Minimum HTML Markup that validates. The following is valid HTML5 markup and will validate.
<!doctype html> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <title></title> </head> <body> </body> </html>
Success! "This document was successfully checked as HTML5!"
Note that you will may get the "experimental feature" warning.See the Markup Validation Service: https://validator.w3.org/