How to accurately measure HTML5 Browser Framerates (FPS)?

Question

What is the most accurate way to measure framerates, i.e. FPS, in modern HTML5 browsers? I\'m specifically interested in FPS for Canvas animations.

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Answer 1

Please check:

• https://github.com/mrdoob/stats.js - it's the best FPS monitor I know. It also gives you some stats about mem/cpu usage (you have to run your browser with special parameter to expose that data), but may also suffer from the inaccuracy you described.

• https://github.com/pcwalton/firefox-framerate-monitor

Also, in new chrome builds (probably canary stream) there should be an option for displaying FPS in about:flags.