Leaseweb.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
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:+31 20 316 2880” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “tel:+49 69 2475 2860” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “tel:+1 571 814 3777” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
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.)
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “products-menu-item”.
Attribute “href” not allowed on element “span” at this point.
Attribute “about” not allowed on element “article” at this point.
End tag “br”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “products-menu-item” was here.
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.
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