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How to set up the number of tabs restored at once after a reboot?

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I usually have opened one or two windows with a total of 15-20 tabs at once. When I restart Firefox, it loads the tabs in the background, but only three at a time. It can get a while to load all of them, and it is sluggy while loading. I have a four core processor and lots of RAM, so I wouldn't mind to trade processor time and/or RAM for speed. Also, I don't mind wandering in about:config or installing a new add-on. How can I set up Firefox so it loads more (about 8-10) tabs at once while restoring a session?

I usually have opened one or two windows with a total of 15-20 tabs at once. When I restart Firefox, it loads the tabs in the background, but only three at a time. It can get a while to load all of them, and it is sluggy while loading. I have a four core processor and lots of RAM, so I wouldn't mind to trade processor time and/or RAM for speed. Also, I don't mind wandering in about:config or installing a new add-on. How can I set up Firefox so it loads more (about 8-10) tabs at once while restoring a session?

Alle antwurden (3)

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See:

  • Tools > Options > General > Startup: "Don’t load tabs until selected"

The "Don’t load tabs until selected" setting toggles the browser.sessionstore.restore_on_demand pref on the about:config page.

If restore_on_demand is set, pinned tabs are restored on startup by default.
When restore_on_demand is set to true, the restore_pinned_tabs_on_demand pref overrides that behavior, and pinned tabs will only be restored when they are focused.

Firefox loads a maximum of three tabs at a time and this value is hard coded (MAX_CONCURRENT_TAB_RESTORES = 3) and cannot be changed anymore via the browser.sessionstore.max_concurrent_tabs pref.

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Why that change? Why deprecate a setting that only power users who knew what they were doing changed, and that can do good in the right hands? Is there any hope that this setting (or a similar one) will get enabled in a future release?

Lately, I'm having a feeling that Mozilla no longer thinks about its power users, the ones that will evangelize more, and makes breaking changes without worrying about them. The ones that are fleeing to the other open source browser. Maybe it's time for me to think about switching, too. Sadly...

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