There are reasons to clear your browser's cookies too, but we're going to focus on the cache here. This is how to do the job no matter what browser you're using.

You should clear your Mac computer's cache periodically to help your device's applications run more efficiently. Here's how to do it.

Is your computer running slower than normal? It may be time for you to clear your web browser’s cache to get some of that performance back. Here’s how.