Browser.cache.memory.capacity !free!

This article explains what this preference does, how it works, whether you should modify it, and how to do so safely.

Before adjusting browser.cache.memory.capacity , one must understand where memory caching fits within Firefox’s architecture. Firefox employs a three-tiered caching strategy: Browser.cache.memory.capacity

At its core, browser.cache.memory.capacity is a hidden preference in Firefox's about:config menu. It determines the maximum amount of memory (in kilobytes) that the browser can use to store decoded images, scripts, and other web assets in your system's RAM. This article explains what this preference does, how