http://blog.csdn.net/violet_day/article/details/18734421
Https://developer.mozilla.org/en-US/docs/Mozilla/Preferences/Mozilla_networking_preferences#Cache
In the Address bar, enter: About:config
Then type in the filter: browser.cache.disk.enable
Explanation: When a page was loaded, it can be cached so it doesn ' t need to being downloaded to be redisplayed. For e-mail and news, messages and attachments is cached as well. This preference controls whether to use the hard drive for caching purposes. browser.cache.disk.capacity controls the maximum amount of disk space to use.
Set to False
Done
Add:
There's also an article on the web that shows how to turn off caching
In the Address bar, enter: About:config
Enter in filter: Network.http.use-cache
Explanation: When a page was loaded, it can be cached so it doesn ' t need to being downloaded to be redisplayed. This preference controls whether to the cache files retrieved by HTTP or HTTPS either in memory or on disk.
Set to: False
Done
Summary: It seems that both are useful.
There is also an attribute: browser.cache.memory.enable
Network.http.use-cache refers to setting does not cache.
Browser.cache.disk.enable/browser.cache.memory.enable refers to whether the settings are saved on disk or memory after the above property is turned on (true).
So, Network.http.use-cache is the premise.
Turn off caching in Firefox