Indomiliter.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate ID “third-thumbnail”.
Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Attribute “_lpchecked” not allowed on element “form” 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.
Duplicate ID “footer-thumbnail”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “third-thumbnail” was here.
The first occurrence of ID “footer-thumbnail” was here.
This document appears to be written in Indonesian but the “html” start tag has “lang="en-US"”. Consider using “lang="id"” (or variant) instead.
Indonesia ID