Facebook Iframe Usage in Pages
Now you can add iFrame app to embed an external web page right in your Facebook Page Tab. Thanks to an easy method which is now available to every one.
To add an iFrame application just go to
and click on "Add static HTML to a page " as is shown in the pic uploaded below.
In the next screen that follows, select the page you want to add it into and click on Add Page Tab button as shown below.
After this you may go to the page and edit the HTML file as you wish.