Clickmeeting.pl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
End tag “br”.
Attribute “enable-background” not allowed on element “path” at this point.
Duplicate ID “mobile-google-play-pl”.
Duplicate ID “SVGID_1_”.
Duplicate ID “SVGID_2_”.
Duplicate ID “SVGID_3_”.
Duplicate ID “SVGID_4_”.
No space between attributes.
Duplicate ID “username-info”.
Attribute “0” not allowed on element “input” at this point.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “mobile-google-play-pl” was here.
The first occurrence of ID “SVGID_1_” was here.
The first occurrence of ID “SVGID_2_” was here.
The first occurrence of ID “SVGID_3_” was here.
The first occurrence of ID “SVGID_4_” was here.
The first occurrence of ID “username-info” was here.
Attribute “0” is not serializable as XML 1.0.
This document appears to be written in Polish. Consider adding “lang="pl"” (or variant) to the “html” start tag.
Poland PL