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
#75	www.gov.uk	75
#144	ico.org.uk	73
#198	service.gov.uk	70
#334	ncsc.gov.uk	66
#613	manchester.ac.uk	63
#803	nhm.ac.uk	62
#815	ox.ac.uk	64
#843	bris.ac.uk	61
#992	nbn.org.uk	60
#1,000	parliament.uk	62
#1,022	cam.ac.uk	63
#1,064	uhi.ac.uk	60
#1,183	brc.ac.uk	59
#1,517	ucl.ac.uk	60
#1,548	southtees.nhs.uk	58
#1,591	ed.ac.uk	60
#1,642	saferinternet.org.uk	62
#1,725	themix.org.uk	61
#1,846	legislation.gov.uk	61
#1,898	blog.gov.uk	59
#1,964	youngminds.org.uk	61
#2,062	lse.ac.uk	59
#2,132	bl.uk	58
#2,152	tfl.gov.uk	58
#2,218	ofcom.org.uk	58
#2,232	ons.gov.uk	59
#2,275	gov.uk	56
#2,296	beateatingdisorders.org.uk	60
#2,400	kcl.ac.uk	58
#2,572	parentzone.org.uk	60
#2,694	nationalarchives.gov.uk	58
#2,708	www.nhs.uk	59
#2,729	diana-award.org.uk	60
#2,738	core.ac.uk	56
#2,769	st-andrews.ac.uk	57
#2,780	fca.org.uk	58
#2,814	redcross.org.uk	57
#3,008	nidirect.gov.uk	56
#3,285	greenend.org.uk	57
#3,307	alzheimers.org.uk	56
#3,354	metoffice.gov.uk	56
#3,360	parentkind.org.uk	59
#3,412	nominet.uk	57
#3,532	asa.org.uk	57
#3,551	digital.nhs.uk	56
#3,703	imperial.ac.uk	56
#3,758	kent.ac.uk	54
#3,760	mind.org.uk	56
#3,766	gla.ac.uk	56
#3,769	data.gov.uk	54
#3,783	vam.ac.uk	55
#3,952	sheffield.ac.uk	54
#4,044	iwf.org.uk	56
#4,047	open.ac.uk	54
#4,052	turing.ac.uk	54
#4,071	soton.ac.uk	54
#4,073	stfc.ac.uk	55
#4,339	arts.ac.uk	53
#4,384	swansea.ac.uk	53
#4,402	abilitynet.org.uk	55
#4,414	museumoflondon.org.uk	55
#4,447	royalholloway.ac.uk	53
#4,490	hmrc.gov.uk	53
#4,493	cardiff.ac.uk	54
#4,597	warwick.ac.uk	55
#4,644	ic.ac.uk	53
#4,661	ebi.ac.uk	56
#4,707	leeds.ac.uk	54
#4,822	nesta.org.uk	53
#4,911	bfi.org.uk	53
#4,913	nottingham.ac.uk	53
#4,955	shef.ac.uk	52
#4,982	york.ac.uk	54
#5,003	tate.org.uk	54
#5,120	port.ac.uk	53
#5,180	rhul.ac.uk	53
#5,213	england.nhs.uk	55
#5,214	bristol.ac.uk	53
#5,218	unicef.org.uk	53
#5,220	bangor.ac.uk	52
#5,223	exeter.ac.uk	53
#5,269	nationaltrust.org.uk	54
#5,363	reading.ac.uk	53
#5,384	bps.org.uk	52
#5,435	mentalhealth.org.uk	55
#5,447	jisc.ac.uk	54
#5,491	southampton.ac.uk	54
#5,506	qmul.ac.uk	54
#5,519	london.gov.uk	54
#5,652	birmingham.ac.uk	53
#5,769	citizensadvice.org.uk	55
#5,815	lancaster.ac.uk	52
#5,874	wlv.ac.uk	51
#5,954	lincoln.ac.uk	51
#5,980	bath.ac.uk	52
#5,994	sussex.ac.uk	52
#6,057	lboro.ac.uk	52
#6,061	surrey.ac.uk	52
#6,208	royal.uk	52
#6,288	bma.org.uk	51