Mikerowe.com 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.
Bad value “shortcut” for attribute “rel” on element “link”: If the “shortcut” keyword is present, the “rel” attribute's entire value must be “shortcut icon”.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “noscript” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Stray start tag “script”.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The “main” role is unnecessary for element “main”.
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