Wnbl.com.au W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
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 “cleartype” for attribute “http-equiv” on element “meta”.
Bad value “” for attribute “media” on element “link”: Media query ended prematurely.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
No space between attributes.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Duplicate ID “Layer_2”.
Duplicate ID “Layer_3”.
Text not allowed in element “iframe” in this context.
The “aria-controls” attribute must point to an element in the same document.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “Layer_2” was here.
The first occurrence of ID “Layer_3” was here.
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