Lovely and simple. I did a brief code audit to confirm it only stores information offline and doesn't ping a remote server for any reason.

IF YOU HAVE PROBLEMS GETTING EXTENSION TO WORK: Remove from firefox, completely reinstall and when reinstalling, DON'T allow to run in incognito tabs. If you do this everything should work just fine, if not keep reinstalling until it does.

Very helpful tool. I just wish that it would also track pop-up videos. My university's website uses old people font sizes so I'm constantly at 50% to keep everything in my monitor, but my lectures become too small so I use that pop out thing. This tracker doesn't include those since you technically click out of the window to view it; it's too much of a hassle to keep clicking the site after opening it and then clicking the video whenever I want to pause it instead of pressing space, so I lose that tracking history.

スリープ復帰するとスリープ中の時間がアクティブなタブに加算されることがあるため、集計が正確ではない。

It doesn't work more, just stopped. :/

It is working, if you have problems try removing and downloading again, worked for me.

Just installed, doesn't work, doesn't show or record any time.

This looks like a really cool addon, but sadly the timer itself isn't working. Tho I can see what websites I have visited. If you have any suggestions for help I'd love to hear it!

EDIT: I'm not sure if restarting did the trick, or if I was just confused by the UI showing only minutes but no indication it's actually ticking by. But it seems to be working now

Excellent addon! Really disturbing (but in a useful way)
Actually, it would be good if numbers on counter be bigger.
And if you could have both options "time spend online" and "on which sites" in the same time.
Still it's a good addon I'm glad I found it! Thank you!^^

Doesn't work properly for some reason.

The idea is excellent

Doesn't seem to work. Icon visible but no time. Summary page is blank & menu doesn't work. Ironic that an add-on designed to stop wasting time actually does the opposite.