Πηγές τεχνικών και επίλυσης προβλημάτων κωδικοποίησης HTML, CSS και JavaScript
CSS-Tricks. https://css-tricks.com/ Dive Into HTML5. http://diveintohtml5.info/ Learn to code | Codecademy. https://www.codecademy.com/ Mozilla Developer Network. https://developer.mozilla.org/el/ https://developer.mozilla.org/el/docs/Web Stack Overflow. http://stackoverflow.com/ Tutorialsοpoint. http://www.tutorialspoint.com/ W3Schools Online Web Tutorials. ...
HTML 5
http://www.w3schools.com/html5/default.asp http://haz.io/ http://dev.w3.org/html5/spec/single-page.html http://thinkvitamin.com/code/how-to-draw-with-html-5-canvas/
Differences Between XHTML And HTML
http://www.w3schools.com/xhtml/xhtml_html.asp HTML Elements and Valid Doctypes http://www.w3schools.com/tags/ref_html_dtd.asp HTML 4.01 / XHTML 1.0 Reference http://www.w3schools.com/tags/default.asp
Recommended Doctype Declarations to use in your Web document
http://www.w3.org/QA/2002/04/valid-dtd-list.html