What website that shows the html on one side and the product on the other?

I bookmarked this website but I lost it. It's just a page that has two frames and on one you type in all your html and the other shows what it looks like.

Public Comments

  1. Here, just delete everything on the left side and add your own code in. Remeber you can't view pictures
  2. programming and project help- http://edgeforum.net/
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