Netpaths.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.
No space between attributes.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
The element “button” must not appear as a descendant of the “a” element.
No “p” element in scope but a “p” end tag seen.
Attribute “counter-responsv-wrap-3108” not allowed on element “div” at this point.
Attribute “counter-responsv-wrap-5488” not allowed on element “div” at this point.
Attribute “counter-responsv-wrap-6940” not allowed on element “div” at this point.
Attribute “counter-responsv-wrap-8718” not allowed on element “div” 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.
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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