Close unused apps and browser tabs
Restart your device
Lower Roblox graphics quality
Switch to a less demanding game or server
Clear Roblox cache
Update Roblox to the latest version
Update your device drivers
Free up storage space on your device
Reduce background startup programs
Reinstall Roblox
Use a device with more RAM
Lower screen resolution
Disable overlays and recording tools
Check for overheating and let the device cool down
Run a malware scan
Increase virtual memory on Windows
Play on the Roblox app instead of a browser
Log out and back in to Roblox
Contact Roblox Support if the issue continues