Errors:
Element “ol” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
Table column 2 established by element “td” has no cells beginning in it.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete.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The “allowtransparency” attribute on the “iframe” element is obsolete.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The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “height” attribute on the “td” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
Attribute “type” not allowed on element “iframe” at this point.
Duplicate ID “adcategory_9”.
Duplicate ID “adcategory_5”.
Duplicate ID “adcategory_2”.
Duplicate ID “adcategory_3”.
Duplicate ID “adcategory_16”.
Duplicate ID “adcategory_14”.
Duplicate ID “adcategory_13”.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
Warnings:
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The first occurrence of ID “adcategory_9” was here.
The first occurrence of ID “adcategory_5” was here.
The first occurrence of ID “adcategory_2” was here.
The first occurrence of ID “adcategory_3” was here.
The first occurrence of ID “adcategory_16” was here.
The first occurrence of ID “adcategory_14” was here.
The first occurrence of ID “adcategory_13” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in Thai. Consider adding “lang="th"” (or variant) to the “html” start tag.
Thailand TH