استفاده صحیح از کد iframe

  

<IFRAME src="3eo.html" width="400" height="500"

             scrolling="auto" frameborder="1">

  [Your user agent does not support frames or is currently configured

  not to display frames. However, you may visit

  <A rel="nofollow" href="seo.html">the related document.</A>]

  </IFRAME>