This tool is an ongoing experiment in better HTML checking, and its behavior remains subject to change
Error: Element title must not be empty.
From line 1, column 23; to line 1, column 30
ml><title></title>↩↩<img
Error: Bad value for attribute longdesc on element img: Must be non-empty.
From line 3, column 1; to line 7, column 2
</title>↩↩<img↩ longdesc="" ↩ src="http://validator.w3.org/nu/html.png"↩ alt="The HTML5 logo."↩/>↩
Error: The longdesc attribute on the img element is obsolete. Use a regular a element to link to the description.
From line 3, column 1; to line 7, column 2
</title>↩↩<img↩ longdesc="" ↩ src="http://validator.w3.org/nu/html.png"↩ alt="The HTML5 logo."↩/>↩
Info: Trailing slash on void elements has no effect and interacts badly with unquoted attribute values.
From line 3, column 1; to line 7, column 2
</title>↩↩<img↩ longdesc="" ↩ src="http://validator.w3.org/nu/html.png"↩ alt="The HTML5 logo."↩/>↩
Warning: Consider adding a lang attribute to the html start tag to declare the language of this document.
From line 1, column 16; to line 1, column 22
TYPE html><title></titl
There were errors.
<!DOCTYPE html><title></title>↩↩<img↩ longdesc="" ↩ src="http://validator.w3.org/nu/html.png"↩ alt="The HTML5 logo."↩/>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 2 milliseconds.
About this checker • Report an issue • Version: 24.4.15