Is .org or .uk bigger?

.org has more websites in our catalog: 61,478 are .org and 19,520 are .uk.

Which has higher-authority sites, .org or .uk?

.org has the higher median Ahrefs Domain Rating (.org: 43, .uk: 33).

Can a site be both .org and .uk?

A site has one top-level domain, so .org and .uk are mutually exclusive.

Where does this data come from?

Counts come from Site Stats Database's own crawl and classification; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.

.org vs .uk — Site Stats Database

.org vs .uk

A side-by-side comparison of two domain extensions (tlds), based on the 880,858 sites Site Stats Database tracks in this dimension.

Last updated July 1, 2026

Metric	.org	.uk
Websites	61,478	19,520
Market share	7.0%	2.2%
Rank	#2	#4
Median DR	43	33

Average DR	43	36

Median keywords	1,120	784

Median referring domains	650	544

Median domain age	20 yrs	16 yrs

Average domain age	19 yrs	16 yrs

Combined monthly traffic	31,247,430,766	520,878,150

Average monthly traffic	508,270	26,684

wikipedia.org
LanguageEnglish
DR (Ahrefs)97
Total Keywords61,690,521
Referring Domains6,594,435
Domain Age25 yrs
Traffic (Jun 2026)11,208,499,330
Traffic Trend
TLD.org
clevelandclinic.org
LanguageEnglish
DR (Ahrefs)92
Total Keywords5,266,698
Referring Domains262,751
Domain Age28 yrs
Traffic (Jun 2026)536,244,433
Traffic Trend
TLD.org
cambridge.org
Language
DR (Ahrefs)92
Total Keywords4,651,462
Referring Domains357,733
Domain Age28 yrs
Traffic (Jun 2026)527,148,452
Traffic Trend
TLD.org
mayoclinic.org
LanguageEnglish
DR (Ahrefs)92
Total Keywords4,487,264
Referring Domains408,066
Domain Age29 yrs
Traffic (Jun 2026)452,253,303
Traffic Trend
TLD.org
ck12.org
Language
DR (Ahrefs)75
Total Keywords1,559,871
Referring Domains17,813
Domain Age19 yrs
Traffic (Jun 2026)197,520,503
Traffic Trend
TLD.org
akc.org
LanguageEnglish
DR (Ahrefs)90
Total Keywords655,094
Referring Domains78,973
Domain Age31 yrs
Traffic (Jun 2026)125,727,029
Traffic Trend
TLD.org
wiktionary.org
LanguageEnglish
DR (Ahrefs)91
Total Keywords3,062,929
Referring Domains213,267
Domain Age23 yrs
Traffic (Jun 2026)104,118,446
Traffic Trend
TLD.org
hopkinsmedicine.org
Language
DR (Ahrefs)91
Total Keywords1,573,575
Referring Domains157,509
Domain Age26 yrs
Traffic (Jun 2026)76,855,183
Traffic Trend
TLD.org
khanacademy.org
LanguageEnglish
DR (Ahrefs)90
Total Keywords1,866,048
Referring Domains135,182
Domain Age20 yrs
Traffic (Jun 2026)73,472,771
Traffic Trend
TLD.org
themoviedb.org
LanguageEnglish
DR (Ahrefs)87
Total Keywords2,064,220
Referring Domains91,488
Domain Age17 yrs
Traffic (Jun 2026)62,345,149
Traffic Trend
TLD.org

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	TLD
wikipedia.org	English	97	61,690,521	6,594,435	25 yrs	11,208,499,330		.org

bbc.co.uk
LanguageEnglish
DR (Ahrefs)93
Total Keywords3,033,726
Referring Domains965,273
Domain Age29 yrs
Traffic (Jun 2026)31,381,634
Traffic Trend
TLD.uk
nhm.ac.uk
LanguageEnglish
DR (Ahrefs)84
Total Keywords210,512
Referring Domains54,627
Domain Age
Traffic (Jun 2026)12,233,377
Traffic Trend
TLD.uk
purina.co.uk
LanguageEnglish
DR (Ahrefs)74
Total Keywords143,513
Referring Domains13,221
Domain Age26 yrs
Traffic (Jun 2026)9,510,915
Traffic Trend
TLD.uk
bhf.org.uk
LanguageEnglish
DR (Ahrefs)86
Total Keywords331,720
Referring Domains38,746
Domain Age31 yrs
Traffic (Jun 2026)8,127,074
Traffic Trend
TLD.uk
independent.co.uk
LanguageEnglish
DR (Ahrefs)91
Total Keywords1,900,995
Referring Domains547,698
Domain Age26 yrs
Traffic (Jun 2026)7,599,524
Traffic Trend
TLD.uk
company-information.service.gov.uk
Language
DR (Ahrefs)92
Total Keywords454,127
Referring Domains40,902
Domain Age13 yrs
Traffic (Jun 2026)5,133,859
Traffic Trend
TLD
rush.co.uk
LanguageEnglish
DR (Ahrefs)49
Total Keywords62,650
Referring Domains2,070
Domain Age31 yrs
Traffic (Jun 2026)4,936,887
Traffic Trend
TLD.uk
rmg.co.uk
LanguageEnglish
DR (Ahrefs)81
Total Keywords86,303
Referring Domains29,159
Domain Age20 yrs
Traffic (Jun 2026)4,678,936
Traffic Trend
TLD.uk
uhsussex.nhs.uk
LanguageEnglish
DR (Ahrefs)71
Total Keywords75,703
Referring Domains2,938
Domain Age
Traffic (Jun 2026)4,407,910
Traffic Trend
TLD.uk
iwm.org.uk
LanguageEnglish
DR (Ahrefs)82
Total Keywords118,424
Referring Domains33,587
Domain Age29 yrs
Traffic (Jun 2026)4,124,741
Traffic Trend
TLD.uk