Improving Performance in Firefox and Across the Web with Speedometer 3

**Improving Performance in Firefox and Across the Web with Speedometer 3**

In collaboration with the other major browser engine developers, Mozilla is thrilled to announce Speedometer 3 today. Like previous versions of Speedometer, this benchmark measures what we think matters most for performance online: responsiveness. But today’s release is more open and more challenging than before, and is the best tool for driving browser performance improvements that we’ve ever seen. This fulfills the vision set out in December 2022 to bring experts across the industry together in order to rethink how we measure browser performance, guided by a shared goal to reflect the real-world Web as much as possible. This is the first time the Speedometer benchmark, or any major browser benchmark, has been developed through a cross-industry collaboration supported by each major browser engine: Blink, Gecko, and WebKit...

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