Heapsmag.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
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.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “100%"” not allowed on element “header” 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 “100%;background:” not allowed on element “div” at this point.
Attribute “#fff;"” not allowed on element “div” at this point.
Attribute “100%"” not allowed on element “div” at this point.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
No “li” element in scope but a “li” end tag seen.
Stray end tag “div”.
Warnings:
Attribute “100%"” is not serializable as XML 1.0.
Attribute “100%;background:” is not serializable as XML 1.0.
Attribute “#fff;"” is not serializable as XML 1.0.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
The value of attribute “alt” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
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