X-Ua-Compatible HTTP Header

X-Ua-Compatible

Recommends the preferred rendering engine (often a backward-compatibility mode) to use to display the content.

Accepted Values

Multiple options from the list below are allowed, each seperated by a comma.
chrome=1

Use Google Chrome frame.

ie=10

Use IE10 level for rendering.

ie=11

Use IE11 level for rendering.

ie=5

Use IE5 level for rendering.

ie=7

Use IE7 level for rendering.

ie=8

Use IE8 level for rendering.

ie=9

Use IE9 level for rendering.

ie=edge

Use highest level rendering.

ie=emulateie

Use IE9 level for rendering.

ie=emulateie10

Use IE10 level for rendering.

ie=emulateie11

Use IE11 level for rendering.

ie=emulateie7

Use IE7 level for rendering.

ie=emulateie8

Use IE8 level for rendering.

Example

X-Ua-Compatible: <text>

Parse

Enter a X-Ua-Compatible header below to parse and return details about it.

Reference

https://frankcode.net/2013/10/17/a-guide-to-ie-compatibility-view-and-x-ua-compatible/