Browser.cache.memory.capacity

To change this capacity, you must access the advanced configuration editor: about:config in the Firefox address bar and press Enter. Search for browser.cache.memory.capacity If it doesn't exist, you can create it as a new preference. Enter your desired value in for 512 MB). browser.cache.memory.enable for these changes to take effect. mozillaZine Verification

The value you enter is measured in . Here are the most common configurations: 1. Automatic Management (The Default) Firefox/Tweaks - ArchWiki Browser.cache.memory.capacity

browser.cache.memory.capacity is a powerful lever, but it is just one part of Firefox’s sophisticated caching machinery. It works best when paired with a fast DNS, regular cookie cleaning, and an updated browser. To change this capacity, you must access the

disk caching to force the browser to only use RAM for its cache? Browser.cache.memory.capacity - MozillaZine Knowledge Base browser

Now open about:config with confidence, but adjust with care.

If you are running an older laptop with only 4GB or 8GB of RAM, a browser eating up too much memory can cause the entire operating system to slow down (swapping to disk). If Firefox is too aggressive with its memory cache, it might leave little room for your OS or other apps. In this case, lowering the capacity can prevent system sluggishness, trading a tiny bit of browser speed for overall system stability.