What is the richest website in the world?

Can you elaborate on what constitutes the "richest" website in the world? Are we talking about the one with the highest market valuation, such as a social media giant or e-commerce platform? Or is it based on the revenue it generates annually? Perhaps it's the website with the largest number of users or the one that holds the most cryptocurrency assets. It would be helpful to have a clearer definition of "richest" to accurately answer this question.