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Looking for an alternative to Sectigo? 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. Sectigo itself is used by 27,172 websites. Back to Sectigo.
| SSL Authority | Websites | Share | Median DR | Median traffic | Compare |
|---|---|---|---|---|---|
| Sectigo (this page) |
| 27,172 |
| 3.2% |
| 38 |
| 3,542 |
| - |
| Let's Encrypt | 466,882 | 55.4% | 23 | 3,963 | Sectigo vs Let's Encrypt |
| Google Trust Services | 228,244 | 27.1% | 30 | 4,528 | Sectigo vs Google Trust Services |
| DigiCert | 35,062 | 4.2% | 53 | 7,670 | Sectigo vs DigiCert |
| Amazon | 33,418 | 4.0% | 52 | 9,063 | Sectigo vs Amazon |
| GoDaddy | 23,677 | 2.8% | 25 | 3,960 | Sectigo vs GoDaddy |
| GlobalSign | 5,990 | 0.7% | 59 | 4,241 | Sectigo vs GlobalSign |
| Starfield Technologies, Inc. | 4,290 | 0.5% | 34 | 6,954 | Sectigo vs Starfield Technologies, Inc. |
| ZeroSSL | 2,425 | 0.3% | 23 | 3,764 | Sectigo vs ZeroSSL |
| Entrust | 1,619 | 0.2% | 70 | 18,903 | Sectigo vs Entrust |
| Hellenic Academic and Research Institutions CA | 1,161 | 0.1% | 75 | 2,324 | Sectigo vs Hellenic Academic and Research Institutions CA |
| Internet2 | 978 | 0.1% | 76 | 87,410 | Sectigo vs Internet2 |
| Cloudflare | 888 | 0.1% | 27 | 3,908 | Sectigo vs Cloudflare |
| Certainly | 776 | 0.1% | 63 | 10,881 | Sectigo vs Certainly |
| Network Solutions L.L.C. | 667 | 0.1% | 33 | 8,695 | Sectigo vs Network Solutions L.L.C. |
| Actalis | 585 | 0.1% | 27 | 1,169 | Sectigo vs Actalis |
| Certum | 579 | 0.1% | 55 | 1,275 | Sectigo vs Certum |
| Gandi SAS | 496 | 0.1% | 60 | 2,821 | Sectigo vs Gandi SAS |
| GoGetSSL | 449 | 0.1% | 43 | 2,288 | Sectigo vs GoGetSSL |
| Corporation Service Company | 397 | 0.0% | 61 | 14,046 | Sectigo vs Corporation Service Company |
| Starfield Technologies | 373 | 0.0% | 24 | 4,756 | Sectigo vs Starfield Technologies |
| Microsoft | 348 | 0.0% | 92 | 5,039 | Sectigo vs Microsoft |
| Network Solutions, LLC | 309 | 0.0% | 25 | 5,568 | Sectigo vs Network Solutions, LLC |
| SSL.com | 304 | 0.0% | 40 | 5,888 | Sectigo vs SSL.com |
| Japan Registry Services Co., Ltd. | 194 | 0.0% | 59 | 852 | Sectigo vs Japan Registry Services Co., Ltd. |
| Cybertrust Japan Co., Ltd. | 192 | 0.0% | 75 | 1,425 | Sectigo vs Cybertrust Japan Co., Ltd. |
| New Dream Network LLC dba Dreamhost | 176 | 0.0% | 18 | 2,033 | Sectigo vs New Dream Network LLC dba Dreamhost |
| Gandi | 163 | 0.0% | 59 | 3,362 | Sectigo vs Gandi |
| TrustAsia Technologies, Inc. | 150 | 0.0% | 31 | 2,897 | Sectigo vs TrustAsia Technologies, Inc. |
| PerfectSSL | 141 | 0.0% | 32 | 1,704 | Sectigo vs PerfectSSL |
| eMudhra Technologies Limited | 128 | 0.0% | 71 | 3,238 | Sectigo vs eMudhra Technologies Limited |
| home.pl S.A. | 119 | 0.0% | 39 | 1,058 | Sectigo vs home.pl S.A. |
| SwissSign AG | 116 | 0.0% | 73 | 2,051 | Sectigo vs SwissSign AG |
| InCommon, LLC | 110 | 0.0% | 73 | 55,842 | Sectigo vs InCommon, LLC |
466,882
Websites
55.4%
Share of SSL Authority
23
Median DR
3,963
Median traffic
Top sites using Let's Encrypt
228,244
Websites
27.1%
Share of SSL Authority
30
Median DR
4,528
Median traffic
Top sites using Google Trust Services
35,062
Websites
4.2%
Share of SSL Authority
53
Median DR
7,670
Median traffic
Top sites using DigiCert
33,418
Websites
4.0%
Share of SSL Authority
52
Median DR
9,063
Median traffic
Top sites using Amazon
GoDaddy is a large domain registrar and web-hosting company.
23,677
Websites
2.8%
Share of SSL Authority
25
Median DR
3,960
Median traffic
Top sites using GoDaddy
5,990
Websites
0.7%
Share of SSL Authority
59
Median DR
4,241
Median traffic
Top sites using GlobalSign
4,290
Websites
0.5%
Share of SSL Authority
34
Median DR
6,954
Median traffic
Top sites using Starfield Technologies, Inc.
2,425
Websites
0.3%
Share of SSL Authority
23
Median DR
3,764
Median traffic
Top sites using ZeroSSL
1,619
Websites
0.2%
Share of SSL Authority
70
Median DR
18,903
Median traffic
Top sites using Entrust
1,161
Websites
0.1%
Share of SSL Authority
75
Median DR
2,324
Median traffic
By number of websites, the most widely used alternatives to Sectigo are Let's Encrypt, Google Trust Services, DigiCert, Amazon, GoDaddy. The right one depends on your needs; compare them on adoption, authority, and audience above.
Site Stats Database tracks 33 other ssl certificate authorities used by 100 or more websites, plus a long tail of rarer ones. Sectigo itself is used by 27,172 websites.
Let's Encrypt leads this category with 466,882 websites in our catalog.
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.
Citation
Site Stats Database. "Sectigo Alternatives & Competitors." Site Stats Database, July 1, 2026. https://sitestatsdb.com/technologies/ssl-certificates/sectigo/alternatives
Site Stats Database tracks every SSL certificate authority with full monthly traffic history, authority, keywords, referring domains, and the complete detected tech stack. Filter, compare, and export the data.
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