You need to engage your visitors coming on your site by giving loyalty reward points which will increase repeat purchase and customer lifetime value. You can add a chatbot to make sure you never lose any of your customers. You can add web push notification which will help you to retarget your customers anytime even when they are not in your store. This will help you to run your store smoothly and decrease the bounce rate and will capture your visitors and convert them into prospective or paying customers.
If you would like to implement all these I would suggest you to install AiTrillion.com It has all the features in a single app and is a fully integrated app. It is all in one Shopify app. Plus you don't need to install multiple apps. You can check it out. I am sure you will find it useful.