Nordicware.com 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.
The first occurrence of ID “newsletter-validate-detail” was here.
Errors:
Duplicate attribute “type”.
Element “link” is missing one or more of the following attributes: “itemprop”, “property”, “rel”.
Attribute “placeholder” is only allowed when the input type is “email”, “number”, “password”, “search”, “tel”, “text”, or “url”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “href” not allowed on element “div” at this point.
Bad value “video/mp4;” for attribute “type” on element “source”: Semicolon seen but there was no parameter following it.
Duplicate ID “newsletter-validate-detail”.
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