Super abstract question - ask ChatGPT. Credible websites are generally non-partisan not for profit organizations or government websites with the sole purpose of providing information/research.
Verifying the authenticity of the information found online is a way to trust information online. If you can’t vet a source of information, you should take any information from that source with a grain of salt.
Evaluating sources can come in many different forms. Try asking trusted people their opinion on said sources, or look them up online.