• HTML and CSS Tutorials, References, and Articles | HTML Dog
  by Patrick Griffiths, a professional web developer since 1999 (UK)
  in WebTools with webmastering by 38 users
• Feed Validator for Atom and RSS
  in WebTools with webmastering by 23 users
• W3C Feed Validation Service, for Atom and RSS
  in WebTools with webmastering by 4 users
• World Wide Web Consortium
  The World Wide Web Consortium (W3C) develops interoperable technologies (specifications, guidelines, software, and tools) to lead the Web to its full potential. W3C is a forum for information, commerce, communication, and collective understanding.
  The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web standards.
  in WebTools with webmastering by 70 users
• HTML Colors (w3schools)
  in WebTools with webmastering by 11 users
• The W3C Markup Validation Service
  
  W3C's easy-to-use markup validation service, based on SGML and XML parsers.
  html hypertext language markup service validation w3c
  in WebTools with webmastering by 104 users

« Previous
webmastering from all users