Is Cybertrust Japan Co., Ltd. or Let's Encrypt more popular?

Let's Encrypt is used by more websites in our catalog: 192 use Cybertrust Japan Co., Ltd. and 466,882 use Let's Encrypt.

Does Cybertrust Japan Co., Ltd. or Let's Encrypt have higher-authority sites?

Cybertrust Japan Co., Ltd. sites have the higher median Ahrefs Domain Rating (Cybertrust Japan Co., Ltd.: 75, Let's Encrypt: 23).

Is Cybertrust Japan Co., Ltd. or Let's Encrypt growing faster?

Between 2026-06 and 2026-07, Cybertrust Japan Co., Ltd. went from 0.03% to 0.02% of all tracked sites, while Let's Encrypt went from 59% to 53%. Cybertrust Japan Co., Ltd. is gaining ground faster in our index.

Can a site use both Cybertrust Japan Co., Ltd. and Let's Encrypt?

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

Where does this Cybertrust Japan Co., Ltd. vs Let's Encrypt 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.

Cybertrust Japan Co., Ltd. vs Let's Encrypt — Site Stats Database

Cybertrust Japan Co., Ltd. vs Let's Encrypt

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	Cybertrust Japan Co., Ltd.	Let's Encrypt
Websites	192	466,882
Market share	0.02%	55%
Share of top 10K sites	0.03%	30%

Share of top 100K sites	0.02%	44%

Rank	#26	#1

Median DR	75	23

Average DR	75	27

Median keywords	298	849

Median referring domains	5,788	270

Median domain age	25 yrs	12 yrs

Average domain age	22 yrs	14 yrs

Average monthly traffic	46,465	108,181

Combined monthly traffic	8,921,306	50,507,691,242

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.

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
panasonic.com		90	73,992	83,733	36 yrs	1,420,377		Cybertrust Japan Co., Ltd.

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
TechnologyLet's Encrypt
x.com
LanguageEnglish
DR (Ahrefs)97
Total Keywords15,888,487
Referring Domains4,249,759
Domain Age33 yrs
Traffic (Jun 2026)354,173,918
Traffic Trend
TechnologyLet's Encrypt
nfl.com
LanguageEnglish
DR (Ahrefs)89
Total Keywords947,630
Referring Domains147,040
Domain Age30 yrs
Traffic (Jun 2026)275,712,888
Traffic Trend
TechnologyLet's Encrypt
nba.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords758,560
Referring Domains186,338
Domain Age31 yrs
Traffic (Jun 2026)239,244,892
Traffic Trend
TechnologyLet's Encrypt
stock.adobe.com
Language
DR (Ahrefs)96
Total Keywords3,301,936
Referring Domains116,531
Domain Age39 yrs
Traffic (Jun 2026)225,699,793
Traffic Trend
Technology
weather.gov
LanguageEnglish
DR (Ahrefs)91
Total Keywords1,098,961
Referring Domains132,221
Domain Age27 yrs
Traffic (Jun 2026)221,232,646
Traffic Trend
Technology
expedia.com
Language
DR (Ahrefs)90
Total Keywords4,797,516
Referring Domains112,144
Domain Age30 yrs
Traffic (Jun 2026)208,730,561
Traffic Trend
Technology
target.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords10,174,393
Referring Domains208,795
Domain Age29 yrs
Traffic (Jun 2026)204,573,119
Traffic Trend
Technology
vocabulary.com
LanguageEnglish
DR (Ahrefs)81
Total Keywords2,454,757
Referring Domains42,680
Domain Age29 yrs
Traffic (Jun 2026)192,093,469
Traffic Trend
Technology
allrecipes.com
Language
DR (Ahrefs)89
Total Keywords3,491,845
Referring Domains151,904
Domain Age27 yrs
Traffic (Jun 2026)166,334,891
Traffic Trend
Technology