Preceptaustin.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “revision” for attribute “rel” on element “link”: The string “revision” is not a registered keyword.
Attribute “about” not allowed on element “article” at this point.
Attribute “content” not allowed on element “span” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
Duplicate ID “searchbox”.
Duplicate ID “abbrev”.
Duplicate ID “w”.
Duplicate ID “go”.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The “article” role is unnecessary for element “article”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The first occurrence of ID “searchbox” was here.
The first occurrence of ID “abbrev” was here.
The first occurrence of ID “w” was here.
The “inputmode” attribute is not supported in all browsers. Please be sure to test, and consider using a polyfill.
The first occurrence of ID “go” was here.
United States US
