Cvtips.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “CACHE-CONTROL” for attribute “http-equiv” on element “meta”.
Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.
Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.
Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
The “charset” attribute on the “link” element is obsolete. Use an HTTP Content-Type header on the linked resource instead.
Element “input” is missing required attribute “alt”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “cse-search-box”.
Duplicate ID “inputString”.
Duplicate ID “submit”.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Empty heading.
The first occurrence of ID “cse-search-box” was here.
The first occurrence of ID “inputString” was here.
The first occurrence of ID “submit” was here.
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