Enabling HTTP compression in IIS 6.0 provides faster transmission times between IIS and compression-enabled browsers Compression-enabled browsers typically send the following header if they are compression-enabled: Accept-Encoding: gzip, deflate. HTTP compression can be beneficial unless processor usage is already very high. If the % Processor Time counter is already 80 percent or higher, enabling HTTP compression is not recommended. You can compress static files and application response files. Compressing application response files is usually called dynamic compression. When the CPU of your server is not heavily loaded, the simplest compression strategy is to enable static and dynamic compression for all of the sites and site elements (directories and files) on the server. Scott Forsyth has an interesting step by step article on HTTP Compression in IIS 6.0 . In it he also talks about how to disable or enable compression at the site, sub-folder and file level. [ Screenshots ] XCompre...