It is possible to override the compatibility mode in intranet.
For IIS, just add the below code to the web.config. Worked for me with IE9.
<system.webServer>
<httpProtocol>
<customHeaders>
<clear />
<add name="X-UA-Compatible" value="IE=edge" />
</customHeaders>
</httpProtocol>
</system.webServer>
Equivalent for Apache:
Header set X-UA-Compatible: IE=Edge
And for nginx:
add_header "X-UA-Compatible" "IE=Edge";
And for express.js:
res.set('X-UA-Compatible', 'IE=Edge')