无法在 iframe 标签中显示某些网站 [英] Can't show some websites in iframe tag

问题描述

我正在尝试开发一个可以同时显示 3 个以上网站的页面，如下:

I am trying to develop a page in which I can show more than 3 website at a time, as below:

<ul>
   <li>
      <iframe src="http://www.facebook.com/" /><p> iframe is not supported</p>
   </li>
   <li>
      <iframe src="http://www.yahoo.com/"></iframe>
   </li>
   <li>
      <iframe src="http://www.google.co.in"></iframe>
   </li>
</ul>

问题是它显示了 yahoo.com 和 google.co.in，但没有在 iframe 中显示 Facebook.

The problem is that it shows yahoo.com and google.co.in, but does not display Facebook in the iframe.

推荐答案

您必须检查这些站点的 HTTP 响应头 X-Frame-Option.如果其值为DENY 或 SAMEORIGIN"，则无法在 iframe 中加载这些网站.

You have to check for HTTP response header X-Frame-Option of those sites. if its value is "DENY or SAMEORIGIN", then you can not load those website in the iframes.

DENY = 没有人可以在 iframe 中加载网站.即使是同一个域页面也无法加载.SAMEORIGIN = 只有在同一域中的页面才能在 iframe 中加载此网站.

DENY = No one can load the website in iframe. Even the same domain page wont be able to load. SAMEORIGIN = only a page which is in same domain can load this website in iframe.

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