apache-enable-gzip.conf

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

AddEncoding gzip .gz

RewriteCond %{HTTP:Accept-encoding} gzip
RewriteCond %{REQUEST_FILENAME}\.gz -s
RewriteRule ^(.*)\.(css|html|js|ttf) $1\.$2\.gz [QSA]

RewriteRule \.css\.gz$ - [T=text/css,E=no-gzip:1]
RewriteRule \.html\.gz$ - [T=text/html,E=no-gzip:1]
RewriteRule \.js\.gz$ - [T=application/javascript,E=no-gzip:1]
RewriteRule \.ttf\.gz$ - [T=application/x-font-ttf,E=no-gzip:1]