https://1.1.1.1/

From CloudFlare. This is not an April Fool's joke (i don't think). Setup instructions are at the link. There's nothing to actually install.

This should keep ISPs from snooping on your online activites and should make it very difficult for them to throttle speeds based on favoritism. DNSPerf, which performs worldwide speed tests on all DNS providers every minute has ranked this as the fastest DNS lookup provider in the world.

And free.

Also prevents ad-targeting and DNS's/ISP's from being able to profit off of your viewing habits.