Speedometer has long been Google’s preferred benchmark, previously noting how it’s the “most reflective of the real world” when comparing JavaScript performance. Speedometer 3.0 is now available. Speedometer 3.0 is the result of a collaboration (joint multi-stakeholder governance model) between the Blink/V8, Gecko/SpiderMonkey, and WebKit/JavaScriptCore browser engines, with Microsoft also involved. Version 1.0 in 2014 was created by the WebKit team, while 2.0 saw a partnership between Apple and...