This tool is an ongoing experiment in better HTML checking, and its behavior remains subject to change
Error: Legacy encoding iso-8859-2 used. Documents must use UTF-8.
http://home.zcu.cz/~malek/
Error: Non-space characters found without seeing a doctype first. Expected <!DOCTYPE html>.
From line 1, column 1; to line 1, column 3
ďťż<a hre
Error: Element head is missing a required instance of child element title.
From line 1, column 1; to line 1, column 3
ďťż<a hre
head:iframe srcdoc document or if title information is available from a higher-level protocol: Zero or more elements of metadata content, of which no more than one is a title element and no more than one is a base element.title element and no more than one is a base element.Warning: Consider adding a lang attribute to the html start tag to declare the language of this document.
From line 1, column 1; to line 1, column 3
ďťż<a hre
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 ISO-8859-2.
Total execution time 218 milliseconds.
About this checker • Report an issue • Version: 21.12.25