Errors:
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
Start tag “body” seen but an element of the same type was already open.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete.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The “cellpadding” attribute on the “table” element is obsolete.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The “align” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete.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The “align” attribute on the “td” element is obsolete.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The “valign” attribute on the “td” element is obsolete.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.
Attribute “background” not allowed on element “table” at this point.
Attribute “height” not allowed on element “table” at this point.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “img” element is obsolete.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The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.
Attribute “background” not allowed on element “td” at this point.
The “height” attribute on the “td” element is obsolete. Use CSS instead.
Duplicate ID “menutop1”.
The “bgcolor” attribute on the “tr” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “td” in this context. (Suppressing further errors from this subtree.)
The “bgcolor” attribute on the “table” element is obsolete. Use CSS instead.
Element “marquee” not allowed as child of element “td” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “tieudenho”.
Start tag “form” seen in “table”.
Element “form” not allowed as child of element “table” in this context. (Suppressing further errors from this subtree.)
Start tag “input” seen in “table”.
Element “input” not allowed as child of element “table” in this context. (Suppressing further errors from this subtree.)
Stray end tag “form”.
Bad value “http://” for attribute “href” on element “a”: Invalid host: empty host.
Duplicate attribute “valign”.
Duplicate ID “amenutrai”.
Duplicate ID “menutrai3”.
Duplicate ID “mdtrai”.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Duplicate ID “tieude”.
Bad value “images/product/goc/1607226371sân chơi ok.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
The “font” element is obsolete. Use CSS instead.
Duplicate ID “round”.
Duplicate ID “TextLeftCenter4m”.
Row 1 of a row group established by a “tbody” element has no cells beginning on it.
Duplicate ID “asanpham1”.
CSS: “padding”: only “0” can be a “unit”. You must put a unit after your number.
“td” start tag in table body.
Duplicate ID “tieudetinnho”.
No space between attributes.
Duplicate ID “amdtrai”.
The “align” attribute on the “tr” element is obsolete. Use CSS instead.
Duplicate ID “tieudetin”.
Too many messages.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “menutop1” was here.
The “type” attribute for the “style” element is not needed and should be omitted.
The first occurrence of ID “tieudenho” was here.
The first occurrence of ID “amenutrai” was here.
The first occurrence of ID “menutrai3” was here.
The first occurrence of ID “mdtrai” was here.
The first occurrence of ID “tieude” was here.
The first occurrence of ID “round” was here.
The first occurrence of ID “TextLeftCenter4m” was here.
The first occurrence of ID “asanpham1” was here.
The first occurrence of ID “tieudetinnho” was here.
The first occurrence of ID “amdtrai” was here.
The first occurrence of ID “tieudetin” was here.