nicjansma / perfbar.js

Floating performance toolbar, powered by Boomerang

PerfBar (TamperMonkey script)

Adds a floating toolbar with performance data for every site you visit.

Powered by Boomerang

There are two versions of the toolbar:

perfbar.user.js shows the following:

perfbar-min.user.js shows just the Load Time and Time to Interactive:

Install via TamperMonkey

Credits

• Charie Vazac
• Nic Jansma