My wordpresss web site is on 1and1 server. I can't enable gzip Compression for css and js files.
I wrote this in php.ini:
zlib.output_compression = On
These gzip html only, but not .js and .css files.
Also I added tese lines in .htaccess file.
<IfModule mod_deflate.c>
AddOutputFilterByType DEFLATE text/plain
AddOutputFilterByType DEFLATE text/html
AddOutputFilterByType DEFLATE text/xml
AddOutputFilterByType DEFLATE text/css
AddOutputFilterByType DEFLATE application/xml
AddOutputFilterByType DEFLATE application/xhtml+xml
AddOutputFilterByType DEFLATE application/rss+xml
AddOutputFilterByType DEFLATE application/javascript
AddOutputFilterByType DEFLATE application/x-javascript
AddOutputFilter DEFLATE .shtml
</IfModule>
When I test the web site via "PageSpeed Insights" I got "Compressing resources with gzip or deflate can reduce the number of bytes sent over the network." for all .css and .js files.