Two validation methods speed up product development: A/B testing compares two variants to see which converts better, and usability testing confirms the solution actually works for your users. Both let you iterate fast instead of chasing perfection.
Chapters
In this ever-evolving world where the technology is changing every single day, every single month, do not wait for that final perfect product that you would want to launch into the market. Design fast, develop fast, test fast. Make sure that you can use functionalities and methods such as A/B testing and usability testing. A/B testing is simply designing two solutions and making sure that you fiddle around or change some specific aspect of that solution and then test it with your end users and actually measure which of the solution is doing best in terms of conversion ratio. For as an example, usability testing is all about validating the end solution with the target audience.