For most eCommerce sites, a very small percentage of shoppers log in. By only allowing your logged in users to sign up for alerts, you are introducing significant friction. In fact, most shoppers will simply leave your store if forced to log in. We see a significant increase in customer engagement in sites that don’t hide features behind login. 

Back in Stock Alerts allows all your customers to sign up for alerts without any restrictions. It is as simple as entering their email address on the form for any out of stock product.