: If you have a computer with limited RAM (e.g., 2GB or less), capping this value can prevent the browser from "hogging" memory and slowing down other applications.
: Open a new tab, type about:config in the address bar, and press Enter. Click the button to "Accept the Risk and Continue".
Web browsers typically use two types of caches: and memory cache . Browser.cache.memory.capacity
While modern browsers are excellent at managing memory on their own, understanding browser.cache.memory.capacity empowers you to optimize your browsing experience to match your specific hardware and privacy needs. Firefox/Tweaks - ArchWiki
: Set to false if you want to bypass the slower disk cache entirely and rely only on RAM. : If you have a computer with limited RAM (e
: Sets a specific limit in KB. For example, 51200 would limit the cache to 50 MB. Recommended Values for Different RAM Sizes
Historically, the MozillaZine community suggested these starting points for older hardware: Physical RAM Suggested Cache Value (KB) -1 (Automatic) Related Settings for Better Performance Web browsers typically use two types of caches:
: Automatically determines the cache size as a percentage of your physical RAM. 0 : Disables the memory cache entirely.
: Must be set to true for the capacity setting to function.
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