Swboces.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
Bad value “” for attribute “tabindex” on element “button”: The empty string is not a valid integer.
Element “gcse:search” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “utf-6” for attribute “charset” on element “script”: “utf-6” is not a valid character encoding name.
Attribute value missing.
“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Bad value “” for attribute “tabindex” on element “li”: The empty string is not a valid integer.
Warnings:
Element name “gcse:search” cannot be represented as XML 1.0.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
The “contentinfo” role is unnecessary for element “footer”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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