Neverendservices.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
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.)
The element “button” must not appear as a descendant of the “a” element.
Duplicate ID “captioned-gallery”.
Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
The element “a” must not appear as a descendant of the “button” element.
Bad value “2px” for attribute “border” on element “img”: Only “0” is a permitted zero literal.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
No “p” element in scope but a “p” end tag seen.
Warnings:
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “captioned-gallery” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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