Instawares.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Content-Security-Policy HTTP header: Bad content security policy: Unrecognised directive-name: "Content-Security-Policy". Expecting directive-value but found U+0022 ("). Non-ASCII and non-printable characters must be percent-encoded.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “999";” not allowed on element “a” at this point.
CSS: “z-index”: Parse Error.
Attribute “999";” not allowed on element “div” 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.
Bogus comment.
Stray end tag “a”.
Attribute “itemcount” not allowed on element “a” at this point.
Element “defaultcontent” not allowed as child of element “li” in this context. (Suppressing further errors from this subtree.)
Attribute “cssclass” not allowed on element “div” at this point.
Stray start tag “div”.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
Attribute “999";” is not serializable as XML 1.0.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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