Puppytoob.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “//fonts.googleapis.com/css?family=Roboto:normal|Roboto:500&subset=latin” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Attribute “_lpchecked” not allowed on element “form” at this point.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Element “style” not allowed as child of element “li” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
Bad value “true” for attribute “async” on element “script”.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “complementary” role is unnecessary for element “aside”.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “contentinfo” role is unnecessary for element “footer”.
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