Haven.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.
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”.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Errors:
Attribute “link” not allowed on element “a” at this point.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
The element “a” must not appear as a descendant of the “button” element.
No “p” element in scope but a “p” end tag seen.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “tel:0333 202 5250” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “tel:0333 202 1460” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Attribute “fixed-size” not allowed on element “div” at this point.
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