I know this may not be help specifically for a slow site (which it looks like it's already helped or slowed down - or else AdBlocker in Firefox is blocking the java portions here)...
I'm no expert, but just from a design perspective, there are a couple of things I'd think you'd want to change asap:
[ol][li]The flashing "main" links on the top left of the site - at least to me, that just seems like an annoying banner that says "You're the 1,000,000th visitor, click here for a million bucks!" need to go.[ul][li]As a side note to this one, the flashing isn't consistent across pages - if you stop the flashing, you get rid of at least part of the inconsistencies. Also, the animations for the link items, specifically on the "Why Inspect" page do not seem to be consistent. I'd suggest that it's especially better to have NO animations rather than inconsistent ones.[/li][/ul][/li]
[li]White space is good when used correctly, but you've got a big gap at the lower half of the page. I'd move some things around to make better use of that space.[/li][/ol]
On the last option there, it might just be that something isn't loading yet b/c of the original things in this thread. But the first item, those flashing links, unless you just need them for some reason, I'd highly suggest getting rid of them. All I can think when I see them is "headache!"
I hope my suggestions don't come across as nit-picking or rude, I'm just looking from a technical perspective, and those are a couple of things I'd want different if it were my site.
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"If to err is human, then I must be some kind of human!" -Me