Nfpa.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “h2” at this point.
Attribute “false” not allowed on element “a” at this point.
Attribute “true” not allowed on element “a” at this point.
Duplicate ID “main-content”.
Bad value “http://www.nfpa.org/Training and Events/By type/Webinars/Webinars Fourth Needs Assessment of the US Fire Service” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Element “footer” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Warnings:
Empty heading.
Attribute “"” is not serializable as XML 1.0.
The first occurrence of ID “main-content” was here.
United States US