Change my firefox cache limit
I want to reduce the cache limit
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Type about:config in the address bar > press Enter
- click 'Accept the risk and continue' if that appears
- search for browser.cache.disk.capacity > lower the value
- search for browser.cache.disk.smart_size.enabled > change the value to false
- restart FF
To turn off disk caching altogether, set browser.cache.disk.enable to false. I've done this with no noticeable effect. Try it if you have a high-speed connection and don't use a lot of RAM for other apps.