The purpose of that website is to showcase the achievements of women athletes, not the males who unfairly displaced them in competition. If you look up names and tournaments in your preferred search engine, you will be able to find the additional information you're interested in.
Also, Caster Semenya is male, with a male-only DSD. This is a fact that was confirmed in the IAAF arbitration proceedings. Semenya's higher levels of testosterone, when compared to female athletes, are due to the presence of functional internal testes. Semenya has since fathered children.