Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Attribute “x-webkit-speech” not allowed on element “input” at this point.
The “center” element is obsolete. Use CSS instead.
Duplicate ID “do-register”.
Element “style” not allowed as child of element “center” in this context. (Suppressing further errors from this subtree.)
Bad value “//books.academic.ru/book.nsf/80325128/611-122 Howard Miller” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Attribute “alt” not allowed on element “a” at this point.
Bad value “//books.academic.ru/book.nsf/85016944/Мини-платье, Dolce Vita, BL1161” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “//books.academic.ru/book.nsf/86067534/Hawkers: An Ethnographic Study of Strategies of Survival” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The first occurrence of ID “do-register” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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