Glossary
Definitions of the terms used in Rankfield's API answers: Site Strength, referring domain, observations, release and more.
| Term | Meaning |
|---|---|
| Site Strength | A 0–100 score of a domain's link evidence in the Rankfield web graph. See How Site Strength works. |
| Referring domain | A distinct domain observed linking to the domain you ask about. |
| Outbound domain | A distinct domain the site links to. |
topReferrers | Up to 20 referring domains, strongest first. Not a complete list: use List All Referring Domains. |
observations | 1 marks one domain-to-domain link in the graph. Not a count of pages or backlinks. |
| Release | One build of the web graph, named like 2026-may-jun-jul. Answers say which one they come from. |
null | The value is unknown or unavailable. Not zero. |
inGraph | false (with zeros) when the domain isn't in our link graph yet; absent otherwise. A malformed domain gets 400. |
| Cursor | An opaque token for the next page of a list. Tied to the list's filters and release. |