How do I fix lag spikes on Rocket League?

How do I fix lag spikes on Rocket League?
Other Tips For Fixing Lag Spikes in Rocket League

Restart your router to improve the connection.
Delete the Rocket League cache.
Disconnect other devices from the network to improve connection performance.
Add an exception to Windows Firewall to ensure your computer can connect properly.
Enable Port Forwarding.

Other Tips For Fixing Lag Spikes in Rocket League
  1. Restart your router to improve the connection.
  2. Delete the Rocket League cache.
  3. Disconnect other devices from the network to improve connection performance.
  4. Add an exception to Windows Firewall to ensure your computer can connect properly.
  5. Enable Port Forwarding.