There have actually been cases where vBulletin and SMF have been compared on the same server, and vBulletin has not been shown to be better in performance.
I'd guess this is one of the following:
- SMF is misconfigured; for example, you may have the horrible setting to check avatar size on every display enabled. If you do, turn it off. This option has been removed in 1.1.
- MySQL is misconfigured; just because vBulletin seems to run fine does not mean it is necessarily comparable unless they have the same data and same usage.
- MySQL is an old or ancient version.
- you have mods installed which are slowing down SMF's performance.
My first impressions as I see them:
1. You are running an old and insecure version of PHP. I encourage you to pressure those with the power to do so to upgrade.
2. You are running PHP without an optimizer or accelerator/bytecode cacher. I strongly recommend the installation of eAccelerator on any server with heavy to moderate PHP usage.
3. You have a custom theme; have you checked the error log to make sure you haven't made typos in it causing significant slowdown?
4. You do not have "Display time taken to create every page" so it is very difficult to tell how long the page takes to load.
5. You have no posts and no data; it is unlikely this is an issue where SMF is at fault, or even where MySQL is old or misconfigured; there's no data, nothing to slow it down.
6. Even your home page,
http://www.megastarcity.com/, is slow to respond for me - and it's not even PHP!
I suggest you check the error log first off. Something is obviously very wrong. SMF cannot be slow when you have no posts, unless something else is wrong.
-[Unknown]
