GZIP validation inside WHM

toplisek

• August 13, 2022 08:25

I have set GZIP validation and need to know if this can be executed inside terminal as Linux command:

curl -X HEAD -I -sH 'Accept-encoding: gzip' Example Domain | grep content-encoding

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  techAMIGO

  • August 14, 2022 18:21

  Hi toplisek, Yes, those curl commands can be executed in the terminal to see the site is enabled with GZIP and brotli compression. Also you could find of online checkers to find the compressions enabled in the site/server. Thanks.

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  toplisek

  • August 14, 2022 19:04

  I have tested and it is without any result for the above query inside account.

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  ecartz

  • August 15, 2022 05:24

  curl -X HEAD -I -sH 'Accept-encoding: gzip' Example Domain | grep -i content-encoding

  The header is Content-Encoding, so you need to use grep -i to get a match with content-encoding. The easy way to diagnose something like this is to simply remove the pipe to grep part. Then you get feedback like [quote] HTTP/1.1 200 OK Content-Encoding: gzip Accept-Ranges: bytes Age: 333888 Cache-Control: max-age=604800 Content-Type: text/html; charset=UTF-8 Date: Mon, 15 Aug 2022 05:17:11 GMT Etag: "3147526947" Expires: Mon, 22 Aug 2022 05:17:11 GMT Last-Modified: Thu, 17 Oct 2019 07:18:26 GMT Server: ECS (chb/0286) X-Cache: HIT Content-Length: 648
  and it is obvious that content-encoding is not matching Content-Encoding.

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  techAMIGO

  • August 15, 2022 05:32

  @toplisek, as ecartz said yes it seems you haven't added '-i' option in grep that will ignore cases, else you have simply add it as grep Content-Encoding or grep -i content-encoding.

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  toplisek

  • August 15, 2022 10:44

  It works but I guess Pingdom Tools reports FALSE signal as GZIP shows 45/100 and after all tests cPanel works fine without any issue.

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