I was just about to comment that sandboxed iframes aren't really well supported but it seems like I'm completely wrong, they're much better supported than I exp

I was just about to comment that sandboxed iframes aren't really well supported but it seems like I'm completely wrong, they're much better supported than I expected http://caniuse.com/#feat=iframe-sandbox http://caniuse.com/#feat=iframe-sandbox Still it would leave a fair chunk of users with IE 9 or older no better than they are right now.