Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
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”.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Duplicate ID “wrapper”.
The “center” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “g:plusone” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
End tag “br”.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Duplicate ID “o_list”.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
Duplicate ID “step_header”.
Duplicate ID “step_content”.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Stray end tag “a”.
Element “h4” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
Unclosed element “center”.
No “p” element in scope but a “p” end tag seen.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The first occurrence of ID “wrapper” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Element name “g:plusone” cannot be represented as XML 1.0.
The first occurrence of ID “o_list” was here.
The first occurrence of ID “step_header” was here.
The first occurrence of ID “step_content” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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