Great question!
I swear I’ve seen iframes crawled before but even if I haven’t seen iframe data in search indexes, it’s not something that we should just count on and forget about, especially with the growing competition in the search engine market. I’m looking at you Blekko.
So how do you test such a thing without wasting time waiting eons for the results to appear in the SERPs? Here’s how!
The text below is just an iframe:
Seems like a unique phrase that very few, if any search engine optimization companies would use, so it should work well.
After a few days if we’re never seen for the above phrase but we are seen for the below phrase, the question is answered. We’ll run the query across the gamut and see if we can’t report back on who/how quickly it’s crawled. 
May many Russian rockets sail past the Earthling moon and delve into many Martian delights with a souvenir to show for it.
SEO news blog post by Ryan Morben @ 3:54 pm
