Well organized and easy to understand Web bulding tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, and XML.. Markup Validation Service. Check the markup (HTML, XHTML, …) of Web documents. Validate by URI; Validate by File Upload; Validate by Direct Input..
Free HTML XHTML CSS JavaScript DHTML XML DOM XSL XSLT RSS AJAX ASP ADO PHP SQL tutorials, references, examples for web building.. The tag represents the root of an HTML document. The tag is the container for all other HTML elements (except for the tag)..
