I do since a long time. At least 15 years. I was using an add-on for Firefox where I could control to which sites a page could connect. Some years ago this was

I do since a long time. At least 15 years. I was using an add-on for Firefox where I could control to which sites a page could connect. Some years ago this was a pretty good way for browsing ad-free and without being tracked because both relied on resources from external domains. Now, I’m using a DNS resolver that blocks these domains. It’s probably not as fine-grained but works across many devices.