Pemco.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “Expires” for attribute “http-equiv” on element “meta”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “form” in this context. (Suppressing further errors from this subtree.)
Element “ie:menuitem” not allowed as child of element “menu” in this context. (Suppressing further errors from this subtree.)
Bogus comment.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Potentially bad value “allow-same-origin allow-scripts” for attribute “sandbox” on element “iframe”: Setting both “allow-scripts” and “allow-same-origin” is not recommended, because it effectively enables an embedded page to break out of all sandboxing.
Element name “ie:menuitem” cannot be represented as XML 1.0.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The document is not mappable to XML 1.0 due to a trailing hyphen in a comment.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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