Drukzo.nl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “tel:088 - 088 86 88” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Heading cannot be a child of another heading.
Stray end tag “a”.
When the “srcset” attribute has any image candidate string with a width descriptor, the “sizes” attribute must also be present.
Bad value “100%” for attribute “height” on element “img”: Expected a digit but saw “%” instead.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Attribute “content” not allowed on element “div” at this point.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
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