Google Chrome breaks its own speed records on macOS Tahoe

Google has posted benchmarks from its own testing with its Chrome browser on the Mac, and the results show a nice speed improvement. In Speedometer 3.1 tests, Chrome posted a score of 61, which is a 5 percent improvement over results posted a year ago. Chrome also recorded a score of 469 in JetStream 3 tests, which is a 10 percent increase.

While a 5 to 10 percent increase doesn’t seem like much, consider that last year, Google reported a 22 percent Speedometer improvement from 2024 to 2025. So that’s a sizeable 30 percent boost over a two-year span. Faster is always better, especially when it comes to browsers, since web content and sites are becoming more and more complex.

Google states that it performed most of its optimizations on JavaScript. One optimization involves “fast paths” where the browser’s engine can skip unnecessary execution steps. The handling of async and generator functions has been improved, optimized BigInt handling, and more….