Stan.com.au W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “rel” not allowed on element “meta” at this point.
Attribute “href” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “charset”, “content”, “http-equiv”, “itemprop”, “name”, “property”.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Attribute “inputmode” not allowed on element “input” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “link” role is unnecessary for element “a”.
The “inputmode” attribute is not supported in all browsers. Please be sure to test, and consider using a polyfill.
The “complementary” role is unnecessary for element “aside”.
The “contentinfo” role is unnecessary for element “footer”.
The “type” attribute is unnecessary for JavaScript resources.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
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