Killcliff.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 “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “” was here.
Errors:
Bad value “https://fonts.googleapis.com/css?family=Oswald:300,400,500,600,700|Source+Sans+Pro:300,400,600,700,900|Roboto+Condensed:300,400,700” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
The element “button” must not appear as a descendant of the “a” element.
Element “input” is missing required attribute “aria-expanded”.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Duplicate ID “”.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “tel:(855) 552-5433” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
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