[b]"What’s the Best Way to Set Up an IPv4 Proxy for Reliable Connections?"[/b] or [b]"How Do IPv4 Proxies Compare

Mixing both ipv4 and IPv6 proxies can work, but if you’re new, just stick with ipv4. Less headache.

I use Shifter—their ipv4 proxies are solid, and their support actually helps if you run into issues.