Restart your modem and router
Use a wired Ethernet connection instead of Wi-Fi
Move closer to the router if using Wi-Fi
Close bandwidth-heavy apps and downloads
Pause cloud backups and automatic updates
Disconnect unused devices from the network
Check for ISP outages
Update router firmware
Update network adapter drivers
Change to a less congested Wi-Fi channel
Use the 5 GHz Wi-Fi band if available
Reduce interference from walls and other electronics
Disable VPNs or proxies
Select a game server closer to your location
Lower in-game network settings if available
Replace old or damaged Ethernet cables
Reset network settings on your device
Contact your internet service provider if the issue continues