Appfairness.org W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “site-navigation” was here.
The first occurrence of ID “primary-menu” was here.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Attribute “_animation":"fadein","_animation_delay":300}"” is not serializable as XML 1.0.
The first occurrence of ID “” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “navigation” role is unnecessary for element “nav”.
Errors:
CSS: Parse Error.
Duplicate ID “site-navigation”.
Duplicate ID “primary-menu”.
Attribute “loading” not allowed on element “img” at this point.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “_animation":"fadein","_animation_delay":300}"” not allowed on element “div” at this point.
Bad value “” for attribute “id” on element “article”: An ID must not be the empty string.
Duplicate ID “”.
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