I never trust clients listed on a site unless I've personally spoken to the client. You never know if it's "we use it for all our traffic" or "we use it for one

I never trust clients listed on a site unless I've personally spoken to the client. You never know if it's "we use it for all our traffic" or "we use it for one tiny feature that's barely used and was made as a hackathon project a couple years back."