Is Certainly or Cybertrust Japan Co., Ltd. more popular?

Certainly is used by more websites in our catalog: 776 use Certainly and 192 use Cybertrust Japan Co., Ltd..

Does Certainly or Cybertrust Japan Co., Ltd. have higher-authority sites?

Cybertrust Japan Co., Ltd. sites have the higher median Ahrefs Domain Rating (Certainly: 63, Cybertrust Japan Co., Ltd.: 75).

Is Certainly or Cybertrust Japan Co., Ltd. growing faster?

Between 2026-06 and 2026-07, Certainly went from 0.12% to 0.09% of all tracked sites, while Cybertrust Japan Co., Ltd. went from 0.03% to 0.02%. Cybertrust Japan Co., Ltd. is gaining ground faster in our index.

Can a site use both Certainly and Cybertrust Japan Co., Ltd.?

No. A site runs a single SSL certificate authority, so Certainly and Cybertrust Japan Co., Ltd. are mutually exclusive.

Where does this Certainly vs Cybertrust Japan Co., Ltd. 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.

Certainly vs Cybertrust Japan Co., Ltd. — Site Stats Database

Certainly vs Cybertrust Japan Co., Ltd.

A side-by-side comparison of two ssl certificate authorities, based on the 842,065 SSL Authority sites tracked by Site Stats Database.

Last updated July 1, 2026

Metric	Certainly	Cybertrust Japan Co., Ltd.
Websites	776	192
Market share	0.09%	0.02%
Share of top 10K sites	0.67%	0.03%

Share of top 100K sites	0.21%	0.02%

Rank	#14	#26

Median DR	63	75

Average DR	58	75

Median keywords	1,634	298

Median referring domains	1,209	5,788

Median domain age	23 yrs	25 yrs

Average domain age	20 yrs	22 yrs

Average monthly traffic	695,346	46,465

Combined monthly traffic	539,588,145	8,921,306

akc.org
LanguageEnglish
DR (Ahrefs)90
Total Keywords655,094
Referring Domains78,973
Domain Age31 yrs
Traffic (Jun 2026)125,727,029
Traffic Trend
TechnologyCertainly
wikihow.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords5,580,639
Referring Domains404,808
Domain Age22 yrs
Traffic (Jun 2026)43,976,309
Traffic Trend
Technology
ubiehealth.com
LanguageEnglish
DR (Ahrefs)62
Total Keywords519,101
Referring Domains2,750
Domain Age4 yrs
Traffic (Jun 2026)31,668,228
Traffic Trend
Technology
ufc.com
LanguageEnglish
DR (Ahrefs)81
Total Keywords103,879
Referring Domains28,384
Domain Age31 yrs
Traffic (Jun 2026)18,875,616
Traffic Trend
TechnologyCertainly
bible.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords681,273
Referring Domains50,220
Domain Age31 yrs
Traffic (Jun 2026)17,974,483
Traffic Trend
TechnologyCertainly
bathandbodyworks.com
LanguageEnglish
DR (Ahrefs)77
Total Keywords89,451
Referring Domains23,742
Domain Age28 yrs
Traffic (Jun 2026)16,958,001
Traffic Trend
Technology
time.com
LanguageEnglish
DR (Ahrefs)92
Total Keywords1,667,220
Referring Domains590,607
Domain Age32 yrs
Traffic (Jun 2026)15,941,582
Traffic Trend
TechnologyCertainly
aad.org
LanguageEnglish
DR (Ahrefs)90
Total Keywords359,999
Referring Domains56,366
Domain Age30 yrs
Traffic (Jun 2026)15,847,168
Traffic Trend
TechnologyCertainly
yale.edu
LanguageEnglish
DR (Ahrefs)91
Total Keywords637,409
Referring Domains270,573
Domain Age39 yrs
Traffic (Jun 2026)14,257,045
Traffic Trend
TechnologyCertainly
arizona.edu
LanguageEnglish
DR (Ahrefs)90
Total Keywords497,891
Referring Domains140,110
Domain Age40 yrs
Traffic (Jun 2026)9,982,834
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
akc.org	English	90	655,094	78,973	31 yrs	125,727,029		Certainly

panasonic.com
Language
DR (Ahrefs)90
Total Keywords73,992
Referring Domains83,733
Domain Age36 yrs
Traffic (Jun 2026)1,420,377
Traffic Trend
TechnologyCybertrust Japan Co., Ltd.
yahoo.co.jp
LanguageJapanese
DR (Ahrefs)93
Total Keywords128,587
Referring Domains376,405
Domain Age6 yrs
Traffic (Jun 2026)1,352,299
Traffic Trend
Technology
www3.nhk.or.jp
Language
DR (Ahrefs)91
Total Keywords49,798
Referring Domains127,357
Domain Age12 yrs
Traffic (Jun 2026)1,224,170
Traffic Trend
Technology
ymobile.jp
LanguageJapanese
DR (Ahrefs)80
Total Keywords195
Referring Domains9,048
Domain Age12 yrs
Traffic (Jun 2026)936,400
Traffic Trend
TechnologyCybertrust Japan Co., Ltd.
gatsbyglobal.com
LanguageEnglish
DR (Ahrefs)39
Total Keywords16,055
Referring Domains1,577
Domain Age15 yrs
Traffic (Jun 2026)893,145
Traffic Trend
Technology
softbank.jp
LanguageJapanese
DR (Ahrefs)90
Total Keywords2,039
Referring Domains55,609
Domain Age25 yrs
Traffic (Jun 2026)623,599
Traffic Trend
Technology
npb.jp
LanguageJapanese
DR (Ahrefs)74
Total Keywords4,060
Referring Domains9,207
Domain Age25 yrs
Traffic (Jun 2026)333,707
Traffic Trend
TechnologyCybertrust Japan Co., Ltd.
livejapan.com
LanguageEnglish
DR (Ahrefs)72
Total Keywords56,385
Referring Domains9,157
Domain Age23 yrs
Traffic (Jun 2026)251,630
Traffic Trend
Technology
gurunavi.com
LanguageEnglish
DR (Ahrefs)71
Total Keywords6,998
Referring Domains22,614
Domain Age21 yrs
Traffic (Jun 2026)145,209
Traffic Trend
Technology
vaio.com
LanguageJapanese
DR (Ahrefs)71
Total Keywords8,855
Referring Domains5,840
Domain Age27 yrs
Traffic (Jun 2026)130,250
Traffic Trend
TechnologyCybertrust Japan Co., Ltd.