Thedroneracingleague.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.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “a”.
Attribute “youtube-id” not allowed on element “div” at this point.
Attribute “poster” not allowed on element “div” at this point.
Attribute “activate-once” not allowed on element “div” at this point.
Attribute “src” not allowed on element “div” at this point.
Bad value “” for attribute “src” on element “source”: Must be non-empty.
Attribute “close-button-url” not allowed on element “a” at this point.
Attribute “javascript” not allowed on element “a” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “refresh-on-success” not allowed on element “form” at this point.
Attribute “state-switch” not allowed on element “a” at this point.
Attribute “modal-on-success” not allowed on element “form” at this point.
Stray end tag “script”.
Warnings:
The first occurrence of ID “a” was here.
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