: Stores data on your hard drive or SSD. It is persistent but relatively slow to access.
To get the most out of your memory cache, ensure the following related preferences are also set correctly in about:config :
: Type browser.cache.memory.capacity into the filter box. Browser.cache.memory.capacity
: 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 : Stores data on your hard drive or SSD
Understanding browser.cache.memory.capacity The browser.cache.memory.capacity preference is a critical setting in Firefox and related browsers that determines how much is used to store recently accessed web data. By fine-tuning this value, users can significantly influence their browser's responsiveness and overall system performance. What Does This Setting Do?
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 : Sets a specific limit in KB
Web browsers typically use two types of caches: and memory cache .