Is Amazon or DigiCert more popular?

DigiCert is used by more websites in our catalog: 33,418 use Amazon and 35,062 use DigiCert.

Does Amazon or DigiCert have higher-authority sites?

DigiCert sites have the higher median Ahrefs Domain Rating (Amazon: 52, DigiCert: 53).

Is Amazon or DigiCert growing faster?

Between 2026-06 and 2026-07, Amazon went from 4.6% to 3.8% of all tracked sites, while DigiCert went from 5.3% to 4.0%. Amazon is gaining ground faster in our index.

Can a site use both Amazon and DigiCert?

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

Where does this Amazon 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.

Amazon vs DigiCert — Site Stats Database

Amazon 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	Amazon	DigiCert
Websites	33,418	35,062
Market share	4.0%	4.2%
Share of top 10K sites	12%	13%

Rank	#4	#3

Median DR	52	53

Average DR	49	50

Median keywords	1,413	1,162

Median referring domains	960	869

Median domain age	18 yrs	22 yrs

Average domain age	18 yrs	21 yrs

Average monthly traffic	478,363	899,101

Combined monthly traffic	15,985,918,265	31,524,291,463

imdb.com
LanguageEnglish
DR (Ahrefs)94
Total Keywords12,598,022
Referring Domains947,689
Domain Age30 yrs
Traffic (Jun 2026)2,387,444,775
Traffic Trend
TechnologyAmazon
merriam-webster.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords4,579,269
Referring Domains240,838
Domain Age27 yrs
Traffic (Jun 2026)1,467,281,883
Traffic Trend
Technology
tripadvisor.com
Language
DR (Ahrefs)93
Total Keywords19,082,439
Referring Domains616,832
Domain Age27 yrs
Traffic (Jun 2026)1,109,161,006
Traffic Trend
Technology
britannica.com
LanguageEnglish
DR (Ahrefs)92
Total Keywords9,553,813
Referring Domains512,902
Domain Age31 yrs
Traffic (Jun 2026)511,620,010
Traffic Trend
Technology
zillow.com
LanguageEnglish
DR (Ahrefs)92
Total Keywords4,129,056
Referring Domains181,223
Domain Age21 yrs
Traffic (Jun 2026)275,243,255
Traffic Trend
TechnologyAmazon
mapquest.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords26,333,561
Referring Domains116,999
Domain Age30 yrs
Traffic (Jun 2026)253,392,926
Traffic Trend
Technology
healthline.com
LanguageEnglish
DR (Ahrefs)92
Total Keywords7,041,614
Referring Domains458,961
Domain Age21 yrs
Traffic (Jun 2026)220,346,497
Traffic Trend
Technology
ck12.org
Language
DR (Ahrefs)75
Total Keywords1,559,871
Referring Domains17,813
Domain Age19 yrs
Traffic (Jun 2026)197,520,503
Traffic Trend
TechnologyAmazon
realtor.com
Language
DR (Ahrefs)91
Total Keywords3,586,966
Referring Domains110,593
Domain Age30 yrs
Traffic (Jun 2026)136,568,033
Traffic Trend
TechnologyAmazon
istockphoto.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords4,131,936
Referring Domains1,685,041
Domain Age26 yrs
Traffic (Jun 2026)127,970,606
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
imdb.com	English	94	12,598,022	947,689	30 yrs	2,387,444,775		Amazon

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
TechnologyDigiCert
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
TechnologyDigiCert
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
TechnologyDigiCert
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