Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “marquee” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “none” for attribute “border” on element “img”: Only “0” is a permitted zero literal.
The “font” element is obsolete. Use CSS instead.
No space between attributes.
Stray end tag “a”.
The “classid” attribute on the “object” element is obsolete.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The “codebase” attribute on the “object” element is obsolete.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The “align” attribute on the “object” element is obsolete.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The “name” attribute on the “embed” element is obsolete. Use the “id” attribute instead.
The “align” attribute on the “embed” element is obsolete. Use CSS instead.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in Vietnamese. Consider adding “lang="vi"” (or variant) to the “html” start tag.
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