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Official Google Webmaster Central Blog: December 2014

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ga('create', 'UA-18009-4', 'auto', 'blogger'); ga('blogger.send', 'pageview'); </script> <link href='https://www.blogger.com/dyn-css/authorization.css?targetBlogID=32069983&amp;zx=d83547e6-c4f0-4eba-ba01-7f479ec1a577' media='none' onload='if(media!=&#39;all&#39;)media=&#39;all&#39;' rel='stylesheet'/><noscript><link href='https://www.blogger.com/dyn-css/authorization.css?targetBlogID=32069983&amp;zx=d83547e6-c4f0-4eba-ba01-7f479ec1a577' 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> <!-- Header --> <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/?hl=en_US'> <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> <!-- all content wrapper start --> <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='2286682456271755376' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://webmasters.googleblog.com/2014/12/google-public-dns-and-location.html?hl=en_US' itemprop='url' title='Google Public DNS and Location-Sensitive DNS Responses'> Google Public DNS and Location-Sensitive DNS Responses </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> Monday, December 15, 2014 </span> </div> </div> <div class='post-body'> <div class='post-content' itemprop='articleBody'> <script type='text/template'> <p>Webmaster level: advanced</p> <p>Recently the Google Public DNS team, in collaboration with Akamai, reached an important milestone: Google Public DNS now propagates client location information to Akamai nameservers. This effort significantly improves the accuracy of approximately 30% of the location-sensitive DNS responses returned by Google Public DNS. In other words, client requests to Akamai hosted content can be routed to closer servers with lower latency and greater data transfer throughput. Overall, Google Public DNS resolvers serve 400 billion responses per day and more than 50% of them are location-sensitive.</p> <p>DNS is often used by Content Distribution Networks (CDNs) such as Akamai to achieve location-based load balancing by constructing responses based on clients&#8217; IP addresses. However, CDNs usually see the DNS resolvers&#8217; IP address instead of the actual clients&#8217; and are therefore forced to assume that the resolvers are close to the clients. Unfortunately, the assumption is not always true. Many resolvers, especially those open to the Internet at large, are not deployed at every single local network.</p> <p>To solve this issue, a group of DNS and content providers, including Google, <a href="http://googlecode.blogspot.com/2010/01/proposal-to-extend-dns-protocol.html?utm_campaign=locdns-1214&amp;utm_source=gdbc&amp;utm_medium=blog">proposed an approach</a> to allow resolvers to forward the client&#8217;s subnet to CDN nameservers in an extension field in the DNS request. The subnet is a portion of the client&#8217;s IP address, truncated to preserve privacy. The approach is officially named <a href="http://www.afasterinternet.com/ietfdraft.htm">edns-client-subnet</a> or ECS.</p> <p>This solution requires that both resolvers and CDNs adopt the new DNS extension. Google Public DNS resolvers automatically probe to discover ECS-aware nameservers and have observed the footprint of ECS support from CDNs expanding steadily over the past years. By now, more than 4000 nameservers from approximately 300 content providers support ECS. The Google-Akamai collaboration marks a significant milestone in our ongoing efforts to ensure DNS contributes to keeping the Internet fast. We encourage more CDNs to join us by supporting the ECS option.</p> <p>For more information about Google Public DNS, please visit <a href="https://developers.google.com/speed/public-dns?utm_campaign=locdns-1214&amp;utm_source=gdbc&amp;utm_medium=blog">our website</a>. For CDN operators, please also visit &#8220;<a href="http://www.afasterinternet.com/">A Faster Internet</a>&#8221; for more technical details.</p> <br><span class="byline-author">Posted by Yunhong Gu, Tech Lead, Google Public DNS</span> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </script> <noscript> <p>Webmaster level: advanced</p> <p>Recently the Google Public DNS team, in collaboration with Akamai, reached an important milestone: Google Public DNS now propagates client location information to Akamai nameservers. This effort significantly improves the accuracy of approximately 30% of the location-sensitive DNS responses returned by Google Public DNS. In other words, client requests to Akamai hosted content can be routed to closer servers with lower latency and greater data transfer throughput. Overall, Google Public DNS resolvers serve 400 billion responses per day and more than 50% of them are location-sensitive.</p> <p>DNS is often used by Content Distribution Networks (CDNs) such as Akamai to achieve location-based load balancing by constructing responses based on clients&#8217; IP addresses. However, CDNs usually see the DNS resolvers&#8217; IP address instead of the actual clients&#8217; and are therefore forced to assume that the resolvers are close to the clients. Unfortunately, the assumption is not always true. Many resolvers, especially those open to the Internet at large, are not deployed at every single local network.</p> <p>To solve this issue, a group of DNS and content providers, including Google, <a href="http://googlecode.blogspot.com/2010/01/proposal-to-extend-dns-protocol.html?utm_campaign=locdns-1214&amp;utm_source=gdbc&amp;utm_medium=blog">proposed an approach</a> to allow resolvers to forward the client&#8217;s subnet to CDN nameservers in an extension field in the DNS request. The subnet is a portion of the client&#8217;s IP address, truncated to preserve privacy. The approach is officially named <a href="http://www.afasterinternet.com/ietfdraft.htm">edns-client-subnet</a> or ECS.</p> <p>This solution requires that both resolvers and CDNs adopt the new DNS extension. Google Public DNS resolvers automatically probe to discover ECS-aware nameservers and have observed the footprint of ECS support from CDNs expanding steadily over the past years. By now, more than 4000 nameservers from approximately 300 content providers support ECS. The Google-Akamai collaboration marks a significant milestone in our ongoing efforts to ensure DNS contributes to keeping the Internet fast. We encourage more CDNs to join us by supporting the ECS option.</p> <p>For more information about Google Public DNS, please visit <a href="https://developers.google.com/speed/public-dns?utm_campaign=locdns-1214&amp;utm_source=gdbc&amp;utm_medium=blog">our website</a>. For CDN operators, please also visit &#8220;<a href="http://www.afasterinternet.com/">A Faster Internet</a>&#8221; for more technical details.</p> <br><span class="byline-author">Posted by Yunhong Gu, Tech Lead, Google Public DNS</span> <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:Google Public DNS and Location-Sensitive DNS Responses&url=https://webmasters.googleblog.com/2014/12/google-public-dns-and-location.html?hl=en_US&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/2014/12/google-public-dns-and-location.html?hl=en_US'> <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/2014/12/google-public-dns-and-location.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/advanced?hl=en_US' rel='tag'> advanced </a> </span> </div> </div> </div> <div class='post' data-id='4889956120899854939' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://webmasters.googleblog.com/2014/12/the-four-steps-to-appiness.html?hl=en_US' itemprop='url' title='The four steps to appiness '> The four steps to appiness </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> Tuesday, December 09, 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: intermediate to advanced</p> <p><a href="https://developers.google.com/app-indexing/?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">App deep links</a> are the new kid on the block in organic search, and they&#8217;re picking up speed faster than you can say &#8220;schema.org ViewAction&#8221;! For signed-in users, 15% of Google searches on Android now return deep links to apps through App Indexing. And over just the past quarter, we've seen the number of clicks on app deep links jump by 10x.</p> <p>We&#8217;ve gotten a lot of feedback from developers and seen a lot of implementations gone right and others that were good learning experiences since we <a href="http://googlewebmastercentral.blogspot.ch/2014/06/android-app-indexing-is-now-open-for.html?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">opened up App Indexing back in June</a>. We&#8217;d like to share with you four key steps to monitor app performance and drive user engagement:</p> <h3>1. Give your app developer access to Webmaster Tools</h3> <p>App indexing is a team effort between you (as a webmaster) and your app development team. We show information in Webmaster Tools that is key for your app developers to do their job well. Here&#8217;s what&#8217;s available right now: <ul> <li>Errors in indexed pages within apps</li> <li>Weekly clicks and impressions from app deep link via Google search</li> <li>Stats on your sitemap (if that&#8217;s how you implemented the app deep links)</li> </ul> ...and we plan to add a lot more in the coming months!</p> <p>We&#8217;ve noticed that very few developers have access to Webmaster Tools. So if you want your app development team to get all of the information they need to fix app-related issues, it&#8217;s essential for them to have access to Webmaster Tools.</p> <p>Any verified site owner can <a href="https://www.google.com/webmasters/tools/user-admin?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">add a new user</a>. Pick restricted or full permissions, depending on the <a href="https://support.google.com/webmasters/answer/2451999?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">level of access</a> you&#8217;d like to give:</p> <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjteTh3Tn9xTh5tL0DE5KUqhGavjWV1Ot8j9jJHlAMnukd_AVySXlOLZtJV8UbkDdsyDH-B56r-GsBpBLlwgD_PGC1ujmqbwLFhlnVhKFlM_q55LJ1S8OxTpLQR6nssMhahSkB6/s1600/webmaster+tools+add+user.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjteTh3Tn9xTh5tL0DE5KUqhGavjWV1Ot8j9jJHlAMnukd_AVySXlOLZtJV8UbkDdsyDH-B56r-GsBpBLlwgD_PGC1ujmqbwLFhlnVhKFlM_q55LJ1S8OxTpLQR6nssMhahSkB6/s550/webmaster+tools+add+user.png" /></a></div> <h3>2. Understand how your app is doing in search results</h3> <p>How are users engaging with your app from search results? We&#8217;ve introduced two new ways for you to track performance for your app deep links: <ul> <li>We now send a weekly clicks and impressions update to the <a href="https://support.google.com/webmasters/answer/140528?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">Message center</a> in your Webmaster Tools account.</li> <li>You can now track how much traffic app deep links drive to your app using referrer information - specifically, the referrer extra in the <span style="font-family:courier">ACTION_VIEW</span> intent. We're working to integrate this information with Google Analytics for even easier access. Learn <a href="https://developers.google.com/app-indexing/webmasters/referrer?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">how to track referrer information</a> on our Developer site.</li> </ul></p> <h3>3. Make sure key app resources can be crawled</h3> <p>Blocked resources are one of the top reasons for the &#8220;content mismatch&#8221; errors you see in Webmaster Tools&#8217; <a href="https://www.google.com/webmasters/tools/crawl-errors?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">Crawl Errors report</a>. We need access to all the resources necessary to render your app page. This allows us to assess whether your associated web page has the same content as your app page.</p> <p>To help you find and fix these issues, we now show you the specific resources we can&#8217;t access that are critical for rendering your app page. If you see a content mismatch error for your app, look out for the list of blocked resources in &#8220;Step 5&#8221; of the details dialog:</p> <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8Z29aZG8jAt8K1C6BBitgZ_HWr0F8WtxA0qVYNKI38TBv8VsYjn9AC4g3SW3Dl-4o_Pt_m55FAC7a1JPX1giOnjv2nG2Ru94403q0Iod5odmHtf7R5ojm55gsmGB16soQtrPU/s1600/apps+roboted+content.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8Z29aZG8jAt8K1C6BBitgZ_HWr0F8WtxA0qVYNKI38TBv8VsYjn9AC4g3SW3Dl-4o_Pt_m55FAC7a1JPX1giOnjv2nG2Ru94403q0Iod5odmHtf7R5ojm55gsmGB16soQtrPU/s640/apps+roboted+content.png" /></a></div> <h3>4. Watch out for Android App errors</h3> <p>To help you identify errors when indexing your app, we&#8217;ll send you messages for all app errors we detect, and will also display most of them in the &#8220;Android apps&#8221; tab of the <a href="https://www.google.com/webmasters/tools/crawl-errors?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">Crawl errors report</a>.</p> <p>In addition to the currently available &#8220;Content mismatch&#8221; and &#8220;Intent URI not supported&#8221; error alerts, we&#8217;re introducing three new error types: <ul> <li><strong>APK not found</strong>: we can&#8217;t find the package corresponding to the app.</li> <li><strong>No <a href="http://googlewebmastercentral.blogspot.com/2008/10/first-click-free-for-web-search.html?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">first-click free</a></strong>: the link to your app does not lead directly to the content, but requires login to access.</li> <li><strong>Back button violation</strong>: after following the link to your app, the back button did not return to search results.</li> </ul></p> <p>In our experience, the majority of errors are usually caused by a general setting in your app (e.g. a blocked resource, or a region picker that pops up when the user tries to open the app from search). Taking care of that generally resolves it for all involved URIs.</p> <p>Good luck in the pursuit of appiness! As always, if you have questions, feel free to drop by our <a href="https://support.google.com/webmasters/go/community">Webmaster help forum</a>.</p> <span class="byline-author">Posted by <a href="//google.com/+MariyaMoeva?rel=app-indexing-enthusiast">Mariya Moeva</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: intermediate to advanced</p> <p><a href="https://developers.google.com/app-indexing/?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">App deep links</a> are the new kid on the block in organic search, and they&#8217;re picking up speed faster than you can say &#8220;schema.org ViewAction&#8221;! For signed-in users, 15% of Google searches on Android now return deep links to apps through App Indexing. And over just the past quarter, we've seen the number of clicks on app deep links jump by 10x.</p> <p>We&#8217;ve gotten a lot of feedback from developers and seen a lot of implementations gone right and others that were good learning experiences since we <a href="http://googlewebmastercentral.blogspot.ch/2014/06/android-app-indexing-is-now-open-for.html?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">opened up App Indexing back in June</a>. We&#8217;d like to share with you four key steps to monitor app performance and drive user engagement:</p> <h3>1. Give your app developer access to Webmaster Tools</h3> <p>App indexing is a team effort between you (as a webmaster) and your app development team. We show information in Webmaster Tools that is key for your app developers to do their job well. Here&#8217;s what&#8217;s available right now: <ul> <li>Errors in indexed pages within apps</li> <li>Weekly clicks and impressions from app deep link via Google search</li> <li>Stats on your sitemap (if that&#8217;s how you implemented the app deep links)</li> </ul> ...and we plan to add a lot more in the coming months!</p> <p>We&#8217;ve noticed that very few developers have access to Webmaster Tools. So if you want your app development team to get all of the information they need to fix app-related issues, it&#8217;s essential for them to have access to Webmaster Tools.</p> <p>Any verified site owner can <a href="https://www.google.com/webmasters/tools/user-admin?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">add a new user</a>. Pick restricted or full permissions, depending on the <a href="https://support.google.com/webmasters/answer/2451999?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">level of access</a> you&#8217;d like to give:</p> <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjteTh3Tn9xTh5tL0DE5KUqhGavjWV1Ot8j9jJHlAMnukd_AVySXlOLZtJV8UbkDdsyDH-B56r-GsBpBLlwgD_PGC1ujmqbwLFhlnVhKFlM_q55LJ1S8OxTpLQR6nssMhahSkB6/s1600/webmaster+tools+add+user.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjteTh3Tn9xTh5tL0DE5KUqhGavjWV1Ot8j9jJHlAMnukd_AVySXlOLZtJV8UbkDdsyDH-B56r-GsBpBLlwgD_PGC1ujmqbwLFhlnVhKFlM_q55LJ1S8OxTpLQR6nssMhahSkB6/s550/webmaster+tools+add+user.png" /></a></div> <h3>2. Understand how your app is doing in search results</h3> <p>How are users engaging with your app from search results? We&#8217;ve introduced two new ways for you to track performance for your app deep links: <ul> <li>We now send a weekly clicks and impressions update to the <a href="https://support.google.com/webmasters/answer/140528?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">Message center</a> in your Webmaster Tools account.</li> <li>You can now track how much traffic app deep links drive to your app using referrer information - specifically, the referrer extra in the <span style="font-family:courier">ACTION_VIEW</span> intent. We're working to integrate this information with Google Analytics for even easier access. Learn <a href="https://developers.google.com/app-indexing/webmasters/referrer?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">how to track referrer information</a> on our Developer site.</li> </ul></p> <h3>3. Make sure key app resources can be crawled</h3> <p>Blocked resources are one of the top reasons for the &#8220;content mismatch&#8221; errors you see in Webmaster Tools&#8217; <a href="https://www.google.com/webmasters/tools/crawl-errors?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">Crawl Errors report</a>. We need access to all the resources necessary to render your app page. This allows us to assess whether your associated web page has the same content as your app page.</p> <p>To help you find and fix these issues, we now show you the specific resources we can&#8217;t access that are critical for rendering your app page. If you see a content mismatch error for your app, look out for the list of blocked resources in &#8220;Step 5&#8221; of the details dialog:</p> <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8Z29aZG8jAt8K1C6BBitgZ_HWr0F8WtxA0qVYNKI38TBv8VsYjn9AC4g3SW3Dl-4o_Pt_m55FAC7a1JPX1giOnjv2nG2Ru94403q0Iod5odmHtf7R5ojm55gsmGB16soQtrPU/s1600/apps+roboted+content.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8Z29aZG8jAt8K1C6BBitgZ_HWr0F8WtxA0qVYNKI38TBv8VsYjn9AC4g3SW3Dl-4o_Pt_m55FAC7a1JPX1giOnjv2nG2Ru94403q0Iod5odmHtf7R5ojm55gsmGB16soQtrPU/s640/apps+roboted+content.png" /></a></div> <h3>4. Watch out for Android App errors</h3> <p>To help you identify errors when indexing your app, we&#8217;ll send you messages for all app errors we detect, and will also display most of them in the &#8220;Android apps&#8221; tab of the <a href="https://www.google.com/webmasters/tools/crawl-errors?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">Crawl errors report</a>.</p> <p>In addition to the currently available &#8220;Content mismatch&#8221; and &#8220;Intent URI not supported&#8221; error alerts, we&#8217;re introducing three new error types: <ul> <li><strong>APK not found</strong>: we can&#8217;t find the package corresponding to the app.</li> <li><strong>No <a href="http://googlewebmastercentral.blogspot.com/2008/10/first-click-free-for-web-search.html?utm_source=wmc-blog&utm_medium=direct&utm_campaign=appiness-2014-12-09">first-click free</a></strong>: the link to your app does not lead directly to the content, but requires login to access.</li> <li><strong>Back button violation</strong>: after following the link to your app, the back button did not return to search results.</li> </ul></p> <p>In our experience, the majority of errors are usually caused by a general setting in your app (e.g. a blocked resource, or a region picker that pops up when the user tries to open the app from search). Taking care of that generally resolves it for all involved URIs.</p> <p>Good luck in the pursuit of appiness! As always, if you have questions, feel free to drop by our <a href="https://support.google.com/webmasters/go/community">Webmaster help forum</a>.</p> <span class="byline-author">Posted by <a href="//google.com/+MariyaMoeva?rel=app-indexing-enthusiast">Mariya Moeva</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:The four steps to appiness &url=https://webmasters.googleblog.com/2014/12/the-four-steps-to-appiness.html?hl=en_US&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/2014/12/the-four-steps-to-appiness.html?hl=en_US'> <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/2014/12/the-four-steps-to-appiness.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/advanced?hl=en_US' rel='tag'> advanced </a> , <a class='label' href='https://webmasters.googleblog.com/search/label/apps?hl=en_US' rel='tag'> apps </a> , <a class='label' href='https://webmasters.googleblog.com/search/label/crawling%20and%20indexing?hl=en_US' rel='tag'> crawling and indexing </a> , <a class='label' href='https://webmasters.googleblog.com/search/label/feedback%20and%20communication?hl=en_US' rel='tag'> feedback and communication </a> , <a class='label' href='https://webmasters.googleblog.com/search/label/intermediate?hl=en_US' rel='tag'> intermediate </a> , <a class='label' href='https://webmasters.googleblog.com/search/label/verification?hl=en_US' rel='tag'> verification </a> , <a class='label' href='https://webmasters.googleblog.com/search/label/webmaster%20tools?hl=en_US' rel='tag'> webmaster tools </a> </span> </div> </div> </div> <div class='post' data-id='9061039975879024791' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://webmasters.googleblog.com/2014/12/are-you-robot-introducing-no-captcha.html?hl=en_US' itemprop='url' title='Are you a robot? Introducing “No CAPTCHA reCAPTCHA”'> Are you a robot? Introducing &#8220;No CAPTCHA reCAPTCHA&#8221; </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> Wednesday, December 03, 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"> <a href="https://www.google.com/recaptcha">reCAPTCHA</a> protects the websites you love from spam and abuse. So, when you go online&#8212;say, for some last-minute holiday shopping&#8212;you won't be competing with robots and abusive scripts to access sites. For years, we&#8217;ve prompted users to confirm they aren&#8217;t robots by asking them to read distorted text and type it into a box, like this:<br /> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHp_fd-sGP5oUrTNB_L7NilL62cvIXUr46AVsGZf2CY77bt00ixrBhsZn9mOHXgdco87UXD9A28r1gcnat2tQ3N14kJyOiK_psG7cq5ltoV1tAtuW54hMFAR73NqEDz50x2aYPkA/s1600/reCAPTCHA_OldAPI.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center;"><img border="0" height="130" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHp_fd-sGP5oUrTNB_L7NilL62cvIXUr46AVsGZf2CY77bt00ixrBhsZn9mOHXgdco87UXD9A28r1gcnat2tQ3N14kJyOiK_psG7cq5ltoV1tAtuW54hMFAR73NqEDz50x2aYPkA/s1600/reCAPTCHA_OldAPI.png" width="320" /></a></div> But, we figured it would be easier to just directly ask our users whether or not they are robots&#8212;so, we did! We&#8217;ve begun rolling out a new API that radically simplifies the reCAPTCHA experience. We&#8217;re calling it the &#8220;No CAPTCHA reCAPTCHA&#8221; and this is how it looks:<br /> <div class="separator" style="clear: both; text-align: center;"> </div> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNQf_1q3HUZVFuQJmrPw1JkUVRgQ6uTSfRoszjmca3r9R-KkegACzaUCq6xH1F90wHRYlElIjMtqMfOvSMGBJ9fU2LncoRLQc4cqzfUy-DbbcPn4xJTMb8TQnOzyRm2jgsGnQB0w/s1600/Recaptcha_anchor@2x.gif" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="106" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNQf_1q3HUZVFuQJmrPw1JkUVRgQ6uTSfRoszjmca3r9R-KkegACzaUCq6xH1F90wHRYlElIjMtqMfOvSMGBJ9fU2LncoRLQc4cqzfUy-DbbcPn4xJTMb8TQnOzyRm2jgsGnQB0w/s1600/Recaptcha_anchor@2x.gif" width="400" /></a></div> On websites using this new API, a significant number of users will be able to securely and easily verify they&#8217;re human without actually having to solve a CAPTCHA. Instead, with just a single click, they&#8217;ll confirm they are not a robot.<br /> <div style="text-align: center;"> <iframe allowfullscreen="" frameborder="0" height="315" src="//www.youtube.com/embed/jwslDn3ImM0" width="560"></iframe></div> <b>A brief history of CAPTCHAs&nbsp;</b><br /> <br /> While the new reCAPTCHA API may sound simple, there is a high degree of sophistication behind that modest checkbox. CAPTCHAs have long relied on the inability of robots to solve distorted text. However, <a href="http://googleonlinesecurity.blogspot.com/2014/04/street-view-and-recaptcha-technology.html">our research recently showed</a> that today&#8217;s Artificial Intelligence technology can solve even the most difficult variant of distorted text at 99.8% accuracy. Thus distorted text, on its own, is no longer a dependable test.<br /> <br /> To counter this, last year we <a href="http://googleonlinesecurity.blogspot.com/2013/10/recaptcha-just-got-easier-but-only-if.html">developed</a> an Advanced Risk Analysis backend for reCAPTCHA that actively considers a user&#8217;s entire engagement with the CAPTCHA&#8212;before, during, and after&#8212;to determine whether that user is a human. This enables us to rely less on typing distorted text and, in turn, offer a better experience for users. &nbsp;We talked about this in our <a href="http://googleonlinesecurity.blogspot.com/2014/02/captchas-that-capture-your-heart.html">Valentine&#8217;s Day post</a> earlier this year.<br /> <br /> The new API is the next step in this steady evolution. Now, humans can just check the box and in most cases, they&#8217;re through the challenge.<br /> <br /> <b>Are you <i>sure</i> you&#8217;re not a robot?</b><br /> <br /> However, CAPTCHAs aren't going away just yet. In cases when the risk analysis engine can't confidently predict whether a user is a human or an abusive agent, it will prompt a CAPTCHA to elicit more cues, increasing the number of security checkpoints to confirm the user is valid.<br /> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikWH1g7oFDVD9-G4npS4glukAnaI3nyxP_8OvB5RhZK6SoAkmnjKYpUciHJ9whKjvfJSiZHLthVPXkqT87DuXeb1o4XnK4fzckTfD-cM7aHhG1KWJ9d32M0Yrx-BvoDMRYfBPlhw/s1600/CAPTCHA.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikWH1g7oFDVD9-G4npS4glukAnaI3nyxP_8OvB5RhZK6SoAkmnjKYpUciHJ9whKjvfJSiZHLthVPXkqT87DuXeb1o4XnK4fzckTfD-cM7aHhG1KWJ9d32M0Yrx-BvoDMRYfBPlhw/s1600/CAPTCHA.png" width="400" /></a></div> <b>Making reCAPTCHAs mobile-friendly</b><br /> <br /> This new API also lets us experiment with new types of challenges that are easier for us humans to use, particularly on mobile devices. In the example below, you can see a CAPTCHA based on a classic <a href="http://en.wikipedia.org/wiki/Computer_vision">Computer Vision</a> problem of image labeling. In this version of the CAPTCHA challenge, you&#8217;re asked to select all of the images that correspond with the clue. It's much easier to tap photos of cats or turkeys than to tediously type a line of distorted text on your phone.<br /> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiioqHj5r_yx3VXDXmvzU-dXX8y9V2Huv1ldIeBlPflGskoWmdhOZ2p9bBcI1wjWw3JsDb43Oh0eZ7255eIcIB3Q2e7w9iytDqFAcPlODFjhOOZRnG6z2wKX7pC_mGetEVxMFSlKA/s1600/turkey_captcha.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiioqHj5r_yx3VXDXmvzU-dXX8y9V2Huv1ldIeBlPflGskoWmdhOZ2p9bBcI1wjWw3JsDb43Oh0eZ7255eIcIB3Q2e7w9iytDqFAcPlODFjhOOZRnG6z2wKX7pC_mGetEVxMFSlKA/s1600/turkey_captcha.png" width="300" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3y-q-EGH0r_UJ2udpZ7p1A9q4r_hodkgtUtGyucElrSXD4nlrFJuP7QPeKfrAa1lk5IbD3If9P6ziKFFJ-9rBZjeYLE4Efhwxy7HrwiNeqobuCVXfKK4kv5im_8Bnp0eHdo8bSQ/s1600/cat_captcha.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3y-q-EGH0r_UJ2udpZ7p1A9q4r_hodkgtUtGyucElrSXD4nlrFJuP7QPeKfrAa1lk5IbD3If9P6ziKFFJ-9rBZjeYLE4Efhwxy7HrwiNeqobuCVXfKK4kv5im_8Bnp0eHdo8bSQ/s1600/cat_captcha.png" width="300" /></a></div> <div class="separator" style="clear: both; text-align: left;"> <b>Adopting the new API on your site</b></div> <br /> As more websites adopt the new API, more people will see "No CAPTCHA reCAPTCHAs". &nbsp;Early adopters, like&nbsp;<a href="https://support.snapchat.com/login2?next=/">Snapchat</a>, <a href="https://wordpress.org/support/register.php">WordPress</a>, <a href="https://www.humblebundle.com/">Humble Bundle</a>, and several others are already seeing great results with this new API. For example, in the last week, more than 60% of WordPress&#8217; traffic and more than 80% of Humble Bundle&#8217;s traffic on reCAPTCHA encountered the No CAPTCHA experience&#8212;users got to these sites faster. To adopt the new reCAPTCHA for your website, <a href="https://www.google.com/recaptcha">visit our site</a> to learn more.<br /> <br /> Humans, we'll continue our work to keep the Internet safe and easy to use. Abusive bots and scripts, it&#8217;ll only get worse&#8212;sorry we&#8217;re (still) not sorry. <br><br> <span class="byline-author">Posted by Vinay Shet, Product Manager, reCAPTCHA</span><br /> </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"> <a href="https://www.google.com/recaptcha">reCAPTCHA</a> protects the websites you love from spam and abuse. So, when you go online&#8212;say, for some last-minute holiday shopping&#8212;you won't be competing with robots and abusive scripts to access sites. For years, we&#8217;ve prompted users to confirm they aren&#8217;t robots by asking them to read distorted text and type it into a box, like this:<br /> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHp_fd-sGP5oUrTNB_L7NilL62cvIXUr46AVsGZf2CY77bt00ixrBhsZn9mOHXgdco87UXD9A28r1gcnat2tQ3N14kJyOiK_psG7cq5ltoV1tAtuW54hMFAR73NqEDz50x2aYPkA/s1600/reCAPTCHA_OldAPI.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center;"><img border="0" height="130" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHp_fd-sGP5oUrTNB_L7NilL62cvIXUr46AVsGZf2CY77bt00ixrBhsZn9mOHXgdco87UXD9A28r1gcnat2tQ3N14kJyOiK_psG7cq5ltoV1tAtuW54hMFAR73NqEDz50x2aYPkA/s1600/reCAPTCHA_OldAPI.png" width="320" /></a></div> But, we figured it would be easier to just directly ask our users whether or not they are robots&#8212;so, we did! We&#8217;ve begun rolling out a new API that radically simplifies the reCAPTCHA experience. We&#8217;re calling it the &#8220;No CAPTCHA reCAPTCHA&#8221; and this is how it looks:<br /> <div class="separator" style="clear: both; text-align: center;"> </div> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNQf_1q3HUZVFuQJmrPw1JkUVRgQ6uTSfRoszjmca3r9R-KkegACzaUCq6xH1F90wHRYlElIjMtqMfOvSMGBJ9fU2LncoRLQc4cqzfUy-DbbcPn4xJTMb8TQnOzyRm2jgsGnQB0w/s1600/Recaptcha_anchor@2x.gif" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="106" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNQf_1q3HUZVFuQJmrPw1JkUVRgQ6uTSfRoszjmca3r9R-KkegACzaUCq6xH1F90wHRYlElIjMtqMfOvSMGBJ9fU2LncoRLQc4cqzfUy-DbbcPn4xJTMb8TQnOzyRm2jgsGnQB0w/s1600/Recaptcha_anchor@2x.gif" width="400" /></a></div> On websites using this new API, a significant number of users will be able to securely and easily verify they&#8217;re human without actually having to solve a CAPTCHA. Instead, with just a single click, they&#8217;ll confirm they are not a robot.<br /> <div style="text-align: center;"> <iframe allowfullscreen="" frameborder="0" height="315" src="//www.youtube.com/embed/jwslDn3ImM0" width="560"></iframe></div> <b>A brief history of CAPTCHAs&nbsp;</b><br /> <br /> While the new reCAPTCHA API may sound simple, there is a high degree of sophistication behind that modest checkbox. CAPTCHAs have long relied on the inability of robots to solve distorted text. However, <a href="http://googleonlinesecurity.blogspot.com/2014/04/street-view-and-recaptcha-technology.html">our research recently showed</a> that today&#8217;s Artificial Intelligence technology can solve even the most difficult variant of distorted text at 99.8% accuracy. Thus distorted text, on its own, is no longer a dependable test.<br /> <br /> To counter this, last year we <a href="http://googleonlinesecurity.blogspot.com/2013/10/recaptcha-just-got-easier-but-only-if.html">developed</a> an Advanced Risk Analysis backend for reCAPTCHA that actively considers a user&#8217;s entire engagement with the CAPTCHA&#8212;before, during, and after&#8212;to determine whether that user is a human. This enables us to rely less on typing distorted text and, in turn, offer a better experience for users. &nbsp;We talked about this in our <a href="http://googleonlinesecurity.blogspot.com/2014/02/captchas-that-capture-your-heart.html">Valentine&#8217;s Day post</a> earlier this year.<br /> <br /> The new API is the next step in this steady evolution. Now, humans can just check the box and in most cases, they&#8217;re through the challenge.<br /> <br /> <b>Are you <i>sure</i> you&#8217;re not a robot?</b><br /> <br /> However, CAPTCHAs aren't going away just yet. In cases when the risk analysis engine can't confidently predict whether a user is a human or an abusive agent, it will prompt a CAPTCHA to elicit more cues, increasing the number of security checkpoints to confirm the user is valid.<br /> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikWH1g7oFDVD9-G4npS4glukAnaI3nyxP_8OvB5RhZK6SoAkmnjKYpUciHJ9whKjvfJSiZHLthVPXkqT87DuXeb1o4XnK4fzckTfD-cM7aHhG1KWJ9d32M0Yrx-BvoDMRYfBPlhw/s1600/CAPTCHA.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikWH1g7oFDVD9-G4npS4glukAnaI3nyxP_8OvB5RhZK6SoAkmnjKYpUciHJ9whKjvfJSiZHLthVPXkqT87DuXeb1o4XnK4fzckTfD-cM7aHhG1KWJ9d32M0Yrx-BvoDMRYfBPlhw/s1600/CAPTCHA.png" width="400" /></a></div> <b>Making reCAPTCHAs mobile-friendly</b><br /> <br /> This new API also lets us experiment with new types of challenges that are easier for us humans to use, particularly on mobile devices. In the example below, you can see a CAPTCHA based on a classic <a href="http://en.wikipedia.org/wiki/Computer_vision">Computer Vision</a> problem of image labeling. In this version of the CAPTCHA challenge, you&#8217;re asked to select all of the images that correspond with the clue. It's much easier to tap photos of cats or turkeys than to tediously type a line of distorted text on your phone.<br /> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiioqHj5r_yx3VXDXmvzU-dXX8y9V2Huv1ldIeBlPflGskoWmdhOZ2p9bBcI1wjWw3JsDb43Oh0eZ7255eIcIB3Q2e7w9iytDqFAcPlODFjhOOZRnG6z2wKX7pC_mGetEVxMFSlKA/s1600/turkey_captcha.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiioqHj5r_yx3VXDXmvzU-dXX8y9V2Huv1ldIeBlPflGskoWmdhOZ2p9bBcI1wjWw3JsDb43Oh0eZ7255eIcIB3Q2e7w9iytDqFAcPlODFjhOOZRnG6z2wKX7pC_mGetEVxMFSlKA/s1600/turkey_captcha.png" width="300" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3y-q-EGH0r_UJ2udpZ7p1A9q4r_hodkgtUtGyucElrSXD4nlrFJuP7QPeKfrAa1lk5IbD3If9P6ziKFFJ-9rBZjeYLE4Efhwxy7HrwiNeqobuCVXfKK4kv5im_8Bnp0eHdo8bSQ/s1600/cat_captcha.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3y-q-EGH0r_UJ2udpZ7p1A9q4r_hodkgtUtGyucElrSXD4nlrFJuP7QPeKfrAa1lk5IbD3If9P6ziKFFJ-9rBZjeYLE4Efhwxy7HrwiNeqobuCVXfKK4kv5im_8Bnp0eHdo8bSQ/s1600/cat_captcha.png" width="300" /></a></div> <div class="separator" style="clear: both; text-align: left;"> <b>Adopting the new API on your site</b></div> <br /> As more websites adopt the new API, more people will see "No CAPTCHA reCAPTCHAs". &nbsp;Early adopters, like&nbsp;<a href="https://support.snapchat.com/login2?next=/">Snapchat</a>, <a href="https://wordpress.org/support/register.php">WordPress</a>, <a href="https://www.humblebundle.com/">Humble Bundle</a>, and several others are already seeing great results with this new API. For example, in the last week, more than 60% of WordPress&#8217; traffic and more than 80% of Humble Bundle&#8217;s traffic on reCAPTCHA encountered the No CAPTCHA experience&#8212;users got to these sites faster. To adopt the new reCAPTCHA for your website, <a href="https://www.google.com/recaptcha">visit our site</a> to learn more.<br /> <br /> Humans, we'll continue our work to keep the Internet safe and easy to use. Abusive bots and scripts, it&#8217;ll only get worse&#8212;sorry we&#8217;re (still) not sorry. <br><br> <span class="byline-author">Posted by Vinay Shet, Product Manager, reCAPTCHA</span><br /> </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:Are you a robot? 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class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2018/10/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> Jun 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class='post-count-link' href='https://webmasters.googleblog.com/2018/01/?hl=en_US'> 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'> &#58821; </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'> &#58821; </i> &#160; </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2017/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> Nov 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class='post-count-link' href='https://webmasters.googleblog.com/2017/05/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> Jan </a> </div> <div class='items'> </div> </li> </ul> 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class='post-count-link' href='https://webmasters.googleblog.com/2016/10/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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'> &#58821; </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'> &#58821; </i> &#160; 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class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2015/08/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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'> &#58821; </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy toggle-open'> <i class='material-icons'> &#58823; </i> &#160; </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2014/?hl=en_US'> 2014 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate expanded'> <div class=''> <a class='post-count-link' href='https://webmasters.googleblog.com/2014/12/?hl=en_US'> 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/?hl=en_US'> 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/2014/10/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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'> &#58821; </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'> &#58821; </i> &#160; </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2013/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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'> &#58821; </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'> &#58821; </i> &#160; </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2012/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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'> &#58821; </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'> &#58821; </i> &#160; </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2011/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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'> &#58821; </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'> &#58821; </i> &#160; </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2010/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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'> &#58821; </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'> &#58821; </i> &#160; </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2009/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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'> &#58821; </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'> &#58821; </i> &#160; </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2008/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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'> &#58821; </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'> &#58821; </i> &#160; </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2007/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> 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</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/?hl=en_US'> 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'> &#58821; </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'> &#58821; </i> &#160; </span> </a> <a class='post-count-link' href='https://webmasters.googleblog.com/2006/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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/?hl=en_US'> 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 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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 = 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