Ctqcp.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “head” is missing a required instance of child element “title”.
Stray start tag “html”.
Stray start tag “head”.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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