How do I backup my Cache?

[thesonicguy]

How do I backup my Cache data in FireFox?
I lose all my Cache date if FireFox crashes.

[Underage_Thinker]

Please define what you are worried about losing. Bookmarks, recently viewed pages ect.

[thesonicguy]

Please define what you are worried about losing. Bookmarks, recently viewed pages ect.

It's the viewed pages " like the videos, games, pictures from the internet.
I have a low internet speed.