Ecocenter.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
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.
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.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “id-"mouko-salsa-action-message"” not allowed on element “div” at this point.
Attribute “datatype” not allowed on element “span” at this point.
Attribute “content” not allowed on element “span” at this point.
Attribute “hef” not allowed on element “a” at this point.
Stray start tag “script”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Attribute “id-"mouko-salsa-action-message"” is not serializable as XML 1.0.
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