Why and when should you collect feedback from your visitors? In general, there are four scenarios where website feedback is invaluable...
https://siteimprove.com/blog/why-and-when-you-should-collect-website-feedback/
It can be so easy to find yourself drooling over the prospect bringing in new customers. Unfortunately, this can mean that current and previous customers are overlooked.
http://www.toprankblog.com/2015/07/customer-feedback-marketing/
Before going out to get feedback it is important to determine what it is you’d like to know. Are you seeking information on your existing products and services and how these are being used? Do you want to review the problems, challenges and opportunities that your customers face? Are you planning new product development?
https://brainmates.com.au/how-to/how-to-get-customer-feedback-and-input-quickly-and-easily/