Streamspot.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.
Empty heading.
The first occurrence of ID “heading2” was here.
The “form” role is unnecessary for element “form”.
Errors:
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “center” element is obsolete. Use CSS instead.
Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Stray end tag “small”.
Duplicate ID “heading2”.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
End tag “h4” seen, but there were open elements.
Bad value “100px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
No “p” element in scope but a “p” end tag seen.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
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