Is Cloudflare or DigiCert more popular?

DigiCert is used by more websites in our catalog: 888 use Cloudflare and 35,062 use DigiCert.

Does Cloudflare or DigiCert have higher-authority sites?

DigiCert sites have the higher median Ahrefs Domain Rating (Cloudflare: 27, DigiCert: 53).

Is Cloudflare or DigiCert growing faster?

Between 2026-06 and 2026-07, Cloudflare went from 0.12% to 0.10% of all tracked sites, while DigiCert went from 5.3% to 4.0%. Cloudflare is gaining ground faster in our index.

Can a site use both Cloudflare and DigiCert?

No. A site runs a single SSL certificate authority, so Cloudflare and DigiCert are mutually exclusive.

Where does this Cloudflare vs DigiCert 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.

Cloudflare vs DigiCert — Site Stats Database

Cloudflare vs DigiCert

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	Cloudflare	DigiCert
Websites	888	35,062
Market share	0.11%	4.2%
Share of top 10K sites	0.19%	13%

Rank	#13	#3

Median DR	27	53

Average DR	31	50

Median keywords	832	1,162

Median referring domains	351	869

Median domain age	14 yrs	22 yrs

Average domain age	15 yrs	21 yrs

Average monthly traffic	121,412	899,101

Combined monthly traffic	107,814,215	31,524,291,463

worldatlas.com
LanguageEnglish
DR (Ahrefs)83
Total Keywords1,154,249
Referring Domains83,353
Domain Age30 yrs
Traffic (Jun 2026)25,631,671
Traffic Trend
TechnologyCloudflare
carrier.com
LanguageEnglish
DR (Ahrefs)84
Total Keywords109,462
Referring Domains20,061
Domain Age30 yrs
Traffic (Jun 2026)6,502,261
Traffic Trend
Technology
visa.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords104,842
Referring Domains67,229
Domain Age32 yrs
Traffic (Jun 2026)6,433,458
Traffic Trend
TechnologyCloudflare
nmaahc.si.edu
Language
DR (Ahrefs)91
Total Keywords63,346
Referring Domains27,403
Domain Age34 yrs
Traffic (Jun 2026)5,188,883
Traffic Trend
Technology
biologyonline.com
LanguageEnglish
DR (Ahrefs)72
Total Keywords206,401
Referring Domains11,428
Domain Age27 yrs
Traffic (Jun 2026)4,864,746
Traffic Trend
Technology
ocean.si.edu
LanguageEnglish
DR (Ahrefs)91
Total Keywords76,961
Referring Domains11,637
Domain Age34 yrs
Traffic (Jun 2026)4,206,621
Traffic Trend
Technology
99restaurants.com
LanguageEnglish
DR (Ahrefs)55
Total Keywords29,878
Referring Domains2,297
Domain Age28 yrs
Traffic (Jun 2026)4,081,333
Traffic Trend
Technology
bestwordlist.com
LanguageEnglish
DR (Ahrefs)42
Total Keywords124,340
Referring Domains2,383
Domain Age13 yrs
Traffic (Jun 2026)3,733,167
Traffic Trend
Technology
americanhistory.si.edu
LanguageEnglish
DR (Ahrefs)91
Total Keywords150,962
Referring Domains35,692
Domain Age34 yrs
Traffic (Jun 2026)2,955,660
Traffic Trend
Technology
bryant.com
LanguageEnglish
DR (Ahrefs)75
Total Keywords52,483
Referring Domains2,766
Domain Age29 yrs
Traffic (Jun 2026)1,995,503
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
worldatlas.com	English	83	1,154,249	83,353	30 yrs	25,631,671		Cloudflare

reddit.com
Language
DR (Ahrefs)95
Total Keywords108,484,703
Referring Domains1,816,031
Domain Age21 yrs
Traffic (Jun 2026)4,801,167,771
Traffic Trend
TechnologyDigiCert
facebook.com
LanguageEnglish
DR (Ahrefs)100
Total Keywords130,296,472
Referring Domains37,387,092
Domain Age29 yrs
Traffic (Jun 2026)3,317,277,661
Traffic Trend
Technology
instagram.com
LanguageEnglish
DR (Ahrefs)100
Total Keywords103,652,284
Referring Domains25,257,813
Domain Age22 yrs
Traffic (Jun 2026)2,566,799,220
Traffic Trend
Technology
amazon.com
LanguageEnglish
DR (Ahrefs)96
Total Keywords45,669,286
Referring Domains3,247,160
Domain Age31 yrs
Traffic (Jun 2026)2,401,671,408
Traffic Trend
Technology
yelp.com
Language
DR (Ahrefs)94
Total Keywords34,240,481
Referring Domains773,122
Domain Age22 yrs
Traffic (Jun 2026)1,590,167,976
Traffic Trend
TechnologyDigiCert
pinterest.com
LanguageEnglish
DR (Ahrefs)97
Total Keywords36,716,308
Referring Domains7,554,973
Domain Age16 yrs
Traffic (Jun 2026)893,101,946
Traffic Trend
Technology
yahoo.com
LanguageEnglish
DR (Ahrefs)94
Total Keywords23,561,825
Referring Domains2,118,636
Domain Age31 yrs
Traffic (Jun 2026)639,658,909
Traffic Trend
Technology
rottentomatoes.com
LanguageEnglish
DR (Ahrefs)87
Total Keywords4,123,803
Referring Domains130,919
Domain Age27 yrs
Traffic (Jun 2026)626,896,769
Traffic Trend
Technology
weather.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords1,156,559
Referring Domains130,903
Domain Age31 yrs
Traffic (Jun 2026)560,457,254
Traffic Trend
Technology
spotify.com
LanguageEnglish
DR (Ahrefs)95
Total Keywords7,485,298
Referring Domains1,649,815
Domain Age20 yrs
Traffic (Jun 2026)505,668,332
Traffic Trend
Technology