Open Authority Rating
Top .co 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 |
|---|
| #74 | t.co | 77 |
| #366 | apple.co | 67 |
| #372 | elastic.co | 67 |
| #395 | g.co | 70 |
| #583 | huggingface.co | 66 |
| #725 | 404media.co | 62 |
| #916 | ibb.co | 64 |
| #955 | exposure.co | 61 |
| #1,476 | clutch.co | 61 |
| #1,507 | carrd.co | 60 |
| #1,574 | angel.co | 59 |
| #1,633 | vsco.co | 58 |
| #1,723 | codeway.co | 58 |
| #1,742 | stackoverflow.co | 62 |
| #1,809 | socialpilot.co | 59 |
| #1,885 | visme.co | 58 |
| #1,958 | mural.co | 56 |
| #2,099 | coolors.co | 57 |
| #2,385 | vine.co | 58 |
| #2,433 | securityaffairs.co | 56 |
| #2,448 | a.co | 59 |
| #3,162 | ausha.co | 57 |
| #3,176 | orcd.co | 57 |
| #3,186 | livestorm.co | 56 |
| #3,266 | glossy.co | 55 |
| #3,324 | convertio.co | 54 |
| #3,331 | thehustle.co | 54 |
| #3,566 | goodfirms.co | 54 |
| #3,595 | electrek.co | 54 |
| #4,167 | cryptokitties.co | 53 |
| #4,267 | lpages.co | 55 |
| #4,450 | mixkit.co | 53 |
| #4,697 | google.com.co | 52 |
| #4,732 | supabase.co | 59 |
| #4,765 | colorhunt.co | 52 |
| #4,799 | paperform.co | 54 |
| #4,957 | gum.co | 53 |
| #5,086 | sched.co | 53 |
| #5,087 | getrevue.co | 52 |
| #5,090 | spocket.co | 52 |
| #5,345 | chatbase.co | 53 |
| #5,627 | zip.co | 53 |
| #5,655 | decrypt.co | 53 |
| #5,856 | aeon.co | 52 |
| #6,202 | pcdn.co | 53 |
| #6,479 | ello.co | 51 |
| #6,526 | 500.co | 51 |
| #6,628 | alphavantage.co | 51 |
| #6,660 | hpbn.co | 51 |
| #6,782 | mn.co | 52 |
| #6,851 | pasteboard.co | 50 |
| #6,888 | bench.co | 50 |
| #7,035 | vibe.co | 52 |
| #7,133 | influence.co | 50 |
| #7,197 | kuula.co | 53 |
| #8,348 | optimistindia.co | 53 |
| #8,726 | portafolio.co | 49 |
| #9,037 | brit.co | 50 |
| #9,080 | thecanary.co | 52 |
| #9,267 | dealroom.co | 50 |
| #9,491 | duda.co | 50 |
| #9,568 | negativespace.co | 49 |
| #9,781 | kiddle.co | 49 |
| #9,932 | presidencia.gov.co | 49 |
| #10,079 | larepublica.co | 49 |
| #10,192 | uniandes.edu.co | 50 |
| #10,227 | javeriana.edu.co | 49 |
| #10,603 | myeship.co | 51 |
| #10,689 | electriccoin.co | 49 |
| #10,738 | baseten.co | 50 |
| #10,740 | thestandard.co | 48 |
| #10,827 | theblock.co | 50 |
| #11,076 | rocketreach.co | 48 |
| #11,501 | ninjavan.co | 49 |
| #12,023 | e27.co | 48 |
| #12,156 | psyche.co | 47 |
| #12,216 | posit.co | 49 |
| #12,279 | unal.edu.co | 48 |
| #12,292 | rentry.co | 48 |
| #12,298 | inter.co | 48 |
| #12,363 | zcal.co | 49 |
| #12,665 | eclecticlight.co | 47 |
| #12,886 | urosario.edu.co | 47 |
| #13,126 | bogota.gov.co | 47 |
| #13,151 | maze.co | 48 |
| #13,219 | nappy.co | 46 |
| #13,223 | getstark.co | 47 |
| #13,254 | mintic.gov.co | 48 |
| #13,282 | tempo.co | 49 |
| #13,345 | w3w.co | 49 |
| #13,370 | audius.co | 47 |
| #13,760 | fi.co | 47 |
| #13,775 | feeder.co | 46 |
| #13,870 | goodgoodgood.co | 47 |
| #13,970 | datadome.co | 49 |
| #14,299 | inter-growth.co | 47 |
| #14,302 | cent.co | 46 |
| #14,340 | campus.co | 47 |
| #14,917 | tamara.co | 48 |
| #15,103 | savelist.co | 47 |