Add Gzip to Plesk Server

Login to your Plesk server.
Select the domain you wish to enable gzip for from the left hand side.
Click in Apache and nginx settings:

Down the bottom, add the following to the “Additional nginx directives” field:

gzip on;
gzip_disable "MSIE [1-6]\.(?!.*SV1)";
gzip_proxied any;
gzip_types text/plain text/css application/x-javascript application/javascript text/xml application/xml application/xml+rss text/javascript image/x-icon image/bmp image/svg+xml;
gzip_vary on;

Click OK to save.
Verify with

Another way is to set up deflate.

First you need to check the module mod_deflate is enabled on the server.

In plesk:

Or, in ssh:

# httpd -M |grep deflate

Then you need to create the file /etc/httpd/conf.d/deflate.conf

# vim /etc/httpd/conf.d/deflate.conf

and add the following into it.

<ifmodule mod_deflate.c>
AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript application/javascript
DeflateCompressionLevel 8

Restart Apache

/etc/init.d/httpd restart

Chech here –

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