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Usage Statistics and Market Share of SSL Certificate Authorities for Websites, February 2026

Technologies > SSL Certificate Authorities

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This diagram shows the percentages of websites using various SSL certificate authorities. See technologies overview for explanations on the methodologies used in the surveys. Our reports are updated daily.

How to read the diagram:
2.8% of the websites use none of the SSL certificate authorities that we monitor.
Let’s Encrypt is used by 60.3% of all the websites, that is a SSL certificate authority market share of 63.7%.

None
2.8%
Invalid Domain
1.9%
Certificate Expired
0.7%
Unrecognized Authority
0.1%
Let’s Encrypt
60.3%
63.7%
GlobalSign
23.0%
24.3%
Sectigo
5.4%
5.7%
GoDaddy Group
3.6%
3.8%
DigiCert Group
1.8%
1.9%
Actalis
0.6%
0.7%
Certum
0.5%
0.6%
Secom Trust
0.3%
0.3%
W3Techs.com, 19 February 2026
absolute usage percentagemarket share
Percentages of websites using various SSL certificate authorities
Note: a website may use more than one SSL certificate authority

The following SSL certificate authorities have a market share of less than 0.1%

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