Restart your laptop regularly
Close unused apps and browser tabs
Disable startup programs you do not need
Uninstall software you never use
Update your operating system
Update your drivers
Run a malware scan
Free up disk space
Delete temporary files
Move large files to external storage or cloud storage
Use an SSD instead of an HDD
Add more RAM if possible
Keep your laptop cool and dust-free
Reduce visual effects and animations
Set power mode to High Performance
Keep your browser extensions to a minimum
Clear browser cache
Check for background processes using too much CPU or memory
Defragment only if you use an HDD
Reinstall the operating system if performance is still poor