Forfur.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
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The “frameborder” attribute on the “iframe” element is obsolete.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.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Text not allowed in element “iframe” in this context.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
Stray end tag “div”.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad element name “fb:like-box”: Code point “U+003A” is not allowed
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Stray end tag “ul”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Warnings:
Element name “fb:like-box” cannot be represented as XML 1.0.
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