Irpaai.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “link” is missing one or more of the following attributes: “itemprop”, “property”, “rel”.
Duplicate ID “twentythirteen-fancybox-css”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
No space between attributes.
Bad value “container popUp” for attribute “id” on element “div”: An ID must not contain whitespace.
Stray end tag “div”.
Warnings:
The first occurrence of ID “twentythirteen-fancybox-css” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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