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
#10	gmpg.org	88
#15	wikipedia.org	84
#21	wordpress.org	84
#35	mozilla.org	80
#44	w3.org	79
#57	creativecommons.org	78
#58	archive.org	77
#70	apache.org	77
#72	doi.org	76
#80	wikimedia.org	75
#86	npr.org	74
#88	ietf.org	75
#97	un.org	74
#113	arxiv.org	73
#120	schema.org	74
#122	iso.org	73
#137	worldbank.org	71
#146	frontiersin.org	71
#152	python.org	72
#160	chromium.org	71
#161	ampproject.org	73
#175	iana.org	73
#180	acm.org	73
#185	imf.org	69
#189	rfc-editor.org	70
#192	cambridge.org	70
#203	pypi.org	70
#214	pbs.org	69
#221	postgresql.org	69
#223	w.org	74
#241	ohchr.org	70
#247	science.org	68
#248	pewresearch.org	70
#250	ieee.org	69
#259	debian.org	69
#260	nber.org	68
#282	opensource.org	69
#285	semanticscholar.org	67
#288	jstor.org	68
#290	clevelandclinic.org	68
#297	wiktionary.org	67
#310	semver.org	68
#320	iea.org	67
#322	bbb.org	69
#323	telegram.org	68
#327	hbr.org	69
#332	kernel.org	67
#342	networkadvertising.org	69
#344	weforum.org	68
#348	rand.org	66
#375	d3js.org	67
#378	change.org	67
#397	phys.org	65
#402	unicef.org	68
#404	edx.org	65
#428	nodejs.org	68
#435	propublica.org	65
#436	wikiquote.org	64
#450	eclipse.org	65
#461	wikibooks.org	65
#468	hrw.org	65
#491	r-project.org	65
#495	wikidata.org	64
#501	royalsocietypublishing.org	64
#513	owasp.org	66
#514	mediawiki.org	66
#516	edweek.org	64
#526	guidestar.org	65
#529	oecd.org	66
#530	wikimediafoundation.org	64
#559	amnestyusa.org	63
#563	gnu.org	67
#564	vim.org	63
#569	oclc.org	64
#574	rferl.org	63
#575	poynter.org	64
#581	rsf.org	64
#591	archlinux.org	64
#597	heart.org	64
#598	wikisource.org	63
#601	bitbucket.org	65
#612	openstack.org	63
#616	newyorkfed.org	63
#619	newamerica.org	64
#627	elasticsearch.org	63
#644	icann.org	67
#648	gnupg.org	64
#650	eurasianet.org	62
#655	dreamwidth.org	63
#686	neocities.org	63
#687	sil.org	64
#688	thetrevorproject.org	66
#703	wilsoncenter.org	62
#706	apa.org	65
#714	ets.org	62
#716	worldcat.org	63
#723	khanacademy.org	63
#724	js.org	65
#730	civicus.org	62
#740	letsencrypt.org	64