Is Corporation Service Company or Let's Encrypt more popular?

Let's Encrypt is used by more websites in our catalog: 397 use Corporation Service Company and 466,882 use Let's Encrypt.

Does Corporation Service Company or Let's Encrypt have higher-authority sites?

Corporation Service Company sites have the higher median Ahrefs Domain Rating (Corporation Service Company: 61, Let's Encrypt: 23).

Is Corporation Service Company or Let's Encrypt growing faster?

Between 2026-06 and 2026-07, Corporation Service Company went from 0.06% to 0.05% of all tracked sites, while Let's Encrypt went from 59% to 53%. Corporation Service Company is gaining ground faster in our index.

Can a site use both Corporation Service Company and Let's Encrypt?

No. A site runs a single SSL certificate authority, so Corporation Service Company and Let's Encrypt are mutually exclusive.

Where does this Corporation Service Company vs Let's Encrypt data come from?

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.

Corporation Service Company vs Let's Encrypt — Site Stats Database

Corporation Service Company vs Let's Encrypt

A side-by-side comparison of two ssl certificate authorities, based on the 842,065 SSL Authority sites tracked by Site Stats Database.

Last updated July 1, 2026

Metric	Corporation Service Company	Let's Encrypt
Websites	397	466,882
Market share	0.05%	55%
Share of top 10K sites	0.17%	30%

Share of top 100K sites	0.11%	44%

Rank	#20	#1

Median DR	61	23

Average DR	57	27

Median keywords	1,698	849

Median referring domains	1,414	270

Median domain age	27 yrs	12 yrs

Average domain age	24 yrs	14 yrs

Average monthly traffic	203,949	108,181

Combined monthly traffic	80,967,607	50,507,691,242

kidshealth.org
LanguageEnglish
DR (Ahrefs)87
Total Keywords792,583
Referring Domains79,785
Domain Age30 yrs
Traffic (Jun 2026)10,928,111
Traffic Trend
TechnologyCorporation Service Company
lafitness.com
Language
DR (Ahrefs)69
Total Keywords55,775
Referring Domains11,499
Domain Age29 yrs
Traffic (Jun 2026)5,058,650
Traffic Trend
TechnologyCorporation Service Company
coldwellbankerhomes.com
LanguageEnglish
DR (Ahrefs)83
Total Keywords449,225
Referring Domains32,193
Domain Age28 yrs
Traffic (Jun 2026)4,464,366
Traffic Trend
Technology
safelite.com
LanguageEnglish
DR (Ahrefs)71
Total Keywords53,974
Referring Domains3,920
Domain Age30 yrs
Traffic (Jun 2026)4,280,679
Traffic Trend
TechnologyCorporation Service Company
sothebysrealty.com
LanguageEnglish
DR (Ahrefs)83
Total Keywords336,576
Referring Domains21,200
Domain Age28 yrs
Traffic (Jun 2026)4,042,059
Traffic Trend
TechnologyCorporation Service Company
aquasana.com
LanguageEnglish
DR (Ahrefs)72
Total Keywords26,188
Referring Domains4,000
Domain Age26 yrs
Traffic (Jun 2026)3,869,287
Traffic Trend
TechnologyCorporation Service Company
travelex.co.uk
LanguageEnglish
DR (Ahrefs)61
Total Keywords21,692
Referring Domains2,917
Domain Age29 yrs
Traffic (Jun 2026)3,845,793
Traffic Trend
TechnologyCorporation Service Company
art.com
LanguageEnglish
DR (Ahrefs)76
Total Keywords183,919
Referring Domains25,709
Domain Age27 yrs
Traffic (Jun 2026)3,573,144
Traffic Trend
TechnologyCorporation Service Company
nypl.org
Language
DR (Ahrefs)86
Total Keywords147,830
Referring Domains65,085
Domain Age35 yrs
Traffic (Jun 2026)3,250,346
Traffic Trend
TechnologyCorporation Service Company
toryburch.com
LanguageEnglish
DR (Ahrefs)74
Total Keywords75,949
Referring Domains17,294
Domain Age22 yrs
Traffic (Jun 2026)3,179,033
Traffic Trend
TechnologyCorporation Service Company

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
kidshealth.org	English	87	792,583	79,785	30 yrs	10,928,111		Corporation Service Company

wikipedia.org
LanguageEnglish
DR (Ahrefs)97
Total Keywords61,690,521
Referring Domains6,594,435
Domain Age25 yrs
Traffic (Jun 2026)11,208,499,330
Traffic Trend
TechnologyLet's Encrypt
x.com
LanguageEnglish
DR (Ahrefs)97
Total Keywords15,888,487
Referring Domains4,249,759
Domain Age33 yrs
Traffic (Jun 2026)354,173,918
Traffic Trend
TechnologyLet's Encrypt
nfl.com
LanguageEnglish
DR (Ahrefs)89
Total Keywords947,630
Referring Domains147,040
Domain Age30 yrs
Traffic (Jun 2026)275,712,888
Traffic Trend
TechnologyLet's Encrypt
nba.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords758,560
Referring Domains186,338
Domain Age31 yrs
Traffic (Jun 2026)239,244,892
Traffic Trend
TechnologyLet's Encrypt
stock.adobe.com
Language
DR (Ahrefs)96
Total Keywords3,301,936
Referring Domains116,531
Domain Age39 yrs
Traffic (Jun 2026)225,699,793
Traffic Trend
TechnologyLet's Encrypt
weather.gov
LanguageEnglish
DR (Ahrefs)91
Total Keywords1,098,961
Referring Domains132,221
Domain Age27 yrs
Traffic (Jun 2026)221,232,646
Traffic Trend
TechnologyLet's Encrypt
expedia.com
Language
DR (Ahrefs)90
Total Keywords4,797,516
Referring Domains112,144
Domain Age30 yrs
Traffic (Jun 2026)208,730,561
Traffic Trend
TechnologyLet's Encrypt
target.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords10,174,393
Referring Domains208,795
Domain Age29 yrs
Traffic (Jun 2026)204,573,119
Traffic Trend
TechnologyLet's Encrypt
vocabulary.com
LanguageEnglish
DR (Ahrefs)81
Total Keywords2,454,757
Referring Domains42,680
Domain Age29 yrs
Traffic (Jun 2026)192,093,469
Traffic Trend
TechnologyLet's Encrypt
allrecipes.com
Language
DR (Ahrefs)89
Total Keywords3,491,845
Referring Domains151,904
Domain Age27 yrs
Traffic (Jun 2026)166,334,891
Traffic Trend
TechnologyLet's Encrypt