Thaich.net 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 element name “gcse:searchbox-only”: Code point “U+003A” is not allowed
Element “p” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “tab-1”.
Attribute “ title” not allowed on element “img” at this point.
The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.
Bad value “generator” for attribute “rel” on element “a”: The string “generator” is not a registered keyword.
Warnings:
Element name “gcse:searchbox-only” cannot be represented as XML 1.0.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “tab-1” was here.
Attribute “ title” is not serializable as XML 1.0.
The “contentinfo” role is unnecessary for element “footer”.
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