How to forcefully run the browser IE 11 in IE11 Compatiblity Mode?

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VB.NET

How to forcefully run the browser IE 11 in IE11 Compatiblity Mode?

I know to add the website to compatibility mode manually. But I want it to do code wise.

I tried in web.config as below

XML

<system.webServer>
    <httpProtocol>
      <customHeaders>
        <add name="X-UA-Compatible" value="IE=EmulateIE11" />
      </customHeaders>
    </httpProtocol>
</system.webServer>

But the site is not getting added to the compatibility mode. On clicking F12 the document mode is shown simply as Edge(default) and not IE 11 Compatiblity Mode

Posted 25-Nov-15 2:36am

Korathu123

Updated 25-Nov-15 2:39am

v4

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Suvendu Shekhar Giri 25-Nov-15 8:48am

Is there any in IE 11 Compaitibility mode in IE11?

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Richard Deeming · Answer 1 · 2015-11-25T05:08:00

There is no difference between "IE11 mode" and "edge mode". The latest version of the developer tools only offer IE11 mode.

Specifying legacy document modes[^]

Starting with IE11, edge mode is considered the preferred document mode. (In earlier versions, it was considered experimental.) To learn more, see Document modes are deprecated[^].
...
Starting with Internet Explorer 11, content values greater than "10" lead to edge mode, which is the highest version supported by the version of Internet Explorer used to view the webpage.

NB: In this case, "edge" doesn't refer to Microsoft Edge, the Windows 10 replacement for IE; it just means the latest document mode supported by the current version of IE.