On this page you can find several links to (off-site) documentation, in the area of webdevelopment, scripting, security and design.
Webmonkey
A large site containing tips and trics regarding webdesign, webbuilding, using forms, graphics and scripting.
HTML Handleiding (Dutch)
A reference site explaining all HTML 4.01 tags and attributes. There's also a section on using CSS.
W3 HTML/XHTML Validator
Use this Validator to check if your (X)HTML is up to the specifications. Valid HTML is the best way to ensure your site looks the same in every browser.
PHP.net
The PHP homepage, containing the full reference to every PHP command and lots of useful code examples and tips from other PHP users.
Web Accessability
Information on how to build accessible websites for all users.
