Why is my download speed so bad, but my upload speed is so good?
Older or damaged cables (like Cat 5) can cause packet loss or limit speeds significantly. slow download fast upload ethernet
Over-optimized Quality of Service (QoS) settings on your router or aggressive third-party VPNs can throttle incoming data while leaving outgoing traffic untouched. Step-by-Step Troubleshooting Guide Why is my download speed so bad, but