sor.org Backlinks Profile
scan complete · 3msComplete backlink analysis for sor.org: Domain Rating, referring domains, and top referrers — all from real Common Crawl data.
Domain rating
0–100 authority score
Referring domains
395
unique sites linking to sor.org
Authority rank
#14,251,357
global position in Common Crawl index
Harmonic centrality
12,905,377
raw graph-theoretic score (higher = more central)
PageRank position
#40,729,747
classical PageRank ranking (Google's original signal)
What we measure
Authority signals
Domain Rating computed from the Common Crawl harmonic centrality index — 10B+ links analyzed.
Network breadth
Referring domains = the number of unique websites that link to sor.org, the metric SEOs trust most.
Honest data
We show only what we can measure exactly from the public web graph. No fake "estimated" multipliers.
Top referring domains
Showing 10 of 395 · ranked by authority
#1blogspot.comDR 93→#2pixnet.netDR 68→#3uk.comDR 64→#4harvard.eduDR 56→#5cam.ac.ukDR 50→#6transistor.fmDR 50→#7nih.govDR 49→#8ed.ac.ukDR 48→#9iu.eduDR 48→#10wikipedia.orgDR 46→
Showing top 10 of 395 total. Upgrade for top 100 + CSV export →
// upgrade
Get unlimited backlink checks
Bulk lookups up to 1,000 domains. Full referring domains data. CSV/PDF/API exports. Cancel anytime.
Starter
$29/mo
Solo SEOs · 100 domains/bulk
Choose Starter →
Best valuePro
$99/mo
Agencies · 1,000 domains/bulk · API
Choose Pro →
Secure payment via Stripe · Cancel anytime · Compare full plans