Shmoop.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.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Element name “gcse:searchbox-only” cannot be represented as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Errors:
Element “meta” is missing one or more of the following attributes: “content”, “property”.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Bad value “https://fonts.googleapis.com/css?family=Bitter|Gloria+Hallelujah|Roboto:500,400,300” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad element name “gcse:searchbox-only”: Code point “U+003A” is not allowed
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “h4” in this context. (Suppressing further errors from this subtree.)
No “li” element in scope but a “li” end tag seen.
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