Visitdublin.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Start tag “head” seen but an element of the same type was already open.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
End tag “br”.
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"href” not allowed on element “a” at this point.
No “li” element in scope but a “li” end tag seen.
Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “penny” not allowed on element “a” at this point.
Attribute “bridge'” not allowed on element “a” at this point.
Attribute “s” not allowed on element “a” at this point.
Attribute “on” not allowed on element “a” at this point.
Attribute “in” not allowed on element “a” at this point.
Attribute “december'” not allowed on element “a” at this point.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “navigation” role is unnecessary for element “nav”.
Attribute “"href” is not serializable as XML 1.0.
Attribute “bridge'” is not serializable as XML 1.0.
Attribute “december'” is not serializable as XML 1.0.
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