Restart your laptop regularly
Close unused programs and browser tabs
Uninstall apps you do not use
Disable unnecessary startup programs
Update your operating system
Update device drivers
Run a malware scan
Free up disk space
Delete temporary files
Use a lighter browser
Reduce browser extensions
Lower visual effects and animations
Set power mode to high performance
Keep your laptop cool
Clean dust from vents and fans
Defragment a hard drive if you use one
Upgrade to an SSD
Add more RAM
Replace an aging battery if performance is throttled
Reinstall the operating system if needed