How to use WordPress Tags and Categories

Learn about the nature of WordPress Tags and Categories, and how you can make these taxonomy tools work in your favour by making users and search engines find your content in an easy way.
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Categories and Tags are two useful tools for organising the contents of your WordPress blog or site. Depending on the nature of your content, you might end up using one or the other, or even both of them simultaneously. It is important to make the choice early on, preferably from day 1 to avoid complications later on. One must also be careful of the effects that this choice has on your site’s SEO. But before we get to that, let’s try to understand what Categories and Tags actually are and how they should be used.


Categories are more of a traditional organisation tool, similar to folders on Windows or drawers in real-life. In a category we can put articles that are all about some general topic,  on this very site, for example, content is organised into categories like Articles, Hacks, News and Plugins. Thus all the plugin reviews I write will go into the Plugins category and so on. It is also quite common to find phrases used as category names (2-5 words), whereas for tags we usually use one or two words at most. Categories are best used sparingly to group together posts on a general topic basis.


Tags are used to label a particular post with important related keywords. If used in conjunction with categories, they can help your readers zoom in on particular areas of interest. For example, I might use a tag named ‘SEO’ and I might apply that to some SEO-related plugins in my ‘Plugins’ category, as well as to SEO-related articles in the ‘Articles’ category. As you might have noticed, tags have the ability to work across different categories, so my ‘SEO’ tag will in fact have posts that reside both in the ‘Plugins’ and ‘Articles’ categories. In essence, tags can be thought of more specific labels for your posts, while categories are more generic. I must also point out that usually there are a limited amount of categories in a blog, but you can have many more tags.

SEO Considerations

The URL structure is similar: and
However it is good to know that category is seen as being more important in Google’s eyes.

Now an important issue is duplication of content, which is looked on unfavourably by search engines. If you have categories and tags with same name and their archive pages display the same content, for example the full post contents, you will have an issue of duplicate content. I would therefore recommend being careful not not to have same names for categories and tags. To make it clear, if I have a category named ‘Hacks’ and I also use a tag named ‘hacks’ in these hack-related posts, I will have an issue of duplicate content as these URLs will both be showing the same content:

Think well before you start out and make a plan for organising your site’s content, then stick to your plan and always use categories and tags in a sensible manner.

Jean Galea
Jean Galea
Jean Galea is an investor, entrepreneur, and blogger. He is the founder of WP Mayor, the plugins WP RSS Aggregator and Spotlight, as well as the podcast. His personal blog can be found at

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