Open Authority Rating
Top .uk domains
From the cc-main-2026-aug-sep-oct release (134,979,706 ranked domains). Ordered by harmonic-centrality rank, OAR’s primary input — two OAR integers can tie or invert slightly through the PageRank component.
| HC rank | Domain | OAR |
|---|
| #16,389 | geolsoc.org.uk | 46 |
| #16,462 | ukdataservice.ac.uk | 47 |
| #16,474 | prospects.ac.uk | 47 |
| #16,490 | norfolk.gov.uk | 47 |
| #16,528 | archaeologydataservice.ac.uk | 46 |
| #16,593 | victimsupport.org.uk | 48 |
| #16,640 | british-history.ac.uk | 46 |
| #16,686 | birmingham.gov.uk | 47 |
| #16,882 | fcdo.gov.uk | 47 |
| #16,986 | wbs.ac.uk | 46 |
| #17,016 | darwin-online.org.uk | 46 |
| #17,048 | wiltshire.gov.uk | 46 |
| #17,067 | liverpoolmuseums.org.uk | 46 |
| #17,157 | rcplondon.ac.uk | 47 |
| #17,162 | scotland.police.uk | 47 |
| #17,194 | nms.ac.uk | 46 |
| #17,284 | hlf.org.uk | 46 |
| #17,286 | rspca.org.uk | 48 |
| #17,381 | history.ac.uk | 46 |
| #17,408 | hutton.ac.uk | 46 |
| #17,417 | dcc.ac.uk | 46 |
| #17,421 | ravensbourne.ac.uk | 45 |
| #17,430 | cardiffmet.ac.uk | 46 |
| #17,666 | ras.org.uk | 44 |
| #17,671 | mhra.gov.uk | 47 |
| #17,683 | rya.org.uk | 46 |
| #17,739 | charitybase.uk | 49 |
| #17,769 | lsbu.ac.uk | 46 |
| #18,117 | cser.ac.uk | 44 |
| #18,141 | hackney.gov.uk | 46 |
| #18,143 | alcoholchange.org.uk | 46 |
| #18,154 | geograph.org.uk | 47 |
| #18,237 | ex.ac.uk | 46 |
| #18,290 | anti-bullyingalliance.org.uk | 47 |
| #18,345 | poetrysociety.org.uk | 45 |
| #18,424 | scouts.org.uk | 47 |
| #18,462 | rl.ac.uk | 46 |
| #18,483 | ref.ac.uk | 46 |
| #18,526 | canalrivertrust.org.uk | 46 |
| #18,711 | leverhulme.ac.uk | 45 |
| #18,851 | royalacademy.org.uk | 46 |
| #18,895 | shelter.org.uk | 47 |
| #18,940 | teachingenglish.org.uk | 46 |
| #19,068 | edgehill.ac.uk | 45 |
| #19,179 | rse.org.uk | 45 |
| #19,292 | henley.ac.uk | 45 |
| #19,368 | epsrc.ac.uk | 46 |
| #19,389 | uhs.nhs.uk | 45 |
| #19,473 | guysandstthomas.nhs.uk | 46 |
| #19,509 | scotland.gov.uk | 47 |
| #19,540 | nhsx.nhs.uk | 45 |
| #19,541 | worc.ac.uk | 44 |
| #19,550 | ofsted.gov.uk | 48 |
| #19,623 | swan.ac.uk | 45 |
| #19,730 | northampton.ac.uk | 45 |
| #19,732 | oscr.org.uk | 47 |
| #19,797 | chi.ac.uk | 45 |
| #19,938 | wes.org.uk | 45 |
| #19,971 | portsmouth.gov.uk | 45 |
| #20,078 | tht.org.uk | 45 |
| #20,177 | nott.ac.uk | 45 |
| #20,220 | essex.gov.uk | 46 |
| #20,307 | lewisham.gov.uk | 45 |
| #20,380 | britishcycling.org.uk | 46 |
| #20,400 | rgu.ac.uk | 45 |
| #20,415 | mastodon.me.uk | 44 |
| #20,422 | ncdv.org.uk | 44 |
| #20,451 | hertfordshire.gov.uk | 46 |
| #20,471 | dec.org.uk | 45 |
| #20,555 | kingsfund.org.uk | 46 |
| #20,635 | edina.ac.uk | 45 |
| #20,639 | policyexchange.org.uk | 46 |
| #20,695 | acss.org.uk | 44 |
| #20,776 | englishchess.org.uk | 44 |
| #20,794 | charitydigital.org.uk | 45 |
| #20,944 | ucu.org.uk | 46 |
| #21,137 | eani.org.uk | 46 |
| #21,174 | culture24.org.uk | 44 |
| #21,198 | gchq.gov.uk | 45 |
| #21,265 | newton.ac.uk | 45 |
| #21,311 | nationaldahelpline.org.uk | 46 |
| #21,312 | winchester.ac.uk | 44 |
| #21,391 | rothamsted.ac.uk | 44 |
| #21,465 | bricup.org.uk | 42 |
| #21,471 | beds.ac.uk | 45 |
| #21,548 | newport.gov.uk | 44 |
| #21,590 | yorksj.ac.uk | 45 |
| #21,600 | college.police.uk | 45 |
| #21,707 | abertay.ac.uk | 44 |
| #21,790 | roe.ac.uk | 44 |
| #21,799 | westnorthants.gov.uk | 44 |
| #21,809 | moorfields.nhs.uk | 44 |
| #21,861 | niassembly.gov.uk | 45 |
| #21,879 | southwark.gov.uk | 45 |
| #22,074 | ihv.org.uk | 44 |
| #22,076 | labour.org.uk | 46 |
| #22,125 | niesr.ac.uk | 45 |
| #22,182 | uca.ac.uk | 44 |
| #22,198 | counselling-directory.org.uk | 47 |
| #22,284 | salvationarmy.org.uk | 45 |