" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Origin trials" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Origin trials </span> </a> </li> <li class="devsite-nav-item"> <a href="/release-notes" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Release notes" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Release notes </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Productivity </span> </span> </li> <li class="devsite-nav-item"> <a href="/docs/devtools" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: DevTools" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > DevTools </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/lighthouse" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Lighthouse" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Lighthouse </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/crux" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Chrome UX Report" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Chrome UX Report </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/accessibility" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Accessibility" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Accessibility </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/workbox" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Workbox" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Workbox </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/puppeteer" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Puppeteer" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Puppeteer </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Experience </span> </span> </li> <li class="devsite-nav-item"> <a href="/docs/ai" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: AI" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > AI </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/performance" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Performance" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Performance </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/css-ui" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: CSS and UI" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > CSS and UI </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/identity" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Identity" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Identity </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/payments" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Payments" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Payments </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/privacy-security" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Privacy and security" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Privacy and security </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Resources </span> </span> </li> <li class="devsite-nav-item"> <a href="/docs" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: All documentation" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > All documentation </span> </a> </li> <li class="devsite-nav-item"> <a href="https://web.dev/baseline" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Baseline" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Baseline </span> </a> </li> <li class="devsite-nav-item"> <a href="https://web.dev" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: web.dev" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > web.dev </span> </a> </li> </ul> <ul class="devsite-nav-list" menu="Panels" aria-label="Side menu" hidden> <li class="devsite-nav-item"> <a href="/docs/devtools/elements" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Elements" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Elements </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/devtools/ai-assistance" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: AI assistance" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > AI assistance </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/devtools/console" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Console" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Console </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/devtools/sources" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Sources" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Sources </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/devtools/network/overview" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Network" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Network </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/devtools/performance/overview" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Performance" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Performance </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/devtools/memory" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Memory" track-type="navMenu" track-metadata-eventDetail="globalMenu" 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0-10.359-2.786l-1.135-.063h-.063l-.458-.026c-.583-.036-1.172-.068-1.755-.094l.036.078c.234.615.396 1.255.479 1.906.042.453-.036 1.078-.224 1.88l-.203.828a24.99 24.99 0 0 1-.385 1.333l-.026.068v.036c-.068.203-.266.297-.438.229a.42.42 0 0 1-.203-.51v-.026l.042-.078.078-.292c.182-.589.344-1.177.479-1.776.161-.708.229-1.281.203-1.599-.016-.12-.031-.24-.052-.359a7.996 7.996 0 0 0-.521-1.708l-.052-.12-.031-.068-.026-.063c-.12-.271.057-.578.323-.563h.188l.531.042 2.12.104 1.135.083a28.14 28.14 0 0 1 10.573 2.823l.891.401c.172.078.266.307.188.505z"/> </svg></a> </div> </div> </div> <div class="dcc-author"> <img class="devsite-landing-row-item-icon" alt="Dale St. Marthe" src="https://web.dev/images/authors/dalestmarthe.jpg" decoding="async" height="64" loading="lazy" width="64"> <div> <span> Dale St. Marthe </span> <div class="dcc-author__links"> <a href="https://www.linkedin.com/in/dale-st-marthe" aria-label="Dale St. Marthe on LinkedIn" rel="me"> <svg xmlns="http://www.w3.org/2000/svg" width="22" height="22" viewBox="0 0 200 200"> <title>LinkedIn</title> <path d="M185.2 0H14.8C6.6 0 0 6.4 0 14.3v171.3c0 7.9 6.6 14.3 14.8 14.3h170.4c8.1 0 14.8-6.4 14.8-14.3V14.3C199.9 6.4 193.3 0 185.2 0zM60.6 167.3H30.4V77.1h30.2v90.2zM45.5 64.8h-.2c-10.1 0-16.7-6.9-16.7-15.6 0-8.8 6.7-15.6 17.1-15.6 10.3 0 16.7 6.7 16.9 15.6 0 8.6-6.5 15.6-17.1 15.6zm124 102.5h-30.2V119c0-12.1-4.4-20.4-15.3-20.4-8.4 0-13.3 5.6-15.5 11-.8 1.9-1 4.6-1 7.3v50.4H77.3s.4-81.8 0-90.3h30.2v12.8c4-6.1 11.2-14.9 27.2-14.9 19.9 0 34.8 12.9 34.8 40.6v51.8zm-62.2-77.1c0-.1.1-.2.2-.3v.3h-.2z" fill="currentColor" /> </svg></a> </div> </div> </div> </div></p> <h2 id="overview" data-text="Overview" tabindex="-1">Overview</h2> <p>Use the Network conditions panel to override the <a href="https://developer.mozilla.org/docs/Glossary/User_agent">user agent</a> string and emulate different network speeds.</p> <p>Overriding the user agent string changes how the browser identifies itself to web servers. This means the browser can simulate earlier versions or different browsers entirely, which is useful for testing responsive design, compatibility, and feature detection.</p> <p>Note that overriding the user agent string does not change how Chrome browser functions internally, it changes content that Chrome is served.</p> <h2 id="open_the_network_conditions_panel" data-text="Open the Network conditions panel" tabindex="-1">Open the Network conditions panel</h2> <p>Open <strong>Network conditions</strong> panel from the <strong>Network</strong> panel, or manually through DevTools.</p> <p>To use the <strong>Network</strong> panel to open the <strong>Network conditions</strong> panel, follow these steps:</p> <ol> <li><a href="/docs/devtools/open">Open DevTools</a>.</li> <li>Go to the <strong>Network</strong> panel.</li> <li>Click the <span class="material-symbols-outlined" aria-hidden="true">network_manage</span> <strong>More network conditions</strong> button to open the Network conditions panel.</li> </ol> <figure> <img src="/static/docs/devtools/device-mode/override-user-agent/image/network-to-conditions.png" alt="The 'More network conditions' button highlighted and the Network conditions panel is open." width="700" srcset="https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-to-conditions_36.png 36w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-to-conditions_48.png 48w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-to-conditions_72.png 72w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-to-conditions_96.png 96w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-to-conditions_480.png 480w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-to-conditions_720.png 720w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-to-conditions_856.png 856w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-to-conditions_960.png 960w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-to-conditions_1440.png 1440w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-to-conditions_1920.png 1920w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-to-conditions_2880.png 2880w" sizes="(max-width: 840px) 100vw, 856px"> <figcaption><strong>Figure 1</strong>. The <strong>Network</strong> panel and the <strong>Network conditions</strong> panel</figcaption> </figure> <p>To open <strong>Network conditions</strong> panel manually:</p> <ol> <li><a href="/docs/devtools/open">Open DevTools</a>.</li> <li><p>Open the <strong>Command menu</strong> by pressing:</p> <ul> <li>macOS: <kbd>Command</kbd>+<kbd>Shift</kbd>+<kbd>P</kbd></li> <li>Windows, Linux, ChromeOS: <kbd>Control</kbd>+<kbd>Shift</kbd>+<kbd>P</kbd> <figure> <img src="/static/docs/devtools/device-mode/override-user-agent/image/command-menu-net-conditions.png" alt="Command Menu with 'Network conditions' entered." width="700" srcset="https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/command-menu-net-conditions_36.png 36w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/command-menu-net-conditions_48.png 48w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/command-menu-net-conditions_72.png 72w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/command-menu-net-conditions_96.png 96w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/command-menu-net-conditions_480.png 480w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/command-menu-net-conditions_720.png 720w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/command-menu-net-conditions_856.png 856w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/command-menu-net-conditions_960.png 960w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/command-menu-net-conditions_1440.png 1440w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/command-menu-net-conditions_1920.png 1920w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/command-menu-net-conditions_2880.png 2880w" sizes="(max-width: 840px) 100vw, 856px"> <figcaption><strong>Figure 2</strong>. The Command Menu</figcaption> </figure></li> </ul></li> <li><p>Start typing <code translate="no" dir="ltr">Network conditions</code>, select <strong>Show Network conditions</strong>, and press <kbd>Enter</kbd>. DevTools displays the <strong>Network conditions</strong> panel at the bottom of your DevTools window.</p></li> </ol> <p>Alternatively, in the top right corner, select <span class="material-symbols-outlined" aria-hidden="true">more_vert</span> <strong>More options</strong> > <strong>More tools</strong> > <strong>Network conditions</strong>.</p> <h2 id="override_the_user_agent_string" data-text="Override the user agent string" tabindex="-1">Override the user agent string</h2> <p>To override the user agent string from the <strong>Network conditions</strong> panel, follow these steps:</p> <ol> <li>Open the <strong>Network conditions</strong> panel.</li> <li><p>In the <strong>User agent</strong> section disable the <strong>Use browser default</strong> checkbox.</p> <figure> <img src="/static/docs/devtools/device-mode/override-user-agent/image/network-disable-default.png" alt="Disabling 'Use browser default.'" width="700" srcset="https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-disable-default_36.png 36w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-disable-default_48.png 48w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-disable-default_72.png 72w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-disable-default_96.png 96w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-disable-default_480.png 480w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-disable-default_720.png 720w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-disable-default_856.png 856w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-disable-default_960.png 960w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-disable-default_1440.png 1440w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-disable-default_1920.png 1920w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-disable-default_2880.png 2880w" sizes="(max-width: 840px) 100vw, 856px"> <figcaption><strong>Figure 3</strong>. Disabling <strong>Use browser default</strong></figcaption> </figure></li> <li><p>Select a user agent string from the list, or enter your own custom string.</p></li> <li><p>Refresh the page to view results.</p></li> </ol> <h2 id="edit_user-agent_client_hints" data-text="Edit user-agent client hints" tabindex="-1">Edit user-agent client hints</h2> <p>The Network conditions panel lets you customize the <a href="/docs/privacy-security/user-agent-client-hints?utm_source=devtools#introducing_the_new_user-agent_client_hints">User-Agent Client Hints</a> of a selected user agent string.</p> <p>To use this feature, follow these steps:</p> <ol> <li>Select a user agent string from the list, or enter your own custom string.</li> <li><p>Click the <span class="material-symbols-outlined" aria-hidden="true">arrow_drop_down</span><strong>User agent client hints</strong> drop-down. A form will appear with the relevant values autofilled.</p> <figure> <img src="/static/docs/devtools/device-mode/override-user-agent/image/user-agent-client-hints-form.png" alt="The User-Agent Client Hints form." width="700" srcset="https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/user-agent-client-hints-form_36.png 36w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/user-agent-client-hints-form_48.png 48w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/user-agent-client-hints-form_72.png 72w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/user-agent-client-hints-form_96.png 96w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/user-agent-client-hints-form_480.png 480w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/user-agent-client-hints-form_720.png 720w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/user-agent-client-hints-form_856.png 856w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/user-agent-client-hints-form_960.png 960w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/user-agent-client-hints-form_1440.png 1440w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/user-agent-client-hints-form_1920.png 1920w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/user-agent-client-hints-form_2880.png 2880w" sizes="(max-width: 840px) 100vw, 856px"> <figcaption><strong>Figure 4</strong>. The User Agent Client Hints form</figcaption> </figure></li> <li><p>Edit the form by clicking <span class="material-symbols-outlined" aria-hidden="true">delete</span><strong>delete</strong> to delete items, and <strong>Add brand</strong> to add to the <strong>User agent</strong> and <strong>Full version</strong> lists.</p></li> <li><p>When done, click the <strong>Update</strong> button at the bottom of the form.</p></li> <li><p>Refresh the page to view results.</p></li> </ol> <h2 id="throttle_the_network_speed" data-text="Throttle the network speed" tabindex="-1">Throttle the network speed</h2> <p>To throttle the network speed from the <strong>Network conditions</strong> panel click the <strong>Network throttling</strong> list, then select either <strong>Fast 3G</strong>, <strong>Slow 3G</strong> or <strong>offline</strong>.</p> <figure> <img src="/static/docs/devtools/device-mode/override-user-agent/image/network-presets.png" alt="Network throttling dropdown in the Network conditions panel." width="700" srcset="https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets_36.png 36w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets_48.png 48w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets_72.png 72w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets_96.png 96w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets_480.png 480w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets_720.png 720w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets_856.png 856w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets_960.png 960w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets_1440.png 1440w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets_1920.png 1920w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets_2880.png 2880w" sizes="(max-width: 840px) 100vw, 856px"> <figcaption><strong>Figure 5</strong>. Network throttling list in the Network conditions panel</figcaption> </figure> <p>Additionally, the <strong>Network</strong> panel lets you throttle network speed in a similar way, just open the <strong>Network</strong> panel and select the speed you want from the <strong>Throttle list</strong> in the action bar.</p> <figure> <img src="/static/docs/devtools/device-mode/override-user-agent/image/network-presets-2.png" alt="Network throttling dropdown in the Network panel." width="700" srcset="https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-2_36.png 36w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-2_48.png 48w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-2_72.png 72w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-2_96.png 96w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-2_480.png 480w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-2_720.png 720w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-2_856.png 856w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-2_960.png 960w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-2_1440.png 1440w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-2_1920.png 1920w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-2_2880.png 2880w" sizes="(max-width: 840px) 100vw, 856px"> <figcaption><strong>Figure 6</strong>. Network throttling list in the Network panel</figcaption> </figure> <p>You can also use the <strong>Performance</strong> panel to throttle network speed. Open the Performance panel, click <span class="material-symbols-outlined" aria-hidden="true">settings</span><strong>Settings</strong> and then select <strong>Fast 3G</strong> or <strong>Slow 3G</strong> from the <strong>Network</strong> list.</p> <figure> <img src="/static/docs/devtools/device-mode/override-user-agent/image/network-presets-3.png" alt="Network throttling dropdown in the Performance panel." width="700" srcset="https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-3_36.png 36w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-3_48.png 48w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-3_72.png 72w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-3_96.png 96w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-3_480.png 480w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-3_720.png 720w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-3_856.png 856w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-3_960.png 960w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-3_1440.png 1440w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-3_1920.png 1920w,https://developer.chrome.com/static/docs/devtools/device-mode/override-user-agent/image/network-presets-3_2880.png 2880w" sizes="(max-width: 840px) 100vw, 856px"> <figcaption><strong>Figure 7</strong>. Network throttling list in the Performance panel</figcaption> </figure> <p>Set your own custom network throttling parameters by creating a <strong>Network Throttling Profile</strong>. To learn how, see <a href="/docs/devtools/settings/throttling">Throttling</a>.</p> </div> <devsite-thumb-rating position="footer"> </devsite-thumb-rating> <div class="devsite-floating-action-buttons"> </div> </article> <devsite-content-footer class="nocontent"> <p>Except as otherwise noted, the content of this page is licensed under the <a href="https://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 License</a>, and code samples are licensed under the <a href="https://www.apache.org/licenses/LICENSE-2.0">Apache 2.0 License</a>. For details, see the <a href="https://developers.google.com/site-policies">Google Developers Site Policies</a>. 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