[Zachery]

Things you can do:

Display less data per page: Show less topics/posts per page. This means less html is delivered, smaller queries, etc.

If you're using 100 posts per page, and 50 threads, and guests see 10 and 25, our pages are going to be quicker than yours.

Second is to reduce http requests, you can take a look at my style iconic, it is designed as a style to reduce the number of http request calls.