Categories provide a helpful way to group related posts together, and to quickly tell readers what a post is about. Categories also make it easier for people to find your content.WordPress
As explained in the below post, as a content creator, you should not ignore them – they can make or break the blog experience if not used properly. While categories are meant to sort blog posts, they can also be thought of as a table of contents (see the so-called widget on the right) or topics. This post is all about the latter: what is your favorite topic?