Uwosh.edu W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
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 “navigation” for attribute “role” on element “aside”.
Attribute “type” not allowed on element “iframe” at this point.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “https://forecast.io/embed/#lat=44.0264&lon=-88.5513&name=UW Oshkosh&color=#444444” for attribute “src” on element “iframe”: Illegal character in fragment: space is not allowed.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “cse-search-box”.
Element “dl” is missing a required child element.
Element “deck” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Stray end tag “section”.
Warnings:
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “banner” role is unnecessary for element “header”.
The first occurrence of ID “cse-search-box” was here.
The “main” role is unnecessary for element “main”.
The “contentinfo” role is unnecessary for element “footer”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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