“A new study found that 91% of health-related web pages reveal potentially sensitive information to third parties like data brokers and online advertisers.(…)
To conduct the study, University of Pennsylvania PhD student Timothy Libert analyzed the top 50 search results for 1,986 common diseases, some 80,000 web pages. He found that on 91% of the pages, third parties like social networks, advertisers, and data brokers could access information about who was viewing the page, like the user’s IP address. On 70% of the pages, those third parties could see information about specific “conditions, treatments and diseases” viewed.
Altogether, 78% of the health-related web pages sent information about you to Google, 31% sent information to Facebook, and 5% sent information to Experian, a credit bureau and data broker”