Referring Domains — Definition & Meaning
What is Referring Domains?
Referring domains is the count of unique websites (root domains) that link to your site — different from total backlinks, because one site can link 100 times but only counts as one referring domain. It's the single strongest predictor of ranking in competitive SERPs.
Referring Domains — Definition & Meaning is part of LemRank, the rank intelligence platform for SEO agencies and in-house teams: daily rank tracking, SERP change detection, AI Overview and LLM visibility, competitor gap analysis, site audits and white-label client reporting.