Using edge side includes (ESI)

You can implement basic edge side includes (ESI) through Fastly using custom VCL. See our ESI documentation for more information. Fastly supports the following ESI elements:

  • include
  • comment
  • remove

We don't support the following ESI language elements:

  • inline
  • choose | when | otherwise
  • try | attempt | except
  • vars
  • ESI Variables
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