Errors:
Bad value “tel:+420 234 716 111” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Attribute “placement” not allowed on element “label” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “tel:+420 234 716 515” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
The “type” attribute on the “ul” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
End tag “br”.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Duplicate ID “name”.
Bad value “1” for attribute “required” on element “input”.
Duplicate ID “mail”.
Duplicate ID “text”.
Bad value “1” for attribute “required” on element “textarea”.
Duplicate ID “agreement”.
Duplicate ID “submit”.
Stray start tag “link”.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “name” was here.
The first occurrence of ID “mail” was here.
The first occurrence of ID “text” was here.
The first occurrence of ID “agreement” was here.
The first occurrence of ID “submit” was here.
This document appears to be written in Czech. Consider adding “lang="cs"” (or variant) to the “html” start tag.
Czech Republic CZ