Goriau.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “https://www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
Bad start tag in “img” in “head”.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
The “align” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “_adop_zon” not allowed on element “ins” at this point.
Attribute “_adop_type” not allowed on element “ins” at this point.
Attribute “_page_url” not allowed on element “ins” at this point.
Bad value “javascript:void();” for attribute “href” on element “a”: syntax error
No space between attributes.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
This document appears to be written in Indonesian. Consider adding “lang="id"” (or variant) to the “html” start tag.
Indonesia ID