Philips.fr W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:wb” not allowed here.
Element “img” is missing required attribute “src”.
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.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “”.
Bad value “Adresse e-mail
” for attribute “placeholder” on element “input”: Line feed not allowed.
Duplicate ID “item_1”.
Attribute “none” not allowed on element “a” at this point.
Duplicate ID “item_2”.
Warnings:
Attribute with the local name “xmlns:wb” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “” was here.
Empty heading.
The first occurrence of ID “item_1” was here.
The first occurrence of ID “item_2” was here.
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