Last updated July 2, 2018.
Standards & Documentation
The World Wide Web Consortium
XHTML 1.0 Specification
XHTML 1.1 Specification
XHTML Basic 1.1 Specification
Cascading Style Sheets, level 1
(CSS 1.0)
Cascading Style Sheets, level 2
(CSS 2.1)
XSL Transformations (XSLT) Version 1.0
HTML 4.01 Specification
HTML 3.2 and Netscape 4.0
NCSA CGI Documentation
webreference
Wikipedia Web colors reference
Tools
Free Online Network Utilies
courtest of CentralOps.net
W3C HTML Validator Tool
-- Free syntax validator.
W3C Link Checker
-- Free web page link checker.
W3C CSS Validator
-- Free CSS validation.
Analog
-- Best stats analyzer! Free, portable, graphical, fast!
Spam Assassin
-- Apache anit-spam filter.
Web Servers
Apache HTTP Server Home Page
NCSA HTTP Server Home Page
(historical use only)
CERN HTTP Server Home Page
(historical use only)