Firefox Dev Tools Profiler
Purpose:: Analyze webpage performance
Website:: https://profiler.firefox.com/
Docs:: https://profiler.firefox.com/docs/
Source Code:: https://github.com/firefox-devtools/profiler
Community:: https://chat.mozilla.org/#/room/#profiler:mozilla.org
Description
The Firefox Profiler visualizes performance data recorded from web browsers. It is a tool designed to consume performance profiles from the Gecko Profiler but can visualize data from any profiler able to output in JSON. The interface is a web application built using React and Redux and runs entirely client-side.
Measure Power Usage
The Firefox profiler can analyze power usage of a website (Apple M1 and Windows 11 only).
Tutorials
Power measurements and CO2e estimates in Firefox Profiler by Fershad Irani
FOSDEM 2023 - Power profiling with the Firefox Profiler by Florian Quรจze (Firefox performance engineer)
Trying out Firefox 104 energy measurements by Green Coding Solutions
Measuring website energy consumption via browser profiling by David Mytton