It’s important that you clear your browsers cache and cookies regularly. Doing it daily isn’t necessary, but doing it monthly (or even more regularly) would be wise.
In layman’s terms, cache and cookies are like little pieces of the websites that you visit. In the short term, they help you load that site faster when you visit it next. In the long term, however, as the sites change, the cache & cookies start clogging up processes (often because they are no longer part of the sites that you visit). Clearing them will help your browser run more smoothly!
Here’s how to do it in Google Chrome:
Note: it was really hard to make it through this post without using a lame pun with the words cache or cookie. In fact, I think that my self-restraint earned me a cookie…. oops.