Q: How do I opt out of tracking cookies? A: The best way to do it is via the Network Advertising Initiative website. Press the "Select all" button and then press Submit. You browser will then receive opt-out cookies from all the major advertising companies including Google, Yahoo Ad Network and Microsoft Ads. You can opt out by going to the following URL: Network Advertising Initiative This will only be valid in the web browser your using, and your preference will only be saved until you clear your internet cookies in which case you will need to do it again.