Is ad.jp or register.com more popular?

register.com is used by more websites in our catalog: 203 use ad.jp and 4,371 use register.com.

Does ad.jp or register.com have higher-authority sites?

ad.jp sites have the higher median Ahrefs Domain Rating (ad.jp: 70, register.com: 14).

Is ad.jp or register.com growing faster?

Between 2026-06 and 2026-07, ad.jp went from 0.03% to 0.02% of all tracked sites, while register.com went from 0.48% to 0.50%. register.com is gaining ground faster in our index.

Can a site use both ad.jp and register.com?

No. A site runs a single DNS provider, so ad.jp and register.com are mutually exclusive.

Where does this ad.jp vs register.com data come from?

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

ad.jp vs register.com — Site Stats Database

ad.jp vs register.com

A side-by-side comparison of two dns providers, based on the 840,922 DNS Provider sites tracked by Site Stats Database.

Last updated July 1, 2026

Metric	ad.jp	register.com
Websites	203	4,371
Market share	0.02%	0.52%
Share of top 10K sites	0.00%	0.11%
Share of top 100K sites

Rank	#176	#18

Median DR	70	14

Average DR	65	20

Median keywords	181	672

Median referring domains	2,895	170

Median domain age	25 yrs	15 yrs

Average domain age	23 yrs	16 yrs

Average monthly traffic	7,250	31,937

Combined monthly traffic	1,471,829	139,595,431

hakone-japan.com
LanguageEnglish
DR (Ahrefs)46
Total Keywords3,089
Referring Domains832
Domain Age8 yrs
Traffic (Jun 2026)151,986
Traffic Trend
Technologyad.jp
u-tokyo.ac.jp
Language
DR (Ahrefs)89
Total Keywords15,887
Referring Domains76,751
Domain Age6 yrs
Traffic (Jun 2026)129,348
Traffic Trend
Technology
tokyometro.jp
Language
DR (Ahrefs)79
Total Keywords3,662
Referring Domains12,969
Domain Age25 yrs
Traffic (Jun 2026)128,298
Traffic Trend
Technology
mlcjapanese.co.jp
LanguageJapanese
DR (Ahrefs)35
Total Keywords4,140
Referring Domains1,126
Domain Age26 yrs
Traffic (Jun 2026)96,861
Traffic Trend
Technology
daiso-sangyo.co.jp
Language
DR (Ahrefs)74
Total Keywords638
Referring Domains6,483
Domain Age26 yrs
Traffic (Jun 2026)93,764
Traffic Trend
Technology
tamiya.com
LanguageJapanese
DR (Ahrefs)74
Total Keywords12,377
Referring Domains10,041
Domain Age30 yrs
Traffic (Jun 2026)63,694
Traffic Trend
Technology
nagoya-u.ac.jp
Language
DR (Ahrefs)81
Total Keywords3,061
Referring Domains24,337
Domain Age
Traffic (Jun 2026)61,998
Traffic Trend
Technology
genome.jp
Language
DR (Ahrefs)76
Total Keywords15,830
Referring Domains10,325
Domain Age25 yrs
Traffic (Jun 2026)60,330
Traffic Trend
Technologyad.jp
kegg.jp
LanguageEnglish
DR (Ahrefs)74
Total Keywords6,409
Referring Domains5,689
Domain Age21 yrs
Traffic (Jun 2026)44,355
Traffic Trend
Technologyad.jp
jac.go.jp
Language
DR (Ahrefs)77
Total Keywords1,379
Referring Domains9,430
Domain Age
Traffic (Jun 2026)38,408
Traffic Trend
Technologyad.jp

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
hakone-japan.com	English	46	3,089	832	8 yrs	151,986		ad.jp

streetdirectory.com
LanguageEnglish
DR (Ahrefs)74
Total Keywords782,093
Referring Domains18,256
Domain Age26 yrs
Traffic (Jun 2026)18,720,875
Traffic Trend
Technologyregister.com
cfa.org
LanguageEnglish
DR (Ahrefs)79
Total Keywords23,582
Referring Domains8,989
Domain Age23 yrs
Traffic (Jun 2026)4,661,047
Traffic Trend
Technologyregister.com
saintpatrickscathedral.org
LanguageEnglish
DR (Ahrefs)66
Total Keywords7,669
Referring Domains4,089
Domain Age24 yrs
Traffic (Jun 2026)3,245,937
Traffic Trend
Technology
costumesupercenter.com
Language
DR (Ahrefs)52
Total Keywords52,686
Referring Domains2,654
Domain Age20 yrs
Traffic (Jun 2026)1,975,810
Traffic Trend
Technology
barlouie.com
LanguageEnglish
DR (Ahrefs)59
Total Keywords11,662
Referring Domains2,789
Domain Age23 yrs
Traffic (Jun 2026)1,848,756
Traffic Trend
Technology
cityneighborhoods.nyc
LanguageEnglish
DR (Ahrefs)52
Total Keywords17,135
Referring Domains739
Domain Age10 yrs
Traffic (Jun 2026)1,529,387
Traffic Trend
Technology
studiomoviegrill.com
Language
DR (Ahrefs)59
Total Keywords12,858
Referring Domains2,593
Domain Age26 yrs
Traffic (Jun 2026)1,453,521
Traffic Trend
Technology
alexevenings.com
Language
DR (Ahrefs)40
Total Keywords21,095
Referring Domains581
Domain Age28 yrs
Traffic (Jun 2026)1,382,075
Traffic Trend
Technology
browardclerk.org
LanguageEnglish
DR (Ahrefs)63
Total Keywords15,152
Referring Domains1,856
Domain Age24 yrs
Traffic (Jun 2026)1,289,670
Traffic Trend
Technology
bbcicecream.com
Language
DR (Ahrefs)57
Total Keywords4,155
Referring Domains4,838
Domain Age21 yrs
Traffic (Jun 2026)1,236,197
Traffic Trend
Technology