We provide a public facing API that can answer lot&#x27;s of questions about URLs, FQDNs, and root domains. The example you gave is one of them. We calculate a large number of statistics about every URL, FQDN, and root domain that we know about on the web.<p>We also calculate MozRank which is our version of Google&#x27;s PageRank as well as some in house higher level metrics like PageAuthority and DomainAuthority which are machine learning models derived from all of the other metrics we compute.