On servers using the website accelerator by Astral Internet, the module offers the ability to automatically purge the cache when a page is modified.
As of April 2026, WSA is a WordPress wsa plugin with 200 active installations and a 5/5 rating from 1 reviews. It has been downloaded 5.5K+ times in total. Requires WordPress 3.5.0+ and PHP 5.6+. Available on WordPress.org since 2019.
The Website Accelerator by Astral Internet is a tool that allows you to place certain elements of a site in buffer memory (cache) inside the server. Once the elements are placed buffer of the server, they can be served much faster to people viewing a website.
The website accelerator maximizes the Nginx caching feature while offering granular configuration for each site. More information concerning the WSA module is available on this blog “No more slow websites!”.
| WordPress | 3.5.0+ requiredTested up to 6.9.4 |
| PHP | 5.6+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.