Alandsbanken.fi W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “fi_fi” for attribute “lang” on element “html”: The language subtag “fi_fi” is not a valid language subtag.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
The element “header” must not appear as a descendant of the “header” element.
The element “button” must not appear as a descendant of the “a” element.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “button” role is unnecessary for element “button”.
The “main” role is unnecessary for element “main”.
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