Technikblog.ch W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “link” not allowed as child of element “svg” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “h4” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Text not allowed in element “ul” in this context.
Element “span” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “cn-notice-icon”.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “complementary” role is unnecessary for element “aside”.
The first occurrence of ID “cn-notice-icon” was here.
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