: Must be set to true for the capacity setting to function.
: Sets a specific limit in KB. For example, 51200 would limit the cache to 50 MB. Recommended Values for Different RAM Sizes
Most users never need to touch this setting because modern Firefox versions (v4.0+) use dynamic cache sizing based on your available system resources. However, manually adjusting it can be beneficial in several scenarios: 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
: Type browser.cache.memory.capacity into the filter box. : Must be set to true for the capacity setting to function
The browser.cache.memory.capacity integer specifically controls the maximum size of this fast-access RAM cache in . Why Adjust It?
To get the most out of your memory cache, ensure the following related preferences are also set correctly in about:config : Recommended Values for Different RAM Sizes Most users
: Stores data on your hard drive or SSD. It is persistent but relatively slow to access.