At 360Netlab, we are continuously analyzing DNS traffic. At present, 0.2% of websites have web mining code embedded in their homepage. Pornographic related websites constitute the main body, accounting for 49% of the web mining market. The largest of them is coinhive.com, with 57% of share, followed by coin-hive.com, load.jsecoin.com and load.space.com. The market keeps growing, two boosts happened around 2017-10-10 and 2018-01.”]
Source: https://blog.netlab.360.com/who-is-stealing-my-power-web-mining-domains-measurement-via-dnsmon-en/