Isbe.net 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 “Expires” for attribute “http-equiv” on element “meta”.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Attribute “charset” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “content”, “itemprop”, “property”.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Attribute “ms-design-css-conversion” not allowed on element “link” at this point.
The text content of element “script” was not in the required format: Content contains a line starting with the character sequence “//” but not ending with a newline.
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.
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