The-cma.org 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”.
Duplicate attribute “content”.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “login”.
Duplicate ID “social”.
Duplicate ID “fooHomepage”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “login” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The first occurrence of ID “social” was here.
The first occurrence of ID “fooHomepage” was here.
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