Cadbury.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.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Errors:
Element “meta” is missing required attribute “content”.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “webkit-playsinline” not allowed on element “video” at this point.
Bad value “true” for attribute “playsinline” on element “video”.
Element “picture” is missing a required instance of child element “img”.
Attribute “with” not allowed on element “svg” at this point.
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