You can control and/or delete cookies as you wish – for details, see
aboutcookies.org. You can delete all cookies that are already on your computer and you can set most browsers to prevent them from being placed. If you do this, however, you may have to manually adjust some preferences every time you visit a site and some services and functionalities may not work.
You could also consider a site blocker, which is a plug-in or extension that sits in your browser and blocks certain elements, codes or cookies on websites that you visit. With that, you can set your preferences and have complete control over what you do or don't see and/or store on your computer.