Open Authority Rating
Top .org 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 |
|---|
| #3,310 | doaj.org | 56 |
| #3,313 | marketplace.org | 56 |
| #3,317 | cancer.org | 57 |
| #3,325 | bis.org | 56 |
| #3,339 | cepr.org | 56 |
| #3,357 | csswg.org | 57 |
| #3,369 | seclists.org | 55 |
| #3,373 | jboss.org | 56 |
| #3,384 | farodigital.org | 59 |
| #3,397 | nlc.org | 55 |
| #3,407 | ama.org | 55 |
| #3,427 | nationalgeographic.org | 56 |
| #3,428 | hathitrust.org | 55 |
| #3,439 | dmarc.org | 56 |
| #3,440 | isaca.org | 56 |
| #3,441 | idtheftcenter.org | 56 |
| #3,442 | kde.org | 57 |
| #3,451 | aps.org | 56 |
| #3,455 | ifrs.org | 56 |
| #3,456 | slashdot.org | 56 |
| #3,463 | okfn.org | 56 |
| #3,464 | kff.org | 56 |
| #3,475 | diva-portal.org | 55 |
| #3,485 | sesameworkshop.org | 55 |
| #3,486 | niemanlab.org | 56 |
| #3,488 | wikileaks.org | 54 |
| #3,492 | asco.org | 56 |
| #3,493 | helpguide.org | 56 |
| #3,497 | isbn-international.org | 56 |
| #3,498 | osce.org | 56 |
| #3,503 | poetryfoundation.org | 56 |
| #3,509 | seomoz.org | 54 |
| #3,510 | jsonlines.org | 55 |
| #3,527 | eslint.org | 56 |
| #3,530 | rclone.org | 55 |
| #3,539 | gmane.org | 56 |
| #3,542 | wto.org | 56 |
| #3,543 | electronjs.org | 57 |
| #3,548 | quirksmode.org | 56 |
| #3,550 | first.org | 57 |
| #3,567 | asm.org | 55 |
| #3,575 | wellcome.org | 54 |
| #3,607 | ibiblio.org | 56 |
| #3,619 | opensuse.org | 57 |
| #3,623 | betterplace.org | 56 |
| #3,624 | wfp.org | 55 |
| #3,630 | openoffice.org | 56 |
| #3,638 | coffeescript.org | 56 |
| #3,640 | oas.org | 56 |
| #3,657 | computerhistory.org | 55 |
| #3,667 | openweathermap.org | 56 |
| #3,722 | contentauthenticity.org | 54 |
| #3,734 | iata.org | 56 |
| #3,741 | wbur.org | 56 |
| #3,749 | pewtrusts.org | 55 |
| #3,761 | rotary.org | 56 |
| #3,767 | eurekalert.org | 56 |
| #3,768 | webrtc.org | 55 |
| #3,784 | royalsociety.org | 55 |
| #3,791 | c2pa.org | 56 |
| #3,793 | sleepfoundation.org | 56 |
| #3,796 | fosi.org | 56 |
| #3,808 | ala.org | 55 |
| #3,818 | epi.org | 54 |
| #3,826 | doxygen.org | 57 |
| #3,834 | openbsd.org | 56 |
| #3,835 | explore.org | 55 |
| #3,841 | llvm.org | 56 |
| #3,843 | climaterealityproject.org | 54 |
| #3,845 | isbn.org | 55 |
| #3,850 | oxfam.org | 54 |
| #3,855 | h5p.org | 53 |
| #3,861 | volunteermatch.org | 55 |
| #3,876 | libretexts.org | 54 |
| #3,879 | mariadb.org | 55 |
| #3,887 | inkscape.org | 55 |
| #3,900 | nanowrimo.org | 53 |
| #3,902 | qgis.org | 54 |
| #3,903 | kk.org | 53 |
| #3,907 | glaad.org | 55 |
| #3,909 | aafp.org | 55 |
| #3,917 | openaccessgovernment.org | 55 |
| #3,929 | ccmixter.org | 53 |
| #3,931 | comptia.org | 54 |
| #3,949 | oc-media.org | 55 |
| #3,950 | aei.org | 55 |
| #3,964 | mla.org | 53 |
| #3,980 | adsrvr.org | 58 |
| #3,995 | wordcamp.org | 54 |
| #3,998 | polioeradication.org | 55 |
| #4,007 | kcet.org | 55 |
| #4,036 | matrix.org | 56 |
| #4,038 | lumendatabase.org | 57 |
| #4,042 | duckdns.org | 53 |
| #4,058 | ukri.org | 56 |
| #4,069 | dyndns.org | 55 |
| #4,079 | openclipart.org | 55 |
| #4,081 | amanet.org | 54 |
| #4,082 | nonprofitquarterly.org | 55 |
| #4,088 | chathamhouse.org | 54 |