Mon Feb 18 08:25:59 GMT 2013

iFrames

In summary:

	XHR	iFrame
Multithread	yes	no
Back button	no	yes
Cross-site	no	yes
Statuses	yes	no

http://ajax.sys-con.com/read/188390_p.htm


And a more detail comparison:
http://www.quirksmode.org[..]og/archives/2005/12/the_ajax_respon.html http://www.quirksmode.org[..]/archives/2006/01/the_ajax_respon_1.html

Comparing using JavaScript tag, iframe and SafeFrame standard for Ad serving - http://zawadzinski.com[..]-ad-invocation-codes-and-placement-tags/


(google search) (amazon search)
1 2 3 second