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href="http://web.archive.org/web/20230927055827/https://io.google/2023/program/?q=web-topic,web/&utm_source=web&utm_medium=embedded_marketing&utm_campaign=hpp_ondemand_banner&utm_content=">Watch the Chrome content on-demand.</a></div></div><header class="hero"><div class="wrapper"><div class="hero__content--split"><div><h1 class="text-size-6">Notifications</h1><p>Web Push and Notifications</p></div></div></div></header><div class="collection"><div class="wrapper pad-block-size-1"><div class="sidebar" data-direction="rtl"><div class="pad-block-size-1 flow"><h2>Overview</h2><p>Push messages enable you to bring information to the attention of your users even when they're not using your website.</p></div><div class="pad-block-size-1"><div class="toc"><div class="toc__content"><h2 class="toc__header">Table of Contents</h2><ul class="toc__list"><li><div class="path__toc--item"><svg viewbox="0 0 24 24" aria-label="done" class="icon" fill="#3740ff" height="24" role="img" width="24" 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href="/web/20230927055827/https://web.dev/push-notifications-subscribing-a-user/"> Subscribing a User </a></li><li><a href="/web/20230927055827/https://web.dev/push-notifications-permissions-ux/"> Permission UX </a></li><li><a href="/web/20230927055827/https://web.dev/sending-messages-with-web-push-libraries/"> Sending messages with web push libraries </a></li><li><a href="/web/20230927055827/https://web.dev/push-notifications-web-push-protocol/"> The Web Push Protocol </a></li><li><a href="/web/20230927055827/https://web.dev/push-notifications-handling-messages/"> Push events </a></li><li><a href="/web/20230927055827/https://web.dev/push-notifications-display-a-notification/"> Displaying a Notification </a></li><li><a href="/web/20230927055827/https://web.dev/push-notifications-notification-behaviour/"> Notification behavior </a></li><li><a href="/web/20230927055827/https://web.dev/push-notifications-common-notification-patterns/"> Common notification patterns </a></li><li><a href="/web/20230927055827/https://web.dev/push-notifications-faq/"> Push notifications FAQ </a></li><li><a href="/web/20230927055827/https://web.dev/push-notifications-common-issues-and-reporting-bugs/"> Common Issues and Reporting Bugs </a></li></ul></div></div></div><div class="path__topic"><div class="wrapper pad-block-size-1"><div class="prose"><h2 class="text-size-2" id="codelabs">Codelabs <a aria-hidden="true" class="color-mid-text" href="#codelabs">#</a></h2><ul><li><a href="/web/20230927055827/https://web.dev/push-notifications-client-codelab/"> Codelab: Build a push notification client </a></li><li><a href="/web/20230927055827/https://web.dev/push-notifications-server-codelab/"> Codelab: Build a push notification server </a></li></ul></div></div></div></div></div></main><footer class="site-footer" role="contentinfo"><nav aria-label="footer navigation" class="site-footer__primary-nav auto-grid"><div class="site-footer__primary-nav-content"><a class="site-footer__brand brand" 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