Is Amazon or Internet2 more popular?

Amazon is used by more websites in our catalog: 33,418 use Amazon and 978 use Internet2.

Does Amazon or Internet2 have higher-authority sites?

Internet2 sites have the higher median Ahrefs Domain Rating (Amazon: 52, Internet2: 76).

Is Amazon or Internet2 growing faster?

Between 2026-06 and 2026-07, Amazon went from 4.6% to 3.8% of all tracked sites, while Internet2 went from 0.16% to 0.11%. Internet2 is gaining ground faster in our index.

Can a site use both Amazon and Internet2?

No. A site runs a single SSL certificate authority, so Amazon and Internet2 are mutually exclusive.

Where does this Amazon vs Internet2 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 Internet2 — Site Stats Database

Amazon vs Internet2

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	Internet2
Websites	33,418	978
Market share	4.0%	0.12%
Share of top 10K sites	12%	1.5%

Rank	#4	#12

Median DR	52	76

Average DR	49	72

Median keywords	1,413	5,101

Median referring domains	960	2,226

Median domain age	18 yrs	34 yrs

Average domain age	18 yrs	31 yrs

Average monthly traffic	478,363	817,556

Combined monthly traffic	15,985,918,265	799,569,907

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

si.edu
LanguageEnglish
DR (Ahrefs)91
Total Keywords1,137,159
Referring Domains237,359
Domain Age34 yrs
Traffic (Jun 2026)60,547,423
Traffic Trend
TechnologyInternet2
cornell.edu
LanguageEnglish
DR (Ahrefs)92
Total Keywords1,692,749
Referring Domains372,628
Domain Age40 yrs
Traffic (Jun 2026)54,727,724
Traffic Trend
TechnologyInternet2
stanford.edu
LanguageEnglish
DR (Ahrefs)92
Total Keywords1,198,840
Referring Domains511,286
Domain Age40 yrs
Traffic (Jun 2026)45,915,915
Traffic Trend
Technology
ufl.edu
LanguageEnglish
DR (Ahrefs)90
Total Keywords855,336
Referring Domains184,301
Domain Age40 yrs
Traffic (Jun 2026)18,671,974
Traffic Trend
TechnologyInternet2
umn.edu
LanguageEnglish
DR (Ahrefs)91
Total Keywords872,046
Referring Domains243,227
Domain Age39 yrs
Traffic (Jun 2026)17,043,429
Traffic Trend
TechnologyInternet2
utah.edu
LanguageEnglish
DR (Ahrefs)89
Total Keywords710,042
Referring Domains124,764
Domain Age39 yrs
Traffic (Jun 2026)14,911,220
Traffic Trend
TechnologyInternet2
mdanderson.org
LanguageEnglish
DR (Ahrefs)83
Total Keywords351,124
Referring Domains36,497
Domain Age29 yrs
Traffic (Jun 2026)14,049,960
Traffic Trend
Technology
oregonstate.edu
LanguageEnglish
DR (Ahrefs)89
Total Keywords551,866
Referring Domains107,559
Domain Age27 yrs
Traffic (Jun 2026)13,045,470
Traffic Trend
Technology
illinois.edu
LanguageEnglish
DR (Ahrefs)90
Total Keywords781,195
Referring Domains165,621
Domain Age29 yrs
Traffic (Jun 2026)12,771,348
Traffic Trend
Technology
rutgers.edu
LanguageEnglish
DR (Ahrefs)90
Total Keywords402,403
Referring Domains132,809
Domain Age41 yrs
Traffic (Jun 2026)9,973,805
Traffic Trend
TechnologyInternet2