Fixing a slow WooCommerce store
Depending on your hosting, the number of products, the amount of traffic you have and myriad other factors, you might notice that your WooCommerce store is not as fast as you would like.
WooCommerce themselves have published a blog post outlining a number of steps to take to speed up your slow loading WooCommerce shop.
Read it here: Why is My WooCommerce Site Slow? And How To Fix It
It's definitely worth a read especially if you are noticing your store pages lagging or are slow loading.