80000hours.org 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.
Attribute “xmlns:v” not allowed here.
No “p” element in scope but a “p” end tag seen.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “a” at this point.
Start tag “a” seen but an element of the same type was already open.
End tag “a” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Attribute with the local name “xmlns:v” is not serializable as XML 1.0.
The “main” role is unnecessary for element “main”.
Attribute “"” is not serializable as XML 1.0.
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