Performance-wise, there are a few things to keep in mind. The iframe content is entirely controlled by Getty. They could put something in there that could greatly affect your site’s performance—be it a huge, unoptimized image, slow scripts, or irresponsible requests. In that same vein, since you have no control over the images, you won’t be able to implement a responsive image strategy, once those solutions are released into the wild.

Useful cautions and testing from Anthony Colangelo on Getty Images’ new free embedded image policy. Read the full article: http://alistapart.com/blog/post/using-embeddable-getty-images