Tssznews.com W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “rel” not allowed on element “ul” at this point.
Duplicate ID “s”.
Duplicate attribute “data-url”.
The “center” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The first occurrence of ID “s” was here.
Belgium BE