"We take spam very seriously and in order to protect spam you will be given the options to put your SIGNATURE URL only after you are a member and have at least 10 quality posts in FORUM"
please read FAQ
1. Limit HTTP request
2.Reduce DNS queries
3.Save temporarily for Ajax
4.Use components downloaded after loading site
5.Using components are downloaded before loading site
6.Reduce the number of DOM objects
7.Set across multiple domains
8.Minimum number of iFrame
9.Don't use the " 404 "