I would say, iframe src= counts as a backlink. To what extent is transfers the juice I am not sure, but I definitely saw the links inside MOZ backlinks.
Moz Q&A is closed.
After more than 13 years, and tens of thousands of questions, Moz Q&A closed on 12th December 2024. Whilst we’re not completely removing the content - many posts will still be possible to view - we have locked both new posts and new replies. More details here.