Enable brotli and disabling deflate

sahostking

• November 18, 2019 00:50

We've been using deflate and have an include where it enables gzip with deflate globally for all sites on all our servers. Should we remove this include from per-virtualhost as brotli is being used be default now - will it not cause duplicate compression if we leave the deflate(gzip) include in include editor still? Thanks for advice.

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  kadrin

  • November 18, 2019 10:04

  Brotli gives slightly faster decompression than deflate. Use only one to avoid conflicts and double CPU work

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  sahostking

  • November 18, 2019 15:13

  I enabled brotli via Easyapache and tested it. I get on brotli test sites that it is support and headers how that to with "br" However if I use a tool like gtmetrix it gives me a rating of [0] saying compression is not enabled. Does this not mean I should leave deflate on aswell? I'm thinking brotli only works for SSL requests only.

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  cPanelLauren

  • November 18, 2019 17:51

  Per their blog gtmetrix does not see brotli compression: Recommendations Update They're only recognizing gzip compressed pages, brotli works on both http/https sites you'd just need to be utilizing a tool that recongnizes it. Brotli Test, Brotli Compression Test | IPVoid may be an option You can use a curl request to check brotli is working, such as the following: curl -I -H 'Accept-Encoding: br' http://domain.com
  

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  sahostking

  • November 19, 2019 16:42

  I tested it on a site using PHP7.3 seems its not available on that version yet? I know its integrated in Apache but on PHP there is also an extension that is required. So I guess its not yet available for PHP 7.3.11? curl -I -H 'Accept-Encoding: br' vary: User-Agent content-type: text/html; charset=UTF-8

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