Wondering how to make a mobile friendly site? This is the place to find or post tools to design and validate a site for mobile use.

Here's another tool. W3C Mobile ok checker.
http://validator.w3.org/mobile/

Careful with the responsinator link! It is showing flash content, although a real iphone or ipad does not.

I noticed that too Inger, but I didn't realize that it shouldn't. I don't own any of those devices, only a Nook Color that has updated it's software so that flash loads on it so I just assumed all the phones did the same,... guess not