How to Optimize Your WordPress Database for Better Performance

A laptop screen displaying a database optimization dashboard with a performance score of 98/100, query time and cache hit rate graphs, a size reduction chart from 500 MB to 200 MB, and a list of completed optimization tasks like cleaning revisions and removing spam.

A bloated WordPress database slows down your entire site. This post shows you how to clean, optimize, and maintain your database for better performance: removing post revisions, deleting spam comments, cleaning orphaned metadata, clearing transients, and optimizing tables. Includes SQL queries you can run directly, WP-CLI commands, a plugin comparison, and real performance benchmarks showing a 60% database size reduction and 2x page load improvement.