Is .au or .uk bigger?

.uk has more websites in our catalog: 8,937 are .au and 19,520 are .uk.

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

Both have a similar median Ahrefs Domain Rating.

Can a site be both .au and .uk?

A site has one top-level domain, so .au 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.

.au vs .uk — Site Stats Database

.au 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	.au	.uk
Websites	8,937	19,520
Market share	1.0%	2.2%
Rank	#5	#4
Median DR	33	33

Average DR	36	36

Median keywords	927	784

Median referring domains	498	544

Median domain age	22 yrs	16 yrs

Average domain age	19 yrs	16 yrs

Combined monthly traffic	188,490,395	520,878,150

Average monthly traffic	21,091	26,684

healthdirect.gov.au
LanguageEnglish
DR (Ahrefs)87
Total Keywords962,620
Referring Domains40,777
Domain Age
Traffic (Jun 2026)17,866,941
Traffic Trend
TLD.au
whitsundaydiscountmarine.com.au
Language
DR (Ahrefs)16
Total Keywords12,654
Referring Domains187
Domain Age
Traffic (Jun 2026)4,442,452
Traffic Trend
TLD
abc.net.au
LanguageEnglish
DR (Ahrefs)91
Total Keywords748,777
Referring Domains301,661
Domain Age
Traffic (Jun 2026)3,238,854
Traffic Trend
TLD.au
nsw.gov.au
LanguageEnglish
DR (Ahrefs)92
Total Keywords509,221
Referring Domains188,460
Domain Age
Traffic (Jun 2026)3,007,823
Traffic Trend
TLD.au
dfat.gov.au
Language
DR (Ahrefs)84
Total Keywords29,622
Referring Domains25,875
Domain Age
Traffic (Jun 2026)2,754,080
Traffic Trend
TLD.au
esafety.gov.au
Language
DR (Ahrefs)84
Total Keywords41,582
Referring Domains17,216
Domain Age
Traffic (Jun 2026)2,589,723
Traffic Trend
TLD.au
uq.edu.au
LanguageEnglish
DR (Ahrefs)87
Total Keywords114,124
Referring Domains66,138
Domain Age
Traffic (Jun 2026)2,543,731
Traffic Trend
TLD.au
roboconverter.com.au
LanguageEnglish
DR (Ahrefs)3.7
Total Keywords37,339
Referring Domains2
Domain Age
Traffic (Jun 2026)2,331,206
Traffic Trend
TLD.au
taste.com.au
Language
DR (Ahrefs)77
Total Keywords499,840
Referring Domains55,362
Domain Age
Traffic (Jun 2026)2,036,260
Traffic Trend
TLD.au
nine.com.au
LanguageEnglish
DR (Ahrefs)82
Total Keywords522,669
Referring Domains30,210
Domain Age
Traffic (Jun 2026)1,981,566
Traffic Trend
TLD.au

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	TLD
healthdirect.gov.au	English	87	962,620	40,777		17,866,941		.au

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