Lighthousetrailsresearch.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “https://www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
Attribute “https-equiv” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “http-equiv”, “itemprop”, “name”, “property”.
“"” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Bad value “UTF-8"” for attribute “charset” on element “meta”: Value contained “"”, which is not a valid character in an encoding name.
Element “br” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
The “center” element is obsolete. Use CSS instead.
The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.
Element “center” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
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