Is Internet2 or SSL.com more popular?

Internet2 is used by more websites in our catalog: 978 use Internet2 and 304 use SSL.com.

Does Internet2 or SSL.com have higher-authority sites?

Internet2 sites have the higher median Ahrefs Domain Rating (Internet2: 76, SSL.com: 40).

Is Internet2 or SSL.com growing faster?

Between 2026-06 and 2026-07, Internet2 went from 0.16% to 0.11% of all tracked sites, while SSL.com went from 0.04% to 0.03%. SSL.com is gaining ground faster in our index.

Can a site use both Internet2 and SSL.com?

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

Where does this Internet2 vs SSL.com 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.

Internet2 vs SSL.com — Site Stats Database

Internet2 vs SSL.com

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	Internet2	SSL.com
Websites	978	304
Market share	0.12%	0.04%
Share of top 10K sites	1.5%	0.03%

Rank	#12	#24

Median DR	76	40

Average DR	72	40

Median keywords	5,101	1,162

Median referring domains	2,226	638

Median domain age	34 yrs	21 yrs

Average domain age	31 yrs	19 yrs

Average monthly traffic	817,556	75,359

Combined monthly traffic	799,569,907	22,909,202

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

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
si.edu	English	91	1,137,159	237,359	34 yrs	60,547,423		Internet2

kaiserpermanentejobs.org
LanguageEnglish
DR (Ahrefs)55
Total Keywords83,183
Referring Domains2,011
Domain Age25 yrs
Traffic (Jun 2026)2,606,291
Traffic Trend
TechnologySSL.com
lifefitness.com
LanguageEnglish
DR (Ahrefs)75
Total Keywords34,386
Referring Domains8,945
Domain Age30 yrs
Traffic (Jun 2026)2,197,238
Traffic Trend
Technology
mymovies.it
LanguageItalian
DR (Ahrefs)76
Total Keywords148,009
Referring Domains28,855
Domain Age25 yrs
Traffic (Jun 2026)1,300,041
Traffic Trend
TechnologySSL.com
stampsforever.com
LanguageEnglish
DR (Ahrefs)52
Total Keywords11,513
Referring Domains978
Domain Age4 yrs
Traffic (Jun 2026)929,135
Traffic Trend
Technology
philasd.org
LanguageEnglish
DR (Ahrefs)72
Total Keywords34,338
Referring Domains6,406
Domain Age21 yrs
Traffic (Jun 2026)815,314
Traffic Trend
TechnologySSL.com
trashcansunlimited.com
LanguageEnglish
DR (Ahrefs)38
Total Keywords18,364
Referring Domains1,191
Domain Age20 yrs
Traffic (Jun 2026)660,726
Traffic Trend
Technology
delottery.com
LanguageEnglish
DR (Ahrefs)72
Total Keywords24,576
Referring Domains4,157
Domain Age27 yrs
Traffic (Jun 2026)640,192
Traffic Trend
Technology
globalgolf.com
LanguageEnglish
DR (Ahrefs)54
Total Keywords64,385
Referring Domains4,725
Domain Age28 yrs
Traffic (Jun 2026)565,048
Traffic Trend
Technology
enchantedparks.com
LanguageEnglish
DR (Ahrefs)45
Total Keywords10,479
Referring Domains313
Domain Age12 yrs
Traffic (Jun 2026)552,145
Traffic Trend
Technology
foundever.com
LanguageEnglish
DR (Ahrefs)72
Total Keywords8,573
Referring Domains4,651
Domain Age16 yrs
Traffic (Jun 2026)539,337
Traffic Trend
Technology