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 |
|---|
| #46,460 | offcourse.co | 40 |
| #46,508 | signal.co | 42 |
| #46,876 | tulip.co | 42 |
| #47,055 | imageonline.co | 41 |
| #47,108 | unicauca.edu.co | 40 |
| #47,433 | cuc.edu.co | 40 |
| #47,587 | repl.co | 41 |
| #47,756 | popl.co | 43 |
| #48,109 | canal1.com.co | 41 |
| #48,131 | sutra.co | 40 |
| #48,375 | aerocivil.gov.co | 41 |
| #48,396 | supersociedades.gov.co | 41 |
| #48,737 | headway.co | 43 |
| #48,746 | invemar.org.co | 40 |
| #48,754 | cundinamarca.gov.co | 39 |
| #48,909 | moe.org.co | 39 |
| #49,447 | myurls.co | 40 |
| #49,507 | dossier.co | 41 |
| #49,661 | javerianacali.edu.co | 40 |
| #49,818 | fictionlog.co | 39 |
| #50,471 | 3axis.co | 39 |
| #50,636 | autobooks.co | 42 |
| #50,998 | biolinku.co | 41 |
| #51,057 | luvly.co | 41 |
| #51,293 | bibigpt.co | 39 |
| #51,332 | serp.co | 43 |
| #51,470 | mentalup.co | 39 |
| #51,483 | bn.co | 45 |
| #51,540 | fugue.co | 40 |
| #51,642 | fotoshare.co | 41 |
| #52,115 | supervigilancia.gov.co | 39 |
| #52,192 | l2top.co | 40 |
| #52,424 | omise.co | 43 |
| #52,655 | harkla.co | 39 |
| #52,811 | onedio.co | 39 |
| #52,899 | truecoach.co | 40 |
| #53,097 | lumoshelmet.co | 40 |
| #53,382 | qoolink.co | 40 |
| #53,498 | altacucina.co | 39 |
| #53,528 | mojok.co | 39 |
| #53,529 | wirtual.co | 39 |
| #53,646 | sride.co | 39 |
| #53,782 | cs.co | 40 |
| #54,173 | selia.co | 38 |
| #54,328 | statsbot.co | 40 |
| #54,501 | pse.com.co | 39 |
| #54,604 | siit.co | 41 |
| #54,705 | ncs.co | 42 |
| #55,026 | camlibro.com.co | 39 |
| #55,351 | offtime.co | 39 |
| #55,366 | learn-quran.co | 39 |
| #55,436 | politi.co | 40 |
| #55,458 | linenow.co | 38 |
| #55,627 | umanizales.edu.co | 39 |
| #55,643 | project.co | 42 |
| #55,718 | dataform.co | 41 |
| #55,773 | flipdapp.co | 40 |
| #55,964 | mediately.co | 39 |
| #56,030 | radiobiafra.co | 38 |
| #56,234 | discoverflow.co | 40 |
| #56,260 | mymizu.co | 40 |
| #56,741 | wren.co | 40 |
| #56,899 | imusic.co | 38 |
| #56,932 | amazon.co | 41 |
| #56,984 | speechnotes.co | 40 |
| #57,250 | a360.co | 40 |
| #57,331 | mindmed.co | 38 |
| #57,424 | scifishorts.co | 37 |
| #57,462 | wheelers.co | 38 |
| #57,494 | arlo.co | 42 |
| #57,564 | umso.co | 41 |
| #57,621 | onac.org.co | 40 |
| #57,672 | studyo.co | 39 |
| #57,735 | utb.edu.co | 39 |
| #57,946 | localseoservices.co | 38 |
| #58,084 | shipup.co | 40 |
| #58,091 | themomentum.co | 39 |
| #58,186 | cptn.co | 41 |
| #58,231 | 5il.co | 43 |
| #58,332 | outgrow.co | 43 |
| #58,337 | ut.edu.co | 39 |
| #58,341 | clinch.co | 41 |
| #58,362 | archdaily.co | 39 |
| #58,431 | popclub.co | 38 |
| #59,007 | fixr.co | 41 |
| #59,176 | anws.co | 42 |
| #59,767 | candyhouse.co | 39 |
| #60,091 | ppay.co | 41 |
| #60,270 | populix.co | 39 |
| #60,791 | kuali.co | 40 |
| #60,843 | huntr.co | 41 |
| #60,932 | accefyn.org.co | 38 |
| #61,039 | iglobal.co | 40 |
| #61,047 | pitchwall.co | 40 |
| #61,128 | itm.edu.co | 39 |
| #61,176 | turbovpn.co | 38 |
| #61,268 | santander.gov.co | 39 |
| #61,351 | nycforfree.co | 38 |
| #61,544 | dispatch.co | 38 |
| #61,931 | tigo.com.co | 40 |