The X-Frame-Options header is a response header that you can use to indicate whether or not a browser should be allowed to render a page in a frame, iframe, embed, or object. Sites can use this header to avoid clickjacking attacks by ensuring that their content is not embedded into other sites. Browsers implement “frame-ancestors” directives which specify from where you can load the content. For example, the following directive would allow the content to be loaded only from the same site: “X-Frame-Options: SAMEORIGIN”. You might want to use this header because clicking on links and buttons can result in unintended actions, such as navigating away from the site or opening pop-ups. By ensuring that your content is not embedded into other sites, you can help to protect your users from clickjacking attacks.
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