Errors:
Legacy doctype. Expected “<!DOCTYPE html>”.
Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
The “center” element is obsolete. Use CSS instead.
No space between attributes.
Attribute “;” not allowed on element “div” at this point.
Attribute “name” not allowed on element “div” at this point.
Duplicate ID “submit”.
Attribute “;” not allowed on element “h1” at this point.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “style"padding-left:50px;"” not allowed on element “div” at this point.
The element “input” must not appear as a descendant of the “a” element.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Attribute “charset” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “content”, “itemprop”, “property”.
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.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Stray start tag “head”.
Attribute “;” not allowed on element “header” at this point.
Element “h1” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “happy_container”.
End of file seen and there were open elements.
Unclosed element “div”.
Warnings:
Attribute “;” is not serializable as XML 1.0.
The first occurrence of ID “submit” was here.
Attribute “style"padding-left:50px;"” is not serializable as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “happy_container” was here.
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