Q&A for How to Make Your PS3 Faster

Yes. Create a backup if you intend on hard resetting your console.

Dust reduces cooling by insulating internal parts and restricting cooling ports. Computer hardware is most efficient when it's running cool.

Check to see if the disc is scratched. If it's not, try cleaning the lenses that scan the game.

The article describes several distinct methods to improve your PS3's speed. You are not required to perform all of them, but you can combine multiple methods if desired, as they may address different aspects of performance.