This code snippet will present you with a solution for the rel=”category tag” tag found in the WordPress core that does not pass the HTML5 beta validation service.

To get maximum exposure of all your articles on your blog you may find at times it may be a good idea to randomly cycle through all your posts and display them in a random order in your WordPress theme, whether it be your sidebar, footer or anywhere else you wish to display some post content.

This simple code snippet demonstrates how to exclude a certain category from being displayed in the RSS feed.

This code snippet demonstrates different methods to exclude a certain category from being displayed on your WordPress homepage

This code snippet demonstrates how to get a WordPress category slug using the category ID.