Compressing Web Content with mod_gzip and mod_deflate
With a few simple commands and a little bit of configuration, an Apache Web server can deliver a large amount of content in a compressed format. These benefits are not simply limited to static pages; dynamic pages generated by PHP and to other dynamic content generators can be compressed by using the Apache compression modules. When added other performance-tuning mechanisms and appropriate server-side caching rules, these modules can reduce substantially necessary bandwidth for a very low cost.
mod_gzip: the Apache 1.3.x version is located at sourceforge.net/projects/mod-gzip, and the Apache 2.0.x version is located at www.gknw.de/development/apache/httpd-2.0/unix/modules.
Stephen Pierzchala is senior diagnostic analyst for Keynote Systems in San Mateo, California. His focus is on analyzing Web performance data and evangelizing on Web performance topics, such as content compression, caching and persistent connections. He can be contacted at email@example.com.
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