(X)HTML and CSS

HyperText Markup Language (HTML) is the main markup language for creating web pages and other information that can be displayed in a web browser.

Cascading Style Sheets (CSS) is a style sheet language used for describing the look and formatting of a document written in a markup language most often used to style web pages and interfaces written in HTML and XHTML.

• www.w3schools.com
  • HTML Tutorial
  • CSS Tutorial

• www.selfhtml.org ¹⁾
  • de.selfhtml.org – Die Energie des Verstehens – HTML-Dateien selbst erstellen.

• www.w3.org – The World Wide Web Consortium (W3C)
  • W3C Markup Validation Service – Check the markup (HTML, XHTML, …) of Web documents.
  • W3C CSS Validation Service – Check Cascading Style Sheets (CSS) and (X)HTML documents with style sheets.
  • W3C Broken Link Checker

• www.w3schools.com
  • HTML Reference - (HTML5 Compliant)
  • CSS Reference

• www.css4you.de
  • Browser-Kompatibilität

• HTML and CSS Examples and Solutions

• www.w3schools.com HTML Examples
• Stuart Nicholls' www.cssplay.co.uk – CSS play deals with experimental CSS that is exactly what you get JUST CSS, no javascript or any other programming language has been used in any of the demonstrations.
• CSS tests and experiments
• www.pmob.co.uk – Raw CSS examples

• Webdesign-FAQ
• Art and web design by Matthew James Taylor
• Geräteabhängige Stilvorgaben mit CSS Media Queries
• www.dynamicdrive.com – The #1 place on the net to obtain free, original DHTML & Javascripts to enhance your web site!
• DHTML eXtensions - professional AJAX components for advanced Web UI.
• How to compress and minify CSS and JavaScript from the command line

• www.jsfiddle.net – JsFiddle is a playground for front-end web developers. It provides an online editor for snippets built from HTML, CSS and JavaScript.

• http://linuxwiki.de/lynx – Sourcecode (schön formatiert) ausgeben
• http://tidy.sourceforge.net – HTML Tidy Library Project Page
• http://csstidy.sourceforge.net – CSSTidy CSS parser and optimiser