Is there a way to tell how long I have been on a web page?
I use some game pages that don't provide that information and I would like to know if I'm reaching certain levels in less time.
I use some game pages that don't provide that information and I would like to know if I'm reaching certain levels in less time.
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Go to the Mozilla Add-ons Web Page {web link} (There’s a lot of good stuff here) and search for what you want.