Teachersdiscovery.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Bad value ““text/javascript”” for attribute “type” on element “script”: Expected a token character but saw ““” instead.
“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Bad start tag in “img” in “head”.
Bad value ““1”” for attribute “height” on element “img”: Expected a digit but saw ““” instead.
Bad value ““1”” for attribute “width” on element “img”: Expected a digit but saw ““” instead.
Attribute “display:none;“” not allowed on element “img” at this point.
Stray end tag “noscript”.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Attribute “display:none;“” is not serializable as XML 1.0.”
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