Portsmouth.co.uk W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “XMLID_33_” was here.
The first occurrence of ID “Layer_1” was here.
Errors:
Bad value “false” for attribute “async” on element “script”.
Bad value “true” for attribute “autofocus” on element “input”.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
Duplicate ID “XMLID_33_”.
Forbidden code point U+0019.
Forbidden code point U+0008.
Bad value “footer” for attribute “role” on element “footer”.
Duplicate ID “Layer_1”.
Bad value “nav” for attribute “role” on element “nav”.
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