Aplaceforeverything.co.uk W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “navigation” role is unnecessary for element “nav”.
Attribute “"” is not serializable as XML 1.0.
Errors:
Attribute “href” not allowed on element “button” at this point.
Element “button” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “div” at this point.
Bad value “true” for attribute “async” on element “script”.
Bad value “true” for attribute “defer” on element “script”.
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