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LetsEncrypt Usage Statistics

Top 10k

Top 100k

Top 1m

All Internet

Let’s Encrypt is a free open Certificate Authority.

https://letsencrypt.org

SSL Certificates · Root Authority

LetsEncrypt Customers

We know of 54,629,999 live websites using LetsEncrypt.

Download Lead List

LetsEncrypt Awards

2nd most popular in the United States in Root Authority category.
The most popular on the Entire Internet in Root Authority category.
The most popular in the Top 1 Million sites in Root Authority category.
2nd most popular in the Top 100k sites in Root Authority category.
3rd most popular in the Top 10k sites in Root Authority category.
The most popular in Czech Republic in Root Authority category.
The most popular in Iceland in Root Authority category.
The most popular in Palau in Root Authority category.
The most popular in Ukraine in Root Authority category.
The most popular in Canada in Root Authority category.
3rd most popular in the United States in SSL Certificates category.
2nd most popular on the Entire Internet in SSL Certificates category.
2nd most popular in the Top 1 Million sites in SSL Certificates category.
3rd most popular in the Top 100k sites in SSL Certificates category.
4th most popular in the Top 10k sites in SSL Certificates category.
The most popular in Palau in SSL Certificates category.
2nd most popular in Czech Republic in SSL Certificates category.
2nd most popular in Ukraine in SSL Certificates category.
2nd most popular in Belgium in SSL Certificates category.
2nd most popular in Iran in SSL Certificates category.

LetsEncrypt Competitors and Similar

DigiCert SSL
9,933,921 live websites

GoDaddy SSL
5,123,657 live websites

Thawte SSL
2,233,447 live websites

GlobalSign
2,190,015 live websites

Starfield Technologies
1,786,934 live websites

AlphaSSL
1,519,429 live websites

GeoTrust SSL
946,065 live websites

Comodo SSL
368,936 live websites

Network Solutions SSL
64,237 live websites

Trustwave SSL
56,486 live websites

Symantec VeriSign
51,545 live websites

Entrust SSL
51,461 live websites

SSL.com
42,924 live websites

GeoTrust EV
23,571 live websites

StartSSL
14,218 live websites

Google SSL
11,014 live websites

EssentialSSL
4,976 live websites

Trend Micro SSL
59 live websites

Download Lead List

We know of at least 54,629,999 live websites using LetsEncrypt.

Site Totals

Total Live: 54,629,999
4,003,937 additional website redirects^?.
USA Live Sites: 17,873,609
Estimated

Top 1m: 44.24%
442,357
Top 100k: 48.86%
48,855
Top 10k: 53.95%
5,395

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