1. Heuristic Evaluation of the existing website to detect problems. Deep evaluation considering the 10 Usability Heuristics by Jakob Nielsen, noting the severity and importance of each one of them.
**Check out the heuristic evaluation**.
2. Know roughly the domain field: General research about this area, what are the different treatments and services that appear in the website and what the business do.
3. Know the goals and the clients of the business. Creation of personas and storyboards.