Is there a client-side way to detect X-Frame-Options?

Question

Is there any good way to detect when a page isn\'t going to display in a frame because of the X-Frame-Options header? I know I can request the page serverside and look for

Answer 1

At least in Chrome, you can notice the failure to load because the iframe.onload event doesn't trigger. You could use that as an indicator that the page might not allow iframing.