Errors:
Legacy encoding “windows-1250” used. Documents must use UTF-8.
The only allowed value for the “charset” attribute for the “meta” element is “utf-8”.
Bad value “navigation” for attribute “role” on element “aside”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “top_bar_icons”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate attribute “role”.
Bad value “nav” for attribute “role” on element “ul”.
The “main” element must not appear as a descendant of the “main” element.
A document must not include more than one visible “main” element.
Element “img” is missing required attribute “src”.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
End tag “article” seen, but there were open elements.
Bad value “/dokumenty/27 Rozpis ledu 1.7.-7.7.2019.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
End tag “div” seen, but there were open elements.
Unclosed element “main”.
Stray end tag “main”.
Bad value “phone:+420 359909159” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Stray end tag “div”.
Warnings:
The first occurrence of ID “top_bar_icons” was here.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
A table row was 6 columns wide and exceeded the column count established by the first row (5).
The “type” attribute is unnecessary for JavaScript resources.
This document appears to be written in Czech. Consider adding “lang="cs"” (or variant) to the “html” start tag.
Czech Republic CZ