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web.dev LIVE Day 1

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href="https://web.developers.google.cn/shows/web-dev-live-day-1?hl=ja" /><link rel="alternate" hreflang="ko-cn" href="https://web.developers.google.cn/shows/web-dev-live-day-1?hl=ko" /><link rel="alternate" hreflang="pl-cn" href="https://web.developers.google.cn/shows/web-dev-live-day-1?hl=pl" /><link rel="alternate" hreflang="pt-BR-cn" href="https://web.developers.google.cn/shows/web-dev-live-day-1?hl=pt-br" /><link rel="alternate" hreflang="ru-cn" href="https://web.developers.google.cn/shows/web-dev-live-day-1?hl=ru" /><link rel="alternate" hreflang="es-419-cn" href="https://web.developers.google.cn/shows/web-dev-live-day-1?hl=es-419" /><link rel="alternate" hreflang="th-cn" href="https://web.developers.google.cn/shows/web-dev-live-day-1?hl=th" /><link rel="alternate" hreflang="tr-cn" href="https://web.developers.google.cn/shows/web-dev-live-day-1?hl=tr" /><link rel="alternate" hreflang="vi-cn" href="https://web.developers.google.cn/shows/web-dev-live-day-1?hl=vi" /><title>web.dev LIVE Day 1</title> <meta property="og:title" content="web.dev LIVE Day 1"><meta name="description" content="Missed web.dev LIVE? We&#39;ve got you covered. Watch the talks from the web.dev LIVE 2020 event"> <meta property="og:description" content="Missed web.dev LIVE? We&#39;ve got you covered. Watch the talks from the web.dev LIVE 2020 event"><meta property="og:url" content="https://web.dev/shows/web-dev-live-day-1"><meta property="og:locale" content="en"><script type="application/ld+json"> { "@context": "https://schema.org", "@type": "Article", "headline": "web.dev LIVE Day 1" } </script> <link rel="stylesheet" href="/extras.css"></head> <body class="" template="landing" theme="web-theme" type="article" appearance layout="full" 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 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track-metadata-position="nav - patterns" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Patterns" track-name="patterns" > Patterns </a> </tab> <tab > <a href="https://web.dev/case-studies" track-metadata-eventdetail="https://web.dev/case-studies" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - case studies" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Case studies" track-name="case studies" > Case studies </a> </tab> <tab class="devsite-active"> <a href="https://web.dev/shows" track-metadata-eventdetail="https://web.dev/shows" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - shows" track-metadata-module="primary nav" aria-label="Shows, selected" data-category="Site-Wide Custom Events" data-label="Tab: Shows" track-name="shows" > Shows </a> </tab> </nav> </devsite-tabs> </div> <devsite-search 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</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://web.dev/shows" 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="" > Shows </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://web.dev/shows/this-is-baseline" track-metadata-eventdetail="https://web.dev/shows/this-is-baseline" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - this is baseline" track-metadata-module="primary nav" data-category="Site-Wide Custom 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track-metadata-position="nav - web.dev live day 1" track-metadata-module="primary nav" aria-label="web.dev LIVE Day 1, selected" data-category="Site-Wide Custom Events" data-label="Tab: web.dev LIVE Day 1" track-name="web.dev live day 1" > web.dev LIVE Day 1 </a> </tab> <tab > <a href="https://web.dev/shows/web-dev-live-day-2" track-metadata-eventdetail="https://web.dev/shows/web-dev-live-day-2" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - web.dev live day 2" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: web.dev LIVE Day 2" track-name="web.dev live day 2" > web.dev LIVE Day 2 </a> </tab> <tab > <a href="https://web.dev/shows/web-dev-live-day-3" track-metadata-eventdetail="https://web.dev/shows/web-dev-live-day-3" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - web.dev live day 3" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: web.dev LIVE Day 3" track-name="web.dev live day 3" > web.dev LIVE Day 3 </a> </tab> </nav> </devsite-tabs> </div> </div> </div> </div> </devsite-header> <devsite-book-nav scrollbars hidden> <div class="devsite-book-nav-filter" hidden> <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 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We've got you covered. Watch the talks from the web.dev LIVE 2020 event on Youtube (<a href="/shows/web-dev-live-day-2">Day 2</a>, <a href="/shows/web-dev-live-day-3">Day 3</a>) </div> </div> </div> </div> </div> </div> </section> <section class="devsite-landing-row devsite-landing-row-3-up devsite-landing-row-cards" header-position="top" > <div class="devsite-landing-row-inner"> <div class="devsite-landing-row-group"> <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.dev/shows/web-dev-live-day-1/t8YBZLjL-KU"> <picture> <img alt="" src="https://web.dev/static/image/youtube/t8YBZLjL-KU.jpg" srcset="https://web.dev/static/image/youtube/t8YBZLjL-KU_36.jpg 36w,https://web.dev/static/image/youtube/t8YBZLjL-KU_48.jpg 48w,https://web.dev/static/image/youtube/t8YBZLjL-KU_72.jpg 72w,https://web.dev/static/image/youtube/t8YBZLjL-KU_96.jpg 96w,https://web.dev/static/image/youtube/t8YBZLjL-KU_480.jpg 480w,https://web.dev/static/image/youtube/t8YBZLjL-KU_720.jpg 720w,https://web.dev/static/image/youtube/t8YBZLjL-KU_856.jpg 856w,https://web.dev/static/image/youtube/t8YBZLjL-KU_960.jpg 960w,https://web.dev/static/image/youtube/t8YBZLjL-KU_1440.jpg 1440w,https://web.dev/static/image/youtube/t8YBZLjL-KU_1920.jpg 1920w,https://web.dev/static/image/youtube/t8YBZLjL-KU_2880.jpg 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </a> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <h3 id="core-web-vitals-in-the-devtools-timeline" data-text="Core Web Vitals in the DevTools timeline" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/shows/web-dev-live-day-1/t8YBZLjL-KU"> Core Web Vitals in the DevTools timeline </a> </h3> <div class="devsite-landing-row-item-description-content"> The Core Web Vitals are a great way to assess the UX impact of page load performance. In this talk, we cover what the vitals are, where t... </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.dev/shows/web-dev-live-day-1/nOEXIcMdr_g"> <picture> <img alt="" src="https://web.dev/static/image/youtube/nOEXIcMdr_g.jpg" srcset="https://web.dev/static/image/youtube/nOEXIcMdr_g_36.jpg 36w,https://web.dev/static/image/youtube/nOEXIcMdr_g_48.jpg 48w,https://web.dev/static/image/youtube/nOEXIcMdr_g_72.jpg 72w,https://web.dev/static/image/youtube/nOEXIcMdr_g_96.jpg 96w,https://web.dev/static/image/youtube/nOEXIcMdr_g_480.jpg 480w,https://web.dev/static/image/youtube/nOEXIcMdr_g_720.jpg 720w,https://web.dev/static/image/youtube/nOEXIcMdr_g_856.jpg 856w,https://web.dev/static/image/youtube/nOEXIcMdr_g_960.jpg 960w,https://web.dev/static/image/youtube/nOEXIcMdr_g_1440.jpg 1440w,https://web.dev/static/image/youtube/nOEXIcMdr_g_1920.jpg 1920w,https://web.dev/static/image/youtube/nOEXIcMdr_g_2880.jpg 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </a> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <h3 id="workerized-js-made-easy" data-text="Workerized JS made easy" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/shows/web-dev-live-day-1/nOEXIcMdr_g"> Workerized JS made easy </a> </h3> <div class="devsite-landing-row-item-description-content"> When JavaScript lives in a Worker, it runs in a separate thread. Thus, it can&#39;t block the browser from creating smooth user experiences! ... </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.dev/shows/web-dev-live-day-1/hBKZnaIMm4M"> <picture> <img alt="" src="https://web.dev/static/image/youtube/hBKZnaIMm4M.jpg" srcset="https://web.dev/static/image/youtube/hBKZnaIMm4M_36.jpg 36w,https://web.dev/static/image/youtube/hBKZnaIMm4M_48.jpg 48w,https://web.dev/static/image/youtube/hBKZnaIMm4M_72.jpg 72w,https://web.dev/static/image/youtube/hBKZnaIMm4M_96.jpg 96w,https://web.dev/static/image/youtube/hBKZnaIMm4M_480.jpg 480w,https://web.dev/static/image/youtube/hBKZnaIMm4M_720.jpg 720w,https://web.dev/static/image/youtube/hBKZnaIMm4M_856.jpg 856w,https://web.dev/static/image/youtube/hBKZnaIMm4M_960.jpg 960w,https://web.dev/static/image/youtube/hBKZnaIMm4M_1440.jpg 1440w,https://web.dev/static/image/youtube/hBKZnaIMm4M_1920.jpg 1920w,https://web.dev/static/image/youtube/hBKZnaIMm4M_2880.jpg 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </a> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <h3 id="implementing-structured-data-with-javascript" data-text="Implementing structured data with JavaScript" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/shows/web-dev-live-day-1/hBKZnaIMm4M"> Implementing structured data with JavaScript </a> </h3> <div class="devsite-landing-row-item-description-content"> If you are building a great website with JavaScript, you want it to stand out in Google Search, too. To be eligible for rich results, you... </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.dev/shows/web-dev-live-day-1/himvKu12YCY"> <picture> <img alt="" src="https://web.dev/static/image/youtube/himvKu12YCY.jpg" srcset="https://web.dev/static/image/youtube/himvKu12YCY_36.jpg 36w,https://web.dev/static/image/youtube/himvKu12YCY_48.jpg 48w,https://web.dev/static/image/youtube/himvKu12YCY_72.jpg 72w,https://web.dev/static/image/youtube/himvKu12YCY_96.jpg 96w,https://web.dev/static/image/youtube/himvKu12YCY_480.jpg 480w,https://web.dev/static/image/youtube/himvKu12YCY_720.jpg 720w,https://web.dev/static/image/youtube/himvKu12YCY_856.jpg 856w,https://web.dev/static/image/youtube/himvKu12YCY_960.jpg 960w,https://web.dev/static/image/youtube/himvKu12YCY_1440.jpg 1440w,https://web.dev/static/image/youtube/himvKu12YCY_1920.jpg 1920w,https://web.dev/static/image/youtube/himvKu12YCY_2880.jpg 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </a> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <h3 id="debugging-javascript-seo-issues" data-text="Debugging JavaScript SEO issues" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/shows/web-dev-live-day-1/himvKu12YCY"> Debugging JavaScript SEO issues </a> </h3> <div class="devsite-landing-row-item-description-content"> Diagnosing common JavaScript SEO issues and helpful steps to debug them! </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.dev/shows/web-dev-live-day-1/2QWO78U43FU"> <picture> <img alt="" src="https://web.dev/static/image/youtube/2QWO78U43FU.jpg" srcset="https://web.dev/static/image/youtube/2QWO78U43FU_36.jpg 36w,https://web.dev/static/image/youtube/2QWO78U43FU_48.jpg 48w,https://web.dev/static/image/youtube/2QWO78U43FU_72.jpg 72w,https://web.dev/static/image/youtube/2QWO78U43FU_96.jpg 96w,https://web.dev/static/image/youtube/2QWO78U43FU_480.jpg 480w,https://web.dev/static/image/youtube/2QWO78U43FU_720.jpg 720w,https://web.dev/static/image/youtube/2QWO78U43FU_856.jpg 856w,https://web.dev/static/image/youtube/2QWO78U43FU_960.jpg 960w,https://web.dev/static/image/youtube/2QWO78U43FU_1440.jpg 1440w,https://web.dev/static/image/youtube/2QWO78U43FU_1920.jpg 1920w,https://web.dev/static/image/youtube/2QWO78U43FU_2880.jpg 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </a> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <h3 id="amp-at-your-service" data-text="AMP at your service" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/shows/web-dev-live-day-1/2QWO78U43FU"> AMP at your service </a> </h3> <div class="devsite-landing-row-item-description-content"> Naina and Sebastian discuss how AMP makes web development less painful and why it&#39;s time to move away from paired AMP. </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.dev/shows/web-dev-live-day-1/MxBCPc7bQvM"> <picture> <img alt="" src="https://web.dev/static/image/youtube/MxBCPc7bQvM.jpg" srcset="https://web.dev/static/image/youtube/MxBCPc7bQvM_36.jpg 36w,https://web.dev/static/image/youtube/MxBCPc7bQvM_48.jpg 48w,https://web.dev/static/image/youtube/MxBCPc7bQvM_72.jpg 72w,https://web.dev/static/image/youtube/MxBCPc7bQvM_96.jpg 96w,https://web.dev/static/image/youtube/MxBCPc7bQvM_480.jpg 480w,https://web.dev/static/image/youtube/MxBCPc7bQvM_720.jpg 720w,https://web.dev/static/image/youtube/MxBCPc7bQvM_856.jpg 856w,https://web.dev/static/image/youtube/MxBCPc7bQvM_960.jpg 960w,https://web.dev/static/image/youtube/MxBCPc7bQvM_1440.jpg 1440w,https://web.dev/static/image/youtube/MxBCPc7bQvM_1920.jpg 1920w,https://web.dev/static/image/youtube/MxBCPc7bQvM_2880.jpg 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </a> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <h3 id="how-to-analyze-your-javascript-bundles" data-text="How to analyze your JavaScript bundles" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/shows/web-dev-live-day-1/MxBCPc7bQvM"> How to analyze your JavaScript bundles </a> </h3> <div class="devsite-landing-row-item-description-content"> Learn how to analyze your bundled JavaScript code and to spot common issues that can easily bloat up your application size. </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.dev/shows/web-dev-live-day-1/YGcA-h4YM6w"> <picture> <img alt="" src="https://web.dev/static/image/youtube/YGcA-h4YM6w.jpg" srcset="https://web.dev/static/image/youtube/YGcA-h4YM6w_36.jpg 36w,https://web.dev/static/image/youtube/YGcA-h4YM6w_48.jpg 48w,https://web.dev/static/image/youtube/YGcA-h4YM6w_72.jpg 72w,https://web.dev/static/image/youtube/YGcA-h4YM6w_96.jpg 96w,https://web.dev/static/image/youtube/YGcA-h4YM6w_480.jpg 480w,https://web.dev/static/image/youtube/YGcA-h4YM6w_720.jpg 720w,https://web.dev/static/image/youtube/YGcA-h4YM6w_856.jpg 856w,https://web.dev/static/image/youtube/YGcA-h4YM6w_960.jpg 960w,https://web.dev/static/image/youtube/YGcA-h4YM6w_1440.jpg 1440w,https://web.dev/static/image/youtube/YGcA-h4YM6w_1920.jpg 1920w,https://web.dev/static/image/youtube/YGcA-h4YM6w_2880.jpg 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </a> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <h3 id="mastering-the-chrome-ux-report-on-bigquery" data-text="Mastering the Chrome UX Report on BigQuery" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/shows/web-dev-live-day-1/YGcA-h4YM6w"> Mastering the Chrome UX Report on BigQuery </a> </h3> <div class="devsite-landing-row-item-description-content"> There is so much information in the Chrome UX Report dataset on BigQuery, it can feel overwhelming at first. 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