Dsvolition.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “value” not allowed on element “input” at this point.
Element “input” is missing required attribute “alt”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “url” not allowed on element “h3” at this point.
Attribute “href” not allowed on element “div” at this point.
Attribute “height” not allowed on element “a” at this point.
Element “g:plusone” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Empty heading.
Element name “g:plusone” cannot be represented as XML 1.0.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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