Open Authority Rating

Top .org 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
#4,099	thearcticinstitute.org	55
#4,101	thegreenwebfoundation.org	54
#4,107	pytorch.org	57
#4,128	urban.org	55
#4,133	audubon.org	54
#4,141	edf.org	53
#4,147	biorxiv.org	56
#4,149	surfrider.org	54
#4,156	michiganbusiness.org	53
#4,169	scirp.org	54
#4,171	earth.org	53
#4,176	sutterhealth.org	55
#4,177	wes.org	54
#4,179	nursingworld.org	55
#4,188	julialang.org	54
#4,190	netzpolitik.org	54
#4,191	openssf.org	55
#4,196	medrxiv.org	55
#4,197	panda.org	55
#4,199	cato.org	54
#4,200	ama-assn.org	56
#4,201	openldap.org	54
#4,212	aap.org	56
#4,218	podcastindex.org	53
#4,222	kauffman.org	53
#4,226	varnish-cache.org	54
#4,231	onetcenter.org	55
#4,248	undocs.org	55
#4,262	ashrae.org	54
#4,265	fidelitycharitable.org	54
#4,270	ifc.org	55
#4,280	apc.org	53
#4,282	khronos.org	55
#4,286	giac.org	53
#4,298	pen.org	54
#4,303	ap.org	56
#4,305	avma.org	55
#4,318	globalreporting.org	54
#4,328	ansi.org	55
#4,329	constitutioncenter.org	53
#4,333	php-fig.org	54
#4,335	iccwbo.org	55
#4,343	krita.org	53
#4,348	ember-climate.org	55
#4,362	tuxfamily.org	54
#4,371	openverse.org	52
#4,388	asean.org	53
#4,389	aom.org	53
#4,412	jmir.org	55
#4,417	dejure.org	56
#4,426	kqed.org	55
#4,431	slush.org	54
#4,432	uniswap.org	55
#4,439	frbsf.org	53
#4,442	apec.org	54
#4,454	norc.org	53
#4,457	cfainstitute.org	53
#4,463	uso.org	54
#4,464	g20.org	55
#4,466	kaiserpermanente.org	55
#4,505	iaea.org	55
#4,509	wfae.org	53
#4,521	maa.org	52
#4,528	chartjs.org	53
#4,529	olympic.org	54
#4,536	saferinternetday.org	55
#4,550	oscars.org	53
#4,551	guggenheim.org	53
#4,561	cert.org	56
#4,565	tvtropes.org	53
#4,575	isc.org	55
#4,586	repec.org	55
#4,594	hypotheses.org	53
#4,595	wttc.org	53
#4,598	nationalacademies.org	55
#4,608	walkerart.org	52
#4,609	pcre.org	54
#4,610	httpwg.org	54
#4,613	kdd.org	54
#4,615	openpgp.org	55
#4,639	uclahealth.org	53
#4,647	hl7.org	53
#4,648	cochrane.org	53
#4,655	rsc.org	56
#4,656	denvergov.org	53
#4,658	mises.org	52
#4,667	fsf.org	55
#4,669	ipify.org	53
#4,674	sourceware.org	55
#4,676	escholarship.org	55
#4,718	wada-ama.org	53
#4,724	yslow.org	53
#4,750	google.org	54
#4,752	godoc.org	55
#4,754	sierraclub.org	53
#4,757	britishcouncil.org	54
#4,762	feedingamerica.org	54
#4,771	squid-cache.org	53
#4,772	actionnetwork.org	54
#4,775	parceljs.org	56