I think a couple of ICMP requests from a tiny subset of all internet users every now and then isn't too much strain, but if you want to lighten the load you can

I think a couple of ICMP requests from a tiny subset of all internet users every now and then isn't too much strain, but if you want to lighten the load you can try alternating between Google's 8.8.8.8 and Cloudflare's 1.1.1.1 :)