Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
Bad value for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “” for attribute “id” on element “ul”: An ID must not be the empty string.
Bad value “” for attribute “srcset” on element “img”: Must contain one or more image candidate strings.
The element “noscript” must not appear as a descendant of the “noscript” element.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “”.
Bad value “//fonts.googleapis.com/css?family=Dosis:200,300,400,500,600,700,800|Open+Sans:400,700&subset=latin,latin-ext” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “contentinfo” role is unnecessary for element “footer”.
The first occurrence of ID “” was here.
This document appears to be written in Thai but the “html” start tag has “lang="en-US"”. Consider using “lang="th"” (or variant) instead.
Thailand TH