Certn.co is tracked by us since February, 2018. Over the time it has been ranked as high as 90 649 in the world, while most of its traffic comes from Canada, where it reached as high as 2 720 position. App.certn.co receives about 32.25% of its total traffic. It was owned by several entities, from Curtis Smith of CERTN HOLDINGS INC. to REDACTED FOR PRIVACY of Certn Holdings Inc, it was hosted by CloudFlare Inc..

App.certn has the lowest Google pagerank and bad results in terms of Yandex topical citation index. We found that App.certn.co is poorly ‘socialized’ in respect to any social network. According to Google safe browsing analytics, App.certn.co is quite a safe domain with no visitor reviews.