The browser.cache.memory.capacity setting dictates the boundary limits for this secondary, high-speed RAM layer. Default Behavior and Core Values
Users can mark privacy-sensitive sites (banking, email) as "Exclude from memory cache" — those responses go only to disk or not cached at all. This uses the underlying capacity preference but adds site-level exceptions.
But he was just a variable. He couldn't change himself. He needed the User. Browser.cache.memory.capacity
Think of your browser like a chef. The (Disk Cache) is the deep freezer in the basement—it holds everything, but it takes forever to go down and get it. The RAM (Memory Cache) is the cutting board right in front of the chef. The Backstory: Speed vs. Space
There are three distinct profiles of users who might want to deviate from the -1 default. The browser
The browser.cache.memory.capacity controls the maximum size of the first layer .
Type about:config in your address bar and press Enter. Click the button to "Accept the Risk and Continue." But he was just a variable
The decision to modify this capacity often stems from a fundamental trade-off: High Capacity Benefits:
Now go forth, open about:config , and tweak with confidence.