Web Page Analyzer Browser Extension for Firefox and Chrome

This webextension will add a button to your browser which allows to directly analyze how much image optimization can be achieved.

Chrome installation instructions

Go to the Chrome Extensions settings page

chrome://extensions

then click on Developer mode and Load unpacked extension... button.

Firefox installation instructions

Go to the Add-ons panel

about:debugging

and load the extension by clicking on the Load Temporary Add-on button.