text/html
Enter some markup into the text box and click Sniff to see if it would be sniffed as HTML, Atom, RSS or RDF.
See Content-Type sniffing: feed or HTML
Markup: <rdf:RDF>test</rdf:RDF xmlns="http://purl.org/rss/1.0/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
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