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I am coding a Frontend which works well in IE7 Standards Mode and IE8 Standards Mode.
When I start up Internet Explorer and load the page both IE7 and IE8 go to Quirks Mode directly. How can I force both IE7 and IE8 to always load the page in Standards Mode?
I have no special meta tags added so far.
Thanks for helping me out
Edit: My doctype and head looks as follows at the moment:
<!DOCTYPE html>
<html lang="de">
<head>
<title>...</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta charset="utf-8" />
<script src="js/html5.js"></script>
(...)
</head>
Sadly, they want us to use a tag to let their browser know what to do. Look at this documentation, it tell us to use:
and it should do.
I know this question was asked over 2 years ago but no one has mentioned this yet.
The best method is to use a http header
Adding the meta tag to the head doesn't always work because IE might have determined the mode before it's read. The best way to make sure IE always uses standards mode is to use a custom http header.
Header:
For example in a .NET application you could put this in the web.config file.
It's possible that the HTML5 Doctype is causing you problems with those older browsers. It could also be down to something funky related to the HTML5 shiv.
You could try switching to one of the XHTML doctypes and changing your markup accordingly, at least temporarily. This might allow you to narrow the problem down.
Is your design breaking when those IEs switch to quirks mode? If it's your CSS causing things to display strangely, it might be worth working on the CSS so the site looks the same even when the browsers switch modes.
Adding the correct doctype declaration and avoiding the XML prolog should be enough to avoid quirks mode.
This is the way to be absolutely certain :
Reason :
Whenever IE meets anything that conflicts, it turns back to "IE 7 standards mode", ignoring the
x-ua-compatible.(I know this is an answer to a very old question, but I have struggled with this myself, and above scheme is the correct answer. It works all the way, everytime)
Using html5 doctype at the beginning of the page.
<!DOCTYPE html>Force IE to use the latest render mode
<meta http-equiv="X-UA-Compatible" content="IE=edge">If your target browser is ie8, then check your compatible settings in IE8
I blog this in details