Speedometer 3.0 adds new workloads for browser benchmarking
Briefly

Its intention is to simulate what users actually do on websites, including editing rich text, reading a news site, working with a to-do list, etc.
Speedometer 3.0 includes added contributions from Microsoft and Mozilla and, according to the Speedometer team, is 'a collaborative effort between the three major browser engines: Blink, Gecko, and WebKit.'
Read at Theregister
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