Optkt.cn is tracked by us since April, 2022. Over the time it has been ranked as high as 31 555 in the world, while most of its traffic comes from China, where it reached as high as 3 890 position. All this time it was owned by 杭州外星喵教育科技有限公司, it was hosted by Alibaba (US) Technology Co. Ltd., China Internet Network Information Center and others.

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