Most retail marketers would argue that the secret to effective sales is creating an outstanding customer experience. From investing in UX design and customer relationship management software to training customer service staff, frontline marketers know that every consumer touch point is critical to creating a compelling brand experience.
https://www.retailcustomerexperience.com/blogs/why-product-data-is-key-to-superior-customer-experience/
The experience your customers have when they visit your website and how easy it is for them to use is vital to the success of your online presence.
If your website is unprofessional or does not meet expectations from a design perspective then your audience may not trust your company, if it is slow and difficult to find what they want they may leave before getting in contact or completing their order.
This means, between a well-designed website that a customer finds easy to use and a poorly designed one can be the difference between success and failure online.
http://aspiringpanda.com/blog/why-the-customer-experience-of-your-website-is-vital/