Mthai.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “value” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
Bad value “https:/en.mthai.com?utm_source=home-mthai&utm_medium=en&utm_content=MThai%20English&utm_campaign=main-menu” for attribute “href” on element “a”: Expected a slash ("/").
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
Bad value “
https://glitter.mthai.com/app/uploads/2017/02/glitter3.gif w ” for attribute “srcset” on element “img”: Expected integer but found “” at “…glitter3.gif w ”.
Bad value “
https://glitter.mthai.com/app/uploads/2017/02/glitter2.gif w ” for attribute “srcset” on element “img”: Expected integer but found “” at “…glitter2.gif w ”.
Bad value “
https://glitter.mthai.com/app/uploads/2017/02/glitter1.gif w ” for attribute “srcset” on element “img”: Expected integer but found “” at “…glitter1.gif w ”.
The element “header” must not appear as a descendant of the “footer” element.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “document” role is unnecessary for element “body”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Empty heading.
This document appears to be written in Thai but the “html” start tag has “lang="en"”. Consider using “lang="th"” (or variant) instead.
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