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I need to check, if website in iframe is loaded properly. On my website, users can POST custom website, which will show them in iframe. But some websites are protected from insert to iframe (such as google or facebook).

How can I check, if is website loadable in iframe and can be used in iframe?

PS: I haven't show any code, because I have no code and no idea how to do it. (My website runs on Java, so no Apache or PHP).

I need to check, if website in iframe is loaded properly. On my website, users can POST custom website, which will show them in iframe. But some websites are protected from insert to iframe (such as google or facebook).

How can I check, if is website loadable in iframe and can be used in iframe?

PS: I haven't show any code, because I have no code and no idea how to do it. (My website runs on Java, so no Apache or PHP).

  • javascript
  • html
  • iframe
  • x-frame-options
Share Improve this question edited May 12, 2014 at 7:26 Chankey Pathak 21.7k12 gold badges88 silver badges136 bronze badges asked May 12, 2014 at 6:59 Patrik KrehákPatrik Krehák 2,6838 gold badges35 silver badges63 bronze badges 3
  • See this: stackoverflow./a/21263774/1355315 – Abhitalks Commented May 12, 2014 at 7:23
  • possible duplicate of Detect X-Frame-Options – Farid Nouri Neshat Commented May 12, 2014 at 8:50
  • BTW, how can you flag this as duplicate, when I am not running on PHP? – Patrik Krehák Commented May 20, 2014 at 8:37
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Check HTTP response header for X-Frame-Options. Facebook sends X-Frame-Options=DENY, which means "The page cannot be displayed in a frame, regardless of the site attempting to do so."

The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a <frame>, <iframe> or <object>. Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.

Check this: Accessing the web page's HTTP Headers in JavaScript

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