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Stop Safari Automatically Reloading Tabs in OS X Lion

You may have noticed a change in the way Safari manages tabs in Lion. When a tab has been left inactive for a while Safari may start reloading each tab as you switch to them.

Stop Safari Automatically Reloading Tabs in OS X Lion

The first step is to enable Safaris debug menu, to do this open the Terminal and type:

defaults write com.apple.Safari IncludeInternalDebugMenu 1

Relaunch Safari now and you should see the Debug menu appear beside the Help menu. In the Debug menu uncheck the “Use Multi Process Windows”. Now close all open Safari windows, and that’s it tabs will now stop unexpectedly reloading. From now on all windows will have [SP] as a suffix to the page title, which stands for Single Process.

Safari debug menu - Multi process windows

If you do miss using any gestures or extensions all you need to reselect the Use Multi Process Windows option and to remove debug menu from Safari reopen the Terminal and this time enter:

defaults write com.apple.Safari IncludeInternalDebugMenu 0


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Christopher Lee

I’m a digital marketer and affiliate consultant working across content, SEO, monetisation and conversion. I’m particularly interested in building useful digital products and finding practical ways to grow and monetise websites. If you’d like to talk about a project, please get in touch.

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