Identity, title, and roles are verified for each reference. The credibility of the reference provider matters, such as their scope, tenure, and how other people have reviewed the provider give coloring.
Rigorous, detailed references that the employee prepares way in advance, usually as part of their performance review cycle. More detail, examples, and insights into the candidate.
Move quickly on quality candidates without getting held up in the reference check process because all the references are already available with rich text and even video recorded references.