Macworld A collaboration of developers announced on Monday that Speedometer 3.0, a new version of the online tool used to gauge the speed of web browsers. Developed by Apple, Google, Microsoft, and Mozilla, Speedometer 3.0 claims to be “a better way of measuring performance and a more representative set of tests that reflect the modern Web.” Speedometer was originally created by Apple 10 years ago, and critics of the benchmark claimed that it was optimized for Apple’s WebKit/JavaScriptCore browser engine, so its results would favor Safari over third-party browsers. This collaboration creates “…