This tool is an ongoing experiment in better HTML checking, and its behavior remains subject to change
Error: Heading cannot be a child of another heading.
From line 43, column 1; to line 43, column 4
></a><br>↩<h1>Digita
There were errors.
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 544 milliseconds.
About this checker • Report an issue • Version: 25.8.30