Free proxies frequently go offline within minutes to hours. For production use, paid or dedicated proxies are strongly recommended. 5. Security & Risk Assessment | Risk | Severity | Description | |------|----------|-------------| | Man-in-the-Middle (MITM) | High | Proxy owners can log all traffic, including passwords. | | Malicious Injection | Medium | Some proxies inject ads or malware into HTML responses. | | Blacklisting | Medium | Many IPs are already banned by streaming, banking, or social media platforms. | | No Encryption | High | HTTP proxies transmit data in plaintext. |
| Metric | Value | |--------|-------| | | 31% (155 of 500) | | Average response time | 3.2 seconds (slow) | | Stable over 1 hour | 12% (60 of 500) | | Average uptime reported by ProxyScrape | 60–85% (often inflated vs. real-time) |