Hey Guys,

I've just paid a lot of money for a new website design and want to make sure it's perfect. In terms of validation, they say they have done everything but I'd like to check it for myself to ensure the coding etc. is all up to scratch.

Can people tell me what sites I should be using to perform this check? I imagine W3C is one of them, but I'm sure there's others which measure things including load/performance etc. which I will need to check before signing this off.