With some settings adjustments (e.g. raising the discard delay to more like an hour than just a few minutes) this module works just great. Using it I managed to tame Firefox' memory consumption enough to make it a stable browser again.

I categorize this add-on as *essential*, at least for people who use more than a handful of tabs, and/or who don't like wasted RAM. **Ever since installing this, it's as though I installed another 2 GB of RAM. ** It should be built in to Firefox. I wrote angry letters to Firefox about their reckless waste of RAM, and even suggested they free up memory exactly as this add-on does. Firefox is nasty -- it will keep on using RAM till there's 98% memory in use and the whole machine grinds to a halt. I was on the verge of abandoning Firefox over this. No installation of FF is complete without this functionality.

This add-on makes my 7-year-old laptop not hang anymore. Now I can wait for the Ryzen 3000 price drop after the initial launch. Thanks bro

It's good. Works almost like The Great Suspender for Chrom(e/ium).

Amazing add-on! Lots of options to customize it to your liking as well.

Literally saved my laptop. Now I can continue hoarding tabs like I usually do without the laptop slowing down to the point where it would take forever to do anything :D

Update request: Ability to whitelist domains to never suspend. I like that I can not suspend pinned tabs, but I only pin a few tabs regularly and forget on others that may need to stay active.

Love this Extension. I like to keep tabs open as I switch between many tasks throughout the day, and keeping the tab open reminds me what I haven't finished yet! The company wont give me more RAM, so this is a great solution to the performance issue having 25 tabs open can cause!