Championhelmets.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Duplicate ID “product-q”.
Bad value “gallery” for attribute “rel” on element “a”: The string “gallery” is not a registered keyword.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
End tag “div” seen, but there were open elements.
Unclosed element “main”.
Stray end tag “main”.
Bad value “tel:+31 164 270 272” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Stray end tag “div”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Stray start tag “script”.
Warnings:
The first occurrence of ID “product-q” was here.
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