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
#5,621	nurse.org	53
#5,629	us.org	53
#5,641	acgov.org	51
#5,644	europepmc.org	54
#5,645	crossref.org	54
#5,648	ballotpedia.org	53
#5,682	preprints.org	51
#5,683	nsf.org	53
#5,692	slobodnaevropa.org	54
#5,698	frontlinedefenders.org	52
#5,700	swi-prolog.org	54
#5,703	ada.org	54
#5,704	theiet.org	52
#5,705	naic.org	53
#5,711	cepa.org	54
#5,717	discoverlife.org	53
#5,726	oyez.org	52
#5,727	procon.org	50
#5,728	aaos.org	54
#5,738	fosdem.org	54
#5,741	ubuntuforums.org	52
#5,747	brainpickings.org	52
#5,757	arborday.org	52
#5,778	fsc.org	55
#5,784	newsecuritybeat.org	53
#5,794	jamstack.org	54
#5,819	riot-os.org	53
#5,821	project-syndicate.org	52
#5,834	labiennale.org	52
#5,840	imd.org	52
#5,841	rhizome.org	51
#5,842	blueletterbible.org	52
#5,846	opendev.org	54
#5,864	sloan.org	51
#5,882	familysearch.org	54
#5,897	iosco.org	54
#5,901	sunbiz.org	51
#5,905	lacity.org	52
#5,919	eonetwork.org	51
#5,923	jw.org	51
#5,939	pgadmin.org	52
#5,945	theparisreview.org	51
#5,949	cjr.org	52
#5,956	positivecoach.org	52
#5,971	hiringourheroes.org	53
#5,995	nycgovparks.org	51
#6,000	pedaids.org	52
#6,001	w3id.org	54
#6,014	lung.org	53
#6,017	transequality.org	54
#6,022	jneurosci.org	52
#6,024	fontlibrary.org	54
#6,026	ncee.org	53
#6,037	chabad.org	51
#6,040	scitation.org	52
#6,042	gemconsortium.org	51
#6,049	acog.org	53
#6,054	gobiernodecanarias.org	52
#6,073	haproxy.org	54
#6,075	charter97.org	53
#6,083	ndss-symposium.org	52
#6,090	putty.org	54
#6,114	ctrlq.org	50
#6,120	zaproxy.org	51
#6,121	thisamericanlife.org	52
#6,123	webcomponents.org	52
#6,124	pubpub.org	52
#6,129	cites.org	52
#6,130	brilliant.org	52
#6,136	zooniverse.org	52
#6,138	americamagazine.org	51
#6,144	intgovforum.org	52
#6,145	xiph.org	55
#6,148	marxists.org	51
#6,150	nfpa.org	54
#6,157	gradle.org	54
#6,186	erudit.org	51
#6,190	f-droid.org	53
#6,193	musopen.org	50
#6,194	ntp.org	52
#6,196	4chan.org	52
#6,205	woundedwarriorproject.org	52
#6,216	eso.org	52
#6,232	aacn.org	52
#6,248	sundance.org	52
#6,257	fullfact.org	51
#6,261	globalvoices.org	52
#6,279	leo.org	52
#6,289	wgbh.org	52
#6,294	texastribune.org	52
#6,295	alpinelinux.org	52
#6,300	acefitness.org	51
#6,302	sciencenews.org	52
#6,303	marinespecies.org	53
#6,304	weblate.org	53
#6,312	aphapublications.org	53
#6,314	factcheck.org	52
#6,317	ametsoc.org	52
#6,341	physiology.org	52
#6,353	moveon.org	50