Remekdabrowski.pl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “{” instead.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “g:plusone” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad element name “fb:like-box”: Code point “U+003A” is not allowed
Element “tbody” not allowed as child of element “table” in this context. (Suppressing further errors from this subtree.)
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 “img”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “fb-root”.
Warnings:
Element name “g:plusone” cannot be represented as XML 1.0.
Element name “fb:like-box” cannot be represented as XML 1.0.
The first occurrence of ID “fb-root” was here.
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