Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
IE9 renders my web site as IE7. How to make not to make assumptions?
This meta tag should do it:
<meta http-equiv="X-UA-Compatible" value="IE=9">
You can also send it out as an HTTP header
Probably you are using and incorrect/malformed doctype tag. This is the usual trigger for this behavior.
Required, but never shown