Failure to get returning customers can lead to destroy your customer base but also google rankings as customers and google itself are less likely to recommend your business to others through page rankings are other marketing stuff. It is important to focus on providing excellent web user experience, customer service, offering quality products or services, and engaging with customers through various channels to encourage repeat business. Additionally, implementing a loyalty program or offering special promotions can help incentivize customers to return. Regularly monitoring customer feedback and addressing any issues promptly can also help improve customer retention.