Sudtipos.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
The element “label” must not appear as a descendant of the “label” element.
Attribute “lass” not allowed on element “path” at this point.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Start tag “a” seen but an element of the same type was already open.
When the “srcset” attribute has any image candidate string with a width descriptor, the “sizes” attribute must also be present.
Stray end tag “a”.
Warnings:
Empty heading.
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