What are WordPress orphan comments meta and how to clean them?

The comment metadata is the information you provide to viewers about each comment. This information usually includes the author of the comment, when it was written (or posted), etc. In some cases, some comment metadata information becomes orphan and does not belong to any comment. They are then called “orphan comment meta” and should be…

What are WordPress orphan relationships and how to clean them?

Sometimes the ‘wp_term_relationships’ table becomes bloated with many orphaned relationships. This happens particularly often if you’re using your site not as a blog but as some other type of content site where posts are deleted periodically. Over time, you could get thousands of term relationships for posts that no longer exist which consumes a lot…