Idmprogram.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “retina_logo_url” not allowed on element “img” at this point.
An element with “role=menuitem” must be contained in, or owned by, an element with “role=menubar” or “role=menu”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “q” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “(min-width: 2200px) 100vw, (min-width: 784px) 340px, (min-width: 712px) 510px, (min-width: 640px) 712px, ” for attribute “sizes” on element “img”: Empty source size at “…min-width: 640px) 712px, ”.
Warnings:
The “main” role is unnecessary for element “main”.
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