This service lets you validate XML documents such as XHTML against the appropriate schemas. It performs a more accurate validation than the W3C validator.
This service tunnels HTTP requests and changes the MIME type of text/html resources to application/xml or application/xhtml+xml. This allows accurate testing with XHTML user agents such as Firefox, Opera or Amaya.
ThickBox is a webpage UI dialog widget written in JavaScript on top of the jQuery library. Its function is to show a single image, multiple images, inline content, iframed content, or content served through AJAX in a hybrid modal.
An access key is a HTML attribute that allows users to navigate to a certain link via the keyboard, rather than clicking. Its primary goal is to increase accessibility and usability in web pages for users who find using a mouse difficult.
Diese Website ist ein Versuch, zu demonstrieren, was mit Hilfe von Cascading Stylesheets möglich ist. Praktische Anwendungen werden Schritt für Schritt ausgearbeitet, ergänzt durch eine ausführliche Darstellung von theoretischen Grundlagen und aktuellen Entwicklungen.