Usability is critical for a website’s success, but it can be difficult to nail down in early design and development stages without a little help. It’s not as though the research and preparation you do for a new site won’t give you insights on how to build something that’s both beautiful and functional. And having a rock-solid design system and designer-developer handoff will certainly help you bring quality control and consistency to your site.

https://www.smashingmagazine.com/2020/03/indigo-design-usability-testing-guesswork-web-design/