Ylgbullion.co.th W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete.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The “marginwidth” attribute on the “iframe” element is obsolete.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The “marginheight” attribute on the “iframe” element is obsolete.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The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
No space between attributes.
Attribute “ defer” not allowed on element “script” at this point.
Warnings:
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Attribute “ defer” is not serializable as XML 1.0.
Thailand TH