Grumant.ru 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”.
Attribute “http-equiv” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Element “title” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Attribute “name” not allowed on element “meta” at this point.
Bad value “true” for attribute “async” on element “script”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Element “noindex” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “href” not allowed on element “span” at this point.
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