Bongobd.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “videothumbsmall” was here.
Element name “fb:login-button” cannot be represented as XML 1.0.
The “form” role is unnecessary for element “form”.
Errors:
Bad value “//” for attribute “src” on element “script”: Invalid host: empty host.
Attribute “aria-foldedopen” not allowed on element “a” at this point.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “videothumbsmall”.
Bad element name “fb:login-button”: Code point “U+003A” is not allowed
The “aria-labelledby” attribute must point to an element in the same document.
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