Plk.pl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “ETag” for attribute “http-equiv” on element “meta”.
Bad value “https://fonts.googleapis.com/css?family=Open+Sans:400,800,700,600,300|Open+Sans+Condensed:300,700&subset=latin,latin-ext” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
No “li” element in scope but a “li” end tag seen.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Bad value “no” for attribute “autocomplete” on element “input”: The string “no” is not a valid autofill field name.
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 “main” role is unnecessary for element “main”.
Empty heading.
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