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Set the HTTP Headers for your template.
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system/expressionengine/third_party/http_header Add Vary header
README.markdown Add Vary header


HTTP Header

Set the HTTP Headers for your template.


  • status - input an HTTP Status code
  • location - set a location for redirection
  • content_type - set a Content-Type header
  • charset - set a charset in the Content-Type header
  • content_disposition - set a Content-Disposition (ex: attachment) with a filename
  • cache seconds - set to a non-zero number to set caching headers; set to 0 to force no-cache
  • terminate - set to "yes" to prevent any other output from the template
  • vary - set a Vary header


Do a 301 redirect

{exp:http_header status="301" location="{path=site/something}" terminate="yes"}

Set a 404 Status header

{exp:http_header status="404"}

Set the Content-Type header to application/json

{exp:http_header content_type="application/json"}

Set Content-Disposition to force the download

{exp:http_header content_disposition="attachment" filename="myfile.xml"}

Set the Pragma, Cache-control, and Expires headers to set a 5 minute (300 second) cache

{exp:http_header cache_seconds="300"}

Set the Content-Language header to "en"

{exp:http_header content_language="en"}

Set the Vary header to User-Agent

{exp:http_header vary="User-Agent"}
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