Allinonehighschool.com W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Warnings:
The “navigation” role is unnecessary for element “nav”.
The “banner” role is unnecessary for element “header”.
The “main” role is unnecessary for element “main”.
The “contentinfo” role is unnecessary for element “footer”.
The first occurrence of ID “_wpnonce” was here.
Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “aside” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Duplicate ID “_wpnonce”.
The “aria-controls” attribute must point to an element in the same document.
United States US
