Detect if the iframe content has loaded successfully

Question

I have a widget that contains an iframe. The user can configure the url of this iframe, but if the url could not be loaded (it does not exists or the user does not have acce

Answer 1

Nowadays the browsers have a series of security limitations that keep you away from the content of an iframe (if it isn´t of your domain).

If you really need that functionality, you have to build a server page that have to work as a proxy, that receive the url as a parameter, test if it is a valid url, and does the redirect or display the error page.