Speed up your WordPress site by adding high-performance keys (database indexes) to your MariaDB / MySQL database tables.
As of April 2026, Index WP MySQL For Speed is a WordPress key plugin with 50K+ active installations and a 4.8/5 rating from 96 reviews. It has been downloaded 655K+ times in total. Requires WordPress 4.2+ and PHP 5.6+. Available on WordPress.org since 2021. Recently updated within the last 3 months. Download volume is stable this week. Top alternative: Dig Bloginfo Shortcode.
After you install and activate this plugin, visit the Index MySQL Tool under the Tools menu. From there you can press the Add Keys Now button. If you have large tables, use it with WP-CLI instead to avoid timeouts. See the WP-CLI section to learn more.
This plugin works to make your MySQL database work more efficiently by adding high-performance keys to the tables you choose. On request it monitors your site’s use of your MySQL database to detect which database operations are slowest. It is most useful for large sites: sites with many users, posts, pages, and / or products.
You can use it to restore WordPress’s default keys if need be.
Where does WordPress store all that stuff that makes your site g…
I never had any problems with this plugin, it works like a charm and can improve performance drastically!
Thank you very much for the time and effort put into making and maintaining this plugin.
One of the best – never had any problems with it for years now.
An essential plugin for shared hosting or high-traffic websites. Significantly accelerated execution speed.
I’ve been using it on several WooCommerce websites, it helped a lot improving performance.
The debug tab is a gold mine to understand mysql configuration issues.
It’s a good plugin, but it interferes with the Woodmart template and gives a Server respond slow error (observed 1353 milliseconds) in the document request latency section of the pagespeed website.
| WordPress | 4.2+ requiredTested up to 6.9.4 |
| PHP | 5.6+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.