Raccars.co.uk W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “”en”” for attribute “lang” on element “html”: The language subtag “”en”” is not a valid language subtag.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “rel” not allowed on element “form” at this point.
No space between attributes.
Attribute “;” not allowed on element “div” at this point.
Bad value “true” for attribute “async” on element “script”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Attribute “aria-hidden” is unnecessary for elements that have attribute “hidden”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Attribute “;” is not serializable as XML 1.0.
This document appears to be written in English but the “html” start tag has “lang="”en”"”. Consider using “lang="en"” (or variant) instead.
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