Various webauthoring links
w3schools. Good set of tutorials.
HTML dog (someone's recommendation)
webdesignfromscratch (ditto)
CS's HTML guide (old)
w3c (more like specs than tutorials, definitive)
w3c: all HTML 4.0 elements (=tags)
(can find all attributes there too)
w3c: all HTML 4.01 elements
(can find all attributes there too)
w3schools: all HTML 4.01 elements
MS: HTML elements
w3c: Entities (£ etc)
(Ditto - with direct unicode. Old page)
w3c: HTML validator (by server)
. Can also download software to do this:
HTML Validator
HTML Tidy
HTML Tidy
Validator - Debian package
Local w3c validator
Free link checker
Article on making stuff cross-browser compatible
Another making-cross-browser-compliant page
timescomputing (no longer available?)
HTTP headers
w3c: CSS1 spec
w3c: CSS2 spec
w3c: CSS2.1 spec
Default HTML 4.0 stylesheet
csszengarden.com
Short CSS FAQ
MS list of CSS style attributes and their corresponding properties.
List of CSS 'hacks' (selectors for various sets of browsers)
Another list of CSS 'hacks' (Tantek)
Explanation of broken box model
Tantek Çelik homepage
MSIE: html,dhtml,css ref
(useful starting point)
MSIE: List of CSS style attributes and their corresponding properties
Javascript tutorial/reference
MSIE: html and dhtml ref
(This link may change)
MSIE: Javascript language reference
(This link may change) (Use DHTML references for inbuilt DHTML functions)
mozilla.org: short dom ref
mozilla.org: long dom ref
w3schools: DHTML examples
w3schools: dhtml ref
PHP manual
Accessibility info
Accessibility tester
Browser cam (view page with different browsers - unfree)