Sledovanitv.cz W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute is unnecessary for JavaScript resources.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “nova” was here.
The first occurrence of ID “primafamily” was here.
The first occurrence of ID “filmbox” was here.
The first occurrence of ID “nova_sport” was here.
The first occurrence of ID “nat_geo_wild” was here.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “span”.
Element “style” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Duplicate ID “nova”.
Duplicate ID “primafamily”.
Duplicate ID “filmbox”.
Duplicate ID “nova_sport”.
Duplicate ID “nat_geo_wild”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
CSS: “webkit-transition”: Property “webkit-transition” doesn't exist.
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