Farm Running Too Slow?
What can I do when the game is running slow and keeps on freezing?
Close other apps running in the background
Reload your browser's page by tapping on the F5 button or Command + R on your keyboard
Enable/Disable your browser's hardware acceleration (Firefox/Chrome)
Clear or optimize your browser's cache
Set the battery performance level to "High Performance" even when unplugged. This way, the FPS rate should not drop since the performance is still maintained. Note: Check this when the laptop is connected to the charger.