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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 21,551,922 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 Location Market Share and Movement

Full Market Share Report

Technology	Won	Lost
Comodo SSL	303,015^*	13,715^*
GeoTrust SSL	142,413^*	1,008^*
GoDaddy SSL	82,780^*	4,357^*
DigiCert SSL	73,544^*	13,316^*
GlobalSign	73,427^*	7,154^*

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LetsEncrypt Competitors and Similar

Comodo SSL
4,521,845 live websites

DigiCert SSL
4,507,587 live websites

Starfield Technologies
3,178,904 live websites

GlobalSign
1,479,067 live websites

GoDaddy SSL
1,436,621 live websites

Thawte SSL
905,183 live websites

AlphaSSL
879,117 live websites

GeoTrust SSL
603,948 live websites

EssentialSSL
452,355 live websites

Trustwave SSL
105,274 live websites

Entrust SSL
77,229 live websites

Symantec VeriSign
68,259 live websites

Network Solutions SSL
39,255 live websites

GeoTrust EV
25,988 live websites SSL.com

SSL.com
20,087 live websites

StartSSL
19,639 live websites

Google SSL
15,446 live websites

Trend Micro SSL
146 live websites

Download Lead List

We know of at least 21,551,922 live websites using LetsEncrypt.

Site Totals

Total Live: 21,551,922
1,398,269 additional website redirects^?.
USA Live Sites: 6,957,299
Estimated

Top 1m: 33.57%
335,669
Top 100k: 29.53%
29,532
Top 10k: 28.99%
2,899

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