We provide a public facing API that can answer lot'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.
We also calculate MozRank which is our version of Google'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.
We also calculate MozRank which is our version of Google'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.