Wikibon.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.
Bad value “https://github.com/WP-API/WP-API” for attribute “rel” on element “link”: The string “https://github.com/WP-API/WP-API” is not a registered keyword.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
The “align” attribute on the “hr” element is obsolete. Use CSS instead.
Attribute “slide-id” not allowed on element “li” at this point.
Element “hr” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
No “p” element in scope but a “p” end tag seen.
Attribute “webkit-playsinline” not allowed on element “iframe” at this point.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “fa-lg” not allowed on element “i” at this point.
A numeric character reference expanded to carriage return.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “banner” role is unnecessary for element “header”.
The “main” role is unnecessary for element “main”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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