There you go! Rated 4 out of 5 stars

Now it works! I gave it a second chance and now it works and works well. Good job!

It was as if it isn't even there! Rated 1 out of 5 stars

I had it for a while before needing it. When I did come across a situation that required muting background tabs it utterly failed- A total crash and burn!

This review is for a previous version of the add-on (0.9.8).