Firstonline.info 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 character “ ” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.
The “font” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
Duplicate ID “my-ajax-blog-widget”.
The “center” element is obsolete. Use CSS instead.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “{” instead.
Attribute “checked” not allowed on element “input” at this point.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
The first occurrence of ID “my-ajax-blog-widget” was here.
The “contentinfo” role is unnecessary for element “footer”.
Empty heading.
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