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 |
|---|
| #4,616 | ghost.io | 56 |
| #4,620 | coda.io | 53 |
| #4,631 | crates.io | 56 |
| #4,660 | cypress.io | 53 |
| #4,844 | systeme.io | 55 |
| #4,940 | canny.io | 55 |
| #5,069 | invideo.io | 54 |
| #5,168 | raindrop.io | 51 |
| #5,203 | filippo.io | 53 |
| #5,355 | wordlift.io | 52 |
| #5,365 | stackshare.io | 52 |
| #5,413 | snov.io | 52 |
| #5,439 | wicg.io | 52 |
| #5,450 | gitbooks.io | 53 |
| #5,459 | dreamdata.io | 53 |
| #5,471 | keybase.io | 54 |
| #5,619 | rdrr.io | 54 |
| #5,640 | agentskills.io | 55 |
| #5,675 | filecoin.io | 52 |
| #5,745 | hunter.io | 52 |
| #5,827 | reviews.io | 54 |
| #5,907 | outreach.io | 54 |
| #5,916 | k8s.io | 54 |
| #5,941 | landbot.io | 52 |
| #6,127 | cyberduck.io | 53 |
| #6,131 | getterms.io | 51 |
| #6,242 | shodan.io | 52 |
| #6,255 | hasura.io | 52 |
| #6,275 | backstage.io | 52 |
| #6,284 | hachyderm.io | 55 |
| #6,309 | aha.io | 52 |
| #6,358 | skai.io | 54 |
| #6,432 | particle.io | 51 |
| #6,518 | trino.io | 52 |
| #6,710 | traefik.io | 52 |
| #6,725 | lunasec.io | 51 |
| #6,736 | consul.io | 52 |
| #6,744 | conda.io | 54 |
| #6,781 | guard.io | 51 |
| #6,880 | honeycomb.io | 52 |
| #7,043 | cilium.io | 51 |
| #7,271 | icomoon.io | 54 |
| #7,302 | packagecontrol.io | 51 |
| #7,321 | integrate.io | 52 |
| #7,392 | aje.io | 52 |
| #7,485 | thebell.io | 53 |
| #7,516 | hackster.io | 51 |
| #7,553 | pantheon.io | 50 |
| #7,558 | tapas.io | 50 |
| #7,562 | hackaday.io | 52 |
| #7,672 | resume.io | 49 |
| #7,756 | akka.io | 51 |
| #7,790 | accessibilityinsights.io | 51 |
| #7,834 | plausible.io | 58 |
| #7,901 | element.io | 53 |
| #7,912 | systemd.io | 51 |
| #8,054 | weaviate.io | 50 |
| #8,088 | pinecone.io | 51 |
| #8,107 | rzp.io | 51 |
| #8,131 | magiceden.io | 49 |
| #8,242 | podman.io | 51 |
| #8,327 | picsee.io | 52 |
| #8,414 | stape.io | 50 |
| #8,423 | ebpf.io | 51 |
| #8,430 | cert-manager.io | 52 |
| #8,431 | censys.io | 51 |
| #8,432 | codecov.io | 52 |
| #8,443 | frase.io | 51 |
| #8,445 | channel.io | 51 |
| #8,452 | linkerd.io | 51 |
| #8,538 | dillinger.io | 49 |
| #8,600 | kumu.io | 50 |
| #8,623 | devowl.io | 55 |
| #8,783 | protocols.io | 49 |
| #8,869 | gatling.io | 52 |
| #8,870 | document360.io | 51 |
| #8,967 | mailtrack.io | 50 |
| #9,079 | uscreen.io | 50 |
| #9,108 | velog.io | 49 |
| #9,322 | hoppscotch.io | 50 |
| #9,338 | pics.io | 48 |
| #9,354 | jaegertracing.io | 51 |
| #9,532 | clearscope.io | 50 |
| #9,672 | bundler.io | 51 |
| #9,692 | webdriver.io | 50 |
| #9,703 | baza.io | 51 |
| #9,810 | sdkman.io | 50 |
| #9,835 | plan.io | 49 |
| #9,858 | aaif.io | 50 |
| #9,899 | bitbucket.io | 50 |
| #10,021 | colormind.io | 49 |
| #10,043 | idnow.io | 49 |
| #10,098 | delta.io | 50 |
| #10,162 | locust.io | 49 |
| #10,212 | kissmetrics.io | 50 |
| #10,266 | bulma.io | 50 |
| #10,271 | nowpayments.io | 48 |
| #10,301 | contentstack.io | 50 |
| #10,306 | amuse.io | 48 |
| #10,358 | 42web.io | 48 |