We'll create fresh WordPress site with Alpha Cache installed. You have 20 minutes to test the plugin after that site we'll be deleted.
This plugin caches web requests and stores static html code. You can configure what urls do not to cache, what user shouldn’t be cached and ect.
After first web request plugin will create a cache of this requested webpage, and on second request your webserver will serve static html code instead of processing the comparatively heavier and more expensive WordPress PHP scripts.
It has some options to drive caching process.
You can:
and etc.