This page consists of screenshots from the Dashboard – WP Optimizer Screen in Clean Up Optimizer WordPress Plugin.
This gives an idea about how to manually optimize WordPress Data.
WP Optimizer allows user to manually clean all WordPress Data that they would like to clean like Auto Drafts, Dashboard Transient Feed, Unapproved Comments etc.
With this, user can delete duplicate data or files that are no longer being used. As a result, it will help you to speed up your website.
In addition, you can also manage trackbacks and comments.