Technologies you should know for Web-development

Great post! I would also add jQuery to the list http://jquery.com/

SharpKit can also be a useful resource for learning HTML and JavaScript, if you’re a C# developer and like learning the APIs from Visual Studio using intellisense. http://sharpkit.net/help/SharpKit.Html4/SharpKit.Html4/HtmlE...

You should not use W3Schools for reference, take a look: http://w3fools.com/