Building a reliable benchmark with representative tests and workloads is challenging enough. That task becomes even more challenging if it will be used as a tool to guide optimization of browser engines over multiple years. To develop the Speedometer 3 benchmark, the Chrome Aurora team, together with colleagues from other participating browser vendors, were tasked with finding new workloads that accurately reflect what users experience across the vast, diverse and eclectic web of 2024 and beyond. A few tests and workloads can’t simulate the entire web, but while building Speedometer 3 we have
Speedometer 3: Building a benchmark that represents the web… Additionally to just measuring the pure execution speed we have "startup" workloads that include parsing and frameworks setup code – more closely matching what happens on initial page load. babylonjs: Startup and execution of the JavaScript core of the Babylon.js 3D engine. bigint-noble-ed25519: Bi… …
The Fast and the Curious Chrome achieves highest score ever on Speedometer 3.1, saving users millions of hours Jun 05, 2025 · Thomas Nattestad 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. …
… Speedometer 2.0, a result of a collaboration between Apple and Chrome, followed in 2018 , and it included an updated set of workloads that were more representative of the modern web at that time. The web has changed a lot since 2018, and so has Speedometer in its latest release, Speedometer 3. …
… We also now include Speedometer 3 , the latest version of the industry-standard browser speed benchmark, in the workloads used to generate the orderfile. Together, these build optimizations account for more than half of the overall Speedometer score improvements. …