What is the best alternative to Japan Registry Services Co., Ltd.?

By number of websites, the most widely used alternatives to Japan Registry Services Co., Ltd. are Let's Encrypt, Google Trust Services, DigiCert, Amazon, Sectigo. The right one depends on your needs; compare them on adoption, authority, and audience above.

How many alternatives to Japan Registry Services Co., Ltd. are there?

Site Stats Database tracks 33 other ssl certificate authorities used by 100 or more websites, plus a long tail of rarer ones. Japan Registry Services Co., Ltd. itself is used by 194 websites.

Which SSL certificate authority has the most websites?

Let's Encrypt leads this category with 466,882 websites in our catalog.

Where does this data come from?

Adoption is counted from Site Stats Database's own crawl; authority (Ahrefs Domain Rating) and traffic come from Ahrefs and DataForSEO. Everything reflects the sites we track and refreshes at least monthly.

Japan Registry Services Co., Ltd. Alternatives & Competitors

Last updated July 1, 2026 · refreshes automatically as new data lands.

Looking for an alternative to Japan Registry Services Co., Ltd.? Site Stats Database tracks 33 other ssl certificate authorities; the top ones are below, ranked by adoption, with authority and traffic for each and the leading sites that use them. Japan Registry Services Co., Ltd. itself is used by 194 websites. Back to Japan Registry Services Co., Ltd..

SSL Authority	Websites	Share	Median DR	Median traffic

Japan Registry Services Co., Ltd. (this page)	194	0.0%	59	852	-
Let's Encrypt	466,882	55.4%	23	3,963	Japan Registry Services Co., Ltd. vs Let's Encrypt
Google Trust Services	228,244	27.1%	30	4,528	Japan Registry Services Co., Ltd. vs Google Trust Services
DigiCert	35,062	4.2%	53	7,670	Japan Registry Services Co., Ltd. vs DigiCert
Amazon	33,418	4.0%	52	9,063	Japan Registry Services Co., Ltd. vs Amazon
Sectigo	27,172	3.2%	38	3,542	Japan Registry Services Co., Ltd. vs Sectigo
GoDaddy	23,677	2.8%	25	3,960	Japan Registry Services Co., Ltd. vs GoDaddy
GlobalSign	5,990	0.7%	59	4,241	Japan Registry Services Co., Ltd. vs GlobalSign
Starfield Technologies, Inc.	4,290	0.5%	34	6,954	Japan Registry Services Co., Ltd. vs Starfield Technologies, Inc.
ZeroSSL	2,425	0.3%	23	3,764	Japan Registry Services Co., Ltd. vs ZeroSSL
Entrust	1,619	0.2%	70	18,903	Japan Registry Services Co., Ltd. vs Entrust
Hellenic Academic and Research Institutions CA	1,161	0.1%	75	2,324	Japan Registry Services Co., Ltd. vs Hellenic Academic and Research Institutions CA
Internet2	978	0.1%	76	87,410	Japan Registry Services Co., Ltd. vs Internet2
Cloudflare	888	0.1%	27	3,908	Japan Registry Services Co., Ltd. vs Cloudflare
Certainly	776	0.1%	63	10,881	Japan Registry Services Co., Ltd. vs Certainly
Network Solutions L.L.C.	667	0.1%	33	8,695	Japan Registry Services Co., Ltd. vs Network Solutions L.L.C.
Actalis	585	0.1%	27	1,169	Japan Registry Services Co., Ltd. vs Actalis
Certum	579	0.1%	55	1,275	Japan Registry Services Co., Ltd. vs Certum
Gandi SAS	496	0.1%	60	2,821	Japan Registry Services Co., Ltd. vs Gandi SAS
GoGetSSL	449	0.1%	43	2,288	Japan Registry Services Co., Ltd. vs GoGetSSL
Corporation Service Company	397	0.0%	61	14,046	Japan Registry Services Co., Ltd. vs Corporation Service Company
Starfield Technologies	373	0.0%	24	4,756	Japan Registry Services Co., Ltd. vs Starfield Technologies
Microsoft	348	0.0%	92	5,039	Japan Registry Services Co., Ltd. vs Microsoft
Network Solutions, LLC	309	0.0%	25	5,568	Japan Registry Services Co., Ltd. vs Network Solutions, LLC
SSL.com	304	0.0%	40	5,888	Japan Registry Services Co., Ltd. vs SSL.com
Cybertrust Japan Co., Ltd.	192	0.0%	75	1,425	Japan Registry Services Co., Ltd. vs Cybertrust Japan Co., Ltd.
New Dream Network LLC dba Dreamhost	176	0.0%	18	2,033	Japan Registry Services Co., Ltd. vs New Dream Network LLC dba Dreamhost
Gandi	163	0.0%	59	3,362	Japan Registry Services Co., Ltd. vs Gandi
TrustAsia Technologies, Inc.	150	0.0%	31	2,897	Japan Registry Services Co., Ltd. vs TrustAsia Technologies, Inc.
PerfectSSL	141	0.0%	32	1,704	Japan Registry Services Co., Ltd. vs PerfectSSL
eMudhra Technologies Limited	128	0.0%	71	3,238	Japan Registry Services Co., Ltd. vs eMudhra Technologies Limited
home.pl S.A.	119	0.0%	39	1,058	Japan Registry Services Co., Ltd. vs home.pl S.A.
SwissSign AG	116	0.0%	73	2,051	Japan Registry Services Co., Ltd. vs SwissSign AG
InCommon, LLC	110	0.0%	73	55,842	Japan Registry Services Co., Ltd. vs InCommon, LLC

Japan Registry Services Co., Ltd. Alternatives & Competitors

The top Japan Registry Services Co., Ltd. alternatives in depth

Let's Encrypt

Google Trust Services

DigiCert

Amazon

Sectigo

GoDaddy

GlobalSign

Starfield Technologies, Inc.

ZeroSSL

Entrust

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