Open Authority Rating

Top 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
#8,201	usra.edu	50
#8,202	spravedlivo.ru	52
#8,203	openalex.org	50
#8,204	cofc.edu	49
#8,205	uoc.edu	50
#8,206	groupme.com	50
#8,207	univision.com	51
#8,208	siu.edu	50
#8,209	ossec.net	49
#8,210	istoedinheiro.com.br	50
#8,211	littlespicejar.com	52
#8,212	rics.org	51
#8,213	tanium.com	51
#8,214	zerodha.com	50
#8,215	cultureamp.com	51
#8,216	spiedigitallibrary.org	50
#8,217	messefrankfurt.com	52
#8,218	kaist.ac.kr	51
#8,219	photoroom.com	50
#8,220	ntu.ac.uk	50
#8,221	ufpa.br	49
#8,222	churchofjesuschrist.org	51
#8,223	bungie.net	50
#8,224	thehartford.com	51
#8,225	manus.im	51
#8,226	tijd.be	50
#8,227	vocabulary.com	50
#8,228	1c.ru	51
#8,229	dataprot.net	50
#8,230	bitsdujour.com	49
#8,231	nativescript.org	51
#8,232	computershare.com	51
#8,233	gsmaintelligence.com	50
#8,234	cloudapp.net	50
#8,235	collectionscanada.ca	52
#8,236	sanjoseca.gov	50
#8,237	svd.se	52
#8,238	dundee.ac.uk	50
#8,239	kslaw.com	50
#8,240	notebooklm.google	51
#8,241	babel.ua	52
#8,242	podman.io	51
#8,243	terracycle.com	50
#8,244	erau.edu	50
#8,245	repost.aws	51
#8,246	careerwisecolorado.org	51
#8,247	coventry.ac.uk	50
#8,248	smu.edu	51
#8,249	tweakers.net	51
#8,250	defra.gov.uk	51
#8,251	brandeis.edu	51
#8,252	sidefx.com	49
#8,253	beckershospitalreview.com	52
#8,254	nullschool.net	51
#8,255	sdu.dk	51
#8,256	omnicommediagroup.com	51
#8,257	yesmagazine.org	50
#8,258	thebulwark.com	49
#8,259	lehigh.edu	51
#8,260	kohls.com	50
#8,261	scotiabank.com	50
#8,262	sandiego.gov	51
#8,263	wallpaper.com	51
#8,264	ascelibrary.org	50
#8,265	openx.com	52
#8,266	thinkprogress.org	50
#8,267	ultimate-guitar.com	49
#8,268	canarymedia.com	50
#8,269	wbs-law.de	56
#8,270	mitpressjournals.org	51
#8,271	backlog.com	49
#8,272	khou.com	50
#8,273	metacafe.com	50
#8,274	dyn.com	52
#8,275	no-ip.com	50
#8,276	wu.ac.at	50
#8,277	crayola.com	50
#8,278	firstinspires.org	51
#8,279	genbeta.com	49
#8,280	bio.link	51
#8,281	sltrib.com	51
#8,282	stltoday.com	51
#8,283	mandrillapp.com	50
#8,284	wits.ac.za	50
#8,285	algorithmia.com	52
#8,286	ihs.com	51
#8,287	iwm.org.uk	51
#8,288	ebony.com	50
#8,289	uidai.gov.in	51
#8,290	gold.ac.uk	50
#8,291	ryte.com	50
#8,292	unil.ch	51
#8,293	omnicalculator.com	50
#8,294	peeringdb.com	54
#8,295	lafayette.edu	49
#8,296	ceu.edu	50
#8,297	au.int	51
#8,298	lens.google	51
#8,299	unir.net	50
#8,300	eppo.int	52