This setting is found in the ( about:config ). Step-by-Step Instructions
: Sets a specific limit in KB. For example, 51200 would limit the cache to 50 MB. Recommended Values for Different RAM Sizes 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 This setting is found in the ( about:config )
: Must be set to true for the capacity setting to function. Recommended Values for Different RAM Sizes While modern
Web browsers typically use two types of caches: and memory cache .
: Stores data directly in your RAM. It is extremely fast but volatile, meaning it is cleared whenever the browser or computer restarts.
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: