Errors:
Almost standards mode 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.
Element “meta” is missing one or more of the following attributes: “http-equiv”, “itemprop”, “name”, “property”.
The “font” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Text not allowed in element “iframe” in this context.
Element “li” not allowed as child of element “h4” in this context. (Suppressing further errors from this subtree.)
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
A table row was 1 columns wide, which is less than the column count established by the first row (2).
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
A table row was 1 columns wide, which is less than the column count established by the first row (3).
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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