URL Shortening
By using Apache's mod_rewrite module, you can greatly shorten your HTML files by making common locations into one/two letter aliases.

Apache Mod_Rewrite Entry

RewriteMap      abbr            dbm:/etc/apache/abbr
RewriteRule     ^/r/([^/]*)/?(.*)   ${abbr:$1}$2    
[redirect=permanent,last]
/etc/apache/abbr


b    bytes/
d    dogs/
g    graphics/

gt    graphics/template/
HTTP Caching
Use HTTP headers to have finer grained control over browser caching, these headers include:

Headers
Last-Modified: Mon, 22 Jul 2002 15:50:00 GMT
Expires: Mon, 22 Jul 2002 15:52:25 GMT
Cache-Control: must-revalidate, max-age=15, s-maxage=0, private