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
#4,791	icannwiki.org	53
#4,804	opendatacommons.org	54
#4,806	nul.org	54
#4,810	adblockplus.org	53
#4,817	oxfordjournals.org	55
#4,824	geojson.org	55
#4,835	ipython.org	53
#4,856	markdownguide.org	54
#4,864	postfix.org	53
#4,873	aa.org	53
#4,875	faqs.org	54
#4,877	msf.org	53
#4,894	careeronestop.org	54
#4,903	neefusa.org	53
#4,904	bigbluebutton.org	52
#4,905	cocodataset.org	53
#4,926	prlog.org	53
#4,944	iucn.org	54
#4,946	avam.org	54
#4,951	amnh.org	53
#4,962	mhanational.org	55
#4,984	buddypress.org	52
#4,988	gs1us.org	54
#4,989	kresge.org	53
#4,994	inaturalist.org	54
#5,000	fordfoundation.org	52
#5,006	epo.org	53
#5,028	pri.org	52
#5,049	trust.org	53
#5,055	lesbianswhotech.org	55
#5,058	dublincore.org	55
#5,059	p5js.org	52
#5,067	restaurant.org	53
#5,098	httpbin.org	53
#5,099	collegeboard.org	56
#5,100	childrenshospital.org	52
#5,108	broadinstitute.org	54
#5,124	kcur.org	52
#5,137	ccianet.org	53
#5,138	modsecurity.org	53
#5,142	britishmuseum.org	53
#5,143	nationalskillscoalition.org	53
#5,153	ccalliance.org	54
#5,161	chalkbeat.org	52
#5,165	aip.org	55
#5,176	clevelandart.org	51
#5,181	nrdc.org	54
#5,187	anitaborg.org	53
#5,191	aha.org	54
#5,196	ahajournals.org	55
#5,204	asq.org	52
#5,208	truthout.org	52
#5,211	naacp.org	54
#5,225	theiia.org	52
#5,232	jci.org	52
#5,243	nokidhungry.org	52
#5,249	jmlr.org	53
#5,250	chicagomanualofstyle.org	52
#5,251	laconservancy.org	54
#5,252	prb.org	52
#5,256	nsc.org	54
#5,285	bitcointalk.org	52
#5,288	seasteading.org	53
#5,295	lean.org	52
#5,296	habitat.org	53
#5,308	openjdk.org	55
#5,317	jpn.org	52
#5,318	annualreviews.org	54
#5,333	freelancersunion.org	52
#5,341	samba.org	55
#5,356	tldp.org	54
#5,380	astm.org	54
#5,382	elinux.org	52
#5,409	paris2024.org	52
#5,423	mathjax.org	55
#5,436	himss.org	52
#5,437	vote.org	54
#5,442	ewg.org	53
#5,484	whyy.org	52
#5,509	carbonbrief.org	52
#5,512	benevity.org	53
#5,515	sandiegozoo.org	52
#5,523	nea.org	53
#5,524	suicidepreventionlifeline.org	55
#5,527	pbslearningmedia.org	52
#5,530	copernicus.org	54
#5,531	eib.org	53
#5,549	azattyq.org	54
#5,554	mskcc.org	52
#5,558	piwik.org	53
#5,560	insightcrime.org	52
#5,565	graphviz.org	55
#5,571	thebulletin.org	52
#5,575	iii.org	53
#5,590	worldvision.org	51
#5,591	wnycstudios.org	52
#5,593	wellcomecollection.org	52
#5,595	aspeninstitute.org	54
#5,607	aspca.org	54
#5,610	openstax.org	52