Browser.cache.memory.capacity (360p)

browser.cache.memory.capacity is a hidden configuration preference (found in about:config ) in the Mozilla Firefox web browser. It controls the maximum size of the browser’s —a temporary storage area in your computer’s RAM (Random Access Memory) used to store web resources for the duration of a browsing session.

Stores data on your hard drive (SSD/HDD) for long-term persistence. Browser.cache.memory.capacity

To understand this setting, we must first understand the difference between and Disk Cache . browser

After 2,500 words of deep analysis, here is the straightforward verdict: To understand this setting, we must first understand

the value can make browsing faster and more "snappy" on sites with many media assets (like Google Photos or Artstation) because the browser doesn't have to fetch them from the slower disk cache or the internet. Decreasing

: Stores frequently accessed content directly in your RAM.

For Mozilla Firefox users, one such hidden treasure is the preference . This seemingly obscure setting determines exactly how much of your computer’s RAM (Random Access Memory) Firefox is allowed to use for storing web data temporarily.