Official Google Webmaster Central Blog: Updating our technical Webmaster Guidelines

<!DOCTYPE html> <html class='v2 detail-page' dir='ltr' itemscope='' itemtype='http://schema.org/Blog' lang='en' xmlns='http://www.w3.org/1999/xhtml' xmlns:b='http://www.google.com/2005/gml/b' xmlns:data='http://www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr'> <head> <link href='https://www.blogger.com/static/v1/widgets/3566091532-css_bundle_v2.css' rel='stylesheet' type='text/css'/> <title> Official Google Webmaster Central Blog: Updating our technical Webmaster Guidelines </title> <script type='text/javascript'> var newhost = 'https://developers.google.com'; var target_blog_path = '/search/blog' var target_search_path = '/s/results/search/blog/?q=' var pathname = window.location.pathname if (pathname.startsWith('/search/label/')) { pathname = target_search_path.concat(pathname.slice(14)); } else if (pathname.endsWith('.html')) { pathname = target_blog_path.concat(pathname.slice(0, -5)); } else { pathname = target_blog_path; } var redir_target = newhost.concat(pathname); window.location.href = redir_target; </script> <meta content='evCklrdiBeZ3REnk8pXEV6_6iEdNf1ZLgUpwH9XirGg' name='google-site-verification'/> <meta content='width=device-width, height=device-height, minimum-scale=1.0, initial-scale=1.0, user-scalable=0' name='viewport'/> <meta content='IE=Edge' http-equiv='X-UA-Compatible'/> <meta content='article' property='og:type'/> <meta content='Updating our technical Webmaster Guidelines' property='og:title'/> <meta content='https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-J2vYyNUwLduj1eh35_C1bLpwE-8dWGybgNCtkBIrt2HUc571QKhWGBATmA-a2FyttUehgerekuLYcWALuI4G9vh_EsWTk8IM45I1Cbhgqlk_tBJJ5LM9J_JJv_7dqLLPS9uYuA/s1600/googlelogo_color_200x200.png' property='og:image'/> <meta content='en_US' property='og:locale'/> <meta content='https://webmasters.googleblog.com/2014/10/updating-our-technical-webmaster.html' property='og:url'/> <meta content='Official Google Webmaster Central Blog' property='og:site_name'/>  <meta content='Official Google Webmaster Central Blog' property='twitter:site'/> <meta content='Updating our technical Webmaster Guidelines' property='twitter:title'/> <meta content='summary' name='twitter:card'/> <meta content='@googlewmc' name='twitter:creator'/> <link href='https://fonts.googleapis.com/css?family=Roboto:400italic,400,500,500italic,700,700italic' rel='stylesheet' type='text/css'/> <link href='https://fonts.googleapis.com/icon?family=Material+Icons' rel='stylesheet'/> <script src='https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js' type='text/javascript'></script>  <style id='page-skin-1' type='text/css'></style> <style id='template-skin-1' type='text/css'></style>  <meta content='text/html; charset=UTF-8' http-equiv='Content-Type'/> <meta content='blogger' name='generator'/> <link href='https://webmasters.googleblog.com/favicon.ico' rel='icon' type='image/x-icon'/> <link href='https://webmasters.googleblog.com/2014/10/updating-our-technical-webmaster.html' rel='canonical'/> <link rel="alternate" type="application/atom+xml" title="Official Google Webmaster Central Blog - Atom" href="https://webmasters.googleblog.com/feeds/posts/default" /> <link rel="alternate" type="application/rss+xml" title="Official Google Webmaster Central Blog - RSS" href="https://webmasters.googleblog.com/feeds/posts/default?alt=rss" /> <link rel="service.post" type="application/atom+xml" title="Official Google Webmaster Central Blog - Atom" href="https://www.blogger.com/feeds/32069983/posts/default" /> <link rel="alternate" type="application/atom+xml" title="Official Google Webmaster Central Blog - Atom" href="https://webmasters.googleblog.com/feeds/753508446834371132/comments/default" />  <meta content='https://webmasters.googleblog.com/2014/10/updating-our-technical-webmaster.html' property='og:url'/> <meta content='Updating our technical Webmaster Guidelines' property='og:title'/> <meta content='Official news on crawling and indexing sites for the Google index' property='og:description'/>  <base target='_self'/> <style> html { font-family: Roboto, sans-serif; -moz-osx-font-smoothing: grayscale; -webkit-font-smoothing: antialiased; } body { padding: 0; /* This ensures that the scroll bar is always present, which is needed */ /* because content render happens after page load; otherwise the header */ /* would "bounce" in-between states. */ min-height: 150%; } h2 { font-size: 16px; } h1, h2, h3, h4, h5 { line-height: 2em; } html, h4, h5, h6 { font-size: 14px; } a, a:visited { color: #4184F3; text-decoration: none; } a:focus, a:hover, a:active { text-decoration: none; } .Header { margin-top: 15px; } .Header h1 { font-size: 32px; font-weight: 300; line-height: 32px; height: 42px; } .header-inner .Header .titlewrapper { padding: 0; margin-top: 30px; } .header-inner .Header .descriptionwrapper { padding: 0; margin: 0; } .cols-wrapper { margin-top: 56px; } .header-outer, .cols-wrapper, .footer-outer, .google-footer-outer { padding: 0 60px; } .header-inner { height: 256px; position: relative; } html, .header-inner a { color: #212121; color: rgba(0,0,0,.87); } .header-inner .google-logo { display: inline-block; background-size: contain; z-index: 1; height: 46px; overflow: hidden; margin-top: 4px; margin-right: 8px; } .header-left { position: absolute; top: 50%; -webkit-transform: translateY(-50%); transform: translateY(-50%); margin-top: 12px; width: 100%; } .google-logo { margin-left: -4px; } #google-footer { position: relative; font-size: 13px; list-style: none; text-align: right; } #google-footer a { color: #444; } #google-footer ul { margin: 0; padding: 0; height: 144px; line-height: 144px; } #google-footer ul li { display: inline; } #google-footer ul li:before { color: #999; content: "\00b7"; font-weight: bold; margin: 5px; } #google-footer ul li:first-child:before { content: ''; } #google-footer .google-logo-dark { left: 0; margin-top: -16px; position: absolute; top: 50%; } /** Sitemap links. **/ .footer-inner-2 { font-size: 14px; padding-top: 42px; padding-bottom: 74px; } .footer-inner-2 .HTML h2 { color: #212121; color: rgba(0,0,0,.87); font-size: 14px; font-weight: 500; padding-left: 0; margin: 10px 0; } .footer-inner-2 .HTML ul { font-weight: normal; list-style: none; padding-left: 0; } .footer-inner-2 .HTML li { line-height: 24px; padding: 0; } .footer-inner-2 li a { color: rgba(65,132,243,.87); } /** Archive widget. **/ .BlogArchive { font-size: 13px; font-weight: normal; } .BlogArchive .widget-content { display: none; } .BlogArchive h2, .Label h2 { color: #4184F3; text-decoration: none; } .BlogArchive .hierarchy li { display: inline-block; } /* Specificity needed here to override widget CSS defaults. */ .BlogArchive #ArchiveList ul li, .BlogArchive #ArchiveList ul ul li { margin: 0; padding-left: 0; text-indent: 0; } .BlogArchive .intervalToggle { cursor: pointer; } .BlogArchive .expanded .intervalToggle .new-toggle { -ms-transform: rotate(180deg); transform: rotate(180deg); } .BlogArchive .new-toggle { float: right; padding-top: 3px; opacity: 0.87; } #ArchiveList { text-transform: uppercase; } #ArchiveList .expanded > ul:last-child { margin-bottom: 16px; } #ArchiveList .archivedate { width: 100%; } /* Months */ .BlogArchive .items { max-width: 150px; margin-left: -4px; } .BlogArchive .expanded .items { margin-bottom: 10px; overflow: hidden; } .BlogArchive .items > ul { float: left; height: 32px; } .BlogArchive .items a { padding: 0 4px; } .Label { font-size: 13px; font-weight: normal; } .sidebar-icon { display: inline-block; width: 24px; height: 24px; vertical-align: middle; margin-right: 12px; margin-top: -1px } .Label a { margin-right: 4px; } .Label .widget-content { display: none; } .FollowByEmail { font-size: 13px; font-weight: normal; } .FollowByEmail h2 { background: url("data:image/png;base64,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"); background-repeat: no-repeat; background-position: 0 50%; text-indent: 30px; } .FollowByEmail .widget-content { display: none; } .searchBox input { border: 1px solid #eee; color: #212121; color: rgba(0,0,0,.87); font-size: 14px; padding: 8px 8px 8px 40px; width: 164px; font-family: Roboto, sans-serif; background: url("https://www.gstatic.com/images/icons/material/system/1x/search_grey600_24dp.png") 8px center no-repeat; } .searchBox ::-webkit-input-placeholder { /* WebKit, Blink, Edge */ color: rgba(0,0,0,.54); } .searchBox :-moz-placeholder { /* Mozilla Firefox 4 to 18 */ color: #000; opacity: 0.54; } .searchBox ::-moz-placeholder { /* Mozilla Firefox 19+ */ color: #000; opacity: 0.54; } .searchBox :-ms-input-placeholder { /* Internet Explorer 10-11 */ color: #757575; } .widget-item-control { margin-top: 0px; } .section { margin: 0; padding: 0; } #sidebar-top { border: 1px solid #eee; } #sidebar-top > div { margin: 16px 0; } .widget ul { line-height: 1.6; } /*main post*/ .post { margin-bottom:30px; } #main .post .title { margin: 0; } #main .post .title a { color: #212121; color: rgba(0,0,0,.87); font-weight: normal; font-size: 24px; } #main .post .title a:hover { text-decoration:none; color:#4184F3; } .message, #main .post .post-header { margin: 0; padding: 0; } #main .post .post-header .caption, #main .post .post-header .labels-caption, #main .post .post-footer .caption, #main .post .post-footer .labels-caption { color: #444; font-weight: 500; } #main .tr-caption-container td { text-align: left; } #main .post .tr-caption { color: #757575; color: rgba(0,0,0,.54); display: block; max-width: 560px; padding-bottom: 20px; } #main .post .tr-caption-container { line-height: 24px; margin: -1px 0 0 0 !important; padding: 4px 0; text-align: left; } #main .post .post-header .published{ font-size:11px; font-weight:bold; } .post-header .publishdate { font-size: 17px; font-weight:normal; color: #757575; color: rgba(0,0,0,.54); } #main .post .post-footer{ font-size:12px; padding-bottom: 21px; } .label-footer { margin-bottom: 12px; margin-top: 12px; } .comment-img { margin-right: 16px; opacity: 0.54; vertical-align: middle; } #main .post .post-header .published { margin-bottom: 40px; margin-top: -2px; } .post .post-content { color: #212121; color: rgba(0,0,0,.87); font-size: 17px; margin: 25px 0 36px 0; line-height: 32px; } .post-body .post-content ul, .post-body .post-content ol { margin: 16px 0; padding: 0 48px; } .post-summary { display: none; } /* Another old-style caption. */ .post-content div i, .post-content div + i { font-size: 14px; font-style: normal; color: #757575; color: rgba(0,0,0,.54); display: block; line-height: 24px; margin-bottom: 16px; text-align: left; } /* Another old-style caption (with link) */ .post-content a > i { color: #4184F3 !important; } /* Old-style captions for images. */ .post-content .separator + div:not(.separator) { margin-top: -16px; } /* Capture section headers. */ .post-content br + br + b, .post-content .space + .space + b, .post-content .separator + b { display: inline-block; margin-bottom: 8px; margin-top: 24px; } .post-content li { line-height: 32px; } /* Override all post images/videos to left align. */ .post-content .separator, .post-content > div { text-align: left; } .post-content .separator > a, .post-content .separator > span { margin-left: 0 !important; } .post-content img { max-width: 100%; height: auto; width: auto; } .post-content .tr-caption-container img { margin-bottom: 12px; } .post-content iframe, .post-content embed { max-width: 100%; } .post-content .carousel-container { margin-bottom: 48px; } #main .post-content b { font-weight: 500; } /* These are the main paragraph spacing tweaks. */ #main .post-content br { content: ' '; display: block; padding: 4px; } .post-content .space { display: block; height: 8px; } .post-content iframe + .space, .post-content iframe + br { padding: 0 !important; } #main .post .jump-link { margin-bottom:10px; } .post-content img, .post-content iframe { margin: 30px 0 20px 0; } .post-content > img:first-child, .post-content > iframe:first-child { margin-top: 0; } .col-right .section { padding: 0 16px; } #aside { background:#fff; border:1px solid #eee; border-top: 0; } #aside .widget { margin:0; } #aside .widget h2, #ArchiveList .toggle + a.post-count-link { color: #212121; color: rgba(0,0,0,.87); font-weight: 400 !important; margin: 0; } #ArchiveList .toggle { float: right; } #ArchiveList .toggle .material-icons { padding-top: 4px; } #sidebar .tab { cursor: pointer; } #sidebar .tab .arrow { display: inline-block; float: right; } #sidebar .tab .icon { display: inline-block; vertical-align: top; height: 24px; width: 24px; margin-right: 13px; margin-left: -1px; margin-top: 1px; color: #757575; color: rgba(0,0,0,.54); } #sidebar .widget-content > :first-child { padding-top: 8px; } #sidebar .active .tab .arrow { -ms-transform: rotate(180deg); transform: rotate(180deg); } #sidebar .arrow { color: #757575; color: rgba(0,0,0,.54); } #sidebar .widget h2 { font-size: 14px; line-height: 24px; display: inline-block; } #sidebar .widget .BlogArchive { padding-bottom: 8px; } #sidebar .widget { border-bottom: 1px solid #eee; box-shadow: 0px 1px 0 white; margin-bottom: 0; padding: 14px 0; min-height: 20px; } #sidebar .widget:last-child { border-bottom: none; box-shadow: none; margin-bottom: 0; } #sidebar ul { margin: 0; padding: 0; } #sidebar ul li { list-style:none; padding:0; } #sidebar ul li a { line-height: 32px; } #sidebar .archive { background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAYCAYAAADzoH0MAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAE1JREFUeNpiNDY23s9AAWBioBCwYBM8c+YMVsUmJibEGYBNMS5DaeMFfDYSZQA2v9I3FrB5AZeriI4FmnrBccCT8mhmGs1MwyAzAQQYAKEWG9zm9QFEAAAAAElFTkSuQmCC"); height: 24px; line-height: 24px; padding-left: 30px; } #sidebar .labels { background-image: url("data:image/png;base64,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"); height: 20px; line-height: 20px; padding-left: 30px; } #sidebar .rss a { background-image: url("data:image/png;base64,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"); } #sidebar .subscription a { background-image: url("data:image/png;base64,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"); } #sidebar-bottom { background: #f5f5f5; border-top:1px solid #eee; } #sidebar-bottom .widget { border-bottom: 1px solid #e0e0e0; padding: 15px 0; text-align: center; } #sidebar-bottom > div:last-child { border-bottom: 0; } #sidebar-bottom .text { line-height: 20px; } /* Home, forward, and backward pagination. */ .blog-pager { border-top : 1px #e0e0e0 solid; padding-top: 10px; margin-top: 15px; text-align: right !important; } #blog-pager { margin-botom: 0; margin-top: -14px; padding: 16px 0 0 0; } #blog-pager a { display: inline-block; } .blog-pager i.disabled { opacity: 0.2 !important; } .blog-pager i { color: black; margin-left: 16px; opacity: 0.54; } .blog-pager i:hover, .blog-pager i:active { opacity: 0.87; } #blog-pager-older-link, #blog-pager-newer-link { float: none; } .gplus-profile { background-color: #fafafa; border: 1px solid #eee; overflow: hidden; width: 212px; } .gplus-profile-inner { margin-left: -1px; margin-top: -1px; } /* Sidebar follow buttons. */ .followgooglewrapper { padding: 12px 0 0 0; } .loading { visibility: hidden; } .detail-page .post-footer .cmt_iframe_holder { padding-top: 40px !important; } /** Desktop **/ @media (max-width: 900px) { .col-right { display: none; } .col-main { margin-right: 0; min-width: initial; } .footer-outer { display: none; } .cols-wrapper { min-width: initial; } .google-footer-outer { background-color: #f5f5f5; } } /** Tablet **/ @media (max-width: 712px) { .header-outer, .cols-wrapper, .footer-outer, .google-footer-outer { padding: 0 40px; } } /* An extra breakpoint accommodating for long blog titles. */ @media (max-width: 600px) { .header-left { height: 100%; top: inherit; margin-top: 0; -webkit-transform: initial; transform: initial; } .header-title { margin-top: 18px; } .header-inner .google-logo { height: 40px; margin-top: 3px; } .header-inner .google-logo img { height: 42px; } .header-title h2 { font-size: 32px; line-height: 40px; } .header-desc { bottom: 24px; position: absolute; } } /** Mobile/small desktop window; also landscape. **/ @media (max-width: 480px), (max-height: 480px) { .header-outer, .cols-wrapper, .footer-outer, .google-footer-outer { padding: 0 16px; } .cols-wrapper { margin-top: 0; } .post-header .publishdate, .post .post-content { font-size: 16px; } .post .post-content { line-height: 28px; margin-bottom: 30px; } .post { margin-top: 30px; } .byline-author { display: block; font-size: 12px; line-height: 24px; margin-top: 6px; } #main .post .title a { font-weight: 500; color: #4c4c4c; color: rgba(0,0,0,.70); } #main .post .post-header { padding-bottom: 12px; } #main .post .post-header .published { margin-bottom: -8px; margin-top: 3px; } .post .read-more { display: block; margin-top: 14px; } .post .tr-caption { font-size: 12px; } #main .post .title a { font-size: 20px; line-height: 30px; } .post-content iframe { /* iframe won't keep aspect ratio when scaled down. */ max-height: 240px; } .post-content .separator img, .post-content .tr-caption-container img, .post-content iframe { margin-left: -16px; max-width: inherit; width: calc(100% + 32px); } .post-content table, .post-content td { width: 100%; } #blog-pager { margin: 0; padding: 16px 0; } /** List page tweaks. **/ .list-page .post-original { display: none; } .list-page .post-summary { display: block; } .list-page .comment-container { display: none; } .list-page #blog-pager { padding-top: 0; border: 0; margin-top: -8px; } .list-page .label-footer { display: none; } .list-page #main .post .post-footer { border-bottom: 1px solid #eee; margin: -16px 0 0 0; padding: 0 0 20px 0; } .list-page .post .share { display: none; } /** Detail page tweaks. **/ .detail-page .post-footer .cmt_iframe_holder { padding-top: 32px !important; } .detail-page .label-footer { margin-bottom: 0; } .detail-page #main .post .post-footer { padding-bottom: 0; } .detail-page #comments { display: none; } } [data-about-pullquote], [data-is-preview], [data-about-syndication] { display: none; } </style> <noscript> <style> .loading { visibility: visible }</style> </noscript> <script type='text/javascript'> (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','https://www.google-analytics.com/analytics.js','ga'); ga('create', 'UA-18009-4', 'auto', 'blogger'); ga('blogger.send', 'pageview'); </script> <link href='https://www.blogger.com/dyn-css/authorization.css?targetBlogID=32069983&zx=8855dad6-3029-4476-9a6a-423344a04200' media='none' onload='if(media!='all')media='all'' rel='stylesheet'/><noscript><link href='https://www.blogger.com/dyn-css/authorization.css?targetBlogID=32069983&zx=8855dad6-3029-4476-9a6a-423344a04200' rel='stylesheet'/></noscript> <meta name='google-adsense-platform-account' content='ca-host-pub-1556223355139109'/> <meta name='google-adsense-platform-domain' content='blogspot.com'/> </head> <body> <script type='text/javascript'> //<![CDATA[ var axel = Math.random() + ""; var a = axel * 10000000000000; document.write('<iframe src="https://2542116.fls.doubleclick.net/activityi;src=2542116;type=gblog;cat=googl0;ord=ord=' + a + '?" width="1" height="1" frameborder="0" style="display:none"></iframe>'); //]]> </script> <noscript> <img alt='' height='1' src='https://ad.doubleclick.net/ddm/activity/src=2542116;type=gblog;cat=googl0;ord=1?' width='1'/> </noscript>  <div class='header-outer'> <div class='header-inner'> <div class='section' id='header'><div class='widget Header' data-version='1' id='Header1'> <div class='header-left'> <div class='header-title'> <a class='google-logo' href='https://webmasters.googleblog.com/'> <img height='50' src='https://www.gstatic.com/images/branding/googlelogo/2x/googlelogo_color_150x54dp.png'/> </a> <a href='/'> <h2> Webmaster Central Blog </h2> </a> </div> <div class='header-desc'> Official news on crawling and indexing sites for the Google index </div> </div> </div></div> </div> </div>  <div class='cols-wrapper loading'> <div class='col-main-wrapper'> <div class='col-main'> <div class='section' id='main'><div class='widget Blog' data-version='1' id='Blog1'> <div class='post' data-id='753508446834371132' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://webmasters.googleblog.com/2014/10/updating-our-technical-webmaster.html' itemprop='url' title='Updating our technical Webmaster Guidelines'> Updating our technical Webmaster Guidelines </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> Monday, October 27, 2014 </span> </div> </div> <div class='post-body'> <div class='post-content' itemprop='articleBody'> <script type='text/template'> <div dir="ltr" style="text-align: left;" trbidi="on"> <p>Webmaster level: All</p> <p>We recently announced that our indexing system has been <a href="http://googlewebmastercentral.blogspot.com/2014/05/understanding-web-pages-better.html">rendering web pages</a> more like a typical modern browser, with CSS and JavaScript turned on. Today, we're updating one of our <a href="https://support.google.com/webmasters/answer/35769?hl=en">technical Webmaster Guidelines</a> in light of this announcement.</p> <p>For optimal rendering and indexing, our new guideline specifies that you should allow Googlebot access to the JavaScript, CSS, and image files that your pages use. This provides you optimal rendering and indexing for your site. <strong>Disallowing crawling of Javascript or CSS files in your site’s robots.txt directly harms how well our algorithms render and index your content and can result in suboptimal rankings.</strong></p> <h3>Updated advice for optimal indexing</h3> <p>Historically, Google indexing systems resembled old text-only browsers, such as Lynx, and that’s what our Webmaster Guidelines said. Now, with indexing based on page rendering, it's no longer accurate to see our indexing systems as a text-only browser. Instead, a more accurate approximation is a modern web browser. With that new perspective, keep the following in mind:</p> <ul> <li>Just like modern browsers, our rendering engine might not support all of the technologies a page uses. Make sure your web design adheres to the principles of <a href="http://en.wikipedia.org/wiki/Progressive_enhancement">progressive enhancement</a> as this helps our systems (and a wider range of browsers) see usable content and basic functionality when certain web design features are not yet supported. </li> <li>Pages that render quickly not only help users get to your content easier, but make indexing of those pages more efficient too. We advise you follow the best practices for <a href="https://developers.google.com/web/fundamentals/performance/">page performance optimization</a>, specifically: <ul> <li><a href="https://developers.google.com/web/fundamentals/performance/optimizing-content-efficiency/eliminate-downloads">Eliminate unnecessary downloads</a></li> <li><a href="https://developers.google.com/web/fundamentals/performance/optimizing-content-efficiency/optimize-encoding-and-transfer">Optimize the serving of your CSS and JavaScript files</a> by concatenating (merging) your separate CSS and JavaScript files, minifying the concatenated files, and configuring your web server to serve them compressed (usually gzip compression)</li> </ul></li> <li>Make sure your server can handle the additional load for serving of JavaScript and CSS files to Googlebot.</li> </ul> <h3>Testing and troubleshooting</h3> <p>In conjunction with the launch of our rendering-based indexing, we also updated the <a href="https://support.google.com/webmasters/answer/158587">Fetch and Render as Google</a> feature in Webmaster Tools so webmasters could see how our systems render the page. With it, you'll be able to identify a number of indexing issues: improper robots.txt restrictions, redirects that Googlebot cannot follow, and more.</p> <p>And, as always, if you have any comments or questions, please ask in our <a href="https://productforums.google.com/forum/#!categories/webmasters/">Webmaster Help forum</a>.</p> <span class="byline-author">Posted by <a href="//google.com/+PierreFar?rel=superauthor">Pierre Far</a>, Webmaster Trends Analyst</span></div> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </script> <noscript> <div dir="ltr" style="text-align: left;" trbidi="on"> <p>Webmaster level: All</p> <p>We recently announced that our indexing system has been <a href="http://googlewebmastercentral.blogspot.com/2014/05/understanding-web-pages-better.html">rendering web pages</a> more like a typical modern browser, with CSS and JavaScript turned on. Today, we're updating one of our <a href="https://support.google.com/webmasters/answer/35769?hl=en">technical Webmaster Guidelines</a> in light of this announcement.</p> <p>For optimal rendering and indexing, our new guideline specifies that you should allow Googlebot access to the JavaScript, CSS, and image files that your pages use. This provides you optimal rendering and indexing for your site. <strong>Disallowing crawling of Javascript or CSS files in your site’s robots.txt directly harms how well our algorithms render and index your content and can result in suboptimal rankings.</strong></p> <h3>Updated advice for optimal indexing</h3> <p>Historically, Google indexing systems resembled old text-only browsers, such as Lynx, and that’s what our Webmaster Guidelines said. Now, with indexing based on page rendering, it's no longer accurate to see our indexing systems as a text-only browser. Instead, a more accurate approximation is a modern web browser. With that new perspective, keep the following in mind:</p> <ul> <li>Just like modern browsers, our rendering engine might not support all of the technologies a page uses. Make sure your web design adheres to the principles of <a href="http://en.wikipedia.org/wiki/Progressive_enhancement">progressive enhancement</a> as this helps our systems (and a wider range of browsers) see usable content and basic functionality when certain web design features are not yet supported. </li> <li>Pages that render quickly not only help users get to your content easier, but make indexing of those pages more efficient too. We advise you follow the best practices for <a href="https://developers.google.com/web/fundamentals/performance/">page performance optimization</a>, specifically: <ul> <li><a href="https://developers.google.com/web/fundamentals/performance/optimizing-content-efficiency/eliminate-downloads">Eliminate unnecessary downloads</a></li> <li><a href="https://developers.google.com/web/fundamentals/performance/optimizing-content-efficiency/optimize-encoding-and-transfer">Optimize the serving of your CSS and JavaScript files</a> by concatenating (merging) your separate CSS and JavaScript files, minifying the concatenated files, and configuring your web server to serve them compressed (usually gzip compression)</li> </ul></li> <li>Make sure your server can handle the additional load for serving of JavaScript and CSS files to Googlebot.</li> </ul> <h3>Testing and troubleshooting</h3> <p>In conjunction with the launch of our rendering-based indexing, we also updated the <a href="https://support.google.com/webmasters/answer/158587">Fetch and Render as Google</a> feature in Webmaster Tools so webmasters could see how our systems render the page. With it, you'll be able to identify a number of indexing issues: improper robots.txt restrictions, redirects that Googlebot cannot follow, and more.</p> <p>And, as always, if you have any comments or questions, please ask in our <a href="https://productforums.google.com/forum/#!categories/webmasters/">Webmaster Help forum</a>.</p> <span class="byline-author">Posted by <a href="//google.com/+PierreFar?rel=superauthor">Pierre Far</a>, Webmaster Trends Analyst</span></div> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </noscript> </div> </div> <div class='share'> <span class='twitter-custom social-wrapper' data-href='http://twitter.com/share?text=Official Google Webmaster Central Blog:Updating our technical Webmaster Guidelines&url=https://webmasters.googleblog.com/2014/10/updating-our-technical-webmaster.html&via=googlewmc'> <img alt='Share on Twitter' height='24' src='https://www.gstatic.com/images/icons/material/system/2x/post_twitter_black_24dp.png' width='24'/> </span> <span class='fb-custom social-wrapper' data-href='https://www.facebook.com/sharer.php?u=https://webmasters.googleblog.com/2014/10/updating-our-technical-webmaster.html'> <img alt='Share on Facebook' height='24' src='https://www.gstatic.com/images/icons/material/system/2x/post_facebook_black_24dp.png' width='24'/> </span> </div> <div class='post-footer'> <div class='cmt_iframe_holder' data-href='https://webmasters.googleblog.com/2014/10/updating-our-technical-webmaster.html' data-viewtype='FILTERED_POSTMOD'></div> <a href='https://plus.google.com/112374322230920073195' rel='author' style='display:none;'> Google </a> <div class='label-footer'> <span class='labels-caption'> Labels: </span> <span class='labels'> <a class='label' href='https://webmasters.googleblog.com/search/label/crawling%20and%20indexing' rel='tag'> crawling and indexing </a> , <a class='label' href='https://webmasters.googleblog.com/search/label/webmaster%20guidelines' rel='tag'> webmaster guidelines </a> </span> </div> </div> <div class='comments' id='comments'> <a name='comments'></a> <div id='backlinks-container'> <div id='Blog1_backlinks-container'> </div> </div> </div> </div> <div class='blog-pager' id='blog-pager'> <a class='home-link' href='https://webmasters.googleblog.com/'> <i class='material-icons'>  </i> </a> <span id='blog-pager-newer-link'> <a class='blog-pager-newer-link' href='https://webmasters.googleblog.com/2014/10/tracking-mobile-usability-in-webmaster.html' id='Blog1_blog-pager-newer-link' title='Newer Post'> <i class='material-icons'>  </i> </a> </span> <span id='blog-pager-older-link'> <a class='blog-pager-older-link' href='https://webmasters.googleblog.com/2014/10/best-practices-for-xml-sitemaps-rssatom.html' id='Blog1_blog-pager-older-link' title='Older Post'> <i class='material-icons'>  </i> </a> </span> </div> <div class='clear'></div> </div></div> </div> </div> <div class='col-right'> <div class='section' id='sidebar-top'><div class='widget HTML' data-version='1' id='HTML9'> <div class='widget-content'> <a href="https://www.google.com/webmasters/tools/mobile-friendly/?utm_source=wmc-blog&utm_medium=referral&utm_campaign=blog-nav"><img src="https://lh3.googleusercontent.com/-osGJupx0-HY/VQta1nmaAPI/AAAAAAAACfs/UdMPzubsXFk/w80-h1368-no/blog%2Bpromo.png" align="left" width="80" /></a> Hey! <a href="https://search.google.com/test/mobile-friendly">Check here if your site is mobile-friendly.</a> </div> <div class='clear'></div> </div><div class='widget HTML' data-version='1' id='HTML10'> <div class='widget-content'> <div class='searchBox'> <input type='text' title='Search This Blog' placeholder='Search blog ...' /> </div> </div> <div class='clear'></div> </div></div> <div id='aside'> <div class='section' id='sidebar'><div class='widget Label' data-version='1' id='Label1'> <div class='tab'> <img class='sidebar-icon' src='data:image/png;base64,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'/> <h2> Labels </h2> <i class='material-icons arrow'>  </i> </div> <div class='widget-content list-label-widget-content'> <ul> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/accessibility'> accessibility </a> <span dir='ltr'> 10 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/advanced'> advanced </a> <span dir='ltr'> 195 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/AMP'> AMP </a> <span dir='ltr'> 13 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/Android'> Android </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/API'> API </a> <span dir='ltr'> 7 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/apps'> apps </a> <span dir='ltr'> 7 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/autocomplete'> autocomplete </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/beginner'> beginner </a> <span dir='ltr'> 173 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/CAPTCHA'> CAPTCHA </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/Chrome'> Chrome </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/cms'> cms </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/crawling%20and%20indexing'> crawling and indexing </a> <span dir='ltr'> 158 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/encryption'> encryption </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/events'> events </a> <span dir='ltr'> 51 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/feedback%20and%20communication'> feedback and communication </a> <span dir='ltr'> 83 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/forums'> forums </a> <span dir='ltr'> 5 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/general%20tips'> general tips </a> <span dir='ltr'> 90 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/geotargeting'> geotargeting </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/Google%20Assistant'> Google Assistant </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/Google%20I%2FO'> Google I/O </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/Google%20Images'> Google Images </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/Google%20News'> Google News </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/hacked%20sites'> hacked sites </a> <span dir='ltr'> 12 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/hangout'> hangout </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/hreflang'> hreflang </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/https'> https </a> <span dir='ltr'> 5 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/images'> images </a> <span dir='ltr'> 12 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/intermediate'> intermediate </a> <span dir='ltr'> 205 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/interstitials'> interstitials </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/javascript'> javascript </a> <span dir='ltr'> 8 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/job%20search'> job search </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/localization'> localization </a> <span dir='ltr'> 21 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/malware'> malware </a> <span dir='ltr'> 6 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/mobile'> mobile </a> <span dir='ltr'> 63 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/mobile-friendly'> mobile-friendly </a> <span dir='ltr'> 14 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/nohacked'> nohacked </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/performance'> performance </a> <span dir='ltr'> 17 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/product%20expert'> product expert </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/product%20experts'> product experts </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/products%20and%20services'> products and services </a> <span dir='ltr'> 63 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/questions'> questions </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/ranking'> ranking </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/recipes'> recipes </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/rendering'> rendering </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/Responsive%20Web%20Design'> Responsive Web Design </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/rich%20cards'> rich cards </a> <span dir='ltr'> 7 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/rich%20results'> rich results </a> <span dir='ltr'> 10 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/search%20console'> search console </a> <span dir='ltr'> 35 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/search%20for%20beginners'> search for beginners </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/search%20queries'> search queries </a> <span dir='ltr'> 7 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/search%20results'> search results </a> <span dir='ltr'> 140 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/security'> security </a> <span dir='ltr'> 12 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/seo'> seo </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/sitemaps'> sitemaps </a> <span dir='ltr'> 46 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/speed'> speed </a> <span dir='ltr'> 6 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/structured%20data'> structured data </a> <span dir='ltr'> 33 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/summit'> summit </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/TLDs'> TLDs </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/url%20removals'> url removals </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/UX'> UX </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/verification'> verification </a> <span dir='ltr'> 8 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/video'> video </a> <span dir='ltr'> 6 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/webmaster%20community'> webmaster community </a> <span dir='ltr'> 24 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/webmaster%20forum'> webmaster forum </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/webmaster%20guidelines'> webmaster guidelines </a> <span dir='ltr'> 57 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/webmaster%20tools'> webmaster tools </a> <span dir='ltr'> 177 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/webmasters'> webmasters </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://webmasters.googleblog.com/search/label/youtube%20channel'> youtube channel </a> <span dir='ltr'> 6 </span> </li> </ul> <div class='clear'></div> </div> </div><div class='widget BlogArchive' data-version='1' id='BlogArchive1'> <div class='tab'> <i class='material-icons icon'>  </i> <h2> Archive </h2> <i class='material-icons arrow'>  </i> </div> <div class='widget-content'> <div id='ArchiveList'> <div id='BlogArchive1_ArchiveList'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2020/'> 2020 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2020/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2020/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2020/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2020/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2020/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2020/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2020/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2020/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2020/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2020/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2020/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2019/'> 2019 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2019/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2019/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2019/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2019/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2019/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2019/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2019/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2019/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2019/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2019/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2019/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2019/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2018/'> 2018 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2018/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2018/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2018/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2018/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2018/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2018/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2018/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2018/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2018/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2018/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2018/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2018/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2017/'> 2017 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2017/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2017/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2017/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2017/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2017/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2017/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2017/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2017/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2017/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2017/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2017/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2016/'> 2016 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2016/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2016/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2016/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2016/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2016/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2016/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2016/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2016/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2016/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2016/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2015/'> 2015 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2015/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2015/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2015/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2015/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2015/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2015/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2015/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2015/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2015/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2015/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2015/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate expanded'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy toggle-open'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2014/'> 2014 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2014/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2014/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate expanded'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2014/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2014/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2014/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2014/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2014/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2014/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2014/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2014/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2014/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2014/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2013/'> 2013 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2013/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2013/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2013/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2013/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2013/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2013/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2013/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2013/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2013/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2013/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2013/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2013/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2012/'> 2012 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2012/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2012/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2012/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2012/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2012/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2012/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2012/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2012/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2012/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2012/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2012/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2012/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2011/'> 2011 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2011/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2011/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2011/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2011/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2011/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2011/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2011/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2011/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2011/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2011/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2011/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2011/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2010/'> 2010 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2010/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2010/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2010/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2010/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2010/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2010/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2010/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2010/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2010/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2010/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2010/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2010/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2009/'> 2009 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2009/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2009/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2009/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2009/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2009/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2009/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2009/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2009/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2009/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2009/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2009/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2009/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2008/'> 2008 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2008/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2008/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2008/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2008/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2008/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2008/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2008/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2008/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2008/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2008/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2008/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2008/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2007/'> 2007 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2007/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2007/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2007/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2007/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2007/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2007/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2007/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2007/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2007/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2007/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2007/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2007/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2006/'> 2006 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2006/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2006/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2006/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2006/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2006/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> </div> </div> <div class='clear'></div> </div> </div><div class='widget HTML' data-version='1' id='HTML6'> <div class='widget-content'> <a href="https://googlewebmastercentral.blogspot.com/atom.xml"> <img src="data:image/png;base64,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" class="sidebar-icon" /> <h2>Feed</h2> </a> </div> <div class='clear'></div> </div></div> <div class='section' id='sidebar-bottom'><div class='widget HTML' data-version='1' id='HTML5'> <div class='widget-content'> <div class='followgooglewrapper'> <script src="https://apis.google.com/js/plusone.js"></script></div> <div class="g-ytsubscribe class='followgooglewrapper'" data-channel="GoogleWebmasterHelp" data-layout="full"></div> <div class="share followgooglewrapper"> <button data-href="https://twitter.com/intent/follow?original_referer=https://googlewebmastercentral.blogspot.com/&screen_name=googlewmc" onclick='sharingPopup(this);' id='twitter-share'><span class="twitter-follow">Follow @googlewmc</span></button> <script> function sharingPopup (button) { var url = button.getAttribute("data-href"); window.open( url,'popUpWindow','height=500,width=500,left=10,top=10,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,location=no,directories=no,status=yes'); } </script> </div> </div> <div class='clear'></div> </div><div class='widget HTML' data-version='1' id='HTML1'> <div class='widget-content'> Give us feedback in our <a href="https://support.google.com/webmasters/go/community">Product Forums</a>. </div> <div class='clear'></div> </div><div class='widget HTML' data-version='1' id='HTML8'> <h2 class='title'> Subscribe via email </h2> <div class='widget-content'> <form #nsubmit="window.open('https://www.feedburner.com/fb/a/emailverifySubmit?feedId=1092589', 'popupwindow', 'scrollbars=yes,width=550,height=520');return true" action="https://www.feedburner.com/fb/a/emailverify" style="border:1px solid #ccc;padding:3px;text-align:center;" target="popupwindow" method="post"><p>Enter your email address:</p><p><input style="width:140px" name="email" type="text"/></p><input value="https://feeds.feedburner.com/~e?ffid=1092589" name="url" type="hidden"/><input value="Official Google Webmaster Central Blog" name="title" type="hidden"/><input value="en_US" name="loc" type="hidden"/><input value="Subscribe" type="submit"/><p>Delivered by <a href="https://www.feedburner.com" target="_blank">FeedBurner</a></p></form> </div> <div class='clear'></div> </div></div> </div> </div> <div style='clear:both;'></div> </div>  <div class='google-footer-outer loading'> <div id='google-footer'> <a href='//www.google.com/'> <img class='google-logo-dark' height='36' src='data:image/png;base64,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' style='margin-top: -16px;' width='92'/> </a> <ul> <li> <a href='//www.google.com/'> Google </a> </li> <li> <a href='//www.google.com/policies/privacy/'> Privacy </a> </li> <li> <a href='//www.google.com/policies/terms/'> Terms </a> </li> </ul> </div> </div> <script type='text/javascript'> //<![CDATA[ // Social sharing popups. var postEl = document.getElementsByClassName('social-wrapper'); var postCount = postEl.length; for(i=0; i<postCount;i++){ postEl[i].addEventListener("click", function(event){ var postUrl = this.getAttribute("data-href"); window.open( postUrl,'popUpWindow','height=500,width=500,left=10,top=10,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,location=no,directories=no,status=yes'); });} //]]> </script> <script type='text/javascript'> //<![CDATA[ var BreakpointHandler = function() { this.initted = false; this.isHomePage = false; this.isMobile = false; }; BreakpointHandler.prototype.finalizeSummary = function(summaryHtml, lastNode) { // Use $.trim for IE8 compatibility summaryHtml = $.trim(summaryHtml).replace(/(<br>|\s)+$/,''); if (lastNode.nodeType == 3) { var lastChar = summaryHtml.slice(-1); if (!lastChar.match(/[.”"?]/)) { if (!lastChar.match(/[A-Za-z]/)) { summaryHtml = summaryHtml.slice(0, -1); } summaryHtml += ' ...'; } } else if (lastNode.nodeType == 1 && (lastNode.nodeName == 'I' || lastNode.nodeName == 'A')) { summaryHtml += ' ...'; } return summaryHtml; }; BreakpointHandler.prototype.generateSummaryFromContent = function(content, numWords) { var seenWords = 0; var summaryHtml = ''; for (var i=0; i < content.childNodes.length; i++) { var node = content.childNodes[i]; var nodeText; if (node.nodeType == 1) { if (node.hasAttribute('data-about-pullquote')) { continue; } nodeText = node.textContent; if (nodeText === undefined) { // innerText for IE8 nodeText = node.innerText; } if (node.nodeName == 'DIV' || node.nodeName == 'B') { // Don't end early if we haven't seen enough words. if (seenWords < 10) { continue; } if (i > 0) { summaryHtml = this.finalizeSummary(summaryHtml, content.childNodes[i-1]); } break; } summaryHtml += node.outerHTML; } else if (node.nodeType == 3) { nodeText = node.nodeValue; summaryHtml += nodeText + ' '; } var words = nodeText.match(/\S+\s*/g); if (!words) { continue; } var remain = numWords - seenWords; if (words.length >= remain) { summaryHtml = this.finalizeSummary(summaryHtml, node); break; } seenWords += words.length; } return summaryHtml; }; BreakpointHandler.prototype.detect = function() { var match, pl = /\+/g, search = /([^&=]+)=?([^&]*)/g, decode = function (s) { return decodeURIComponent(s.replace(pl, " ")); }, query = window.location.search.substring(1); var urlParams = {}; while (match = search.exec(query)) urlParams[decode(match[1])] = decode(match[2]); this.isListPage = $('html').hasClass('list-page'); this.isMobile = urlParams['m'] === '1'; this.isHomePage = window.location.pathname == '/'; }; BreakpointHandler.prototype.initContent = function() { var self = this; $('.post').each(function(index) { var body = $(this).children('.post-body')[0]; var content = $(body).children('.post-content')[0]; $(content).addClass('post-original'); var data = $(content).children('script').html(); data = self.rewriteForSSL(data); // If exists, extract specified editor's preview. var match = data.match(/([\s\S]+?)<div data-is-preview.+?>([\s\S]+)<\/div>/m); if (match) { data = match[1]; } // Prevent big images from loading when they aren't needed. // This must be done as a pre-injection step, since image loading can't be // canceled once embedded into the DOM. if (self.isListPage && self.isMobile) { data = data.replace(/<(img|iframe) .+?>/g, ''); } // Insert template to be rendered as nodes. content.innerHTML = data; if (self.isListPage) { var summary = document.createElement('div'); $(summary).addClass('post-content'); $(summary).addClass('post-summary'); body.insertBefore(summary, content); if (match) { // Use provided summary. summary.innerHTML = match[2]; } else { // Generate a summary. // Summary generation relies on DOM, so it must occur after content is // inserted into the page. summary.innerHTML = self.generateSummaryFromContent(content, 30); } // Add read more link to summary. var titleAnchor = $(this).find('.title a')[0]; var link = titleAnchor.cloneNode(true); link.innerHTML = 'Read More'; $(link).addClass('read-more'); summary.appendChild(link); } }); // Firefox does not allow for proper styling of BR. if (navigator.userAgent.indexOf('Firefox') > -1) { $('.post-content br').replaceWith('<span class="space"></span>'); } $('.loading').removeClass('loading'); }; BreakpointHandler.prototype.process = function() { if (!this.initted) { var makeInsecureImageRegex = function(hosts) { var whitelist = hosts.join('|').replace(/\./g,'\\.'); // Normal image tags, plus input images (yes, this is possible!) return new RegExp('(<(img|input)[^>]+?src=("|\'))http:\/\/(' + whitelist +')', 'g'); }; this.sslImageRegex = makeInsecureImageRegex(BreakpointHandler.KNOWN_HTTPS_HOSTS); this.sslImageCurrentDomainRegex = makeInsecureImageRegex([window.location.hostname]); this.detect(); this.initContent(); this.initted = true; } }; BreakpointHandler.KNOWN_HTTPS_HOSTS = [ "www.google.org", "www.google.com", "services.google.com", "blogger.com", "draft.blogger.com", "www.blogger.com", "photos1.blogger.com", "photos2.blogger.com", "photos3.blogger.com", "blogblog.com", "img1.blogblog.com", "img2.blogblog.com", "www.blogblog.com", "www1.blogblog.com", "www2.blogblog.com", "0.bp.blogspot.com", "1.bp.blogspot.com", "2.bp.blogspot.com", "3.bp.blogspot.com", "4.bp.blogspot.com", "lh3.googleusercontent.com", "lh4.googleusercontent.com", "lh5.googleusercontent.com", "lh6.googleusercontent.com", "themes.googleusercontent.com", ]; BreakpointHandler.prototype.rewriteForSSL = function(html) { // Handle HTTP -> HTTPS source replacement of images, movies, and other embedded content. return html.replace(this.sslImageRegex, '$1https://$4') .replace(this.sslImageCurrentDomainRegex, '$1//$4') .replace(/(<(embed|iframe)[^>]+?src=("|'))http:\/\/([^"']*?(youtube|picasaweb\.google)\.com)/g, '$1https://$4') // Slideshow SWF takes a image host, so we need to rewrite that parameter. .replace(/(<embed[^>]+?feed=http(?=[^s]))/g, '$1s'); }; $(document).ready(function() { var handler = new BreakpointHandler(); handler.process(); // Top-level navigation. $(".BlogArchive .tab").click(function(ev) { ev.preventDefault(); $(this).parent().toggleClass('active'); $(this).siblings().slideToggle(300); }); $(".Label .tab").click(function(ev) { ev.preventDefault(); $(this).parent().toggleClass('active'); $(this).siblings().slideToggle(300); }); // Blog archive year expansion. $('.BlogArchive .intervalToggle').click(function(ev) { ev.preventDefault(); if ($(this).parent().hasClass('collapsed')) { $(this).parent().removeClass('collapsed'); $(this).parent().addClass('expanded'); } else { $(this).parent().removeClass('expanded'); $(this).parent().addClass('collapsed'); } }); // Reverse order of months. $('.BlogArchive .intervalToggle + div').each(function(_, items) { var year = $(this); year.children().each(function(_, month) { year.prepend(month); }); }); // Set anchors to open in new tab. $('.post-content img').parent().each(function(_, node) { if (node.nodeName == 'A') { $(this).attr('target', '_blank'); } }); // Process search requests. $('.searchBox input').on("keypress", function(ev) { if (ev.which == 13) { window.location.href = 'https://www.google.com/search?q=site%3A' + window.location.hostname + '%20' + encodeURIComponent ($(this).val()); } }); }); //]]> </script> <script type="text/javascript" src="https://www.blogger.com/static/v1/widgets/984859869-widgets.js"></script> <script type='text/javascript'> window['__wavt'] = 'AOuZoY4sojkms4hQWPWWu4fzQ2GUkl5hpw:1732455556900';_WidgetManager._Init('//www.blogger.com/rearrange?blogID\x3d32069983','//webmasters.googleblog.com/2014/10/updating-our-technical-webmaster.html','32069983'); _WidgetManager._SetDataContext([{'name': 'blog', 'data': {'blogId': '32069983', 'title': 'Official Google Webmaster Central Blog', 'url': 'https://webmasters.googleblog.com/2014/10/updating-our-technical-webmaster.html', 'canonicalUrl': 'https://webmasters.googleblog.com/2014/10/updating-our-technical-webmaster.html', 'homepageUrl': 'https://webmasters.googleblog.com/', 'searchUrl': 'https://webmasters.googleblog.com/search', 'canonicalHomepageUrl': 'https://webmasters.googleblog.com/', 'blogspotFaviconUrl': 'https://webmasters.googleblog.com/favicon.ico', 'bloggerUrl': 'https://www.blogger.com', 'hasCustomDomain': true, 'httpsEnabled': true, 'enabledCommentProfileImages': false, 'gPlusViewType': 'FILTERED_POSTMOD', 'adultContent': false, 'analyticsAccountNumber': 'UA-18009-4', 'encoding': 'UTF-8', 'locale': 'en', 'localeUnderscoreDelimited': 'en', 'languageDirection': 'ltr', 'isPrivate': false, 'isMobile': false, 'isMobileRequest': false, 'mobileClass': '', 'isPrivateBlog': false, 'isDynamicViewsAvailable': true, 'feedLinks': '\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22Official Google Webmaster Central Blog - Atom\x22 href\x3d\x22https://webmasters.googleblog.com/feeds/posts/default\x22 /\x3e\n\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/rss+xml\x22 title\x3d\x22Official Google Webmaster Central Blog - RSS\x22 href\x3d\x22https://webmasters.googleblog.com/feeds/posts/default?alt\x3drss\x22 /\x3e\n\x3clink rel\x3d\x22service.post\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22Official Google Webmaster Central Blog - Atom\x22 href\x3d\x22https://www.blogger.com/feeds/32069983/posts/default\x22 /\x3e\n\n\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22Official Google Webmaster Central Blog - Atom\x22 href\x3d\x22https://webmasters.googleblog.com/feeds/753508446834371132/comments/default\x22 /\x3e\n', 'meTag': '', 'adsenseHostId': 'ca-host-pub-1556223355139109', 'adsenseHasAds': false, 'adsenseAutoAds': false, 'boqCommentIframeForm': true, 'loginRedirectParam': '', 'view': '', 'dynamicViewsCommentsSrc': '//www.blogblog.com/dynamicviews/4224c15c4e7c9321/js/comments.js', 'dynamicViewsScriptSrc': '//www.blogblog.com/dynamicviews/d78375fb222d99b3', 'plusOneApiSrc': 'https://apis.google.com/js/platform.js', 'disableGComments': true, 'interstitialAccepted': false, 'sharing': {'platforms': [{'name': 'Get link', 'key': 'link', 'shareMessage': 'Get link', 'target': ''}, {'name': 'Facebook', 'key': 'facebook', 'shareMessage': 'Share to Facebook', 'target': 'facebook'}, {'name': 'BlogThis!', 'key': 'blogThis', 'shareMessage': 'BlogThis!', 'target': 'blog'}, {'name': 'X', 'key': 'twitter', 'shareMessage': 'Share to X', 'target': 'twitter'}, {'name': 'Pinterest', 'key': 'pinterest', 'shareMessage': 'Share to Pinterest', 'target': 'pinterest'}, {'name': 'Email', 'key': 'email', 'shareMessage': 'Email', 'target': 'email'}], 'disableGooglePlus': true, 'googlePlusShareButtonWidth': 0, 'googlePlusBootstrap': '\x3cscript type\x3d\x22text/javascript\x22\x3ewindow.___gcfg \x3d {\x27lang\x27: \x27en\x27};\x3c/script\x3e'}, 'hasCustomJumpLinkMessage': false, 'jumpLinkMessage': 'Read more', 'pageType': 'item', 'postId': '753508446834371132', 'pageName': 'Updating our technical Webmaster Guidelines', 'pageTitle': 'Official Google Webmaster Central Blog: Updating our technical Webmaster Guidelines', 'metaDescription': ''}}, {'name': 'features', 'data': {}}, {'name': 'messages', 'data': {'edit': 'Edit', 'linkCopiedToClipboard': 'Link copied to clipboard!', 'ok': 'Ok', 'postLink': 'Post Link'}}, {'name': 'template', 'data': {'name': 'custom', 'localizedName': 'Custom', 'isResponsive': false, 'isAlternateRendering': false, 'isCustom': true}}, {'name': 'view', 'data': {'classic': {'name': 'classic', 'url': '?view\x3dclassic'}, 'flipcard': {'name': 'flipcard', 'url': '?view\x3dflipcard'}, 'magazine': {'name': 'magazine', 'url': '?view\x3dmagazine'}, 'mosaic': {'name': 'mosaic', 'url': '?view\x3dmosaic'}, 'sidebar': {'name': 'sidebar', 'url': '?view\x3dsidebar'}, 'snapshot': {'name': 'snapshot', 'url': '?view\x3dsnapshot'}, 'timeslide': {'name': 'timeslide', 'url': '?view\x3dtimeslide'}, 'isMobile': false, 'title': 'Updating our technical Webmaster Guidelines', 'description': 'Official news on crawling and indexing sites for the Google index', 'url': 'https://webmasters.googleblog.com/2014/10/updating-our-technical-webmaster.html', 'type': 'item', 'isSingleItem': true, 'isMultipleItems': false, 'isError': false, 'isPage': false, 'isPost': true, 'isHomepage': false, 'isArchive': false, 'isLabelSearch': false, 'postId': 753508446834371132}}]); _WidgetManager._RegisterWidget('_HeaderView', new _WidgetInfo('Header1', 'header', document.getElementById('Header1'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_BlogView', new _WidgetInfo('Blog1', 'main', document.getElementById('Blog1'), {'cmtInteractionsEnabled': false}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML9', 'sidebar-top', document.getElementById('HTML9'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML10', 'sidebar-top', document.getElementById('HTML10'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_LabelView', new _WidgetInfo('Label1', 'sidebar', document.getElementById('Label1'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_BlogArchiveView', new _WidgetInfo('BlogArchive1', 'sidebar', document.getElementById('BlogArchive1'), {'languageDirection': 'ltr', 'loadingMessage': 'Loading\x26hellip;'}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML6', 'sidebar', document.getElementById('HTML6'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML5', 'sidebar-bottom', document.getElementById('HTML5'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML1', 'sidebar-bottom', document.getElementById('HTML1'), {}, 'displayModeFull')); _WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML8', 'sidebar-bottom', document.getElementById('HTML8'), {}, 'displayModeFull')); </script> </body> </html>

CINXE.COM

Official Google Webmaster Central Blog: Updating our technical Webmaster Guidelines