Browser.cache.memory.capacity [best] May 2026

This setting is found in the ( about:config ). Step-by-Step Instructions

: Open a new tab, type about:config in the address bar, and press Enter. Click the button to "Accept the Risk and Continue". Browser.cache.memory.capacity

Note: If the preference does not exist, right-click any blank area, select , and name it exactly as written above . Enter a Value : This setting is found in the ( about:config )