Open Authority Rating
Top .gov 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 |
|---|
| #51 | nih.gov | 77 |
| #108 | ca.gov | 74 |
| #138 | irs.gov | 72 |
| #186 | congress.gov | 70 |
| #187 | nasa.gov | 70 |
| #191 | archives.gov | 70 |
| #212 | noaa.gov | 69 |
| #218 | sec.gov | 70 |
| #222 | loc.gov | 69 |
| #232 | treasury.gov | 68 |
| #234 | ny.gov | 69 |
| #235 | census.gov | 69 |
| #242 | justice.gov | 69 |
| #244 | sba.gov | 68 |
| #281 | nist.gov | 70 |
| #291 | ftc.gov | 70 |
| #292 | state.gov | 68 |
| #333 | nps.gov | 67 |
| #357 | cdc.gov | 69 |
| #371 | usgs.gov | 67 |
| #374 | delaware.gov | 66 |
| #385 | eia.gov | 66 |
| #387 | faa.gov | 66 |
| #409 | bls.gov | 67 |
| #412 | defense.gov | 66 |
| #425 | weather.gov | 66 |
| #442 | energy.gov | 66 |
| #458 | lacounty.gov | 64 |
| #459 | cia.gov | 64 |
| #473 | dataprivacyframework.gov | 68 |
| #479 | dni.gov | 64 |
| #512 | bea.gov | 64 |
| #520 | whitehouse.gov | 67 |
| #524 | commerce.gov | 64 |
| #600 | nyc.gov | 64 |
| #639 | fbi.gov | 64 |
| #679 | energystar.gov | 64 |
| #755 | treas.gov | 62 |
| #823 | fcc.gov | 63 |
| #832 | uspto.gov | 63 |
| #850 | govinfo.gov | 63 |
| #882 | blm.gov | 62 |
| #885 | copyright.gov | 64 |
| #904 | ntsb.gov | 61 |
| #994 | dol.gov | 63 |
| #1,005 | epa.gov | 64 |
| #1,142 | usa.gov | 63 |
| #1,181 | nationalmap.gov | 60 |
| #1,187 | fda.gov | 63 |
| #1,231 | supremecourt.gov | 61 |
| #1,275 | texas.gov | 62 |
| #1,333 | senate.gov | 62 |
| #1,373 | cisa.gov | 62 |
| #1,377 | hhs.gov | 63 |
| #1,383 | gao.gov | 61 |
| #1,427 | usda.gov | 63 |
| #1,443 | nj.gov | 60 |
| #1,514 | ic3.gov | 61 |
| #1,521 | house.gov | 62 |
| #1,594 | ed.gov | 61 |
| #1,622 | eeoc.gov | 60 |
| #1,637 | oregon.gov | 60 |
| #1,704 | mo.gov | 59 |
| #1,727 | trade.gov | 59 |
| #1,736 | federalregister.gov | 61 |
| #1,781 | virginia.gov | 60 |
| #1,787 | in.gov | 60 |
| #1,802 | wa.gov | 60 |
| #1,803 | federalreserve.gov | 60 |
| #1,895 | colorado.gov | 60 |
| #1,899 | fdic.gov | 59 |
| #1,900 | dc.gov | 59 |
| #1,903 | utah.gov | 59 |
| #1,912 | mass.gov | 59 |
| #1,926 | privacyshield.gov | 62 |
| #1,947 | ecfr.gov | 60 |
| #1,963 | doc.gov | 59 |
| #1,972 | ct.gov | 60 |
| #1,998 | nsf.gov | 59 |
| #2,011 | maryland.gov | 59 |
| #2,031 | illinois.gov | 59 |
| #2,036 | uscourts.gov | 60 |
| #2,046 | dhs.gov | 60 |
| #2,050 | hawaii.gov | 58 |
| #2,066 | oklahoma.gov | 58 |
| #2,108 | usembassy.gov | 58 |
| #2,109 | michigan.gov | 59 |
| #2,111 | mn.gov | 59 |
| #2,125 | section508.gov | 58 |
| #2,129 | osha.gov | 59 |
| #2,135 | ssa.gov | 60 |
| #2,171 | ohio.gov | 59 |
| #2,183 | ada.gov | 59 |
| #2,200 | pa.gov | 59 |
| #2,228 | cpsc.gov | 58 |
| #2,292 | tn.gov | 58 |
| #2,294 | maine.gov | 58 |
| #2,295 | va.gov | 59 |
| #2,319 | georgia.gov | 58 |
| #2,330 | dot.gov | 59 |