Cleaning your WordPress database might not be top of your agenda. Whenever you have published a post or page, trashed a comment or simply haven’t even thought about it, there is likely to be left-over useless data. Over time that data builds up clogging up your database which can affect the performance. You can off course go into your database and clear things up manually which may be exhaustive for the average user or you could make use of a cleaning plugin. Here is my round-up of WordPress cleaners to keep your WP database in tip-top shape.