my site run to slooow :(

I have install this template without any problems, but when I load, it is so slow
For the begining was a clean instalation and the same result. Why? maybe a plugin or module maybe stop ?
Pls help me! Thx

Please test your site using some tools like http://tools.pingdom.com/fpt/ . You can sort results by time loading and check which files are causing problem. Please also try to use cache and compression.