Phildar.fr W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “alt” not allowed on element “button” at this point.
Element “img” is missing required attribute “src”.
Attribute “content” not allowed on element “span” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
Duplicate ID “identification_email”.
Attribute “valign” not allowed on element “img” at this point.
Bad value “true” for attribute “async” on element “script”.
Warnings:
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.
The first occurrence of ID “identification_email” was here.
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