Because of how much you use a web browser on a daily basis, a lot of information can be stored within the cache such as passwords, usernames, sites visited, etc. It is a good idea to clear it on a fairly regular basis to increase security. This may delete saved usernames and passwords. However, based on our guide on using a browser to save passwords you should avoid saving them on a browser in the first place.
Included here are guides on how to clear your cache for several popular internet browsers:
If you use any other type of browser not listed here, you can always try a quick Google search “How to clear [name of browser] cache & cookies”.