

Autoload tab: the total size of everything that loads on every request and the largest options with the plugin they probably belong to.
WordPress loads every option marked as “autoloaded” into memory on every single page request. Over the years, plugins leave large or forgotten options behind, and every page gets a little slower and uses more memory. Database Cleaner makes this visible and lets you do something about it, without guessing.
WordPress core options can never be changed. Transients are cleaned up, not switched.
The free version fully covers the autoload analysis, changing single options with undo, and the clean-up of transients and revisions.
Database Cleaner Pro adds: