Teacherled.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Attribute “async” not allowed on element “link” at this point.
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.
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Attribute “counter-responsv-wrap-5252” not allowed on element “div” at this point.
No space between attributes.
Warnings:
The “main” role is unnecessary for element “main”.
The “contentinfo” role is unnecessary for element “footer”.
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