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 |
|---|
| #24,670 | sitecorecloud.io | 47 |
| #24,728 | thedefiant.io | 45 |
| #24,735 | getyarn.io | 44 |
| #24,738 | imgstock.io | 49 |
| #24,743 | payfast.io | 46 |
| #24,831 | papervpn.io | 48 |
| #24,877 | dagger.io | 44 |
| #24,885 | yuka.io | 44 |
| #24,963 | zealy.io | 45 |
| #25,095 | understory.io | 45 |
| #25,361 | mega.io | 47 |
| #25,392 | wiznet.io | 43 |
| #25,606 | karte.io | 46 |
| #26,054 | confidentialcomputing.io | 45 |
| #26,120 | microlink.io | 46 |
| #26,179 | puma.io | 44 |
| #26,195 | gamemaker.io | 46 |
| #26,204 | containerd.io | 45 |
| #26,281 | forebears.io | 43 |
| #26,334 | preset.io | 44 |
| #26,390 | mdza.io | 47 |
| #26,459 | firstory.io | 43 |
| #26,833 | gruntwork.io | 45 |
| #26,855 | sirdata.io | 43 |
| #27,005 | k3s.io | 46 |
| #27,037 | hapifhir.io | 43 |
| #27,135 | fury.io | 48 |
| #27,137 | openlineage.io | 44 |
| #27,162 | livekit.io | 49 |
| #27,214 | improvado.io | 46 |
| #27,257 | pcivault.io | 42 |
| #27,386 | unitag.io | 43 |
| #27,629 | orvium.io | 43 |
| #27,635 | zipkin.io | 46 |
| #27,665 | thingsboard.io | 43 |
| #28,091 | katacontainers.io | 44 |
| #28,097 | nicepage.io | 44 |
| #28,098 | s2geometry.io | 44 |
| #28,108 | brm.io | 43 |
| #28,227 | flat.io | 43 |
| #28,234 | skeepers.io | 46 |
| #28,251 | debezium.io | 45 |
| #28,364 | projectdiscovery.io | 45 |
| #28,413 | utm.io | 45 |
| #28,444 | meethour.io | 41 |
| #28,513 | thedriven.io | 43 |
| #28,600 | digitallibrary.io | 42 |
| #28,704 | t2m.io | 45 |
| #28,797 | nightwatch.io | 44 |
| #28,884 | cointracker.io | 44 |
| #29,077 | westpoint.io | 41 |
| #29,146 | hygger.io | 42 |
| #29,210 | vedabase.io | 42 |
| #29,343 | mlml.io | 41 |
| #29,426 | ipwhois.io | 43 |
| #29,535 | simplyblock.io | 42 |
| #29,537 | fluxcd.io | 45 |
| #29,661 | gcr.io | 44 |
| #29,744 | styleguides.io | 43 |
| #29,764 | imgmahasuhu.io | 48 |
| #29,850 | ray.io | 45 |
| #29,856 | 451.io | 43 |
| #29,932 | distill.io | 43 |
| #29,950 | spiffe.io | 45 |
| #29,964 | webtorrent.io | 43 |
| #30,010 | saturncloud.io | 43 |
| #30,072 | pangeo.io | 43 |
| #30,164 | metarouter.io | 47 |
| #30,251 | topmate.io | 44 |
| #30,350 | signite.io | 45 |
| #30,360 | recruitcrm.io | 45 |
| #30,378 | goodbits.io | 41 |
| #30,456 | mytime.io | 41 |
| #30,473 | piano.io | 49 |
| #30,477 | criminalip.io | 42 |
| #30,480 | peopleforce.io | 44 |
| #30,513 | aiforeducation.io | 43 |
| #30,694 | taptap.io | 44 |
| #30,708 | bluewallet.io | 42 |
| #30,709 | dwellapp.io | 42 |
| #30,727 | dextools.io | 45 |
| #30,749 | tweethunter.io | 44 |
| #30,895 | sglang.io | 47 |
| #30,987 | paybee.io | 43 |
| #31,112 | buildpacks.io | 44 |
| #31,252 | scamsniffer.io | 42 |
| #31,422 | socradar.io | 44 |
| #31,466 | salespanel.io | 43 |
| #31,475 | vysor.io | 43 |
| #31,618 | eventmaker.io | 44 |
| #31,681 | atomicwallet.io | 43 |
| #31,839 | wixstudio.io | 45 |
| #32,081 | framevr.io | 43 |
| #32,216 | starburst.io | 44 |
| #32,447 | astronomer.io | 44 |
| #32,713 | mbakgroup.io | 47 |
| #32,729 | velero.io | 44 |
| #32,761 | qvickly.io | 42 |
| #32,795 | nextflow.io | 43 |
| #32,796 | opencensus.io | 44 |