HTML rendering with Internet Explorer 8, 9, 9+
Apart from the use of DOCTYPE , IE uses other metadata to influence rendering. You may include the following meta tag in the HMTL document to influence the way Internet Explorer renders content: <meta http-equiv="X-UA-Compatible" content=" Content-Attrib-Value "/> In combination with the DOCTYPE, the value of the content attribute in the above meta tag will result in different rendering modes: Content-Attrib-Value DOCTYPE Doc Mode IE=edge Ignored IE x standards (use the latest IE standard available) IE=9 Ignored IE9 standards IE=8 Ignored IE8 standards IE=EmulateIE8 Known type IE8 standards Unknown or absent Quirks mode (IE5.5) IE=7 Ignored IE7 standards IE=EmulateIE7 Known type IE7 standards Unknown or absent Quirks mode IE=5 Ignored Quirks mode At the same time, there are some interesting points to note: in the intranet zone, IE 7 standards rendering mode is used by default these can be overridden by the