: Free public proxies typically suffer from high latency. Tools like ipv6-test.com and test-ipv6.com can help verify if your connection through these IPs is stable, though results may be inconsistent.

: Security experts warn that free lists can be "honeypots" or "traps" designed to log user traffic or inject malicious data.

: They serve as a "sandbox" for developers to practice rotation logic and multi-protocol handling without financial risk. Risks and Security Concerns