Rtvdrenthe.nl 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 “https://fonts.googleapis.com/css?family=Roboto:400,300,500,700,900|Roboto+Condensed:300,700italic,300italic” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Element “i” is missing one or more of the following attributes: “role”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “” for attribute “name” on element “input”: Must not be empty.
Bad value “” for attribute “for” on element “label”: An ID must not be the empty string.
Bad value “” for attribute “id” on element “input”: An ID must not be the empty string.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The “form” role is unnecessary for element “form”.
Empty heading.
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