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When you clear cache in Firefox, it can help improve browsing speed by removing unnecessary stored files. The cache stores temporary website data to load

Tahneet Kanwal
January 11, 2026
When you clear cache in Firefox, it can help improve browsing speed by removing unnecessary stored files. The cache stores temporary website data to load pages faster, but with time, these files can slow down your system. Since the cache doesn’t hold important data, there’s little risk in clearing it.
However, personal information, like login details, could be accessible to others if left in the cache. Regularly clearing the cache helps maintain browser performance and security.
In this blog, let’s look at how to clear cache in Firefox browser.
Here’s how to clear cache in Firefox browser manually:


Note: Test websites on real Firefox browsers. Try TestMu AI Today!
To clear your cache automatically, Firefox can be set up to remove all cached data each time you close the browser.



To clear the cache in Firefox with keyboard shortcuts, follow these steps:
Now you know how to keep Firefox running smoothly by clearing its cache, either manually or automatically. While cached files help websites load faster, too many old files can slow down your browser and might expose your private information. Whether you choose to clear your cache manually or set Firefox to do it automatically when you close it, the process is quick and easy.
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