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How completely disable firefox activity in background?

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  • Letzte Antwort von Terry

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Firefox consumes a lot of processor time in background. How to disable it?

Following options do nothing: Use recommended performance settings - dasabled Use hardware acceleration when available - disabled browser.tabs.remote.autostart = false

Firefox consumes a lot of processor time in background. How to disable it? Following options do nothing: Use recommended performance settings - dasabled Use hardware acceleration when available - disabled browser.tabs.remote.autostart = false
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Alle Antworten (10)

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Only Firefox running in background

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If you run with native Wayland (MOZ_ENABLE_WAYLAND=1), it will avoid rendering occluded windows.

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Nothing has changed formally In fact, the processor fan stopped turning on, which means that part of the load was turned off. This is a good step in the right direction. Anything else I can do? That do you think about "safe mode"?

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You can try Firefox from the official Mozilla server if you currently use a version from the repositories of your Linux distribution to see if it behaves differently.

You can create a new profile as a quick test to see if your current profile is causing the problem.

See "Creating a profile":

If the new profile works, you can transfer files from a previously used profile to the new profile, but be careful not to copy corrupted files to avoid carrying over problems.

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Open Firefox Task Manager (Shift+Esc) to see the processes using CPU. You can also show threads by changing toolkit.aboutProcesses.showThreads to true in about:config. Record a performance profile to get even more details and a sharable link.

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Using Wayland really help to decrease processor load. But there are number of processes working in background. I do not need it. Absolutely. How to disable any activity on inactive tabs and unfocused windows?

Geändert am von Andrey Sherstobitov

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Does anyone know a working browser that does not load the processor with a bunch of background tasks and supports some kind of adblock? Opera?

Geändert am von Andrey Sherstobitov

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Close processes in about:processes (Shift+Esc) to free up memory.

Reduce the number of processes per site by changing dom.ipc.processCount.webIsolated to 1 in about:config.

Unload tabs automatically by changing browser.tabs.unloadOnLowMemory to true in about:config and increase browser.low_commit_space_threshold_percent to make it more aggressive.

Install an extension like Offline when Minimized or Auto Tab Discard.

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