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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 17,870,609 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	271,263^*	13,612^*
GeoTrust SSL	133,419^*	897^*
GoDaddy SSL	76,611^*	3,126^*
DigiCert SSL	66,945^*	12,861^*
GlobalSign	59,906^*	9,993^*

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LetsEncrypt Competitors and Similar

Comodo SSL
5,713,511 live websites

DigiCert SSL
4,189,713 live websites

Starfield Technologies
3,011,545 live websites

GlobalSign
1,843,791 live websites

GoDaddy SSL
1,365,250 live websites

Thawte SSL
798,784 live websites

AlphaSSL
798,276 live websites

GeoTrust SSL
634,412 live websites

EssentialSSL
474,899 live websites

Trustwave SSL
119,433 live websites

Entrust SSL
87,752 live websites

Symantec VeriSign
63,519 live websites

Network Solutions SSL
41,678 live websites

StartSSL
21,207 live websites

Google SSL
7,720 live websites

GeoTrust EV
334 live websites

Trend Micro SSL
162 live websites SSL.com

SSL.com
189 live websites

Download Lead List

We know of at least 17,870,609 live websites using LetsEncrypt.

Site Totals

Total Live: 17,870,609
1,732,821 additional website redirects^?.
USA Live Sites: 5,255,772
Estimated

Top 1m: 32.21%
322,115
Top 100k: 31.82%
31,818
Top 10k: 34.48%
3,448

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