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Blog.chromium.org is the official website of the Chromium project. It provides readers with the latest updates, announcements, and insights into the world of browser technology. The site consists of various sections including the main blog, team members' profiles, project information, and resources related to Chromium development.

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RSS Hunter • Aug 19, 2024

Thread Of Notes

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

JetStream 3, a new browser benchmark, has been released in collaboration with Apple, Mozilla, and other partners. Benchmarks are crucial for detecting performance regressions and motivating browser engineers to optimize their work. This new version is built on open governance, with all major browser engines agreeing on the addition of new workloads. JetStream 3 updates existing benchmarks after a six-year gap, addressing Goodhart's Law where measures become targets. Unlike Speedometer which focuses on UI, JetStream targets computationally intensive web applications. It's designed for engine shells, enabling faster iteration for developers. Workloads represent real-world use cases rather than microbenchmarks to avoid overfitting. The benchmark prioritizes diversity across frameworks, libraries, and languages. Practical constraints include a short runtime, manageable memory and network usage, and deterministic results. A significant change is the increased focus on WebAssembly, reflecting its modern web importance. New WebAssembly workloads cover diverse toolchains like Java, Dart, Kotlin, Rust, and C#. JavaScript workloads have also been expanded with new startup and execution tests. These updates aim to improve user experience and drive better web performance.

https://blog.chromium.org/2026/03/jetstream-3-a-modern-benchmark.html blog.chromium.org

RSS Hunter • Mar 31

Android Sets New Record for Mobile Web Performance

Android has achieved a major milestone, becoming the fastest mobile platform for web browsing, a crucial aspect of the Android experience. This improvement is due to deep vertical integration across hardware, the Android OS, and the Chrome engine. Web performance significantly impacts daily device feel, as users spend substantial screen time interacting with complex web content via Chrome and other apps. Android evaluates web performance through responsiveness and page load speed. Speedometer, an industry standard, measures web app responsiveness by simulating real-world user actions with modern web frameworks. Higher Speedometer scores directly correlate with a more fluid user experience. LoadLine, an emerging end-to-end benchmark, measures complete page load times using real-world websites, proving Android’s world-class page load performance. Android’s success stems from optimizing the entire stack, from silicon to software, in collaboration with partners. These optimizations led to significant year-over-year improvements in Speedometer and LoadLine scores on flagship Android phones. These enhancements translate to faster real-world page loads and interactions for users.

https://blog.chromium.org/2026/03/android-sets-new-record-for-mobile-web.html blog.chromium.org

RSS Hunter • Mar 25

Bringing Chrome to ARM64 Linux Devices

Google will release Chrome for ARM64 Linux devices in the second quarter of 2026. This launch follows successful Chrome expansions to Arm-powered macOS and Windows. Chrome aims to integrate Google's services seamlessly with the open-source Chromium project. This release ensures a secure, stable, and feature-rich Chrome experience for ARM64 Linux users. Users can access Google's ecosystem, including bookmarks, history, and extensions, across devices. Chrome provides strong security features, including real-time protection and Google Password Manager. Google Pay integration offers secure payment management within the browser. Google is partnering with NVIDIA to facilitate installation on DGX Spark devices. Users of other Linux distributions can also easily download the browser. This launch emphasizes Google's commitment to the Linux and Arm ecosystems for future performance.

https://blog.chromium.org/2026/03/bringing-chrome-to-arm64-linux-devices.html blog.chromium.org

RSS Hunter • Mar 12

Reducing notification overload for a quieter browsing experience in Chrome

Google is introducing a new feature to automatically remove notification permissions for websites that users haven't interacted with recently in an effort to reduce notification overload. This feature will be launched in Chrome on Android and desktop, and it will only revoke permissions for sites with very low user engagement and a high volume of notifications. The goal is to help users cut through the noise and minimize disruptions caused by excessive notifications. Data shows that less than 1% of all notifications receive any interaction from users, indicating a significant problem with notification overload. However, notifications can be valuable and helpful, so the feature will not revoke permissions for installed web apps. Users will be informed when notification permissions are removed and can easily re-grant permission at any time. The feature can also be turned off entirely if desired. Google has been testing this feature and seen a significant reduction in notification overload with minimal impact on total notification clicks. The launch is part of Google's commitment to user safety, privacy, and control, aiming to create a cleaner and more focused browsing experience. By reducing distractions and helping users manage their online interactions, Google hopes to enable users to make the most of their time online.

https://blog.chromium.org/2025/10/automatic-notification-permission.html blog.chromium.org

RSS Hunter • Oct 10, 2025

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

The Fast and the Curious post covers the launch of Skia's new rasterization backend, Graphite, in Chrome on Apple Silicon Macs. Graphite helps Chrome achieve exceptional scores on Motionmark 1.3 and unlocks future improvements in Chrome Graphics. Skia is used to render paint commands from Blink and the browser UI into pixels on the screen, a process called rasterization. Skia has powered Chrome Graphics since the beginning, but it eventually ran into performance issues as the web evolved and became more complex. This led to the development of a new rasterization backend, Graphite, which was designed from the start to be principled and take advantage of modern graphics APIs. With Graphite, Chrome increased its Motionmark 1.3 scores by almost 15% on a Macbook Pro M3 and improved real-world metrics like interaction to next paint time and graphics smoothness. Graphite differs from Ganesh, the previous rasterization backend, in its ability to take advantage of modern graphics APIs like Metal, Vulkan, and D3D12, and its multithreaded design. Graphite also extends Skia's GPU rendering to take advantage of depth testing, which reduces overdraw and improves performance. The Chrome Graphics team plans to further improve Graphite by implementing multithreaded rasterization, reducing GPU memory for simple content, and exploring GPU compute path rasterization.

https://blog.chromium.org/2025/07/introducing-skia-graphite-chromes.html blog.chromium.org

RSS Hunter • Jul 8, 2025

Chrome achieves highest score ever on Speedometer 3, saving users millions of hours

Chrome has always prioritized performance, and the team has continued to invest in it. Publicly available benchmarks like Speedometer help track progress and identify areas for improvement. Chrome has achieved the highest score ever on Speedometer, with a 10% improvement since August 2024. This improvement translates to better browser experiences, higher conversions for businesses, and more enjoyable web experiences. If each Chrome user used Chrome for just 10 minutes a day, these improvements would collectively save 58 million hours or roughly 83 lifetimes worth of waiting around for websites to load. Speedometer measures web application responsiveness through various workloads that cover different areas of the Blink rendering engine. To achieve exceptional web performance, the team has focused on refining fundamental rendering paths across the entire stack. Notable optimization examples include heavily optimizing memory layouts, improving strings in the renderer, and using caches more effectively. These optimizations have resulted in significant performance improvements, leading to better browser experiences and higher conversions for businesses.

https://blog.chromium.org/2025/06/chrome-achieves-highest-score-ever-on.html blog.chromium.org

RSS Hunter • Jun 5, 2025

Fighting Unwanted Notifications with Machine Learning in Chrome

Chrome is introducing warnings for potentially deceptive or spammy notifications on Android devices. These warnings aim to protect users from unwanted and potentially harmful notifications that might lead to malware downloads, personal information theft, or fraudulent purchases. The feature uses on-device machine learning to analyze notification content, identifying potentially deceptive or spammy messages. When a notification is flagged, users will see a warning and have options to unsubscribe or view the content. The on-device analysis protects user privacy as notification content is not sent to Google. The machine learning model was trained using synthetic data generated by a large language model. This feature is currently available on Android, with potential expansion to other platforms in the future. Chrome already protects against harmful notifications by revoking permissions from abusive sites. Users can also unsubscribe from notifications with one click on Android and manage their notification settings. Chrome's security team is actively working to protect users from online threats.

https://blog.chromium.org/2025/05/fighting-unwanted-notifications-with.html blog.chromium.org

RSS Hunter • May 8, 2025

Announcing Supporters of Chromium-based Browsers

Google announced the Chromium project in 2008, which has since been used by hundreds of projects globally, including big browsers like Chrome and custom applications. In 2024, Google made over 100,000 commits to Chromium, accounting for 94% of contributions. Despite this investment, Google welcomes others to contribute more to the project. Google also invests heavily in the shared infrastructure of the Open Source project, including maintaining thousands of servers and responding to hundreds of incoming bugs daily. This work represents hundreds of millions of dollars in annual investment just for maintenance costs. Sustainable funding of critical open source infrastructure is a hot industry-wide topic of discussion. Google has partnered with The Linux Foundation to launch the Supporters of Chromium-based Browsers, an initiative to foster a sustainable environment of open-source contributions to the Chromium ecosystem. The fund will be managed by the Linux Foundation, prioritizing transparency, inclusivity, and community-driven development. Initial members include Meta, Microsoft, and Opera, and Google welcomes additional investment into Chromium's commons. Google remains committed to being the responsible steward of the Chromium project and to the massive investment necessary to keep Chromium working well for the entire web industry.

https://blog.chromium.org/2025/01/announcing-supporters-of-chromium-based.html blog.chromium.org

RSS Hunter • Jan 9, 2025

Making Chrome QUICer

Chrome enabled HTTP/3 by default in October 2020, which resulted in improved performance compared to HTTP/1, HTTP/2, and Google QUIC. The benefits of HTTP/3 included reduced Google search latency and fewer rebuffers for YouTube. However, the journey to optimizing performance did not end with the default enablement of HTTP/3. Recent advancements include the implementation of the HTTP/3 ORIGIN frame and Server's Preferred Address, which have been enabled by default in M131. The HTTP/3 ORIGIN frame enhances connection coalescing, while Server's Preferred Address reduces a connection's round trip time. The ORIGIN frame allows a server to indicate what domains it would like to pool onto a connection, reducing unnecessary connections and latency. Creating a new connection is expensive in terms of latency, memory, and CPU usage, making connection coalescing important for performance. The Server's Preferred Address feature allows a server to indicate a preferred address for the client to migrate to, which can reduce the round trip time and increase stability. Testing has shown that this migration is successful over 99% of the time in Chrome and reduces average RTT by 40-80%. The implementation of these features is expected to further improve the performance of HTTP/3 in the future.

https://blog.chromium.org/2024/12/making-chrome-quicer.html blog.chromium.org

RSS Hunter • Dec 17, 2024

How Chrome doubled its Speedometer scores on Android

Chrome has achieved best-in-class Speedometer scores on mobile devices, resulting in faster and smoother web experiences for Android users. The Speedometer benchmark measures how quickly Chrome can complete interactions with web pages, including parsing/rendering HTML or CSS and running JavaScript. Since the release of Chrome M112, Speedometer 2.1 scores have more than doubled on many Android devices. The improvements resulted from several changes, including build optimizations, V8 and Blink improvements, and scheduling, OS, and SoC optimizations. Build optimizations included targeting 64-bit Arm, compiling C++ code optimized for speed, and applying profile-guided optimization techniques. V8 and Blink improvements included utilizing an optimized fast-path HTML parser and launching new compiler tiers. Scheduling and OS optimizations involved working closely with Android partners to optimize thread scheduling and frequency scaling policies. These improvements have resulted in faster page loads and interactions, with loading a Google Docs document on Pixel Tablet now taking more than 50% less time than it did before. The collaboration with Android partners, including Qualcomm, has been instrumental in achieving these improvements. Overall, these improvements have significantly enhanced the performance of Chrome on Android devices.

https://blog.chromium.org/2024/12/doubling-speedometer-scores-android.html blog.chromium.org

RSS Hunter • Dec 4, 2024

Seamlessly use your passwords and addresses in Chrome across all devices

Google is introducing an updated identity model for Chrome that aligns with the user experience of other Google services. Unlike the legacy sync model, which required both sign-in and sync enabled, the new model provides access to account data simply by signing in. This change reflects the evolution of cloud services and user expectations, where individuals expect seamless access to their data across devices. Signing into Chrome allows users to utilize saved passwords, addresses, and other account information. While sign-in offers a customized browsing experience, users can still opt out and enjoy a great browser experience without signing in. The ability to save history and open tabs to the account remains an optional choice after signing in. This update is currently available on iOS and will soon be extended to Android and Desktop.

https://blog.chromium.org/2024/08/seamlessly-use-your-passwords-and.html blog.chromium.org

RSS Hunter • Aug 20, 2024

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

ChromeOS will soon incorporate portions of the Android stack to enhance its features and deliver Google AI innovations more rapidly. This integration will leverage Android's Linux kernel and frameworks, building upon the existing collaboration between Android apps on ChromeOS and unified Bluetooth stacks. By embracing Android's tech stack, ChromeOS aims to accelerate AI innovation, simplify engineering, and improve device compatibility with phones and accessories. Despite these changes, ChromeOS will maintain its core principles of security, user interface consistency, and robust management capabilities. The transition to the updated experience will be gradual and seamless for consumers. ChromeOS remains committed to delivering an exceptional experience for its users, developers, and partners, with ongoing software updates and new innovations.

https://blog.chromium.org/2024/06/building-faster-smarter-chromebook.html blog.chromium.org

RSS Hunter • Jun 12, 2024

How Chrome achieved the highest score ever on Speedometer 3

Chrome has achieved the highest score on the Speedometer 3.0 browser benchmarking tool, surpassing all other major browsers. The Speedometer 3.0 tool was developed through industry collaboration to optimize web application performance.Google engineers carefully tracked Chrome's performance during Speedometer 3.0's development and identified areas for optimization, resulting in a 72% increase in Chrome's score.Optimizations focused on reducing unnecessary bound checks, deduplicating stylesheets, and tuning memory allocations for drawing paths and arcs.Chrome's innerHTML parsing optimization, previously implemented in WebKit, was extended to DOMParser for further performance gains.Collaboration with the Harfbuzz maintainer optimized rendering of AAT fonts, leading to faster text processing.Intel's profile guided tiering contributed to identifying code for optimization, improving V8's performance.Garbage collection improvements included extending idle-time optimization mechanisms and introducing a more compact layout for objects wrapping DOM elements.These optimizations have resulted in a significantly faster browsing experience for Chrome users.By prioritizing optimization efforts and leveraging industry collaboration, Chrome continues to lead in browser performance.The latest version of Chrome is highly recommended for an enhanced web browsing experience.

https://blog.chromium.org/2024/06/how-chrome-achieved-highest-score-ever.html blog.chromium.org

RSS Hunter • Jun 6, 2024

Introducing Shared Memory Versioning to improve slow interactions

Google's Chrome team prioritizes delivering fast performance consistently. By analyzing field data, the team identified recurring synchronous calls to fetch site cookies as a cause of slow interactions. The multi-process architecture of Chrome led to resource contention, exacerbating the issue. To address this, the team introduced Shared Memory Versioning, pairing cookie values with versions to reduce inter-process messages by 80% and speed up cookie accesses by 60%. A/B testing confirmed a 5% improvement in slowest interactions, contributing to improved Core Web Vitals performance for websites. The implementation of Shared Memory Versioning eliminated redundant cookie requests, which previously occurred hundreds of times per second on some sites. The change reflects Chrome's commitment to optimizing performance and enhancing the user experience on the web.

https://blog.chromium.org/2024/06/introducing-shared-memory-versioning-to.html blog.chromium.org

RSS Hunter • Jun 3, 2024

Manifest V2 phase-out begins

Manifest V2 extensions in Chrome will be phased out as scheduled, with the goal of improving security, privacy, performance, and trustworthiness.Over 85% of actively maintained extensions in the Chrome Web Store now run on Manifest V3, and top content filtering extensions have Manifest V3 versions available.Based on community feedback, Manifest V3 has been refined to support user scripts and offscreen documents, and the number of rulesets for declarativeNetRequest has been increased.Review skipping for safe rule updates and version roll back provide greater control for developers.Starting June 3rd on Chrome Beta channels, users will see warnings for Manifest V2 extensions, followed by gradual disabling in the coming months.Users will be directed to the Chrome Web Store for Manifest V3 alternatives for disabled extensions.For a short period, users can re-enable Manifest V2 extensions, but this option will eventually be removed.Enterprises can use the ExtensionManifestV2Availability policy to exempt themselves from browser changes until June 2025.More information is available in the recent Chrome extensions Google I/O talk.Developers can reach out via the Chromium extensions mailing list for further questions.

https://blog.chromium.org/2024/05/manifest-v2-phase-out-begins.html blog.chromium.org

RSS Hunter • May 30, 2024

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 in-app web browsing experience. By tapping on the floating window, users can easily maximize the tab, restoring it to its original size. How to get startedBecause this change happens at the browser level, developers who use Chrome Custom Tabs will see this change automatically applied starting with Chrome version M124. End users will see the Minimize icon in the Chrome Custom Tab toolbar. Please note that this is a change in Chrome, and we hope other browsers will adopt similar functionality.Posted by Victor Gallet, Senior Product Manager

https://blog.chromium.org/2024/05/multi-tasking-with-minimized-custom-tabs.html blog.chromium.org

RSS Hunter • May 29, 2024

Advancing Our Amazing Bet on Asymmetric Cryptography

Google has implemented hybrid post-quantum key exchange (Kyber) in Chrome to mitigate the risk of future quantum computers decrypting encrypted traffic. Launching this draft version aligns with Google's strategy of prioritizing post-quantum cryptography deployment in vulnerable systems. Chrome's post-quantum strategy focuses on quantum-resistant key exchange in HTTPS and increased agility in certificates from the Web PKI. The urgency of migrating to post-quantum cryptography for key exchange is greater than for authentication due to the threat of "store-now-decrypt-later" attacks. However, post-quantum cryptography is larger than pre-quantum algorithms, causing transmission delays and noticeable latency, particularly on Android. The size issues are even more significant for post-quantum authentication, which requires transmitting large keys and signatures. To address these challenges, Google proposes a multi-certificate deployment model and introduces the "Trust Expressions" proposal for trust anchor negotiation in TLS, which would allow for seamless addition and removal of post-quantum authentication methods.

https://blog.chromium.org/2024/05/advancing-our-amazing-bet-on-asymmetric.html blog.chromium.org

RSS Hunter • May 23, 2024

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

Chrome's omnibox leverages machine learning models to enhance web page suggestions. The models prioritize relevance and precision, improving the user experience. Despite initial challenges, the integration was made possible by a dedicated team. ML insights revealed patterns, such as decreasing relevance for recent navigations that were likely unintentional. The models enable potential future improvements, including incorporating new signals and tailoring relevance for specific contexts. The relevance scoring can adapt to changing user behaviors over time, thanks to the ability to re-train and deploy new models periodically. This integration aims to continuously enhance the omnibox's functionality and meet users' evolving needs.

https://blog.chromium.org/2024/04/how-machine-learning-improved-chrome.html blog.chromium.org

RSS Hunter • Apr 29, 2024

Fighting cookie theft using device bound sessions

Cookies, crucial for online convenience, are also vulnerable to theft, enabling attackers to access accounts. Cookie theft malware uses social engineering to infiltrate devices, exfiltrating authentication cookies that bypass two-factor authentication and anti-virus detection.To address this issue, Device Bound Session Credentials (DBSC) is being developed as a new web capability that binds authentication sessions to the device, rendering stolen cookies worthless. By forcing attackers to act locally, DBSC enhances on-device detection and cleanup.DBSC employs public/private key pairs stored securely on the device to establish sessions, verifying proof of possession throughout the session's lifetime.To maintain session freshness and support existing cookie-based solutions, DBSC uses a dedicated endpoint for out-of-band cookie refresh.DBSC prioritizes user privacy by ensuring no correlation of keys from different sessions on the same device, allowing users to delete keys at any time.The only information sent to the server is the per-session public key, which certifies proof of key possession.DBSC aligns with the phase-out of third-party cookies, disabling it in those scenarios.Google is piloting DBSC for some Google Account users, providing enhanced security.DBSC has garnered interest from server providers, identity providers, and browsers who seek to protect users from cookie theft.The development process is open and collaborative, with updates and timelines available on GitHub.

https://blog.chromium.org/2024/04/fighting-cookie-theft-using-device.html blog.chromium.org

RSS Hunter • Apr 2, 2024

Speedometer 3: Building a benchmark that represents the web

Speedometer 3.0, a collaborative effort between browser vendors, enhances the optimization of web applications through benchmark analysis.With a multi-stakeholder governance model, the updated benchmark represents diverse perspectives and workflows, aiming to improve the user experience across browsers.The new workloads capture the evolution of the web, including complex DOM layouts, SVG and canvas rendering, and more realistic user journeys.The inclusion of frameworks was determined based on HTTP Archive data and discussions with browser vendors, providing a representative sample.The addition of a web-component-based workload expands the benchmark's scope.Validation using Chrome runtime-call-stats indicates a more balanced representation of web APIs, with less focus on innerHTML and greater attention to DOM APIs.The benchmark includes TodoMVC, Complex DOM, Single-page-applications, Charting Apps & Dashboards, and Code Editors to simulate typical user interactions.By representing a broader range of web use cases, Speedometer 3.0 enables browser vendors to optimize performance in areas that matter most to users.This collaborative approach ensures that improvements made to browser engines benefit users regardless of their preferred browser.The benchmark continues to evolve, aiming to accurately reflect the changing landscape of the web.

https://blog.chromium.org/2024/03/speedometer-3-building-benchmark-that.html blog.chromium.org

RSS Hunter • Mar 11, 2024

Optimizing Safe Browsing checks in Chrome

Chrome is implementing changes to improve security and browsing experience:- Safe Browsing checks will become asynchronous, allowing pages to load while real-time server checks are ongoing, reducing page load time. - This allows for the use of AI and ML to enhance phishing and social engineering attack detection. - Local checks for browser exploits will still be synchronous, and users are encouraged to update Chrome promptly. - Sub-resource checks will be removed as they have become less common and other protection measures are now in place. - PDF download checks have been significantly reduced as PDF exploitation has declined and other protective measures are available.These changes aim to improve performance, enhance security, and reduce network traffic. Chrome will continue to monitor threats and adjust measures accordingly to ensure user safety online.

https://blog.chromium.org/2024/02/optimizing-safe-browsing-checks-in.html blog.chromium.org

RSS Hunter • Feb 13, 2024

Chromium Issue Tracker migration is complete

Chromium issue tracking has migrated from Monorail to Chromium Issue Tracker (powered by Google Issue Tracker). This change provides a more feature-rich and supported issue tracker for Chromium's ecosystem. Existing Monorail issue links will redirect to the migrated issues in the new issue tracker. For questions or concerns, contact [email protected].

https://blog.chromium.org/2024/02/chromium-issue-tracker-migration-is.html blog.chromium.org

RSS Hunter • Feb 5, 2024

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 happening We will migrate all Chromium issues, including issue history and stars, from Monorail to a different tool: Chromium Issue Tracker, powered by the Google Issue Tracker. This tooling change will provide a feature-rich and well-supported issue tracker for Chromium’s ecosystem. Chromium will join other open source projects (Git, Gerrit) on this tooling. Existing transparency levels to bugs will be maintained. Post-Migration We will publish another post once the migration is complete. Once the migration completes, existing Monorail issue links will redirect to the migrated issues in the new issue tracker. We will prioritize feedback to continue to improve the issue tracker experience. Documentation on new and common workflows will be added to chromium.org once the migration is complete. Help & Feedback You can reach out at any time to [email protected] with questions or concerns.

https://blog.chromium.org/2024/02/chromium-issue-tracker-migration.html blog.chromium.org

RSS Hunter • Feb 2, 2024

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

Google Chrome is designed for ease of use and functionality across multiple platforms. Chrome sync allows users to access bookmarks and passwords across devices. Upcoming changes to Chrome on iOS will simplify sign-in and make it the default method for saving data. Users can opt in to sync tabs and browsing history. Signing in separates local browsing data from account data, providing clear distinction. Local data can be saved to the account if desired. Signing in to Chrome on iOS is optional. Users can still save data locally without signing in. They can also sign in to Google services without signing in to Chrome. These changes aim to enhance user convenience and flexibility in managing data.

https://blog.chromium.org/2023/11/a-new-way-to-seamlessly-browse-across.html blog.chromium.org

RSS Hunter • Nov 8, 2023

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

The Fast and the Curious post highlights how Core Web Vitals (CWV) have significantly improved web performance, saving Chrome users over 10,000 years of waiting for web pages to load in 2023. Introduced in 2020, CWV metrics have led to over 40% of sites passing all metrics, resulting in faster loading and more responsive pages. Chrome's collaboration with Google Search teams addressed slow web pages by defining public standards for fast, user-friendly pages and updating search ranking algorithms. The average page load in Chrome is now 166 ms faster, with projections indicating continued improvement in CWV pass rates. Chrome has implemented various optimizations, including back/forward cache improvements, preconnect features, and prerendering, which have led to substantial performance gains. The broader developer ecosystem, particularly WordPress and JavaScript frameworks, has also achieved remarkable results by focusing on CWV. These performance improvements have translated into real-world benefits for businesses, with companies reporting increased conversion rates, page views, and reduced bounce rates. The developer community's efforts in monitoring and optimizing for CWV have been crucial in sustaining these improvements, with high developer satisfaction rates and notable improvements in CWV scores.

https://blog.chromium.org/2023/11/how-core-web-vitals-saved-users-10000.html blog.chromium.org

RSS Hunter • Nov 7, 2023

Update to Developers: Chromium Issue Tracker migration

Chromium will migrate its issue tracker to Chromium Issue Tracker, powered by Google Issue Tracker, targeting early February 202This change aims to enhance the user experience for the long term. The migration will include all Chromium issues, including issue history and stars. The existing transparency levels to bugs will be maintained. Additional resources, including a walkthrough of the new issue tracker, will be provided before the migration. Existing Monorail issue links will redirect to migrated issues in the new tracker. Post-migration, there will be some differences, but the migration process is designed to be straightforward. If you have questions or concerns, contact [email protected].

https://blog.chromium.org/2023/10/update-to-developers-chromium-issue.html blog.chromium.org

RSS Hunter • Oct 16, 2023

Unlocking the power of TLS certificate automation for a safer and more reliable Internet

Automated certificate issuance and management enhances web security by fostering agility, resilience, and efficiency. It eliminates manual intervention, reducing errors and expediting the adoption of new security measures. Automation also increases resilience to CA incidents, internet security weaknesses, and cryptographic deprecations.The reduction in maximum certificate validity from unlimited to 398 days in recent years has strengthened security by mitigating the impact of key compromises and security flaws.Certificate automation, powered by standards like ACME, simplifies certificate management and allows for seamless protection against outages caused by certificate expiration or unforeseen events.ACME Renewal Information (ARI) enables CAs to notify web servers about impending certificate renewals, allowing for automatic replacement without human intervention.Automation reduces operational costs by freeing up IT resources, allowing them to focus on more strategic tasks.Incidents like Let's Encrypt's 2019 bug highlight the value of automation in responding swiftly to CA incidents.Automation also aids in the timely remediation of internet security weaknesses, as seen with the Heartbleed bug in 2014.Modern automation technologies like ACME and ARI reduce the burden on website operators to reissue affected certificates in response to security vulnerabilities.Shorter certificate validity periods minimize the window of opportunity for attackers, and automation facilitates the transition to reduced validity.Cryptographic deprecations, like the phasing out of SHA-1, are handled more efficiently with automation, ensuring continued security and compliance.

https://blog.chromium.org/2023/10/unlocking-power-of-tls-certificate.html blog.chromium.org

RSS Hunter • Oct 11, 2023

Unveiling the Chrome Web Store's Redesign

The redesigned Chrome Web Store features a user-centric focus, making it easier to discover extensions and themes. It includes a modern design and seamless navigation, allowing users to quickly find the right tools for their needs. Categories have been revamped to be more relevant and useful, and the store now features brand-new illustrations. Developers can self-nominate their extensions for consideration in the Editor's Picks collection. Some notable additions to the store include Instapaper for saving articles and Noisli for creating a focused work environment. Todoist for Chrome helps users stay organized, and the Asian & Pacific Islander Artist Theme Series celebrates diversity. The redesign aligns with the evolution of Chrome and the web, supporting a personalized browsing experience.

https://blog.chromium.org/2023/09/unveiling-chrome-web-stores-redesign.html blog.chromium.org

RSS Hunter • Sep 7, 2023

Towards HTTPS by default

Chrome has achieved significant progress in securing web traffic, with over 90% of navigations now using HTTPS. However, a stubborn minority of traffic remains on HTTP, leaving users vulnerable to network attackers.To address this, Chrome is implementing HTTPS-First Mode, which requires explicit permission before connecting to insecure sites.Automatic upgrades will seamlessly redirect HTTP requests to HTTPS, ensuring that insecure HTTP is used only when absolutely necessary.Chrome will also warn users before downloading high-risk files over insecure connections, protecting against malicious code.HTTPS-First Mode protections are being expanded to Advanced Protection Program users and Incognito Mode.Chrome is exploring automatic HTTPS-First Mode enablement for users with minimal HTTP usage.Developers are encouraged to fully adopt HTTPS and redirect HTTP URLs to HTTPS equivalents to avoid warnings and ensure user security.Enterprise networks can customize or disable these features through specific policies.Chrome remains committed to making the web secure by default, with HTTPS-First Mode as a major step towards this goal.Users can enable HTTPS upgrading and insecure download warnings in Chrome settings.For developers, ensuring HTTPS support and avoiding HTTP-only content is crucial to maintain user security.

https://blog.chromium.org/2023/08/towards-https-by-default.html blog.chromium.org

RSS Hunter • Aug 16, 2023

Protecting Chrome Traffic with Hybrid Kyber KEM

Google is actively preparing for the transition to quantum-resistant cryptography, updating technical standards and testing new algorithms.Chrome 116 will support X25519Kyber768, a hybrid mechanism combining X25519 and Kyber-768, for establishing TLS session keys.This change is part of a broader effort to protect against future quantum cryptanalysis attacks.Harvest Now, Decrypt Later attacks make it crucial to start protecting traffic today, even though quantum computers are not yet widely available.X25519Kyber768 adds extra data to the TLS ClientHello message, but experiments have shown compatibility with most implementations.Administrators can disable X25519Kyber768 in Chrome 116 using the PostQuantumKeyAgreementEnabled enterprise policy for compatibility issues.The X25519Kyber768 and Kyber specifications are still in draft and may change, potentially affecting Chrome's implementation.Quantum-resistant cryptography must be secure against both quantum and classical attacks, and also performant on commercial hardware.TLS symmetric encryption is not yet quantum-safe, but updating TLS session keys with quantum-resistant algorithms can protect against future attacks.The effort to migrate to quantum-resistant cryptography is a complex challenge, but Google and other organizations are actively working to ensure a smooth transition.

https://blog.chromium.org/2023/08/protecting-chrome-traffic-with-hybrid.html blog.chromium.org

RSS Hunter • Aug 10, 2023

Smoothing out the scrolling experience in Chrome on Android

Chrome's scrolling experience on Android has been improved significantly, reducing jank by half. The investigation revealed that inconsistent input rates caused visual jumps during scrolling. Chrome's resampling algorithm was found to be ineffective due to imprecise timestamps and suboptimal event selection. By adopting Android's resampling implementation and experimenting with various algorithms, a 1€ filter was implemented, which drastically improved scrolling smoothness. Metrics were developed to evaluate the quality of the scroll predictors, and the analysis showed a 2x reduction in visible jank. The improvement will be available in Chrome M116 and backported to M110, bringing Chrome on Android on par with Chrome on iOS. This case study highlights the importance of thorough investigation and experimentation in identifying and resolving performance issues, even when metrics do not fully capture user experience.

https://blog.chromium.org/2023/08/smoothing-out-scrolling-experience-in.html blog.chromium.org

RSS Hunter • Aug 8, 2023

Redesigning Chrome downloads, to keep you productive and safe online

Chrome's downloads experience has undergone a redesign to improve accessibility and usability. The new download tray, located to the right of the address bar, replaces the legacy downloads bar at the bottom of the screen. It features an animated ring for monitoring progress and automatically dismisses itself after downloads are complete.Users can view a list of all downloads from the past 24 hours in any browser window. The tray offers options for opening folders, canceling, retrying, and pausing/resuming downloads.Enhanced security measures are incorporated, with clear warnings for potential malware and a separation of trusted browser UI from web content.The transition to the new downloads experience is seamless, with all legacy functionality preserved. Developers are advised to update guidance and visuals for download journeys, and extension developers should note changes to the chrome.downloads extensions APIs.The redesigned download tray aims to streamline the downloading process, optimize screen space, and enhance user safety. Future releases will continue to improve the experience.

https://blog.chromium.org/2023/08/redesigning-chrome-downloads-to-keep.html blog.chromium.org

RSS Hunter • Aug 3, 2023

How Chrome achieved high scores on three browser benchmarks

Over the past year, Chrome has significantly improved its performance across Speedometer, MotionMark, and Jetstream benchmarks. These improvements were achieved through a combination of major projects and minor optimizations.Chrome's new mid-tier compiler, Maglev, reduces CPU time and saves battery life. Maglev has boosted Jetstream and Speedometer scores by 7.5% and 5%, respectively.Speedometer measures website responsiveness. Chrome's score has increased from 100 to 491 in recent releases.MotionMark tests graphics performance. Chrome's graphics and rendering teams have implemented over 20 optimizations, tripling performance.Jetstream benchmarks advanced web applications. V8 engine optimizations and Maglev have significantly improved Chrome's Jetstream score.These benchmark optimizations aim to enhance real-world user experiences.Chrome is investing in the next generation of benchmarks to ensure continued improvements.Maglev will be available in Chrome version 114, while other optimizations are already available.Chrome's performance improvements benefit users across various platforms.The team behind these optimizations hopes users enjoy a faster Chrome.

https://blog.chromium.org/2023/06/how-chrome-achieved-high-scores-on.html blog.chromium.org

RSS Hunter • Jun 2, 2023

An Update on the Lock Icon

Chrome will replace the lock icon in its address bar with a tune icon to indicate site settings. The lock icon, originally used to signal HTTPS connections, has become redundant as HTTPS has become the default. Research shows that the lock icon often misleads users into thinking it represents website trustworthiness. The tune icon, commonly associated with settings, will make site controls more accessible. Chrome will continue to alert users when connections are not secure. The new icon aims to emphasize security as the default and prevent misunderstandings. The change will be implemented in Chrome 117, releasing in early September 202The lock icon will still exist as an entry point to connection security information, but with a new top-level access point. Android and iOS will also see similar changes, with iOS removing the lock icon entirely as it is not tappable. The shift towards HTTPS and the adoption of the tune icon align with Chrome's and the security community's goal of a secure-by-default web.

https://blog.chromium.org/2023/05/an-update-on-lock-icon.html blog.chromium.org

RSS Hunter • May 2, 2023

More ways we’re making Chrome faster

Chrome's core principle of speed has driven recent performance enhancements. Technical improvements have resulted in a 10% increase in Apple's Speedometer benchmark. Improved HTML parsing, optimized features, and efficient pointer compression contributed to this boost. Chrome's JavaScript engine, V8, and garbage collector, Oilpan, have also undergone optimizations. Frequently accessed objects are now placed at the beginning of memory bases for faster access. Chrome on Android has been optimized for a small footprint, but a version targeting high-end devices is now available. This version uses compiler flags tuned for speed, resulting in a 30% faster Speedometer benchmark on capable devices. Chrome's speed enhancements aim to improve the overall browsing experience for users.

https://blog.chromium.org/2023/04/more-ways-were-making-chrome-faster.html blog.chromium.org

RSS Hunter • Apr 13, 2023