Wallstreetenglish.com W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
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 “” for attribute “id” on element “section”: An ID must not be the empty string.
Attribute “controlslist” not allowed on element “video” at this point.
Duplicate ID “”.
Duplicate ID “mobile-nav-icon3”.
Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “sub-button”.
Duplicate ID “no-thanks”.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “” was here.
The first occurrence of ID “mobile-nav-icon3” was here.
The “contentinfo” role is unnecessary for element “footer”.
The first occurrence of ID “sub-button” was here.
The first occurrence of ID “no-thanks” was here.
Myanmar MM