moazam

This plugin disable w3 total cache plugin functionality if visitor is coming from search engine.

Detect Search Engine Referrer

This plugin disable w3 total cache plugin functionality if visitor is coming from search engine.

Mirco Babini

This loads the Last Version of the style.css everytime, appending the mtime as a query var.
Developed by <a href="http://www.mircobabini.com/" rel="nofollow ugc">Mirco Babini</a>, WordPress Consultant, Web Developer and Data Lover.

Style.css Load Last Version

Load the Last Version of style.css everytime, whenever and ever. No side effects on performance.

Detect Search Engine Referrer vs Style.css Load Last Version