Chomoto.vn W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:fb” not allowed here.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “//fonts.googleapis.com/css?family=Roboto:400,700&subset=latin,vietnamese|PT+Sans:400,700|Open+Sans:400,700” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Attribute “results” not allowed on element “input” at this point.
Bad value “Menu” for attribute “rel” on element “a”: The string “Menu” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “up” for attribute “rel” on element “a”: The string “up” is not a registered keyword.
Duplicate ID “PreviewTooltip”.
Heading cannot be a child of another heading.
Stray end tag “h3”.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The “date” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.
The first occurrence of ID “PreviewTooltip” was here.
Empty heading.
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