Domofond.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad start tag in “iframe” in “head”.
Element “head” is missing a required instance of child element “title”.
Stray end tag “noscript”.
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.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
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.
Attribute “alt” not allowed on element “a” at this point.
Element “div” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “a”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “stop” is missing required attribute “offset”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “a” was here.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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