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About Google Tag Manager | Google for Developers
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rel="stylesheet" href="/extras.css"></head> <body class="" template="page" theme="google-blue" type="article" layout="docs" concierge='closed' display-toc pending> <devsite-progress type="indeterminate" id="app-progress"></devsite-progress> <section class="devsite-wrapper"> <devsite-cookie-notification-bar></devsite-cookie-notification-bar><devsite-header role="banner"> <div class="devsite-header--inner nocontent"> <div class="devsite-top-logo-row-wrapper-wrapper"> <div class="devsite-top-logo-row-wrapper"> <div class="devsite-top-logo-row"> <button type="button" id="devsite-hamburger-menu" class="devsite-header-icon-button button-flat material-icons gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Navigation menu button" visually-hidden aria-label="Open menu"> </button> <div class="devsite-product-name-wrapper"> <span class="devsite-product-name"> <ul class="devsite-breadcrumb-list" > <li class="devsite-breadcrumb-item "> <a href="https://developers.google.com/tag-platform" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Upper Header" data-value="1" track-type="globalNav" track-name="breadcrumb" track-metadata-position="1" track-metadata-eventdetail="Tags" > Tags </a> </li> </ul> </span> </div> <div class="devsite-top-logo-row-middle"> <div class="devsite-header-upper-tabs"> <devsite-tabs class="upper-tabs"> <nav class="devsite-tabs-wrapper" aria-label="Upper tabs"> <tab > <a href="https://developers.google.com/tag-platform/devguides" track-metadata-eventdetail="https://developers.google.com/tag-platform/devguides" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - the google tag" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: The Google tag" track-name="the google tag" > The Google tag </a> </tab> <tab > <a 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url-scoped="https://developers.google.com/s/results/tag-platform/tag-manager" > <form class="devsite-search-form" action="https://developers.google.com/s/results" method="GET"> <div class="devsite-search-container"> <button type="button" search-open class="devsite-search-button devsite-header-icon-button button-flat material-icons" aria-label="Open search"></button> <div class="devsite-searchbox"> <input aria-activedescendant="" aria-autocomplete="list" aria-label="Search" aria-expanded="false" aria-haspopup="listbox" autocomplete="off" class="devsite-search-field devsite-search-query" name="q" placeholder="Search" role="combobox" type="text" value="" > <div class="devsite-search-image material-icons" aria-hidden="true"> </div> <div class="devsite-search-shortcut-icon-container" aria-hidden="true"> <kbd class="devsite-search-shortcut-icon">/</kbd> </div> </div> </div> </form> <button type="button" search-close class="devsite-search-button devsite-header-icon-button button-flat material-icons" aria-label="Close search"></button> </devsite-search> </div> <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" >Español</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="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 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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://developers.google.com/tag-platform/tag-manager" 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="Tag Manager" > Tag Manager </a> </li> </ul> </div> <div class="devsite-product-button-row"> <a href="https://tagmanager.google.com/" class="button " >Open Google Tag Manager</a> </div> </div> <div class="devsite-doc-set-nav-row"> <devsite-tabs class="lower-tabs"> <nav class="devsite-tabs-wrapper" aria-label="Lower tabs"> <tab class="devsite-active"> <a href="https://developers.google.com/tag-platform/tag-manager" 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track-metadata-position="nav - mobile" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Mobile" track-name="mobile" > Mobile </a> </tab> <tab > <a href="https://developers.google.com/tag-platform/tag-manager/server-side" track-metadata-eventdetail="https://developers.google.com/tag-platform/tag-manager/server-side" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - server" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Server" track-name="server" > Server </a> </tab> <tab > <a href="https://developers.google.com/tag-platform/tag-manager/templates" track-metadata-eventdetail="https://developers.google.com/tag-platform/tag-manager/templates" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - templates" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Templates" track-name="templates" > Templates </a> </tab> <tab > <a href="https://developers.google.com/tag-platform/tag-manager/api/v2" track-metadata-eventdetail="https://developers.google.com/tag-platform/tag-manager/api/v2" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - rest api" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: REST API" track-name="rest api" > REST API </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"> <span class="devsite-product-name"> <ul class="devsite-breadcrumb-list" > <li class="devsite-breadcrumb-item "> <a href="https://developers.google.com/tag-platform" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Upper Header" data-value="1" track-type="globalNav" track-name="breadcrumb" track-metadata-position="1" track-metadata-eventdetail="Tags" > Tags </a> </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="/tag-platform/devguides" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: The Google tag" track-name="the google tag" data-category="Site-Wide Custom Events" data-label="Responsive Tab: The Google tag" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > The Google tag </span> </a> </li> <li class="devsite-nav-item"> <a href="/tag-platform/gtagjs" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: gtag.js" track-name="gtag.js" data-category="Site-Wide Custom Events" data-label="Responsive Tab: gtag.js" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > gtag.js </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> <li class="devsite-nav-item"> <a href="/tag-platform/tag-manager" class="devsite-nav-title gc-analytics-event devsite-nav-active" data-category="Site-Wide Custom Events" data-label="Tab: Tag Manager" track-name="tag manager" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Tag Manager" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Tag Manager </span> </a> <ul class="devsite-nav-responsive-tabs"> <li class="devsite-nav-item"> <a href="/tag-platform/tag-manager" class="devsite-nav-title gc-analytics-event devsite-nav-has-children devsite-nav-active" data-category="Site-Wide Custom Events" data-label="Tab: About" track-name="about" data-category="Site-Wide Custom Events" data-label="Responsive Tab: About" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip menu="_book"> About </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="_book"> </span> </a> </li> <li class="devsite-nav-item"> <a href="https://support.google.com/tagmanager/answer/14842164" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: Web" track-name="web" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Web" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Web </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> <li class="devsite-nav-item"> <a href="/tag-platform/tag-manager/mobile" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: Mobile" track-name="mobile" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Mobile" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Mobile </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> <li class="devsite-nav-item"> <a href="/tag-platform/tag-manager/server-side" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: Server" track-name="server" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Server" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Server </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> <li class="devsite-nav-item"> <a href="/tag-platform/tag-manager/templates" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: Templates" track-name="templates" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Templates" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Templates </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> <li class="devsite-nav-item"> <a href="/tag-platform/tag-manager/api/v2" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: REST API" track-name="rest api" data-category="Site-Wide Custom Events" data-label="Responsive Tab: REST API" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > REST API </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/tag-platform/security" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Security & Privacy" track-name="security & privacy" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Security & Privacy" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Security & Privacy </span> </a> </li> <li class="devsite-nav-item"> <a href="/tag-platform/learn" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Learn" track-name="learn" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Learn" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Learn </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>Concepts and components</span> </div></li> <li class="devsite-nav-item"><a href="/tag-platform/tag-manager" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /tag-platform/tag-manager" track-type="bookNav" track-name="click" track-metadata-eventdetail="/tag-platform/tag-manager" ><span class="devsite-nav-text" tooltip>About Tag Manager</span></a></li> <li class="devsite-nav-item"><a href="/tag-platform/tag-manager/datalayer" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /tag-platform/tag-manager/datalayer" track-type="bookNav" track-name="click" track-metadata-eventdetail="/tag-platform/tag-manager/datalayer" ><span class="devsite-nav-text" tooltip>The data layer</span></a></li> </ul> </div> </div> </nav> </devsite-book-nav> <section id="gc-wrapper"> <main role="main" class="devsite-main-content" has-book-nav > <devsite-content> <article class="devsite-article"> <div 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<a href="https://developers.google.com/tag-platform" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="3" track-type="globalNav" track-name="breadcrumb" track-metadata-position="3" track-metadata-eventdetail="Tags" > Tags </a> </li> <li class="devsite-breadcrumb-item "> <div class="devsite-breadcrumb-guillemet material-icons" aria-hidden="true"></div> <a href="https://developers.google.com/tag-platform/tag-manager" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="4" track-type="globalNav" track-name="breadcrumb" track-metadata-position="4" track-metadata-eventdetail="Tag Manager" > Tag Manager </a> </li> </ul> <devsite-thumb-rating position="header"> </devsite-thumb-rating> </div> <devsite-feedback position="header" project-name="Tag Manager" product-id="102259" bucket="tag-platform" context="" 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You can use Tag Manager to optimize your tag deployment, troubleshoot configuration errors, and modify tags that are already deployed.</p> <p>Here are some reasons to use Tag Manager:</p> <ul> <li>Support for tag organization.</li> <li>Version control.</li> <li>Support for multiple tag types, including the Google tag.</li> <li>Community-developed tag templates.</li> <li>Enterprise collaboration.</li> <li>Security features.</li> </ul> <div class="devsite-landing-row-item-buttons"> <a class="button button-white" href="https://tagmanager.google.com/" target="_blank">Launch Tag Manager</a> </div> <h2 id="deploy_for_web_pages" data-text="Deploy for web pages" tabindex="-1">Deploy for web pages</h2> <p>Use Tag Manager to manage tags (such as measurement and marketing optimization JavaScript tags) on your site. Without editing your site code, use Tag Manager to add and update Google Ads, Google Analytics, Floodlight, and third-party tags.</p> <div class="devsite-landing-row-item-buttons"> <a class="button button-white" href="/tag-platform/tag-manager/web">Get started for web sites</a> </div> <h2 id="deploy_for_mobile_apps" data-text="Deploy for mobile apps" tabindex="-1">Deploy for mobile apps</h2> <p>Use Google Tag Manager to manage analytics and advertising tools in your apps without having to rebuild and resubmit the applications' binaries to app marketplaces.</p> <div class="devsite-landing-row-item-buttons"> <a class="button button-white" href="/tag-platform/tag-manager/android/v5">Get started for Android</a> <a class="button button-white" href="/tag-platform/tag-manager/ios/v5">Get started for <span class="preserve-case">iOS</span></a> </div> <h2 id="server-side_tagging" data-text="Server-Side Tagging" tabindex="-1">Server-Side Tagging</h2> <p>Server-Side Tagging allows you to move tag code off of your website or app and into the Cloud. Server-Side Tagging can help you improve the performance and security of your website or mobile app while serving all dependent assets from your own domain.</p> <div class="devsite-landing-row-item-buttons"> <a class="button button-white" href="/tag-platform/tag-manager/server-side">Get started with Server-Side Tagging</a> </div> <h2 id="create_custom_templates" data-text="Create custom templates" tabindex="-1">Create custom templates</h2> <p>Build your own tag and variable templates in Tag Manager. Submit templates to the Community Template Gallery and make them available worldwide.</p> <div class="devsite-landing-row-item-buttons"> <a class="button button-white" href="/tag-platform/tag-manager/templates">Quick start guide</a> <a class="button button-white" href="/tag-platform/tag-manager/templates/gallery">Submit templates to the Community Template Gallery</a> </div> <h2 id="automate_configuration_with_the_rest_api" data-text="Automate configuration with the REST API" tabindex="-1">Automate configuration with the REST API</h2> <p>The Google Tag Manager API provides access to Tag Manager configuration data for an authorized user. 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