These two tweaks should improve Firefox's performance on YouTube significantly

[harlan4096]

As a user of the open source Firefox web browser, you may have noticed that some services and websites do not perform as good as on a Chromium-based browser.

This is not always the fault of Mozilla or the Firefox web browser, as some sites may not test the performance or stability on Firefox, while others may introduce changes that knowingly reduce the performance.

Google-owned YouTube appears to fall in the latter category, which I have revealed time and time again here on this website.

If you do use Firefox and feel that the performance of YouTube is lacking, you may be interested in two upcoming changes that might change that for the better.
Good to known: While the changes are not yet finalized, good news is that you can make them in the latest stable version of the browser already.

The first change enables WebRender Layer Compositor. Put simply, this technology limits what needs updating on the screen when something moves or changes. The effect should be improved scrolling, less or no stuttering for animations or videos, better battery life, and improved performance on heavy sites that tax the device.

Here is how you enable the feature:

1. Load about:config in the Firefox address bar.
   
2. Confirm that you will be careful and understand the risks.
   
3. Search for WebRender Layer Compositor.
   
4. Toggle the feature to True.
   
5. Restart Firefox.
   

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