Brewery „Zum Schlüssel“, Düsseldorf is the trademark in Germany founded in 1850.
According to PR-model, zumschluessel.de is ranked 725,032nd in multilingual Wikipedia, in particular this website is ranked 81,433rd in French Wikipedia.
The website is placed before sunkistkids.org and after mellon.com in the BestRef global ranking of the most important sources of Wikipedia.