Is co.jp or Mimecast more popular?

Mimecast is used by more websites in our catalog: 205 use co.jp and 11,342 use Mimecast.

Does co.jp or Mimecast have higher-authority sites?

co.jp sites have the higher median Ahrefs Domain Rating (co.jp: 60, Mimecast: 51).

Is co.jp or Mimecast growing faster?

Between 2026-06 and 2026-07, co.jp went from 0.03% to 0.02% of all tracked sites, while Mimecast went from 1.6% to 1.3%. co.jp is gaining ground faster in our index.

Can a site use both co.jp and Mimecast?

No. A site runs a single email host, so co.jp and Mimecast are mutually exclusive.

Where does this co.jp vs Mimecast 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.

co.jp vs Mimecast — Site Stats Database

co.jp vs Mimecast

A side-by-side comparison of two email hosting providers, based on the 736,999 Email Host sites tracked by Site Stats Database.

Last updated July 1, 2026

Metric	co.jp	Mimecast
Websites	205	11,342
Market share	0.03%	1.5%
Share of top 10K sites	0.01%	4.2%
Share of top 100K sites

Rank	#97	#8

Median DR	60	51

Average DR	59	48

Median keywords	145	2,113

Median referring domains	2,315	1,075

Median domain age	26 yrs	24 yrs

Average domain age	23 yrs	22 yrs

Average monthly traffic	19,427	372,032

Combined monthly traffic	3,982,522	4,219,586,311

yahoo.co.jp
LanguageJapanese
DR (Ahrefs)93
Total Keywords128,587
Referring Domains376,405
Domain Age6 yrs
Traffic (Jun 2026)1,352,299
Traffic Trend
Technologyco.jp
kinokuniya.com
Language
DR (Ahrefs)74
Total Keywords27,138
Referring Domains14,841
Domain Age31 yrs
Traffic (Jun 2026)676,555
Traffic Trend
Technology
nissan-global.com
LanguageEnglish
DR (Ahrefs)79
Total Keywords15,856
Referring Domains16,759
Domain Age25 yrs
Traffic (Jun 2026)500,792
Traffic Trend
Technology
gran-turismo.com
LanguageEnglish
DR (Ahrefs)73
Total Keywords7,411
Referring Domains15,247
Domain Age26 yrs
Traffic (Jun 2026)233,593
Traffic Trend
Technology
luft.co.jp
LanguageJapanese
DR (Ahrefs)64
Total Keywords14,422
Referring Domains2,475
Domain Age2 yrs
Traffic (Jun 2026)133,990
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
tokyotower.co.jp
Language
DR (Ahrefs)74
Total Keywords1,037
Referring Domains7,686
Domain Age28 yrs
Traffic (Jun 2026)73,535
Traffic Trend
Technology
libertywalk.co.jp
LanguageJapanese
DR (Ahrefs)56
Total Keywords7,875
Referring Domains3,025
Domain Age23 yrs
Traffic (Jun 2026)65,571
Traffic Trend
Technology
yomiuri.co.jp
LanguageJapanese
DR (Ahrefs)89
Total Keywords17,210
Referring Domains110,270
Domain Age31 yrs
Traffic (Jun 2026)52,047
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
yahoo.co.jp	Japanese	93	128,587	376,405	6 yrs	1,352,299		co.jp

clevelandclinic.org
LanguageEnglish
DR (Ahrefs)92
Total Keywords5,266,698
Referring Domains262,751
Domain Age28 yrs
Traffic (Jun 2026)536,244,433
Traffic Trend
TechnologyMimecast
cambridge.org
Language
DR (Ahrefs)92
Total Keywords4,651,462
Referring Domains357,733
Domain Age28 yrs
Traffic (Jun 2026)527,148,452
Traffic Trend
Technology
nfl.com
LanguageEnglish
DR (Ahrefs)89
Total Keywords947,630
Referring Domains147,040
Domain Age30 yrs
Traffic (Jun 2026)275,712,888
Traffic Trend
TechnologyMimecast
gettyimages.com
LanguageEnglish
DR (Ahrefs)89
Total Keywords5,589,590
Referring Domains272,498
Domain Age27 yrs
Traffic (Jun 2026)146,264,162
Traffic Trend
Technology
istockphoto.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords4,131,936
Referring Domains1,685,041
Domain Age26 yrs
Traffic (Jun 2026)127,970,606
Traffic Trend
Technology
cvs.com
LanguageEnglish
DR (Ahrefs)84
Total Keywords1,535,152
Referring Domains55,537
Domain Age30 yrs
Traffic (Jun 2026)71,302,734
Traffic Trend
TechnologyMimecast
forbes.com
LanguageEnglish
DR (Ahrefs)94
Total Keywords5,061,816
Referring Domains1,192,610
Domain Age33 yrs
Traffic (Jun 2026)69,613,575
Traffic Trend
Technology
weatherbug.com
LanguageEnglish
DR (Ahrefs)77
Total Keywords780,575
Referring Domains11,435
Domain Age26 yrs
Traffic (Jun 2026)66,263,733
Traffic Trend
Technology
petmd.com
LanguageEnglish
DR (Ahrefs)85
Total Keywords827,963
Referring Domains49,308
Domain Age28 yrs
Traffic (Jun 2026)60,196,625
Traffic Trend
TechnologyMimecast
autozone.com
Language
DR (Ahrefs)78
Total Keywords1,406,463
Referring Domains30,776
Domain Age30 yrs
Traffic (Jun 2026)52,596,499
Traffic Trend
Technology