Web site slow down after activating plugin

Hi Guys,

I just activated W3 total cache, coz my web site takes too much CPU
but I am not sure that it’s help somehow.

I used this settings to setup W3:
http://www.inspire2rise.com/w3-total-cache-settings.html

and now my website is really really slow.
Please have a look:

http://www.motivationblog.org

My blog is on wordpress 3.4.1

Thanks for help!

Chris

http://wordpress.org/extend/plugins/w3-total-cache/