Jostens.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:jcom” not allowed here.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “signout”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Attribute “margin-top” not allowed on element “img” at this point.
Attribute “max-width” not allowed on element “img” at this point.
The “center” element is obsolete. Use CSS instead.
Bad value “email address” for attribute “for” on element “label”: An ID must not contain whitespace.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Attribute with the local name “xmlns:jcom” is not serializable as XML 1.0.
The first occurrence of ID “signout” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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