How to enable gzip compression on IBM HTTP Server

One of the tuning activities is to turn on GZIP compression for HTTP requests.

This tuning can save lots of network traffic and your page will load in a short time.

Just put the lines bellow on the httpd.conf and restart the server

LoadModule deflate_module modules/mod_deflate.so

LoadModule headers_module modules/mod_headers.so

#Only the specified MIME types will be compressed.

AddOutputFilterByType DEFLATE application/atom+xml
AddOutputFilterByType DEFLATE application/atomcat+xml
AddOutputFilterByType DEFLATE application/javascript
AddOutputFilterByType DEFLATE application/json
AddOutputFilterByType DEFLATE application/octet-stream
AddOutputFilterByType DEFLATE application/x-javascript
AddOutputFilterByType DEFLATE application/xhtml+xml
AddOutputFilterByType DEFLATE application/xml
AddOutputFilterByType DEFLATE text/css
AddOutputFilterByType DEFLATE text/html
AddOutputFilterByType DEFLATE text/javascript
AddOutputFilterByType DEFLATE text/plain
AddOutputFilterByType DEFLATE text/xml
AddOutputFilterByType DEFLATE text/xsl
# Ensures that images and executable binaries are not compressed
SetEnvIfNoCase Request_URI \\.(?:gif|jpe?g|png|exe)$ no-gzip dont-vary
# Ensure that proxies do not deliver the wrong content
Header append Vary User-Agent env=!dont-vary
SetEnvIf Request_URI ^/acce(.*) no-gzip dont-vary