# compress text, html, javascript, css, xml:
AddOutputFilterByType DEFLATE text/plain
AddOutputFilterByType DEFLATE text/html
AddOutputFilterByType DEFLATE application/json
AddOutputFilterByType DEFLATE application/x-po

# CSS and javascript are minimized and compressed using minify
# AddOutputFilterByType DEFLATE text/css
# AddOutputFilterByType DEFLATE application/javascript
# AddOutputFilterByType DEFLATE application/x-javascript

# Or, compress certain file types by extension:
<Files *.html>
SetOutputFilter DEFLATE
</Files>