[ Thanks to Donncha O
Caoimh for this link. ] "Mod_gzip, at
http://www.remotecommunications.com/apache/mod_gzip/ is a module
for Apache that allows you to compress content from an Apache web
server on-the-fly. It uses the same compression as gzip and no
plugins or extra software is needed by your browser to take
advantage of this product. Reduction in size of up to 90% or more
is possible."