Errors:
Quirky doctype. Expected “<!DOCTYPE html>”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Element “object” is missing one or more of the following attributes: “data”, “type”.
The “codebase” attribute on the “object” element is obsolete. Use the “data” and “type” attributes to invoke plugins. To set a parameter with the name “codebase”, use the “param” element.
The “align” attribute on the “object” element is obsolete. Use CSS instead.
The “classid” attribute on the “object” element is obsolete. Use the “data” and “type” attributes to invoke plugins. To set a parameter with the name “classid”, use the “param” element.
The “align” attribute on the “embed” element is obsolete. Use CSS instead.
The “name” attribute on the “embed” element is obsolete. Use the “id” attribute instead.
Stray end tag “embed”.
Stray end tag “object”.
Duplicate ID “intro”.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “nowrap” attribute on the “td” element is obsolete. Use CSS instead.
Table columns in range 8…13 established by element “td” have no cells beginning in them.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “intro” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
A table row was 13 columns wide and exceeded the column count established by the first row (7).
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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