Wineandglue.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 “orgwidth” not allowed on element “img” at this point.
Attribute “orgheight” not allowed on element “img” at this point.
The “id” attribute on a “map” element must have an the same value as the “name” attribute.
Bad value “_window” for attribute “target” on element “area”: Reserved keyword “window” used.
Attribute “imageanchor” not allowed on element “a” 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.
Attribute “popupally-popup” not allowed on element “form” at this point.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “complementary” role is unnecessary for element “aside”.
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