Google Chrome is the fastest browser in Speedometer 3.0 history

Google Chrome

Google Chrome has once again taken the crown as the world’s fastest browser, achieving the highest score ever in the Speedometer 3.0 test. This milestone marks a significant achievement for the browser, which has consistently pushed the boundaries of performance and speed. In this article, we will delve into the details of how Chrome achieved this feat and what optimizations were made to achieve such remarkable results.

Google Chrome Speedometer 3.0 history

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Speedometer 3.0: The Industry-Standard Benchmark Tool

Speedometer 3.0 is an open-source benchmark tool developed by major players in the browser market, including Apple, Google, Microsoft, and Mozilla. This tool simulates real-world user operations in modern web applications, such as adding to-do items and editing text, to test the browser’s responsiveness in handling these tasks. By repeatedly running these tasks at extremely fast speeds, the benchmark can measure browser performance and clearly show the capabilities of each browser. The fairness of the test tool can be ensured due to its collaborative development by industry leaders.

The key improvements in Speedometer 3.0 include cross-industry collaboration, a new governance model, an enhanced test runner, and a broader range of user experiences. The benchmark is now hosted in a shared repository open to contributions, promoting collective effort and consensus-driven decision-making. The test runner has been improved to measure more of the work browsers do in response to user actions, including painting and asynchronous tasks. Additionally, the benchmark includes a wider variety of workloads that cover a broader range of APIs and features, simulating common user interactions such as adding to-do items, editing rich text, rendering charts, and reading news websites.

As the web continues to evolve, this collaborative benchmark will play a crucial role in driving performance optimizations. This will ensure that browsers can handle the demands of modern web applications. The improved developer tooling in Speedometer 3.0 allows browser engineers to better understand results, profile, and customize the test. This makes it a valuable tool for browser development and optimization.

Chrome’s Optimization Strategy

To achieve the top spot in the test, Google made some clever optimizations to Chrome. “By looking at Speedometer’s workload and the functions where Chrome spent the most time, we were able to make targeted optimizations to those functions, improving Chrome’s score,” Google noted. Engineers dug into resource-intensive functions like “SpaceSplitString” and simplified operations like string handling and stylesheet deduplication. They also fine-tuned the rendering process to reduce extra memory usage when drawing things like form elements.

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In areas where there are duplicate stylesheets, Google dedupes them and references a single stylesheet instance. To reduce the cost of drawing paths and arcs, Google optimized the tuning memory allocations. We made an optimization to reduce the cost of drawing paths and arcs by tuning memory allocations. When creating form editors Google detected some unnecessary processing that occurs when form elements are created. Within querySelector, the company detected the selector that was commonly used and created a hot path for that.

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Code Layering and Garbage Collection

Google also focused on “code layering” to further optimize the engine by selecting the most appropriate code. This approach ensures that optimization efforts focus on the most impactful areas. Improvements in garbage collection also increased Speedometer scores by about 3%. These optimizations not only improved Chrome’s performance but also reduced memory pressure and garbage collection time.

Collaboration with Harfbuzz

Google worked with the maintainer of the text shaping engine HarfBuzz to improve the way Chrome renders Apple’s AAT font format. This collaboration led to faster text processing when using AAT fonts, further enhancing Chrome’s performance.

Market Share and Competition

While speed is just one of many factors that affect the browser experience, Chrome’s dominance in the market is evident. According to StatCounter data, as of May 2024, Google Chrome accounts for an astonishing 65.12% of the global browser market. In second place is Apple’s Safari, with only 18.17% share. In third place is Edge, with a market share of only 5.21%. Other players in the market include Samsung Internet, Opera, UC Browser, and Firefox. Samsung Internet has a significant market share of 4.38% in 2024, as reported by Statcounter. Opera has a market share of 2.15% in 2024, as reported by Statcounter. UC Browser has a market share of 1.36% in 2024, as reported by Statcounter. Firefox has a relatively smaller market share of 0.5% in 2024, as reported by Statcounter.

Speed of ChromeOS

Regional insights suggest that the North America and Asia-Pacific regions are key contributors to the growth of the mobile web browser market. The Asia-Pacific region holds a pivotal role in the global Mobile Web Browsers market. It is driven by a combination of factors that make it a dynamic and rapidly growing market. The region’s high smartphone penetration rates and pervasive internet usage contribute to its share of the mobile web browser market. The browser market seems to have stabilized, with minimal changes in rankings over the past five years. For this reason, this trend is likely to continue in the future.


Google Chrome’s achievement in Speedometer 3.0 is a testament to the browser’s relentless focus on performance and optimization. By targeting specific areas for improvement and collaborating with industry partners, Chrome has solidified its position as the world’s fastest browser. While other browsers, such as Firefox, continue to narrow the gap, Chrome’s market share remains unparalleled. As the browser landscape continues to evolve, it will be interesting to see how Chrome and its competitors adapt to the ever-changing demands of web users. What do you think about Chrome’s performance? Do you prefer Google Chrome for your browsing activities? Let us know your thoughts in the comment section below

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