Boatshed.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Empty heading.
The “type” attribute is unnecessary for JavaScript resources.
This document appears to be written in English but the “html” start tag has an empty “lang” attribute. Consider using “lang="en"” (or variant) instead.
Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
CSS: “padding-inline-start”: Property “padding-inline-start” doesn't exist.
Bad character “ ” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.
Attribute “aria-selected” not allowed on element “a” at this point.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “title”.
Element “h6” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “rel”.
Bad value “155px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
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