Standards Supported by Web Document Conformance Checker

Summary

StandardVersionNote
HTML 5 (Editor's Draft) Partially
Atom RFC Partially
XML 1.0 Fourth Edition Tentative
1.1 Second Edition Tentative
XML Namespaces 1.0 Second Edition Tentative
1.1 First Edition Tentative
HTTP Tentative (no validation)

HTML

Restrictions:

Atom

Only a part is implemented.