How to check if a site is trusted or not?

When navigating the vast landscape of online cryptocurrency exchanges and financial platforms, it's crucial to ensure that the sites you're engaging with are trustworthy. So, how can one go about checking the authenticity and reliability of a website? What are some key indicators or steps to take to verify a site's credibility? Is there a standard checklist or set of practices that experts recommend when assessing the trustworthiness of a financial or cryptocurrency-related site? Additionally, how important is it to research user reviews and ratings, and how can one distinguish genuine feedback from potential scams or false information? Ultimately, what measures can we take to protect ourselves from falling victim to fraudulent or untrustworthy sites in the cryptocurrency and finance space?