Now hook it Warn when exiting the browser also on. We tried it: The warning function when exiting the browser remains active. You already know. However, a quick test has shown that these numbers are often incorrect.
However, the number in the closing dialog was exactly right in our experiments. Improve this answer. This answer is nice since it is so simple. It seems to provide the maximum number of tabs which have been open which might not be the current number of tabs if you've closed any since reaching the high water mark. This should be the accepted answer. Note that browser.
If you want the "current" value, you can quit and restart. I could be wrong and clearly have a problem that I need to address And this evening perhaps I should practice a bit of browser sanitation. I closed some tabs and the value updated after restarting the browser restart, not refresh the tab. Closing a few hundred seems in order. A script to count tabs:! Mechanical snail Mechanical snail On current firefox versions that sessionstore.
See also dutherenverseauborddelatable. Mechanical snail: I didi not find the add-on named Tab Count Loggerin the mozilla extensions. Which version it supports? Please let me know. Sign up or log in Sign up using Google. However, if you want to know the count of tabs opened in the browser, enable the exit warning dialog to see the number. Go to Scalars. Then, locate browser.
The value of key gives you the count of maximum concurrent opened tabs in current browser session. It means that the count is the maximum number of tabs you ever opened during the session of Firefox browser.
But Firefox could be running slowly regardless of how many tabs you've got open. We'll show you how to use tab suspension to speed up Mozilla Firefox without closing tabs, as well as other proven methods. First, make sure it's Firefox that's the problem. These guides can help you identify if other application are using a lot of your computer's memory or causing CPU spikes:.
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