tvfrequency.tk uses the Google adsense advertising system. This system includes a DoubleClick DART cookie that is used by Google on ads that are served by publisher websites where AdSense for content ads are displayed.
Google uses third-party advertising companies to serve ads when it visits our website. These companies may use the information they receive from your visits to these sites and other websites (other than your name, address, e-mail address or telephone number) to show you the advertisement of products and services that are of interest to you. To learn more about this application and to know what your options are to prevent these information from being used by these companies, you can use the Appendix A of the NAI Self-Regulatory principles for publishers (PDF) for more information.