Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Malformed byte sequence: “f3”.
Stray doctype.
Stray start tag “html”.
Start tag “head” seen but an element of the same type was already open.
Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).
Bad value “text/html; charset=iso-8859-1;” for attribute “content” on element “meta”: The legacy encoding contained “;”, which is not a valid character in an encoding name.
Malformed byte sequence: “e7”.
Malformed byte sequence: “c9”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Malformed byte sequence: “ed”.
Malformed byte sequence: “d3”.
Malformed byte sequence: “cd”.
Malformed byte sequence: “f5”.
Malformed byte sequence: “d7”.
The “center” element is obsolete. Use CSS instead.
Malformed byte sequence: “e3”.
Malformed byte sequence: “ea”.
Malformed byte sequence: “fa”.
Malformed byte sequence: “e1”.
Malformed byte sequence: “e9”.
Duplicate ID “div1”.
Malformed byte sequence: “f4”.
Malformed byte sequence: “e2”.
Malformed byte sequence: “e0”.
Malformed byte sequence: “aa”.
Attribute “width” not allowed on element “div” at this point.
Attribute “height” not allowed on element “div” at this point.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “script” must not have attribute “defer” unless attribute “src” is also specified.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Malformed byte sequence: “c1”.
Malformed byte sequence: “c7”.
Malformed byte sequence: “c3”.
Malformed byte sequence: “d5”.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
Bad value “” for attribute “name” on element “input”: Must not be empty.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Warnings:
The first occurrence of ID “div1” was here.
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