Absolutely fantastic addon. I'm a tab hoarder and this cut my ram usage from 45GB down to 20GB! Very impressed!

Invaluable!

Great add-on, why is this not integrated into Firefox directly? Pretty sure Chrome is good at suspending tabs intelligently, but FF lately has been hogging CPU on certain idle sites, just freeze their DOM & JS execution.

Great add-on, thank you! Would it be possible to add an option to disable all tabs except the current one? That would be incredibly useful.

Extremely customizable, convenient, and does exactly what you want it to and more. A great extension for saving battery and memory whilst retaining any information you have on these pages and won't put tabs to sleep that have important information on them. Great extension.

It's amazing! Exactly what I needed

This add-on saved the day. My mac fan automagically stopped spinning.