Cdt.ch W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:fb” not allowed here.
Attribute “xmlns:og” not allowed here.
Bad value “application/rss+xml” for attribute “media” on element “link”: Expected a letter, hyphen or whitespace but saw “/” instead.
The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.
Bad value “300;URL='https://www.cdt.ch?refresh=true” for attribute “content” on element “meta”: Expected a space character, but saw “U” instead.
Duplicate ID “gbadtag”.
Bad start tag in “img” in “head”.
Stray end tag “noscript”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
The first occurrence of ID “gbadtag” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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