Digital-coach.it 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 “nobr” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Attribute “rel” not allowed on element “span” at this point.
End tag “br”.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Duplicate ID “about-image”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “about-image” was here.
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