Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “text/xml; charset=utf-8” for attribute “content” on element “meta”: The legacy encoding declaration did not start with “text/html;”.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
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The “frameborder” attribute on the “iframe” element is obsolete.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.
Duplicate ID “_downloadUrl1”.
Duplicate ID “share”.
Duplicate ID “_operatingSystem2”.
Duplicate ID “_downloadUrl2”.
Duplicate ID “_downloadUrl4”.
Duplicate ID “_downloadUrl3”.
Duplicate ID “_publisher6”.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Start tag “input” seen in “table”.
Element “input” not allowed as child of element “tbody” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “td” element is obsolete. Use CSS instead.
The “itemref” attribute contained redundant references.
Warnings:
The first occurrence of ID “_downloadUrl1” was here.
The first occurrence of ID “share” was here.
The first occurrence of ID “_operatingSystem2” was here.
The first occurrence of ID “_downloadUrl2” was here.
The first occurrence of ID “_downloadUrl4” was here.
The first occurrence of ID “_downloadUrl3” was here.
The first occurrence of ID “_publisher6” was here.
This document appears to be written in Vietnamese. Consider adding “lang="vi"” (or variant) to the “html” start tag.
Viet Nam VN