This tool is an ongoing experiment in better HTML checking, and its behavior remains subject to change
Warning: Consider adding a lang attribute to the html start tag to declare the language of this document.
From line 3, column 32; to line 4, column 6
-06-15 -->↩<html>↩ <h
The document validates according to the specified schema(s).
Used the schema for HTML + SVG 1.1 + MathML 3.0 + RDFa 1.1.
Used the HTML parser. Externally specified character encoding was utf-8.
Total execution time 796 milliseconds.
About this checker • Report an issue • Version: 23.8.18