Danielsnyc.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “nope!” for attribute “media” on element “link”: Expected a letter or whitespace but saw “!” instead.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
CSS: “max-height”: Parse Error.
CSS: “background-color”: Parse Error.
CSS: “background-size”: Parse Error.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
CSS: “text-align”: Parse Error.
Attribute “autocorrect” not allowed on element “input” at this point.
CSS: Parse Error.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “navigation” role is unnecessary for element “nav”.
The “banner” role is unnecessary for element “header”.
The “main” role is unnecessary for element “main”.
The “contentinfo” role is unnecessary for element “footer”.
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