Le site c3tag.com est-il sûr ?

I prefer not to be tracked, and I don't feel I should have to go out of my way do have it so; so I choose to block them altogether. Per their web site: "This is a domain used by C3 Metrics. C3 Metrics offers advertisers, agencies, and advertising networks analytical tools that enable our business customers to better understand advertising campaign performance and consumer behavior in connection with ad campaigns and activities undertaken on their behalf. We do not collect or use personally identifiable information such as your name, address, phone number, e-mail address, social security number, credit card information, or similar information that we can use to personally identify you. We do not collect Sensitive Consumer Information, such as financial account numbers, or information about medical conditions. Privacy Controls We Provide to You You can opt-out of C3 Metrics data collection for our customers through two ways: Block All Cookies: Block all cookies by disabling cookie use in your browser. This may cause some websites to work incorrectly. C3 Metrics Opt Out Cookie: Opt out by accepting a cookie which tells the C3 Metrics system not to uniquely track your web browsing. Click here to opt-out now (and accept our opt-out cookie). If you change computers or browsers, or use multiple computers or browsers or delete your cookies, you will need to repeat this process for each computer and in each browser. It is very important that you review the respective privacy policy of each website that you visit, because such privacy policies govern the use of information on those websites."