What factors can slow down residential proxy performance?

Several factors can slow down residential proxy performance, including:

High Latency: Caused by distant proxy locations.
Overloaded Proxy Servers: Too many users sharing the same proxy.
ISP Throttling: The internet connection of the device hosting the IP.
Website Restrictions: Strict anti-bot measures on the target site.
Insufficient Bandwidth: Limited data plans from the proxy provider.