How to enable gzip compression in Apache on Plesk server?

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  Mattia Gregolin October 16, 2017 08:52

  Thank you. This was very helpful for my Amazon Ec2 instance!

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  Deyvi Arellano February 28, 2018 19:17

  Disculpa pero cuando realizo lo siguiente me deja de funcionar apache! 

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  Alexandr Tumanov March 01, 2018 12:36

  @Deyvi,

  Could you please share the information about the error? Apache version? The article was verified and no errors with apache were found.

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  Gianluca August 21, 2018 13:27 (Edited August 21, 2018 14:11)

  Please correct the row number two on the ssh code section:

  # Compress HTML, CSS, JavaScript, Text, XML and fonts AddOutputFilterByType DEFLATE application/javascript

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  Ivan Postnikov August 24, 2018 19:45

  Hello @Gianluca,

  Thank you for noticing. The article was updated.

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  Jan Bludau April 16, 2019 01:41

  @Ivan:

  there should be an option in plesk to do that serverwide alone...

  per domain a "infobox" where you can grab the needed code

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  Dinara Aspembitova April 16, 2019 16:01 (Edited April 16, 2019 16:04)

  Hello @Jan Bludau,

   

  >there should be an option in plesk to do that serverwide alone...

  Take part in our product improvement and vote for this feature on Plesk UserVoice. The top-ranked suggestions are likely to be included in the next versions of Plesk.

  As for "infobox" could you please share the details and clarify the usecase?

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  Marco Marsala May 02, 2019 06:11

  On my server I didn't do such configuration, I don't have such files, but all replies are still compressed (HTTP Response Header contains Content-Encoding: gzip).

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  Alisa Kasyanova May 04, 2019 10:20

  @Marco Marsala
  Have you checked this article as well: https://support.plesk.com/hc/en-us/articles/213380049 ? If sites are using WordPress, there could be plugins that enable gzip compression.

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  Nerque February 21, 2020 19:21

  When you enable the gzip option in apache, do you need to enable it in nginx as well, or do you have to choose between the two? I'm saying this because I think it's usual to have nginx as an apache proxy.

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  Maxim Krasikov March 06, 2020 08:20

  Hi @Nerque,

  Since Nginx is used as an Apache proxy, gzip compression should be enabled for Nginx and disabled for Apache. In this configuration, static files are served by Nginx.
  
  Information on how to enable compression for Nginx can be found here:
  https://support.plesk.com/hc/en-us/articles/213380049

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  Nerque March 07, 2020 10:25 (Edited March 07, 2020 10:47)

  Thanks @...

  The truth is that I'm still in doubt, due to the nginx option of "Serve static files directly by nginx".

  In my case, nginx is used as a proxy (it is enabled) but the commented option is disabled, due to the accompanying note "Caution: Apache rewrite rules will not be applied."

  I have several Prestashop web pages that use rewrite rules, so I guess I can't enable the commented option. So, who really serves the static content?

  It's pretty confusing how to set these parameters... I don't understand how I can use nginx as a proxy and have the option "Serve static files directly by nginx" disabled by default... Even more confusing is that it warns of problems if enabled in case of apache rewrites.

  And for this reason I don't know if compression should be enabled in nginx or in apache...

   

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  Pavel Rozental March 10, 2020 04:28

  Hello,

  If "Smart static files processing" and "Serve static files directly by nginx" checkboxes are not enabled - both static and dynamic content are served by Apache
  If "Smart static files processing" or "Serve static files directly by nginx" are enabled - statick content is served by Nginx.
  You can check documentation for more details: https://docs.plesk.com/en-US/obsidian/administrator-guide/website-management/websites-and-domains/hosting-settings/web-server-settings/apache-and-nginx-settings.72320/

  Note: .htaccess is not used If "FPM application served by nginx" is selected in  "PHP Settings".

  In case of "FPM application served by Apache" is set in "PHP Settings" and option "Smart static files processing" is selected - .htaccess file will be used by Apache:

  https://docs.plesk.com/en-US/obsidian/administrator-guide/web-servers/apache-and-nginx-web-servers-linux/adjusting-nginx-settings-for-virtual-hosts.71997/

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  Nerque March 10, 2020 17:45 (Edited March 10, 2020 17:59)

  Thanks Pavel Rozental

  "Smart static files processing" Enabled

  "Serve static files directly by nginx" disabled

  So I guess, from the article you're talking about, I'm in the "Serve all static content via nginx".

  About .htaccess, I'm sure they're all applied correctly.

  With this situation, I guess from what I've read around here, that the best option is to enable the gzip options in nginx.

  But still, if I use the pagespeed module... What? Pagespeed with apache and gzip in nginx? Pagespeed and gzip in nginx?

  As far as I know, if I activate the pagespeed module in apache, then I need to disable the "smart static", and all the static content will be served by apache. So I guess in this case gzip must be in apache.

  If I activate Pagespeed in nginx, I don't know if it will be fully compatible with this context. And I don't know if Plesk works as well with this module activated in nginx, as it can if I activate it in apache.

  However, if I activate Pagespeed, I may not need to activate the gzip and I'm just fooling around.

  Many pieces to this puzzle and I can't find a place that deals with all these issues together. That's why all my doubts.

  I will try to extrapolate the reference I found in the Plesk forums (https://dh42.com/blog/fastest-prestashop/) on all this. But I will have to fight with the things that have changed in the last years, with the possibilities of Plesk, and with the context of nginx as a proxy and apache to serve a dynamic content.

   

   

   

   

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  Francisco Roman Garcia Rodriguez March 17, 2020 16:49

  Hi Nerque,

  If you want to use Pagespeed module, then you must use Apache or nginx, as it's available for both webservices.

  Plesk's Pagespeed module isn't configured from Plesk, the only possibility is to enable or disable it, further configuration has to be done from your side.

  Apart from that, the choice is on your side: to use nginx, apache, or nginx+apache.

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  SergioEA March 26, 2020 15:04

  Hi,

  I have 'deflate' and 'filter' modules enabled, updated the .htaccess file using Plesk interface, but tools.pingdom.com replies that GZIP it is not enabled.

  I work with Wordpress (https://icadministraciongeneral.com)
  
  Thank you.

   

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  Francisco Roman Garcia Rodriguez March 31, 2020 14:02

  Hi SergioEA,

  As far as I see (with CURL), the domain is using already GZIP.

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  fatimah alqadheeb March 09, 2021 13:16 (Edited March 09, 2021 14:12)

  I could not find the Apache Web Server or Apache & Nginx Settings in my Plesk control panel and I am an administrator user. I am using PHP with Plesk version 18.0.33 and IIS server setting 

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  Bulat Tsydenov April 12, 2021 16:07

  Hi fatimah alqadheeb

  Apache web server is not available in Plesk for Windows, IIS is used instead. Therefore here is the right article:

  https://support.plesk.com/hc/en-us/articles/115000209874-How-to-configure-compression-and-caching-in-Plesk-on-Windows- 

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  Robert Alexander March 24, 2022 12:20

  I've got WP optimise setup on the domain of my server.
  I want to enable GZIP server wide using SSH as advised on this topic.
  I've done all the checks and followed the instructions and I am receiving this message from the Plugin.

  We successfully added Gzip compression settings into .htaccess file. However, the test file we fetched was not Gzip-compressed. Possible causes include that Apache (your webserver) is not configured to allow .htaccess files to take effect, or one of Apache modules - mod_filter or mod_deflate - is not active, or the webserver is configured to disallow Gzip compression. You should speak to your web hosting support to find how to enable it.

  The only error I get using SSH is this, and it may be the reason why I can't get GZIP enabled.
  [root@server ~]# grep -ir "mod_filter.so" /etc/httpd/conf.modules.d/00-base.conf

  LoadModule filter_module modules/mod_filter.so
  [root@server ~]# LoadModule filter_module modules/mod_filter.so
  -bash: LoadModule: command not found

  However, now I don't know what else I can do, so that the filter module is found. It's definitely enabled on the Server

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