justice.js A performance metric bar with a streaming FPS graph. github.com/okor/justice | @okor How to use <script type="text/javascript" src="justice.min.js"></script> <script type="text/javascript"> Justice.init(); </script> With options <script type="text/javascript" src="justice.min.js"></script> <script type="text/javascript"> Justice.init({ metrics: { TTFB: { budget: 200 }, domInteractive: {