http://www.relpats-eht.com/
You basically read what the page says and when you think you have the answer, you type it onto the end of the URL.
So if you thought the answer was "red", then you'd type:
http://www.relpats-eht.com/red
Red is not the answer as you can see. I'm stumped and can't go any further. Most of these are failry easy some are downright hard. Page 12 has me stumped...