Oltnertagblatt.ch 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.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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).
The first occurrence of ID “subject” was here.
Errors:
Bad value “” for attribute “itemprop” on element “img”.
Bad value “” for attribute “sizes” on element “img”: Must not be empty.
Bad value “” for attribute “srcset” on element “img”: Must contain one or more image candidate strings.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “subject”.
The “itemprop” attribute was specified, but the element is not a property of any item.
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