Eric Petersen has put together a guide to web analytics resources, from the books that should be read to the tools to use. Eric is the author of Web Site Measurements Hacks.
An article by Michel Rodriguez discussing the purpose, uses and issues related to character encodings, and their use with XML and Perl. Provides an overview, related Perl modules, examples, a conclusion and references.
Downloadable diagram. Shows DOM1 interfaces, attributes, and methods. Useful as overview of the DOM and for looking up the exact method name you need while programming.