▽The W3C Markup Validation Service ●03/01 08:20 Character Encoding Only if missing Document Type Only if missing List Messages Sequentially Group Error Messages by Type Show Source Clean up Markup with HTML-Tidy Show Outline Validate error pages Verbose Output Validate by File Upload Upload a document for validation: File: More Options Character Encoding Only if missing Document Type Only if missing List Messages Sequentially Group Error Messag