Karyakarsa.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “meta” is missing one or more of the following attributes: “charset”, “content”, “http-equiv”, “itemprop”, “name”, “property”.
Attribute “language” not allowed on element “meta” at this point.
Attribute “key” not allowed on element “meta” at this point.
Attribute “twitter:id” not allowed on element “meta” at this point.
CSS: Parse Error.
Element “img” is missing required attribute “src”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate attribute “data-v-48f3e4e4”.
Attribute “mode” not allowed on element “span” at this point.
Warnings:
Attribute “twitter:id” is not serializable as XML 1.0.
This document appears to be written in Indonesian. Consider adding “lang="id"” (or variant) to the “html” start tag.
Indonesia ID