When we are using the wordpress sites then we need to clean the database always. If your site is having more than 500 articles then you need to worry about server performance.
Mysql load will impact your server. Many people are suggesting to use the WP-DBManager wordpress plugin. But forgot about plugin feature. That plugin specially made for database backup and managing the tables.
If you want to optimize your wordpress database then you need to use wp-optimize wordpress plugin. I found that is only plugin is helpful for really keep optimize your wordpress database.
I used that plugin. Before using that plugin my mysql database size was 135mb. After using that wp-optimize plugin features database size was 4mb. That means my database really really optimized.
My sites performance was also improved.
What is features of wp-optimize?
- Remove the existing wordpress post revisions
- Remove all the comments in the spam queue
- Remove all the un-approved comments
- Rename one username to another username, it’s designed to rename default “Admin” user to something else
- Apply MySql optimize commands on your database tables without phpMyAdmin.
- Display Database table statistics.
I really liked this wordpress plugin. Thanks to Ruhani Rabin who wrote this plugin.

You can download this plugin from here
http://wordpress.org/extend/plugins/wp-optimize/





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