While Facebook indicates that current Static FBML and FBML tab applications will continue to function for now, it strongly encourages everyone to move from FBML to using iFrame applications.
An iFrame application you allows you to embed an external Web page in your Facebook Page tab (in the new Page layout, "tabs" have been moved from the top of the page to the left column.).
The good news is that the iFramed Web page, because it isn't hosted on Facebook, can use standard HTML, CSS, and JavaScript like any other Web page does.
After making a free account on the site you will need a free FTP client software like
filezillato upload your files
Second go to facebook developer
The first step in creating an application in Facebok is to install the Facebook Developer application.
To do that, log in to Facebook and then visit the URL
If this is your first time installed the Developer Application, you will see the Request for Permission dialog and mobile Verfication so, after you verified your account by mobile follow the following instructions:
Creating your iFrame application
Now that you have the Developer App installed, click on the Set up New App button.
And here is my HTML code of this page and i made it by notepad and saved as index.html