Make Firefox Start Quicker By Only Loading Tabs As You Use Them

If Firefox is a bit slow to start up and fast to use up RAM due to tons of open tabs, you can turn on a quick setting in Firefox 8 to only load tabs one at a time, when you click on them.

Firefox 8 introduced a few different features, but one that slipped by us was a new BarTab-like feature that stops Firefox from auto-loading tabs. If you have Firefox set to open up your tabs from last time whenever you start it up, you probably notice it takes a while to start up and can start taking up RAM pretty quickly. To keep its memory usage low, just head into Firefox's Options, go to General, and check the "Don't load tabs until selected" box. From then on, it will only load tabs as you click on them. You'll be less likely to get crashes, and it won't take quite as long to start up and get working. You may have to wait for a second or two when you do switch to those tabs, but it's a fair trade, depending on how many you usually have open at startup.

Changes to "Don't Load Tabs" option [Firefox Extension Guru's Blog]


    what if the option is there but its grayed out and cannot be clicked on?

      It can only be checked if you have the "show my windows and tabs from last time" selected. The other two settings show that option greyed out.

      I had same situation until I disabled 'tabmixplus'

        But the load windows and tabs from last time setting is greyed out and can't be selected! That's what I want to select :)

    Is there a way to unload and load tabs with FF 8? Like when BarTab used to work.

    This is annoying- I sometimes open stuff in tabs so that it's loaded when I finally get to it- this new feature means that I have to click on the tab then go back to what I was reading. Any way to turn it off?

      just uncheck the box


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