Prerender meta tag allow webmaster to pre-load in background a second page in the browser. If you know the user next page you can create a very fast navigation experience. This plugin uses the navigation data to guess the next page that the user will visit.
This WordPress plugin creates and inject into HTML head a Dynamic Prerender Meta Tag.
The system stores users navigational paths inside a table "prefix_PRERENDER" in the database. Than it retrieves the most common next visited page as prerender meta tag.
If the plugin doesn't has data for the next probable page, it will show a prerender to the homepage.
The database table WILL BE REMOVED automatically when the plugin is uninstalled. Do not disable the plugin if you want to keep data.
For info please visit:
https://www.evemilano.com/2017/11/wp-prerender-plugin/