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JetStream 3: A modern benchmark for high-performance, compute-intensive Web applications

We’re incredibly excited to announce the release of JetStream 3, built in close collaboration with Apple, Mozilla, and other partners in the web ecosystem! While we’ve covered the high-level details of this release in our shared announcement blog post, we wanted to take a moment here to dive a little deeper. In this post, we’ll pull back the curtain on the benchmark itself, explore the methodology…

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Chromium Blog Browser

Android Sets New Record for Mobile Web Performance

A core part of the Android experience is the web. Whether you are browsing in Chrome or using one of the >90% of Android apps that utilize WebView, the speed of the web defines the speed of your phone. Today, we are proud to celebrate a major milestone: Android is now the fastest mobile platform for web browsing. Through deep vertical integration across hardware, the Android OS, and the Chrome eng…

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Chromium Blog Browser

Bringing Chrome to ARM64 Linux Devices

We’re excited to announce that Google will launch Chrome for ARM64 Linux devices in Q2 2026, following the successful expansion of Chrome to Arm-powered macOS devices in 2020 and Arm-powered Windows devices in 2024. Launching Chrome for ARM64 Linux devices allows more users to enjoy the seamless integration of Google’s most helpful services into their browser. This move addresses the growing deman…

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Chromium Blog Browser

Reducing notification overload for a quieter browsing experience in Chrome

We're constantly working to improve your browsing experience. To help you cut through the noise and reduce notification overload, we’re launching a new feature to automatically remove notification permission for sites you haven't interacted with recently. Today, Chrome’s Safety Check already does this for other permissions such as camera and location. The feature will be launched in Chrome on Andr…

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Chromium Blog Browser

Introducing Skia Graphite: Chrome's rasterization backend for the future

Today's The Fast and the Curious post covers the launch of Skia's new rasterization backend, Graphite, in Chrome on Apple Silicon Macs. Graphite is instrumental in helping Chrome achieve exceptional scores on Motionmark 1.3 and is key to unlocking a ton of future improvements in Chrome Graphics. A brief history of Skia in Chrome In Chrome, Skia is used to render paint commands from Blink and the b…

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Chromium Blog Browser v3.1

Chrome achieves highest score ever on Speedometer 3.1, saving users millions of hours

Update (6/10/2025): This blog was updated to reflect that testing was done using the Speedometer 3.1 benchmark, and resulted in a 22% performance improvement. The previous version incorrectly noted that the performance improvement was 10% and that the benchmark was Speedometer 3. Performance has always been one of the core pillars of Chrome and it’s something we’ve never stopped investing in. Publ…

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Chromium Blog Browser

Fighting Unwanted Notifications with Machine Learning in Chrome

Notifications in Chrome are a useful feature to keep up with updates from your favorite sites. However, we know that some notifications may be spammy or even deceptive. We’ve received reports of notifications diverting you to download suspicious software, tricking you into sharing personal information or asking you to make purchases on potentially fraudulent online store fronts. To defend against…

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Chromium Blog Browser

Announcing Supporters of Chromium-based Browsers

Since Google announced the Chromium project in 2008, we have been excited to build on the great foundations of open-source web browsers and contribute to the continued development of a rich web platform. Today, Chromium is used by hundreds of different projects globally, including big browsers like Chrome, home electronics from LG, application frameworks like Electron and even custom applications…

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Chromium Blog Browser

Making Chrome QUICer

In October 2020, Chrome enabled HTTP/3 by default. HTTP/3 (RFC 9114) runs over IETF QUIC (RFC9000). Default-enabling HTTP/3 in Chrome resulted in improved performance compared not only HTTP/1 and HTTP/2, but also Google QUIC. Benefits included reduced Google search latency and fewer rebuffers for YouTube. The journey to optimizing performance did not end when HTTP/3 was default enabled. Recent adv…

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Chromium Blog Browser

How Chrome doubled its Speedometer scores on Android

Today’s The Fast and the Curious post covers how Chrome achieved best-in-class Speedometer scores on mobile devices, resulting in faster and smoother web experiences for Android users. Chrome has always been about speed. Whether it's loading pages quickly, running complex web apps smoothly, or delivering a seamless browsing experience, performance is at the heart of our browser. And we're always l…

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Chromium Blog Browser

Seamlessly use your passwords and addresses in Chrome across all devices

Last October, we introduced a new identity model on iOS (Chrome 118) and are excited to bring it to Android devices and Desktop soon. This model aligns closely with how you already use other Google apps and services. When we first launched Chrome sync back in 2009, powered by the Google Account, our goal then, as it is today, was simple: help users access their bookmarks, passwords, tabs and more,…

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Chromium Blog Browser

Building a faster, smarter, Chromebook experience with the best of Google technologies

ChromeOS will soon be developed on large portions of the Android stack to bring Google AI, innovations, and features faster to users. Over the last 13 years, we’ve evolved ChromeOS to deliver a secure, fast, and feature-rich Chromebook experience for millions of students and teachers, families, gamers, and businesses all over the world. With our recent announcements around new features powered by…

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Chromium Blog Browser

How Chrome achieved the highest score ever on Speedometer 3

Today’s The Fast and the Curious post explores how Chrome achieved the highest score on the new Speedometer 3.0, an upgraded browser benchmarking tool to optimize the performance of Web applications. Try out Chrome today! Speedometer 3.0 is a recently published benchmark for measuring browser performance that was created as an industry collaboration between companies like Google, Apple, Mozilla, I…

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Chromium Blog Browser

Introducing Shared Memory Versioning to improve slow interactions

On the Chrome team, we believe it’s not sufficient to be fast most of the time, we have to be fast all of the time. Today’s The Fast and the Curious post explores how we contributed to Core Web Vitals by surveying the field data of Chrome responding to user interactions across all websites, ultimately improving performance of the web. As billions of people turn to the web to get things done every…

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Chromium Blog Browser

Manifest V2 phase-out begins

Update (10/10/2024): We’ve started disabling extensions still using Manifest V2 in Chrome stable. Read more details in the MV2 support timeline documentation. In November 2023, we shared a timeline for the phasing out of Manifest V2 extensions in Chrome. Based on the progress and feedback we’ve seen from the community, we’re now ready to roll out these changes as scheduled. We’ve always been clear…

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Chromium Blog Browser

Multi-tasking with Minimized Custom Tabs

In the latest release of Chrome, we're introducing Minimized Custom Tabs, a feature that allows users to effortlessly transition between native app and web content. With a simple tap on the down button in the Chrome Custom Tabs toolbar, users can minimize a Custom Tab into a compact, floating picture-in-picture window. This seamless integration enables multi-tasking across surfaces, enhancing the…

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Chromium Blog Browser

Advancing Our Amazing Bet on Asymmetric Cryptography

Google and many other organizations, such as NIST, IETF, and NSA, believe that migrating to post-quantum cryptography is important due to the large risk posed by a cryptographically-relevant quantum computer (CRQC). In August, we posted about how Chrome Security is working to protect users from the risk of future quantum computers by leveraging a new form of hybrid post-quantum cryptographic key e…

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Chromium Blog Browser

How Machine Learning improved the Chrome address bar on Windows, Mac and ChromeOS

Used billions of times each day, the Chrome address bar (which we call the “omnibox”) is a powerful tool to make searching the web easier, whether you’re trying to quickly find your tabs or bookmarks, return to a web page you previously visited, or find information. With the latest release of Chrome (M124), we’re integrating machine learning models to power the Chrome omnibox on desktop, so that w…

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Chromium Blog Browser

Fighting cookie theft using device bound sessions

Cookies – small files created by sites you visit – are fundamental to the modern web. They make your online experience easier by saving browsing information, so that sites can do things like keep you signed in and remember your site preferences. Due to their powerful utility, cookies are also a lucrative target for attackers. Many users across the web are victimized by cookie theft malware that gi…

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Chromium Blog Browser

Speedometer 3: Building a benchmark that represents the web

Today’s The Fast and the Curious post covers the release of Speedometer 3.0 an upgraded browser benchmarking tool to optimize the performance of Web applications. In collaboration with major web browser engines, Blink/V8, Gecko/SpiderMonkey, and WebKit/JavaScriptCore, we’re excited to release Speedometer 3.0. Benchmarks, like Speedometer, are tools that can help browser vendors find opportunities…

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Chromium Blog Browser

Optimizing Safe Browsing checks in Chrome

Balancing security and usability is always top of mind for us as we strive to stay on top of the constantly evolving threat landscape while building products that are delightful to use. To that end, we'd like to announce a few recent changes to how Chrome works with Google Safe Browsing to keep you safe online while optimizing for smooth and uninterrupted web browsing.Asynchronous checksToday, Saf…

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Chromium Blog Browser

Chromium Issue Tracker migration is complete

We are thrilled to share that Chromium issue tracking has migrated! Access the Issue Tracker, and supporting documentation. Why was this doneIssue tracking moved from Monorail to the Chromium Issue Tracker (powered by the Google Issue Tracker) to provide a feature-rich and well-supported issue tracker for Chromium’s ecosystem. Chromium joins other open source projects (Git, Gerrit) on this tooling…

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Chromium Blog Browser

Chromium Issue Tracker migration beginning Feb 2, 2024 at 5pm PST

As we shared last year, Chromium is moving to a different issue tracker to provide a well-supported user experience for the long term. Migration is beginning today (February 2, 2024) at 5pm PST. We expect migration will be completed by the end of day (PST) February 4, 2024.What’s happeningWe will migrate all Chromium issues, including issue history and stars, from Monorail to a different tool: Chr…

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Chromium Blog Browser

A new way to seamlessly browse across devices with Chrome on iOS

Whether you’re browsing the web on your PC at home or on the go with your phone, we designed Chrome to be simple to use and work great on all platforms. For example, tools like Chrome sync have made it possible for you to access your bookmarks and passwords when switching between all your devices. In the coming weeks we’re making changes to Chrome on iOS to help you get to your most important stuf…

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Chromium Blog Browser

How Core Web Vitals saved users 10,000 years of waiting for web pages to load

Today’s The Fast and the Curious post explores how Core Web Vitals saved Chrome users more than 10,000 Years of waiting for web pages to load in 2023 (across Chrome desktop and Android) by quantifying the experience of sites and identifying opportunities to make improvements.In 2020, we introduced Web Vitals - essential quality signals for webpages to ensure a better user experience. Since then, t…