Edenprojects.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.
Duplicate ID “menu”.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Attribute “original-title” not allowed on element “img” 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.
Duplicate ID “topnav”.
Duplicate ID “middle”.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “menu” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “topnav” was here.
The first occurrence of ID “middle” was here.
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