Classroom-aid.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”.
Empty heading.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Attribute with the local name “xmlns:dct” is not serializable as XML 1.0.
Errors:
Bad value “http://fonts.googleapis.com/css?family=Droid+Serif:400|Coda:400&subset=latin” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “original-title” not allowed on element “a” at this point.
Element “style” not allowed as child of element “header” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
Attribute “xmlns:dct” not allowed here.
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