Area1security.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “” for attribute “href” on element “link”: Must be non-empty.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate ID “Oval”.
Duplicate ID “Group”.
Duplicate ID “Combined-Shape”.
Duplicate ID “Rectangle”.
Duplicate ID “Path-4”.
Duplicate ID “Group-3”.
Too many messages.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “main” role is unnecessary for element “main”.
The first occurrence of ID “Oval” was here.
The first occurrence of ID “Group” was here.
The first occurrence of ID “Combined-Shape” was here.
The first occurrence of ID “Rectangle” was here.
The first occurrence of ID “Path-4” was here.
The first occurrence of ID “Group-3” was here.
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