HTML og CSS links

Siden er mest min egen huskeseddel og skal ikke tages som andet ...
(men hvis nogen kan bruge den, er det fint for mig!)

Standarder

W3C: HTML5 (W3C Candidate Recomm. 17 Dec 2012): WHATWG: HTML: The Living Standard (A technical specification for Web developers; WHATWG: HTML - Living Standard; w3schools: HTML Reference - (HTML5 Compliant)
W3C: HTML 4.01 Specification
W3C: XHTML™ 1.0 The Extensible HyperText Markup Language (Second Edition)
W3C: Cascading Style Sheets, level 1
W3C: Cascading Style Sheets, level 2.1: W3Schools: CSS Reference
W3C: Positioning HTML Elements with Cascading Style Sheets

W3C: The W3C Markup Validation Service
W3C: The W3C CSS Validation Service
W3C: W3C Link Checker
WDG: WDG HTML Validator
WDG: Validators and Checkers: Omfattende oversigt over kodetjek-værktøjer på nettet.

Can I use...: Compatibility tables for support of HTML5, CSS3, SVG and more in desktop and mobile browsers.
HTML5 Please: Look up HTML5, CSS3, etc features, know if they are ready for use, and if so find out how you should use them – with polyfills, fallbacks or as they are.
QuirksMode.org: Browser compatibility information.
www.w3schools.com: Omfattende info om HTML, CSS, JavaScript, ASP, PHP, XML osv. – men ofte ikke specielt godt opdateret!
Hjemmesideskolen
Webdesign 101: – en webdesign notesbog

HTML Goodies
Jens Gyldenkærne Clausens Usenet-links (ikke opdateret længe og flere links virker ikke!): En lang række glimrende links og eksempler til HTML og ASP m.m.
glish.com
bluerobot.com
CSS og HR-elementet: Styling <hr>
(Tak til Marek Prokop)
How do I style an hr?
(Tak til Craig Saila)

Anders Thorsen Holm: Fancy-no-applet-menu
Tabbed navigation: A List Apart: Sliding Doors of CSS (by Douglas Bowman)
24 ways: Centered Tabs with CSS (by Ethan Marcotte)
24 ways: Auto-Selecting Navigation (by Drew McLellan)

Stopdesign.com: Throwing Tables Out the Window (by Douglas Bowman): Case study: Konvertér microsoft.com fra tabel- til CSS-layout. Tilhørende sider:
Still throwing tables
Slideshow: No More Tables
Olieu.net: divless layout :): "Quick & dirty" eksempel på DIV- og TABLE-løs layout med bl.a. styling af HTML- og BODY-elementerne.

Can I use...: Compatibility tables for support of HTML5, CSS3, SVG and more in desktop and mobile browsers.
Position Is Everything (PIE): 'We built this site to explain some obtuse CSS bugs in modern browsers, provide demo examples of interesting CSS behaviors, and show how to "make it work" without using tables for layout purposes.'