Graphisoft.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “top” for attribute “rel” on element “link”: The string “top” is not a registered keyword.
Attribute “placeholder” not allowed on element “input” at this point.
Attribute “placeholder” is only allowed when the input type is “email”, “number”, “password”, “search”, “tel”, “text”, or “url”.
Element “img” is missing required attribute “src”.
Attribute “rel” not allowed on element “div” at this point.
Element “style” not allowed as child of element “header” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “p” in this context. (Suppressing further errors from this subtree.)
The element “img” with the attribute “usemap” must not appear as a descendant of the “a” element.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “int” for attribute “rel” on element “a”: The string “int” is not a registered keyword.
Warnings:
Potentially bad value “copyright” for attribute “rel” on element “link”: The keyword “copyright” for the “rel” attribute should not be used. Consider using “license” instead.
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The “border” attribute is obsolete.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.
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