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} .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%; position: initial; top: inherit; margin-top: 0; -webkit-transform: initial; transform: initial; } .header-title { margin-top: 18px; } .header-inner { height: auto; margin-bottom: 32px; margin-top: 32px; } .header-desc { margin-top: 12px; } .header-inner .google-logo { height: 70px; margin-top: 3px; } .header-inner .google-logo img { height: 70px; } .header-title h2 { font-size: 32px; 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//]]> </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://blog.chromium.org/'> <img alt="Chromium Blog" height="50" src="//1.bp.blogspot.com/-vkF7AFJOwBk/VkQxeAGi1mI/AAAAAAAARYo/57denvsQ8zA/s1600-r/logo_chromium.png"> </a> <a href='/.'> <h2> Chromium Blog </h2> </a> </div> <div class='header-desc'> News and developments from the open source browser project </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='3822991944597642550' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://blog.chromium.org/2012/05/changes-to-field-trials-infrastructure.html' itemprop='url' title='Changes to the Field Trials infrastructure'> Changes to the Field Trials infrastructure </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> Friday, May 25, 2012 </span> </div> </div> <div class='post-body'> <div class='post-content' itemprop='articleBody'> <script type='text/template'> <a href="https://www.google.com/search?q=yogi+berra">In theory there’s no difference between theory and practice. In practice, there is</a>. That’s why we prefer to try <a href="http://googleblog.blogspot.com/2006/04/this-is-test-this-is-only-test.html">new ideas out in the real world</a> and see which features actually helped users get where they want to go. In Chrome we call these tests Field Trials, and they’ve been part of every install steadily making Chrome better since day one. For example, Field Trials helped us improve our Omnibox pre-rendering by about 70 percent - making about 1 in 3 Omnibox navigations faster by a second or more.<br /> <br /> If you’re <a href="http://www.chromium.org/developers/core-principles">contributing to Chrome</a>, you should consider using Field Trials to help tune your features. Recently we’ve added infrastructure to help make designing and deploying these tests easier than ever. Field Trials will now have a regular update cycle similar to the one that delivers the newest version of Chrome to users, making it easier to rapidly release and retire new variations. We’ve also centralized the logic of which variations are active so that its easy for developers on M21 or higher to reset their variation state, using the --reset-variation-state command line flag. To learn more about variations of Chrome, check out <a href="https://src.chromium.org/viewvc/chrome/trunk/src/base/metrics/field_trial.h?view=markup">Field Trials</a> at the Chromium project.<br /> <br />  <span class="post-author">Posted by Tyler Odean, Product Manager </span> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </script> <noscript> <a href="https://www.google.com/search?q=yogi+berra">In theory there’s no difference between theory and practice. In practice, there is</a>. That’s why we prefer to try <a href="http://googleblog.blogspot.com/2006/04/this-is-test-this-is-only-test.html">new ideas out in the real world</a> and see which features actually helped users get where they want to go. In Chrome we call these tests Field Trials, and they’ve been part of every install steadily making Chrome better since day one. For example, Field Trials helped us improve our Omnibox pre-rendering by about 70 percent - making about 1 in 3 Omnibox navigations faster by a second or more.<br /> <br /> If you’re <a href="http://www.chromium.org/developers/core-principles">contributing to Chrome</a>, you should consider using Field Trials to help tune your features. Recently we’ve added infrastructure to help make designing and deploying these tests easier than ever. Field Trials will now have a regular update cycle similar to the one that delivers the newest version of Chrome to users, making it easier to rapidly release and retire new variations. We’ve also centralized the logic of which variations are active so that its easy for developers on M21 or higher to reset their variation state, using the --reset-variation-state command line flag. To learn more about variations of Chrome, check out <a href="https://src.chromium.org/viewvc/chrome/trunk/src/base/metrics/field_trial.h?view=markup">Field Trials</a> at the Chromium project.<br /> <br />  <span class="post-author">Posted by Tyler Odean, Product Manager </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=Chromium Blog:Changes to the Field Trials infrastructure&url=https://blog.chromium.org/2012/05/changes-to-field-trials-infrastructure.html&via=ChromiumDev'> <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://blog.chromium.org/2012/05/changes-to-field-trials-infrastructure.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://blog.chromium.org/2012/05/changes-to-field-trials-infrastructure.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://blog.chromium.org/search/label/chromium' rel='tag'> chromium </a> </span> </div> </div> </div> <div class='post' data-id='4416998492526601334' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://blog.chromium.org/2012/05/tale-of-two-pwnies-part-1.html' itemprop='url' title='A Tale of Two Pwnies (Part 1)'> A Tale of Two Pwnies (Part 1) </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> Tuesday, May 22, 2012 </span> </div> </div> <div class='post-body'> <div class='post-content' itemprop='articleBody'> <script type='text/template'> Just over two months ago, Chrome sponsored the <a href="http://blog.chromium.org/2012/02/pwnium-rewards-for-exploits.html">Pwnium</a> browser hacking competition. We had <a href="http://chrome.blogspot.com/2012/03/pwnium-great-exploits-fast-patches.html">two fantastic submissions</a>, and successfully blocked both exploits within 24 hours of their unveiling. Today, we’d like to offer an inside look into the exploit submitted by <a href="http://arstechnica.com/business/2012/03/googles-chrome-browser-on-friday/">Pinkie Pie</a>.<br /> <br /> So, how does one get full remote code execution in Chrome? In the case of Pinkie Pie’s exploit, it took a chain of six different bugs in order to successfully break out of the Chrome sandbox.<br /> <br /> Pinkie’s first bug (<a href="http://code.google.com/p/chromium/issues/detail?id=117620">117620</a>) used Chrome’s prerendering feature to load a <a href="https://developers.google.com/native-client/">Native Client</a> module on a web page. <a href="https://developers.google.com/chrome/whitepapers/prerender">Prerendering</a> is a performance optimization that lets a site provide hints for Chrome to fetch and render a page before the user navigates to it, making page loads seem instantaneous. To avoid sound and other nuisances from preloaded pages, the prerenderer blocks plug-ins from running until the user chooses to navigate to the page. Pinkie discovered that navigating to a pre-rendered page would inadvertently run all plug-ins—even Native Client plug-ins, which are otherwise permitted only for installed extensions and apps.<br /> <br /> Of course, getting a Native Client plug-in to execute doesn’t buy much, because the Native Client process’ sandbox is even more restrictive than Chrome’s sandbox for HTML content. What Native Client does provide, however, is a low-level interface to the <a href="http://www.chromium.org/developers/design-documents/gpu-command-buffer">GPU command buffers</a>, which are used to communicate accelerated graphics operations to the GPU process. This allowed Pinkie to craft a special command buffer to exploit the following integer underflow bug (<a href="http://code.google.com/p/chromium/issues/detail?id=117656">117656</a>) in the GPU command decoding:<br /> <br /> <div style="text-align: center;"> <span class="Apple-style-span" style="font-family: 'Courier New', Courier, monospace;">static uint32 ComputeMaxResults(size_t size_of_buffer) { return (size_of_buffer - sizeof(uint32)) / sizeof(T); } </span></div> <br /> The issue here is that if <span class="Apple-style-span" style="font-family: 'Courier New', Courier, monospace;">size_of_buffer</span> is smaller than <span class="Apple-style-span" style="font-family: 'Courier New', Courier, monospace;">sizeof</span>(<span class="Apple-style-span" style="font-family: 'Courier New', Courier, monospace;">uint32</span>), the result would be a huge value, which was then used as input to the following function:<br /> <br /> <div style="text-align: center;"> <span class="Apple-style-span" style="font-family: 'Courier New', Courier, monospace;">static size_t ComputeSize(size_t num_results) { return sizeof(T) * num_results + sizeof(uint32); } </span></div> <br /> This calculation then overflowed and made the result of this function zero, instead of a value at least equal to <span class="Apple-style-span" style="font-family: 'Courier New', Courier, monospace;">sizeof(uint32)</span>. Using this, Pinkie was able to write eight bytes of his choice past the end of his buffer. The buffer in this case is one of the GPU transfer buffers, which are mapped in both processes’ address spaces and used to transfer data between the Native Client and GPU processes. The Windows allocator places the buffers at relatively predictable locations; and the Native Client process can directly control their size as well as certain object allocation ordering. So, this afforded quite a bit of control over exactly where an overwrite would occur in the GPU process.<br /> <br /> The next thing Pinkie needed was a target that met two criteria: it had to be positioned within range of his overwrite, and the first eight bytes needed to be something worth changing. For this, he used the GPU buckets, which are another IPC primitive exposed from the GPU process to the Native Client process. The buckets are implemented as a <a href="http://en.wikipedia.org/wiki/Red%E2%80%93black_tree">tree structure</a>, with the first eight bytes containing pointers to other nodes in the tree. By overwriting the first eight bytes of a bucket, Pinkie was able to point it to a fake tree structure he created in one of his transfer buffers. Using that fake tree, Pinkie could read and write arbitrary addresses in the GPU process. Combined with some predictable addresses in Windows, this allowed him to build a <a href="http://en.wikipedia.org/wiki/Return-oriented_programming">ROP chain</a> and execute arbitrary code inside the GPU process.<br /> <br /> The GPU process is still sandboxed well below a normal user, but it’s not as strongly sandboxed as the Native Client process or the HTML renderer. It has some rights, such as the ability to enumerate and connect to the named pipes used by <a href="http://www.chromium.org/developers/design-documents/inter-process-communication">Chrome’s IPC layer</a>. Normally this wouldn’t be an issue, but Pinkie found that there’s a brief window after Chrome spawns a new renderer where the GPU process could see the renderer’s IPC channel and connect to it first, allowing the GPU process to impersonate the renderer (<a href="http://code.google.com/p/chromium/issues/detail?id=117627">bug 117627</a>).<br /> <br /> Even though Chrome’s renderers execute inside a stricter sandbox than the GPU process, there is a special class of renderers that have IPC interfaces with elevated permissions. These renderers are not supposed to be navigable by web content, and are used for things like extensions and settings pages. However, Pinkie found another bug (<a href="https://code.google.com/p/chromium/issues/detail?id=117417">117417</a>) that allowed an unprivileged renderer to trigger a navigation to one of these privileged renderers, and used it to launch the extension manager. So, all he had to do was jump on the extension manager’s IPC channel before it had a chance to connect.<br /> <br /> Once he was impersonating the extensions manager, Pinkie used two more bugs to finally break out of the sandbox. The first bug (<a href="http://code.google.com/p/chromium/issues/detail?id=117715">117715</a>) allowed him to specify a load path for an extension from the extension manager’s renderer, something only the browser should be allowed to do. The second bug (<a href="http://code.google.com/p/chromium/issues/detail?id=117736">117736</a>) was a failure to prompt for confirmation prior to installing an unpacked <a href="http://code.google.com/chrome/extensions/npapi.html">NPAPI plug-in extension</a>. With these two bugs Pinkie was able to install and run his own NPAPI plug-in that executed outside the sandbox at full user privilege.<br /> <br /> So, that’s the long and impressive path Pinkie Pie took to crack Chrome. All the referenced bugs were fixed some time ago, but some are still restricted to ensure our users and Chromium embedders have a chance to update. However, we’ve included links so when we do make the bugs public, anyone can investigate in more detail.<br /> <br /> In an upcoming post, we’ll explain the details of Sergey Glazunov’s exploit, which relied on roughly 10 distinct bugs. While these issues are already fixed in Chrome, some of them impact a much broader array of products from a range of companies. So, we won’t be posting that part until we’re comfortable that all affected products have had an adequate time to push fixes to their users.<br /> <span class="post-author"><br /></span><br /> <span class="post-author">Posted by Jorge Lucangeli Obes and Justin Schuh, Software Engineers </span> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </script> <noscript> Just over two months ago, Chrome sponsored the <a href="http://blog.chromium.org/2012/02/pwnium-rewards-for-exploits.html">Pwnium</a> browser hacking competition. We had <a href="http://chrome.blogspot.com/2012/03/pwnium-great-exploits-fast-patches.html">two fantastic submissions</a>, and successfully blocked both exploits within 24 hours of their unveiling. Today, we’d like to offer an inside look into the exploit submitted by <a href="http://arstechnica.com/business/2012/03/googles-chrome-browser-on-friday/">Pinkie Pie</a>.<br /> <br /> So, how does one get full remote code execution in Chrome? In the case of Pinkie Pie’s exploit, it took a chain of six different bugs in order to successfully break out of the Chrome sandbox.<br /> <br /> Pinkie’s first bug (<a href="http://code.google.com/p/chromium/issues/detail?id=117620">117620</a>) used Chrome’s prerendering feature to load a <a href="https://developers.google.com/native-client/">Native Client</a> module on a web page. <a href="https://developers.google.com/chrome/whitepapers/prerender">Prerendering</a> is a performance optimization that lets a site provide hints for Chrome to fetch and render a page before the user navigates to it, making page loads seem instantaneous. To avoid sound and other nuisances from preloaded pages, the prerenderer blocks plug-ins from running until the user chooses to navigate to the page. Pinkie discovered that navigating to a pre-rendered page would inadvertently run all plug-ins—even Native Client plug-ins, which are otherwise permitted only for installed extensions and apps.<br /> <br /> Of course, getting a Native Client plug-in to execute doesn’t buy much, because the Native Client process’ sandbox is even more restrictive than Chrome’s sandbox for HTML content. What Native Client does provide, however, is a low-level interface to the <a href="http://www.chromium.org/developers/design-documents/gpu-command-buffer">GPU command buffers</a>, which are used to communicate accelerated graphics operations to the GPU process. This allowed Pinkie to craft a special command buffer to exploit the following integer underflow bug (<a href="http://code.google.com/p/chromium/issues/detail?id=117656">117656</a>) in the GPU command decoding:<br /> <br /> <div style="text-align: center;"> <span class="Apple-style-span" style="font-family: 'Courier New', Courier, monospace;">static uint32 ComputeMaxResults(size_t size_of_buffer) { return (size_of_buffer - sizeof(uint32)) / sizeof(T); } </span></div> <br /> The issue here is that if <span class="Apple-style-span" style="font-family: 'Courier New', Courier, monospace;">size_of_buffer</span> is smaller than <span class="Apple-style-span" style="font-family: 'Courier New', Courier, monospace;">sizeof</span>(<span class="Apple-style-span" style="font-family: 'Courier New', Courier, monospace;">uint32</span>), the result would be a huge value, which was then used as input to the following function:<br /> <br /> <div style="text-align: center;"> <span class="Apple-style-span" style="font-family: 'Courier New', Courier, monospace;">static size_t ComputeSize(size_t num_results) { return sizeof(T) * num_results + sizeof(uint32); } </span></div> <br /> This calculation then overflowed and made the result of this function zero, instead of a value at least equal to <span class="Apple-style-span" style="font-family: 'Courier New', Courier, monospace;">sizeof(uint32)</span>. Using this, Pinkie was able to write eight bytes of his choice past the end of his buffer. The buffer in this case is one of the GPU transfer buffers, which are mapped in both processes’ address spaces and used to transfer data between the Native Client and GPU processes. The Windows allocator places the buffers at relatively predictable locations; and the Native Client process can directly control their size as well as certain object allocation ordering. So, this afforded quite a bit of control over exactly where an overwrite would occur in the GPU process.<br /> <br /> The next thing Pinkie needed was a target that met two criteria: it had to be positioned within range of his overwrite, and the first eight bytes needed to be something worth changing. For this, he used the GPU buckets, which are another IPC primitive exposed from the GPU process to the Native Client process. The buckets are implemented as a <a href="http://en.wikipedia.org/wiki/Red%E2%80%93black_tree">tree structure</a>, with the first eight bytes containing pointers to other nodes in the tree. By overwriting the first eight bytes of a bucket, Pinkie was able to point it to a fake tree structure he created in one of his transfer buffers. Using that fake tree, Pinkie could read and write arbitrary addresses in the GPU process. Combined with some predictable addresses in Windows, this allowed him to build a <a href="http://en.wikipedia.org/wiki/Return-oriented_programming">ROP chain</a> and execute arbitrary code inside the GPU process.<br /> <br /> The GPU process is still sandboxed well below a normal user, but it’s not as strongly sandboxed as the Native Client process or the HTML renderer. It has some rights, such as the ability to enumerate and connect to the named pipes used by <a href="http://www.chromium.org/developers/design-documents/inter-process-communication">Chrome’s IPC layer</a>. Normally this wouldn’t be an issue, but Pinkie found that there’s a brief window after Chrome spawns a new renderer where the GPU process could see the renderer’s IPC channel and connect to it first, allowing the GPU process to impersonate the renderer (<a href="http://code.google.com/p/chromium/issues/detail?id=117627">bug 117627</a>).<br /> <br /> Even though Chrome’s renderers execute inside a stricter sandbox than the GPU process, there is a special class of renderers that have IPC interfaces with elevated permissions. These renderers are not supposed to be navigable by web content, and are used for things like extensions and settings pages. However, Pinkie found another bug (<a href="https://code.google.com/p/chromium/issues/detail?id=117417">117417</a>) that allowed an unprivileged renderer to trigger a navigation to one of these privileged renderers, and used it to launch the extension manager. So, all he had to do was jump on the extension manager’s IPC channel before it had a chance to connect.<br /> <br /> Once he was impersonating the extensions manager, Pinkie used two more bugs to finally break out of the sandbox. The first bug (<a href="http://code.google.com/p/chromium/issues/detail?id=117715">117715</a>) allowed him to specify a load path for an extension from the extension manager’s renderer, something only the browser should be allowed to do. The second bug (<a href="http://code.google.com/p/chromium/issues/detail?id=117736">117736</a>) was a failure to prompt for confirmation prior to installing an unpacked <a href="http://code.google.com/chrome/extensions/npapi.html">NPAPI plug-in extension</a>. With these two bugs Pinkie was able to install and run his own NPAPI plug-in that executed outside the sandbox at full user privilege.<br /> <br /> So, that’s the long and impressive path Pinkie Pie took to crack Chrome. All the referenced bugs were fixed some time ago, but some are still restricted to ensure our users and Chromium embedders have a chance to update. However, we’ve included links so when we do make the bugs public, anyone can investigate in more detail.<br /> <br /> In an upcoming post, we’ll explain the details of Sergey Glazunov’s exploit, which relied on roughly 10 distinct bugs. While these issues are already fixed in Chrome, some of them impact a much broader array of products from a range of companies. So, we won’t be posting that part until we’re comfortable that all affected products have had an adequate time to push fixes to their users.<br /> <span class="post-author"><br /></span><br /> <span class="post-author">Posted by Jorge Lucangeli Obes and Justin Schuh, Software Engineers </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=Chromium Blog:A Tale of Two Pwnies (Part 1)&url=https://blog.chromium.org/2012/05/tale-of-two-pwnies-part-1.html&via=ChromiumDev'> <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://blog.chromium.org/2012/05/tale-of-two-pwnies-part-1.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://blog.chromium.org/2012/05/tale-of-two-pwnies-part-1.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://blog.chromium.org/search/label/security' rel='tag'> security </a> </span> </div> </div> </div> <div class='post' data-id='9024980817440542046' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://blog.chromium.org/2012/05/connect-with-web-intents.html' itemprop='url' title='Connect with Web Intents'> Connect with Web Intents </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> Tuesday, May 15, 2012 </span> </div> </div> <div class='post-body'> <div class='post-content' itemprop='articleBody'> <script type='text/template'> Last year we <a href="http://blog.chromium.org/2011/08/connecting-web-apps-with-web-intents.html">proposed the Web Intents API</a> to help web applications integrate with one another with minimal effort. We've now enabled an experimental version of the API in the most recent <a href="//google.com/chrome">stable version of Chrome</a>, to gather feedback from the web community and shape the future of the Web Intents API.<br /> <br /> <iframe allowfullscreen="" frameborder="0" height="315" src="//www.youtube.com/embed/KLCQ3BxBWvU" width="560"></iframe> <br /> <br /> This prototype version of Web Intents makes it easier for developers to try out the API and experience its benefits first hand:<br /> <ul> <li>Developers who build client apps will be able to easily include functionality from other web services (e.g., photo editing). </li> <li>Developers creating those services will no longer need to invest time and resources to negotiate and build hardcoded integrations - they can just focus on offering a great quality product with the integration facilitated by the API. </li> </ul> In addition, this implementation of Web Intents can help the design discussions in the <a href="http://lists.w3.org/Archives/Public/public-web-intents/">W3C web intents open standards list</a>. After all, it's impossible to build a complex API—especially one that requires an ecosystem of apps—without feedback from web developers using it in the wild.<br /> <br /> We expect that Web Intents will evolve significantly, potentially in backwards-incompatible ways, as <a href="https://groups.google.com/forum/?fromgroups#!forum/web-intents-discuss">feedback</a> from real world usage trickles in. Because of its experimental status, the current live version is prefixed and only allows applications to register as services in their Chrome Web Store app manifest.<br /> <br /> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrC0MFOoMnFE1ncfBFY-VszRl2W1NAgVMgRLzAoi5Eu0tfAtgiWdIQMrgNBSBKdNfvtlRHevuIW38G31VAJvpUg2ezKaqFLYuLCH1H0n8M5wLQOC-927G_SVTfFs_O-Z9MEdOavfQRlew/s1600/noinstalls.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="221" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrC0MFOoMnFE1ncfBFY-VszRl2W1NAgVMgRLzAoi5Eu0tfAtgiWdIQMrgNBSBKdNfvtlRHevuIW38G31VAJvpUg2ezKaqFLYuLCH1H0n8M5wLQOC-927G_SVTfFs_O-Z9MEdOavfQRlew/s320/noinstalls.PNG" width="320" /></a> <br /> <br /> Once the API is stable, we plan to remove this restriction.<br /> <br /> To learn more on how to use the experimental Web Intents API check out the <a href="http://www.chromium.org/developers/web-intents-in-chrome">Web Developers' Guide to Web Intents in Chrome</a>. If you choose to experiment with Web Intents, be sure to follow our <a href="https://groups.google.com/forum/?fromgroups#!forum/web-intents-discuss">discussion group</a>, where we'll announce any impending breaking changes in Chrome's implementation.<br /> <br /> <span class="post-author">Posted by James Hawkins, Software Engineer</span> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </script> <noscript> Last year we <a href="http://blog.chromium.org/2011/08/connecting-web-apps-with-web-intents.html">proposed the Web Intents API</a> to help web applications integrate with one another with minimal effort. We've now enabled an experimental version of the API in the most recent <a href="//google.com/chrome">stable version of Chrome</a>, to gather feedback from the web community and shape the future of the Web Intents API.<br /> <br /> <iframe allowfullscreen="" frameborder="0" height="315" src="//www.youtube.com/embed/KLCQ3BxBWvU" width="560"></iframe> <br /> <br /> This prototype version of Web Intents makes it easier for developers to try out the API and experience its benefits first hand:<br /> <ul> <li>Developers who build client apps will be able to easily include functionality from other web services (e.g., photo editing). </li> <li>Developers creating those services will no longer need to invest time and resources to negotiate and build hardcoded integrations - they can just focus on offering a great quality product with the integration facilitated by the API. </li> </ul> In addition, this implementation of Web Intents can help the design discussions in the <a href="http://lists.w3.org/Archives/Public/public-web-intents/">W3C web intents open standards list</a>. After all, it's impossible to build a complex API—especially one that requires an ecosystem of apps—without feedback from web developers using it in the wild.<br /> <br /> We expect that Web Intents will evolve significantly, potentially in backwards-incompatible ways, as <a href="https://groups.google.com/forum/?fromgroups#!forum/web-intents-discuss">feedback</a> from real world usage trickles in. Because of its experimental status, the current live version is prefixed and only allows applications to register as services in their Chrome Web Store app manifest.<br /> <br /> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrC0MFOoMnFE1ncfBFY-VszRl2W1NAgVMgRLzAoi5Eu0tfAtgiWdIQMrgNBSBKdNfvtlRHevuIW38G31VAJvpUg2ezKaqFLYuLCH1H0n8M5wLQOC-927G_SVTfFs_O-Z9MEdOavfQRlew/s1600/noinstalls.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="221" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrC0MFOoMnFE1ncfBFY-VszRl2W1NAgVMgRLzAoi5Eu0tfAtgiWdIQMrgNBSBKdNfvtlRHevuIW38G31VAJvpUg2ezKaqFLYuLCH1H0n8M5wLQOC-927G_SVTfFs_O-Z9MEdOavfQRlew/s320/noinstalls.PNG" width="320" /></a> <br /> <br /> Once the API is stable, we plan to remove this restriction.<br /> <br /> To learn more on how to use the experimental Web Intents API check out the <a href="http://www.chromium.org/developers/web-intents-in-chrome">Web Developers' Guide to Web Intents in Chrome</a>. If you choose to experiment with Web Intents, be sure to follow our <a href="https://groups.google.com/forum/?fromgroups#!forum/web-intents-discuss">discussion group</a>, where we'll announce any impending breaking changes in Chrome's implementation.<br /> <br /> <span class="post-author">Posted by James Hawkins, Software Engineer</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=Chromium Blog:Connect with Web Intents&url=https://blog.chromium.org/2012/05/connect-with-web-intents.html&via=ChromiumDev'> <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://blog.chromium.org/2012/05/connect-with-web-intents.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://blog.chromium.org/2012/05/connect-with-web-intents.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://blog.chromium.org/search/label/web%20intents' rel='tag'> web intents </a> </span> </div> </div> </div> <div class='post' data-id='5403267787218892001' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://blog.chromium.org/2012/05/better-code-optimization-decisions-for.html' itemprop='url' title='Better code optimization decisions for V8'> Better code optimization decisions for V8 </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> Tuesday, May 1, 2012 </span> </div> </div> <div class='post-body'> <div class='post-content' itemprop='articleBody'> <script type='text/template'> As of current dev and beta channel releases, V8 uses a new algorithm based on counters to decide which functions to optimize. This greatly increases performance for small JavaScript programs. For example, on the SunSpider benchmark, which focuses on extremely short-running tests, V8's speed improved by about 25%.<br /> <br /> <div class="separator" style="text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJhoICTEPyNqsA6cXst-FtqOVPdoN9yQCpGeBlUmTnCWQpb1S99PSpsw1NzUEgFdpj0n6ZVZvYdcu1KR2-rK5voecDUT7kYxiF3CmWsY-jrg6SIJXfAgEo5283PhQtaCmy_KNYndIoXKI/s1600/v8_sunspider.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJhoICTEPyNqsA6cXst-FtqOVPdoN9yQCpGeBlUmTnCWQpb1S99PSpsw1NzUEgFdpj0n6ZVZvYdcu1KR2-rK5voecDUT7kYxiF3CmWsY-jrg6SIJXfAgEo5283PhQtaCmy_KNYndIoXKI/s1600/v8_sunspider.png" /></a></div> <br /> When executing JavaScript, V8 at first compiles it to machine code with a very fast compiler that doesn't optimize the code it produces. V8 has a second, <a href="http://blog.chromium.org/2010/12/new-crankshaft-for-v8.html">optimizing compiler</a> that generates much faster machine code, but takes much more time to do so, so it has to be used selectively. That's why V8 must try to predict which functions will benefit most from optimization, and carefully decide when to optimize them.<br /> <br /> In the past, V8 stopped once every millisecond to look at currently running functions, and eventually optimized them. For long-running programs, this worked great, but short-running programs often finished before they could benefit much from the optimizing compiler -- a single millisecond can be a long time to wait before optimizing! In addition, V8 often made different optimization decisions each time a JavaScript program ran, sometimes overlooking small but performance-critical functions.<br /> <br /> The new version of V8 makes earlier and more repeatable optimization decisions by analyzing the running program in more detail. It uses counters to keep track of how often JavaScript functions are called and loops are executed in a program, approximating the time spent inside each function. That way V8 is able to quickly gather fine-grained information about performance bottlenecks in a JavaScript program, and to make sure that the optimizing compiler's efforts are spent on those functions that deserve it most.<br /> <br /> The new algorithm is contained in the current beta channel releases -- go <a href="https://www.google.com/landing/chrome/beta/">give it a spin</a> now!<br /> <br /> <span class="post-author">Posted by Jakob Kummerow, Software Engineer</span> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </script> <noscript> As of current dev and beta channel releases, V8 uses a new algorithm based on counters to decide which functions to optimize. This greatly increases performance for small JavaScript programs. For example, on the SunSpider benchmark, which focuses on extremely short-running tests, V8's speed improved by about 25%.<br /> <br /> <div class="separator" style="text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJhoICTEPyNqsA6cXst-FtqOVPdoN9yQCpGeBlUmTnCWQpb1S99PSpsw1NzUEgFdpj0n6ZVZvYdcu1KR2-rK5voecDUT7kYxiF3CmWsY-jrg6SIJXfAgEo5283PhQtaCmy_KNYndIoXKI/s1600/v8_sunspider.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJhoICTEPyNqsA6cXst-FtqOVPdoN9yQCpGeBlUmTnCWQpb1S99PSpsw1NzUEgFdpj0n6ZVZvYdcu1KR2-rK5voecDUT7kYxiF3CmWsY-jrg6SIJXfAgEo5283PhQtaCmy_KNYndIoXKI/s1600/v8_sunspider.png" /></a></div> <br /> When executing JavaScript, V8 at first compiles it to machine code with a very fast compiler that doesn't optimize the code it produces. V8 has a second, <a href="http://blog.chromium.org/2010/12/new-crankshaft-for-v8.html">optimizing compiler</a> that generates much faster machine code, but takes much more time to do so, so it has to be used selectively. That's why V8 must try to predict which functions will benefit most from optimization, and carefully decide when to optimize them.<br /> <br /> In the past, V8 stopped once every millisecond to look at currently running functions, and eventually optimized them. For long-running programs, this worked great, but short-running programs often finished before they could benefit much from the optimizing compiler -- a single millisecond can be a long time to wait before optimizing! In addition, V8 often made different optimization decisions each time a JavaScript program ran, sometimes overlooking small but performance-critical functions.<br /> <br /> The new version of V8 makes earlier and more repeatable optimization decisions by analyzing the running program in more detail. It uses counters to keep track of how often JavaScript functions are called and loops are executed in a program, approximating the time spent inside each function. That way V8 is able to quickly gather fine-grained information about performance bottlenecks in a JavaScript program, and to make sure that the optimizing compiler's efforts are spent on those functions that deserve it most.<br /> <br /> The new algorithm is contained in the current beta channel releases -- go <a href="https://www.google.com/landing/chrome/beta/">give it a spin</a> now!<br /> <br /> <span class="post-author">Posted by Jakob Kummerow, Software Engineer</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=Chromium Blog:Better code optimization decisions for V8&url=https://blog.chromium.org/2012/05/better-code-optimization-decisions-for.html&via=ChromiumDev'> <img alt='Share on Twitter' height='24' 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href='https://blog.chromium.org/search/label/chrome%20ads'> chrome ads </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chrome%20apps'> chrome apps </a> <span dir='ltr'> 5 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Chrome%20dev'> Chrome dev </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chrome%20dev%20summit'> chrome dev summit </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chrome%20dev%20summit%202018'> chrome dev summit 2018 </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chrome%20dev%20summit%202019'> chrome dev summit 2019 </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chrome%20developer'> chrome developer </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Chrome%20Developer%20Center'> Chrome Developer Center </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chrome%20developer%20summit'> chrome developer summit </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chrome%20devtools'> chrome devtools </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Chrome%20extension'> Chrome extension </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chrome%20extensions'> chrome extensions </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Chrome%20Frame'> Chrome Frame </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Chrome%20lite'> Chrome lite </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Chrome%20on%20Android'> Chrome on Android </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chrome%20on%20ios'> chrome on ios </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Chrome%20on%20Mac'> Chrome on Mac </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Chrome%20OS'> Chrome OS </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chrome%20privacy'> chrome privacy </a> <span dir='ltr'> 4 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chrome%20releases'> chrome releases </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chrome%20security'> chrome security </a> <span dir='ltr'> 10 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chrome%20web%20store'> chrome web store </a> <span dir='ltr'> 32 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chromedevtools'> chromedevtools </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chromeframe'> chromeframe </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chromeos'> chromeos </a> <span dir='ltr'> 4 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chromeos.dev'> chromeos.dev </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/chromium'> chromium </a> <span dir='ltr'> 9 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/cloud%20print'> cloud print </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/coalition'> coalition </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/coalition%20for%20better%20ads'> coalition for better ads </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/contact%20picker'> contact picker </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/content%20indexing'> content indexing </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/cookies'> cookies </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/core%20web%20vitals'> core web vitals </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/csrf'> csrf </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/css'> css </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/cumulative%20layout%20shift'> cumulative layout shift </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/custom%20tabs'> custom tabs </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/dart'> dart </a> <span dir='ltr'> 8 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/dashboard'> dashboard </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Data%20Saver'> Data Saver </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Data%20saver%20desktop%20extension'> Data saver desktop extension </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/day%202'> day 2 </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/deceptive%20installation'> deceptive installation </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/declarative%20net%20request%20api'> declarative net request api </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/design'> design </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/developer%20dashboard'> developer dashboard </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Developer%20Program%20Policy'> Developer Program Policy </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/developer%20website'> developer website </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/devtools'> devtools </a> <span dir='ltr'> 13 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/digital%20event'> digital event </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/discoverability'> discoverability </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/DNS-over-HTTPS'> DNS-over-HTTPS </a> <span dir='ltr'> 4 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/DoH'> DoH </a> <span dir='ltr'> 4 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/emoji'> emoji </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/emscriptem'> emscriptem </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/enterprise'> enterprise </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/extensions'> extensions </a> <span dir='ltr'> 27 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Fast%20badging'> Fast badging </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/faster%20web'> faster web </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/features'> features </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/feedback'> feedback </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/field%20data'> field data </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/first%20input%20delay'> first input delay </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Follow'> Follow </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/fonts'> fonts </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/form%20controls'> form controls </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/frameworks'> frameworks </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/fugu'> fugu </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/fund'> fund </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/funding'> funding </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/gdd'> gdd </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/google%20earth'> google earth </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/google%20event'> google event </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/google%20io%202019'> google io 2019 </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/google%20web%20developer'> google web developer </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/googlechrome'> googlechrome </a> <span dir='ltr'> 12 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/harmful%20ads'> harmful ads </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/html5'> html5 </a> <span dir='ltr'> 11 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/HTTP%2F3'> HTTP/3 </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/HTTPS'> HTTPS </a> <span dir='ltr'> 4 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/iframes'> iframes </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/images'> images </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/incognito'> incognito </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/insecure%20forms'> insecure forms </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/intent%20to%20explain'> intent to explain </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/ios'> ios </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/ios%20Chrome'> ios Chrome </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/issue%20tracker'> issue tracker </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/jank'> jank </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/javascript'> javascript </a> <span dir='ltr'> 5 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/lab%20data'> lab data </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/labelling'> labelling </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/largest%20contentful%20paint'> largest contentful paint </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/launch'> launch </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/lazy-loading'> lazy-loading </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/lighthouse'> lighthouse </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/linux'> linux </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Lite%20Mode'> Lite Mode </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Lite%20pages'> Lite pages </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/loading%20interventions'> loading interventions </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/loading%20optimizations'> loading optimizations </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/lock%20icon'> lock icon </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/long-tail'> long-tail </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/mac'> mac </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/manifest%20v3'> manifest v3 </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/metrics'> metrics </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/microsoft%20edge'> microsoft edge </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/mixed%20forms'> mixed forms </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/mobile'> mobile </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/na'> na </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/native%20client'> native client </a> <span dir='ltr'> 8 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/native%20file%20system'> native file system </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/New%20Features'> New Features </a> <span dir='ltr'> 5 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/notifications'> notifications </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/octane'> octane </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/open%20web'> open web </a> <span dir='ltr'> 4 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/origin%20trials'> origin trials </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/pagespeed%20insights'> pagespeed insights </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/pagespeedinsights'> pagespeedinsights </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/passwords'> passwords </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/payment%20handler'> payment handler </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/payment%20request'> payment request </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/payments'> payments </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/performance'> performance </a> <span dir='ltr'> 20 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/performance%20tools'> performance tools </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/permission%20UI'> permission UI </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/permissions'> permissions </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/play%20store'> play store </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/portals'> portals </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/prefetching'> prefetching </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/privacy'> privacy </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/privacy%20sandbox'> privacy sandbox </a> <span dir='ltr'> 4 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/private%20prefetch%20proxy'> private prefetch proxy </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/profile%20guided%20optimization'> profile guided optimization </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/progressive%20web%20apps'> progressive web apps </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Project%20Strobe'> Project Strobe </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/protection'> protection </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/pwa'> pwa </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/QUIC'> QUIC </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/quieter%20permissions'> quieter permissions </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/releases'> releases </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/removals'> removals </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/rlz'> rlz </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/root%20program'> root program </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/safe%20browsing'> safe browsing </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Secure%20DNS'> Secure DNS </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/security'> security </a> <span dir='ltr'> 36 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/site%20isolation'> site isolation </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/slow%20loading'> slow loading </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/sms%20receiver'> sms receiver </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/spam%20policy'> spam policy </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/spdy'> spdy </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/spectre'> spectre </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/speed'> speed </a> <span dir='ltr'> 4 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/ssl'> ssl </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/store%20listing'> store listing </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/strobe'> strobe </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/subscription%20pages'> subscription pages </a> <span dir='ltr'> 1 </span> 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</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://blog.chromium.org/2018/'> 2018 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/2018/09/'> Sep </a> 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<div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/2017/'> 2017 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/2017/07/'> 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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/2016/'> 2016 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/2016/02/'> 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://blog.chromium.org/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://blog.chromium.org/2015/'> 2015 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/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://blog.chromium.org/2015/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li 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class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/2015/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul 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</div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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'>  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</div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/2013/01/'> 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://blog.chromium.org/2012/'> 2012 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/2012/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate expanded'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/2011/'> 2011 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/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://blog.chromium.org/2011/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div 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