Configurable Settings

Overview

There are a couple of configurable settings that define the content of the X-UA-Compatible HTTP header.

Realistically, virtually no one will need to modify these. But if you do, here they are.

List of Settings

GCF_IE_COMPATIBILITY_MODE

Default: 'Edge' (If GCF is not activated, use the highest compatibility mode available.)

Other options include:

  • None
  • '5'
  • '6'
  • '7'
  • 'EmulateIE7'
  • '8'

Before using any of these options, please consult the MSDN META Tags article. Be sure they do what you think they do. Virtually everyone will be best served by using the default 'Edge' value.

Note that the first option listed, None, will turn off compatibility mode changing.

GCF_IE_ACTIVATION_METHOD

Default: '1' (Activate GCF on all version of Internet Explorer that have it installed.)

Other options include:

  • IE6
  • IE7
  • IE8

These values activate GCF only on the named Internet Explorer version and older. Newer versions will behave according to the given compatibility mode.

For further information, see the GCF developer documentation.

Again, few people will need to change this setting. A value of '1' will likely serve you best.

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