An analysis of 22,500 porn sites found that third-party tracking of users is rampant and privacy policies are difficult to understand. 93 percent of pages analyzed leaked user data to a third party, according to the research. Google s analytics and other services track 74 percent of sites, followed by Oracle (24 percent), Facebook (10 percent), Cloudflare and Yadro (7 percent each), and New Relic and Lotame (6 percent each) In the wrong hands, this could lead to harassment, or worse.
Source: https://threatpost.com/porn-sites-lack-privacy/146567/