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
#47,007	cloudtalk.io	44
#47,016	labex.io	42
#47,135	csvlint.io	40
#47,168	pixelbin.io	42
#47,292	quix.io	40
#47,293	trakto.io	40
#47,399	theflipside.io	39
#47,447	underline.io	42
#47,467	ksqldb.io	40
#47,646	blynk.io	40
#47,651	pricefy.io	40
#47,663	sigmaprime.io	41
#47,664	changenow.io	42
#47,845	cloudquery.io	40
#47,931	artillery.io	42
#48,071	settleup.io	39
#48,168	5ch.io	42
#48,220	cozy.io	41
#48,323	namitech.io	39
#48,369	iancoleman.io	40
#48,406	placekey.io	40
#48,577	admetrics.io	41
#48,595	hada.io	40
#48,773	laravel.io	41
#48,829	openthread.io	41
#48,955	virtuals.io	41
#49,250	gamejolt.io	39
#49,450	mover.io	41
#49,497	electromaker.io	40
#49,510	grafeas.io	40
#49,606	ngrave.io	40
#49,705	shakudo.io	40
#49,759	starknet.io	42
#49,826	insight7.io	41
#49,907	glideapp.io	42
#50,024	everflow.io	42
#50,065	control-plane.io	41
#50,097	bosh.io	41
#50,210	sketchboard.io	40
#50,252	mycast.io	40
#50,261	augur.io	38
#50,289	appbase.io	40
#50,349	neo4j.io	41
#50,353	vacationtracker.io	40
#50,565	proglib.io	40
#50,773	tldv.io	43
#50,787	podcastguru.io	40
#50,954	zendy.io	39
#50,970	passion.io	42
#50,978	robin.io	40
#51,026	veracrypt.io	43
#51,150	captainfact.io	38
#51,173	ncd.io	39
#51,201	lumu.io	40
#51,211	givestar.io	41
#51,388	mjml.io	42
#51,466	constellationnetwork.io	41
#51,519	mender.io	41
#51,545	dodoex.io	40
#51,641	sportigo.io	39
#51,643	ascent24.io	39
#51,659	synthesys.io	41
#51,689	tzkt.io	40
#51,783	safepal.io	40
#52,019	elevenreader.io	40
#52,038	pentera.io	41
#52,229	metallb.io	41
#52,271	deepsource.io	41
#52,543	harbiz.io	39
#52,637	moox.io	43
#52,683	tgcloud.io	38
#52,801	alps.io	39
#52,813	openbeta.io	38
#52,838	eon.io	40
#52,931	techsite.io	39
#52,986	defol.io	39
#53,025	dictation.io	40
#53,185	dable.io	42
#53,205	defang.io	39
#53,310	holistics.io	41
#53,710	compose-spec.io	40
#54,159	avast.io	41
#54,161	coalesce.io	40
#54,191	mediasmart.io	40
#54,210	fori.io	40
#54,761	corsproxy.io	40
#54,762	quicknote.io	40
#54,819	hackathon.io	40
#54,929	heja.io	39
#54,946	parkplus.io	38
#54,955	commonfate.io	39
#55,008	helidon.io	41
#55,145	weticket.io	42
#55,257	healthsites.io	39
#55,511	keepo.io	40
#55,820	brandefense.io	39
#55,846	dbatools.io	39
#56,261	colordesigner.io	40
#56,361	gtnr.io	42
#56,381	blockspot.io	39