Documentation | Firebase

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data-category="Site-Wide Custom Events" data-label="Tab: Build"> Build </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Build" track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="build" data-category="Site-Wide Custom Events" data-label="Tab: Build" 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://web.archive.org/web/20210420043100/https://firebase.google.com/docs/emulator-suite" track-type="navMenu" track-name="Emulator Suite" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/emulator-suite" tooltip> <div class="devsite-nav-item-title"> Emulator Suite </div> </a> </li> <li 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Firestore </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/storage" track-type="navMenu" track-name="Storage" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/storage" tooltip> <div class="devsite-nav-item-title"> Storage </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/ml" track-type="navMenu" track-name="ML" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/ml" tooltip> <div class="devsite-nav-item-title"> ML </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/hosting" track-type="navMenu" track-name="Hosting" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/hosting" tooltip> <div class="devsite-nav-item-title"> Hosting </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/functions" track-type="navMenu" track-name="Cloud Functions" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/functions" tooltip> <div class="devsite-nav-item-title"> Cloud Functions </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/rules" track-type="navMenu" track-name="Security Rules" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/rules" tooltip> <div class="devsite-nav-item-title"> Security Rules </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/extensions" track-type="navMenu" track-name="Extensions" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/extensions" tooltip> <div class="devsite-nav-item-title"> Extensions </div> </a> </li> </ul> </div> </div> </div> </tab> <tab dropdown> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/release" class="gc-analytics-event " track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="release&Monitor" data-category="Site-Wide Custom Events" data-label="Tab: Release & Monitor"> Release & Monitor </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Release & Monitor" track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="release&Monitor" data-category="Site-Wide Custom Events" data-label="Tab: Release & Monitor" 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://web.archive.org/web/20210420043100/https://firebase.google.com/docs/crashlytics" track-type="navMenu" track-name="Crashlytics" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/crashlytics" tooltip> <div class="devsite-nav-item-title"> Crashlytics </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/test-lab" track-type="navMenu" track-name="Test Lab" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/test-lab" tooltip> <div class="devsite-nav-item-title"> Test Lab </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/app-distribution" track-type="navMenu" track-name="App Distribution" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/app-distribution" tooltip> <div class="devsite-nav-item-title"> App Distribution </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/perf-mon" track-type="navMenu" track-name="Performance Monitoring" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/perf-mon" tooltip> <div class="devsite-nav-item-title"> Performance Monitoring </div> </a> </li> </ul> </div> </div> </div> </tab> <tab dropdown> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/engage" class="gc-analytics-event " track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="engage" data-category="Site-Wide Custom Events" data-label="Tab: Engage"> Engage </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Engage" track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="engage" data-category="Site-Wide Custom Events" data-label="Tab: Engage" 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://web.archive.org/web/20210420043100/https://firebase.google.com/docs/analytics" track-type="navMenu" track-name="Analytics" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/analytics" tooltip> <div class="devsite-nav-item-title"> Analytics </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/remote-config" track-type="navMenu" track-name="Remote Config" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/remote-config" tooltip> <div class="devsite-nav-item-title"> Remote Config </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/predictions" track-type="navMenu" track-name="Predictions" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/predictions" tooltip> <div class="devsite-nav-item-title"> Predictions </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/ab-testing" track-type="navMenu" track-name="A/B Testing" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/ab-testing" tooltip> <div class="devsite-nav-item-title"> A/B Testing </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/cloud-messaging" track-type="navMenu" track-name="Cloud Messaging" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/cloud-messaging" tooltip> <div class="devsite-nav-item-title"> Cloud Messaging </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/in-app-messaging" track-type="navMenu" track-name="In-App Messaging" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/in-app-messaging" tooltip> <div class="devsite-nav-item-title"> In-App Messaging </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/dynamic-links" track-type="navMenu" track-name="Dynamic Links" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/dynamic-links" tooltip> <div class="devsite-nav-item-title"> Dynamic Links </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/admob" track-type="navMenu" track-name="Google AdMob" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/admob" tooltip> <div class="devsite-nav-item-title"> Google AdMob </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/ads" track-type="navMenu" track-name="Google Ads" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/ads" tooltip> <div class="devsite-nav-item-title"> Google Ads </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/app-indexing" track-type="navMenu" track-name="App Indexing" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/app-indexing" tooltip> <div class="devsite-nav-item-title"> App Indexing </div> </a> </li> </ul> </div> </div> </div> </tab> <tab> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/reference" class="gc-analytics-event " track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="reference" data-category="Site-Wide Custom Events" data-label="Tab: Reference"> Reference </a> </tab> <tab> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/samples" class="gc-analytics-event " track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="samples" data-category="Site-Wide Custom Events" data-label="Tab: Samples"> Samples </a> </tab> <tab> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/libraries" class="gc-analytics-event " track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="libraries" data-category="Site-Wide Custom Events" data-label="Tab: Libraries"> Libraries </a> </tab> </nav> </devsite-tabs> </div> </div> </div> </div> </devsite-header> <devsite-book-nav scrollbars hidden> <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="/web/20210420043100/https://firebase.google.com/" class="devsite-site-logo-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Site logo" track-type="globalNav" track-name="firebase" track-metadata-position="nav" track-metadata-eventdetail="nav"> <img src="https://web.archive.org/web/20210420043100im_/https://www.gstatic.com/devrel-devsite/prod/v361636fe9adc09a35d4071cab3bc6a613653d01c6fde907d9b5c606946d81263/firebase/images/lockup.png" class="devsite-site-logo" alt="Firebase"> </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="/web/20210420043100/https://firebase.google.com/products-build" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Products" track-type="globalNav" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="products"> <span class="devsite-nav-text" tooltip> Products </span> <span class="devsite-nav-icon material-icons" data-icon="forward"> </span> </a> <ul class="devsite-nav-responsive-tabs devsite-nav-has-menu "> <li class="devsite-nav-item"> <span class="devsite-nav-title" tooltip> <span class="devsite-nav-text" tooltip menu="Products"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Products"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/web/20210420043100/https://firebase.google.com/use-cases" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Use Cases" track-type="globalNav" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="useCases"> <span class="devsite-nav-text" tooltip> Use Cases </span> <span class="devsite-nav-icon material-icons" data-icon="forward"> </span> </a> </li> <li class="devsite-nav-item"> <a href="/web/20210420043100/https://firebase.google.com/pricing" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Pricing" track-type="globalNav" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="pricing"> <span class="devsite-nav-text" tooltip> Pricing </span> </a> </li> <li class="devsite-nav-item"> <a href="/web/20210420043100/https://firebase.google.com/docs" class="devsite-nav-title gc-analytics-event devsite-nav-active" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Docs" track-type="globalNav" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="docs"> <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> <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="/web/20210420043100/https://firebase.google.com/docs" class="devsite-nav-title gc-analytics-event devsite-nav-active" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Overview" track-type="globalNav" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="overview"> <span class="devsite-nav-text" tooltip> Overview </span> </a> </li> <li class="devsite-nav-item"> <a href="/web/20210420043100/https://firebase.google.com/docs/guides" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Fundamentals" track-type="globalNav" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="fundamentals"> <span class="devsite-nav-text" tooltip> Fundamentals </span> <span class="devsite-nav-icon material-icons" data-icon="forward"> </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> <span class="devsite-nav-text" tooltip menu="Fundamentals"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Fundamentals"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/web/20210420043100/https://firebase.google.com/docs/build" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Build" track-type="globalNav" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="build"> <span class="devsite-nav-text" tooltip> Build </span> <span class="devsite-nav-icon material-icons" data-icon="forward"> </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> <span class="devsite-nav-text" tooltip menu="Build"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Build"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/web/20210420043100/https://firebase.google.com/docs/release" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Release & Monitor" track-type="globalNav" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="release&Monitor"> <span class="devsite-nav-text" tooltip> Release & Monitor </span> <span class="devsite-nav-icon material-icons" data-icon="forward"> </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> <span class="devsite-nav-text" tooltip menu="Release & Monitor"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Release & Monitor"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/web/20210420043100/https://firebase.google.com/docs/engage" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Engage" track-type="globalNav" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="engage"> <span class="devsite-nav-text" tooltip> Engage </span> <span class="devsite-nav-icon material-icons" data-icon="forward"> </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> <span class="devsite-nav-text" tooltip menu="Engage"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Engage"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/web/20210420043100/https://firebase.google.com/docs/reference" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Reference" track-type="globalNav" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="reference"> <span class="devsite-nav-text" tooltip> Reference </span> </a> </li> <li class="devsite-nav-item"> <a href="/web/20210420043100/https://firebase.google.com/docs/samples" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Samples" track-type="globalNav" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="samples"> <span class="devsite-nav-text" tooltip> Samples </span> </a> </li> <li class="devsite-nav-item"> <a href="/web/20210420043100/https://firebase.google.com/docs/libraries" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Libraries" track-type="globalNav" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="libraries"> <span class="devsite-nav-text" tooltip> Libraries </span> </a> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/web/20210420043100/https://firebase.google.com/community" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Community" track-type="globalNav" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="community"> <span class="devsite-nav-text" tooltip> Community </span> </a> </li> <li class="devsite-nav-item"> <a href="/web/20210420043100/https://firebase.google.com/support" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Support" track-type="globalNav" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="support"> <span class="devsite-nav-text" tooltip> Support </span> </a> </li> <li class="devsite-nav-item"> <a href="//web.archive.org/web/20210420043100/https://console.firebase.google.com/" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Go to console" track-type="navMenu" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="goToConsole"> <span class="devsite-nav-text" tooltip> Go to console </span> </a> </li> </ul> </div> <div class="devsite-mobile-nav-bottom" role="navigation"> <ul class="devsite-nav-list" menu="Products" aria-label="Side menu" hidden> <li class="devsite-nav-item"> <a href="/web/20210420043100/https://firebase.google.com/products-build" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Build" track-type="navMenu" track-metadata-eventdetail="globalMenu" track-metadata-position="nav" track-name="build"> <span class="devsite-nav-text" tooltip> Build </span> </a> </li> <li class="devsite-nav-item"> <a href="/web/20210420043100/https://firebase.google.com/products-release" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Release & Monitor" 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</devsite-toc> <div class="devsite-article-body clearfix "> <section class="devsite-landing-row devsite-landing-row-1-up devsite-landing-row-cta" header-position="top"> <div class="devsite-landing-row-inner"> <div class="devsite-landing-row-group"> <div class="devsite-landing-row-item devsite-landing-row-item-no-media" description-position="bottom"> <div class="devsite-landing-row-item-description"> <div class="devsite-landing-row-item-body"> <h3 id="learn-the-fundamentals" data-text="Learn the fundamentals" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/guides"> Learn the fundamentals </a> </h3> <div class="devsite-landing-row-item-description-content"> If you’re already familiar with what Firebase products offer, let’s learn the basics, starting with creating and managing a Firebase project! </div> <div class="devsite-landing-row-item-buttons"> <a 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https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Build_48.png 48w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Build_72.png 72w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Build_96.png 96w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Build_480.png 480w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Build_720.png 720w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Build_856.png 856w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Build_960.png 960w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Build_1440.png 1440w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Build_1920.png 1920w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Build_2880.png 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy"> </a> </figure> </div> <div class="devsite-landing-row-item-description"> <div class="devsite-landing-row-item-body"> <h3 id="build" data-text="Build" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/build"> Build </a> </h3> <div class="devsite-landing-row-item-description-content"> Build powerful apps. <strong style="color: #f57d01;">Spin up your backend</strong> without managing servers. <strong style="color: #f57d01;">Effortlessly scale</strong> to support millions of users with Firebase databases, machine learning infrastructure, hosting and storage solutions, and Cloud Functions. </div> <div class="devsite-landing-row-item-buttons"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/build" class="button ">View documentation</a> </div> </div> </div> </div> <div class="devsite-landing-row-item" description-position="bottom"> <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-image"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/release"> <img alt="" src="https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Release_Monitor.png" srcset="https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Release_Monitor_36.png 36w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Release_Monitor_48.png 48w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Release_Monitor_72.png 72w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Release_Monitor_96.png 96w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Release_Monitor_480.png 480w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Release_Monitor_720.png 720w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Release_Monitor_856.png 856w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Release_Monitor_960.png 960w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Release_Monitor_1440.png 1440w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Release_Monitor_1920.png 1920w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Release_Monitor_2880.png 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy"> </a> </figure> </div> <div class="devsite-landing-row-item-description"> <div class="devsite-landing-row-item-body"> <h3 id="release-monitor" data-text="Release & Monitor" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/release"> Release & Monitor </a> </h3> <div class="devsite-landing-row-item-description-content"> Improve app quality in less time with less effort. <strong style="color: #f57d01;">Simplify testing</strong>, triaging, and troubleshooting. <strong style="color: #f57d01;">Carefully roll out</strong> features and monitor adoption. Pinpoint, prioritize, and <strong style="color: #f57d01;">fix stability and performance</strong> issues early. </div> <div class="devsite-landing-row-item-buttons"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/release" class="button ">View documentation</a> </div> </div> </div> </div> <div class="devsite-landing-row-item" description-position="bottom"> <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-image"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/engage"> <img alt="" src="https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Engage.png" srcset="https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Engage_36.png 36w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Engage_48.png 48w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Engage_72.png 72w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Engage_96.png 96w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Engage_480.png 480w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Engage_720.png 720w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Engage_856.png 856w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Engage_960.png 960w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Engage_1440.png 1440w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Engage_1920.png 1920w, https://web.archive.org/web/20210420043100im_/https://firebase.google.com/docs/images/Engage_2880.png 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy"> </a> </figure> </div> <div class="devsite-landing-row-item-description"> <div class="devsite-landing-row-item-body"> <h3 id="engage" data-text="Engage" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/engage"> Engage </a> </h3> <div class="devsite-landing-row-item-description-content"> Boost user engagement with rich analytics, A/B testing, and messaging campaigns. <strong style="color: #f57d01;">Understand your users</strong> to better support and retain them. <strong style="color: #f57d01;">Run experiments</strong> to test ideas and uncover new insights. <strong style="color: #f57d01;">Customize your app</strong> for different user segments. </div> <div class="devsite-landing-row-item-buttons"> <a href="https://web.archive.org/web/20210420043100/https://firebase.google.com/docs/engage" class="button ">View documentation</a> </div> </div> </div> </div> </div> </div> </section> <section class="devsite-landing-row devsite-landing-row-1-up" header-position="top"> <div class="devsite-landing-row-inner"> <div class="devsite-landing-row-html"> <h2 id="documentation-and-learning-content" data-text="Documentation and learning content">Documentation and learning content</h2> <p>Whether you learn by reading or by doing, Firebase offers you many resources to become skillful with our products.</p> </div> </div> </section> <section class="devsite-landing-row devsite-landing-row-2-up" header-position="top"> <div class="devsite-landing-row-inner"> <div class="devsite-landing-row-group"> <div class="devsite-landing-row-column"> <div class="devsite-landing-row-item devsite-landing-row-item-no-media" description-position="bottom"> <div class="devsite-landing-row-item-description" icon-position="left"> <div class="devsite-landing-row-item-icon-container" foreground="theme" size="medium"> <div class="devsite-landing-row-item-icon material-icons" aria-hidden="true"> library_books </div> </div> <div class="devsite-landing-row-item-body"> <h3 id="guides" data-text="Guides" class="hide-from-toc no-link" tabindex="0"> Guides </h3> <div class="devsite-landing-row-item-description-content"> <p>Descriptive how-to content with both high-level introductions and step-by-step workflows for using Firebase products. 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