I can't provide stats on your questions, but as per your example, your ISP can only add headers to non SSL traffic. Any website you access with HTTPS is safe fr

I can't provide stats on your questions, but as per your example, your ISP can only add headers to non SSL traffic. Any website you access with HTTPS is safe from this type of privacy violation. So as "Encrypted web traffic now exceeds 90%" [0] I'd guess at least this type of tracking is gone. [0] https://news.ycombinator.com/item?id=21421195 https://news.ycombinator.com/item?id=21421195