SSL Usage Distribution in the Top 1 Million Sites

Distribution for websites using SSL providers

Technology	Websites	%
SSL by Default	157,280	15.73
Comodo PositiveSSL	153,554	15.36
Comodo SSL	143,233	14.32
Cloudflare SSL	106,288	10.63
DigiCert SSL	100,122	10.01
LetsEncrypt	91,769	9.18
GoDaddy SSL	58,573	5.86
CPanel SSL	47,074	4.71
GeoTrust SSL	34,666	3.47
RapidSSL	33,776	3.38
GlobalSign	30,575	3.06
Comodo PositiveSSL Wildcard	20,609	2.06
Thawte SSL	14,370	1.44
AlphaSSL	13,940	1.39
EssentialSSL	12,490	1.25
Starfield Technologies	12,485	1.25
Comodo Essential SSL WildCard	7,801	0.78
Symantec VeriSign	6,032	0.6
Entrust SSL	5,497	0.55
Network Solutions SSL	4,002	0.4