Open Authority Rating

Top .io 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
#32,973	lettuce.io	43
#32,995	jogl.io	42
#33,019	addrevenue.io	44
#33,067	artifacthub.io	46
#33,137	ente.io	43
#33,141	bokun.io	45
#33,227	stamped.io	48
#33,324	px4.io	42
#33,343	valkey.io	45
#33,362	gdevelop.io	43
#33,368	codefresh.io	45
#33,532	kustomize.io	44
#33,546	hacken.io	43
#33,607	sicss.io	41
#33,633	micronaut.io	44
#33,915	slither.io	43
#33,928	gosnappy.io	44
#33,957	scinapse.io	42
#34,030	aavia.io	40
#34,082	wysa.io	42
#34,559	okd.io	44
#34,602	jenkins-x.io	43
#34,693	wifimap.io	42
#34,722	11ty.io	42
#34,771	voodoo.io	43
#34,778	paketo.io	42
#35,826	snowplow.io	45
#35,906	ragas.io	44
#36,138	nathanfriend.io	41
#36,175	wplms.io	42
#36,216	libraries.io	44
#36,224	operatorhub.io	44
#36,231	external-secrets.io	44
#36,351	meshcore.io	42
#36,413	monedata.io	46
#36,427	pastes.io	41
#36,508	filestage.io	43
#36,528	crossplane.io	43
#36,564	clearout.io	44
#36,628	rejeki.io	46
#36,635	airbridge.io	45
#36,699	cryptography.io	44
#36,787	setosa.io	42
#36,799	kitsu.io	41
#36,842	cloudnative-pg.io	43
#36,845	unito.io	43
#36,850	dirkjanm.io	43
#37,214	illow.io	43
#37,295	mgba.io	41
#37,340	neurohive.io	41
#37,343	lightkey.io	43
#37,350	drop.io	42
#37,390	fusionary.io	46
#37,500	formatjs.io	43
#37,575	namedrop.io	41
#37,579	webauthn.io	44
#37,833	vpnpay.io	46
#37,864	postupi.io	46
#37,914	spack.io	42
#37,956	beekeeper.io	43
#38,384	it-service.io	46
#38,469	cytron.io	42
#38,566	nuki.io	42
#38,601	cloudron.io	44
#38,650	editorx.io	44
#38,716	uplisting.io	42
#38,769	mobilize.io	42
#38,811	8b.io	43
#38,820	flywheel.io	41
#38,821	arpsyndicate.io	40
#38,916	seatable.io	42
#39,099	rml.io	41
#39,119	improbable.io	42
#39,329	pandectes.io	42
#39,429	scanova.io	43
#39,737	seqera.io	42
#39,777	practicebetter.io	45
#39,801	userback.io	42
#39,934	expresstech.io	40
#40,007	abp.io	42
#40,073	bdrc.io	40
#40,133	jobboard.io	43
#40,226	notes.io	42
#40,292	minimus.io	41
#40,350	theasys.io	43
#40,387	seldon.io	42
#40,445	letsenhance.io	43
#40,514	pagefly.io	46
#40,642	vuestorefront.io	42
#40,689	theupdateframework.io	43
#40,718	canarymail.io	42
#40,742	nxedge.io	42
#40,748	career.io	42
#40,820	qzz.io	42
#40,837	operatorframework.io	43
#40,858	pcg.io	42
#40,880	flutterflow.io	44
#40,904	funraise.io	42
#40,935	discours.io	40
#40,959	learnk8s.io	42