99designs.fr W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
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 “X-UA-TextLayoutMetrics” for attribute “http-equiv” on element “meta”.
Bad value “Accept-CH” for attribute “http-equiv” on element “meta”.
Bad value “crossorigin” for attribute “crossorigin” on element “link”.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “id” on element “section”: An ID must not be the empty string.
Duplicate ID “”.
Attribute “layout” not allowed on element “img” at this point.
Bad value “100%” for attribute “width” on element “video”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “video”: Expected a digit but saw “%” instead.
Bad value “tel:+33 977556467” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Duplicate ID “Layer_1”.
Bad value “footer” for attribute “role” on element “footer”.
Warnings:
The first occurrence of ID “” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “Layer_1” was here.
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