Browser.cache.memory.capacity __top__ — Tested

Among the hundreds of hidden preferences lies a particularly powerful, yet often misunderstood, integer value: .

that determines how much system RAM (memory) the browser can use to store web pages, images, and scripts for instant retrieval. Unlike the disk cache, which stores files on your hard drive, the memory cache is significantly faster but is cleared every time you close the browser. 1. How to Access the Setting Browser.cache.memory.capacity

Altering this value is a classic engineering trade-off between and resource contention . Among the hundreds of hidden preferences lies a

, some users report that it feels increasingly obsolete as browsers move toward more aggressive, automated multi-process architectures. Furthermore, tools like the Firefox Cache Monitor (accessed via about:cache?device=memory yet often misunderstood