Tpn.pl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Legacy doctype. Expected “<!DOCTYPE html>”.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “mój” not allowed on element “a” at this point.
Attribute “wolontariat""” not allowed on element “a” at this point.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Attribute “wolontariat""” is not serializable as XML 1.0.
The “contentinfo” role is unnecessary for element “footer”.
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