Is Contentful or Substack more popular?

Substack is used by more websites in our catalog: 377 use Contentful and 463 use Substack.

Does Contentful or Substack have higher-authority sites?

Contentful sites have the higher median Ahrefs Domain Rating (Contentful: 60, Substack: 32).

Is Contentful or Substack growing faster?

Between 2026-06 and 2026-07, Contentful went from 0.06% to 0.04% of all tracked sites, while Substack went from 0.06% to 0.05%. Substack is gaining ground faster in our index.

Can a site use both Contentful and Substack?

No. A site runs a single CMS / website platform, so Contentful and Substack are mutually exclusive.

Where does this Contentful vs Substack 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.

Contentful vs Substack — Site Stats Database

Contentful vs Substack

A side-by-side comparison of two content management systems, based on the 515,058 CMS sites tracked by Site Stats Database.

Last updated July 1, 2026

Metric	Contentful	Substack
Websites	377	463
Market share	0.07%	0.09%
Share of top 10K sites	0.21%	0.02%
Share of top 100K sites

Rank	#55	#45

Median DR	60	32

Average DR	57	34

Median keywords	2,042	957

Median referring domains	1,901	435

Median domain age	20 yrs	8 yrs

Average domain age	19 yrs	10 yrs

Average monthly traffic	289,905	258,619

Combined monthly traffic	109,294,085	119,740,796

coursera.org
LanguageEnglish
DR (Ahrefs)91
Total Keywords579,998
Referring Domains196,297
Domain Age14 yrs
Traffic (Jun 2026)17,942,498
Traffic Trend
TechnologyContentful
aad.org
LanguageEnglish
DR (Ahrefs)90
Total Keywords359,999
Referring Domains56,366
Domain Age30 yrs
Traffic (Jun 2026)15,847,168
Traffic Trend
TechnologyContentful
asurion.com
LanguageEnglish
DR (Ahrefs)78
Total Keywords335,402
Referring Domains10,484
Domain Age25 yrs
Traffic (Jun 2026)6,347,235
Traffic Trend
TechnologyContentful
services.petsmart.com
LanguageEnglish
DR (Ahrefs)80
Total Keywords28,947
Referring Domains1,904
Domain Age30 yrs
Traffic (Jun 2026)5,889,357
Traffic Trend
Technology
ubreakifix.com
LanguageEnglish
DR (Ahrefs)63
Total Keywords50,590
Referring Domains3,471
Domain Age17 yrs
Traffic (Jun 2026)4,940,617
Traffic Trend
Technology
jimmyjohns.com
LanguageEnglish
DR (Ahrefs)74
Total Keywords75,074
Referring Domains9,074
Domain Age28 yrs
Traffic (Jun 2026)4,321,432
Traffic Trend
Technology
onemainfinancial.com
LanguageEnglish
DR (Ahrefs)72
Total Keywords60,806
Referring Domains6,084
Domain Age15 yrs
Traffic (Jun 2026)3,777,090
Traffic Trend
Technology
bloomandwild.com
LanguageEnglish
DR (Ahrefs)72
Total Keywords90,842
Referring Domains4,891
Domain Age13 yrs
Traffic (Jun 2026)3,209,597
Traffic Trend
Technology
purdueglobal.edu
LanguageEnglish
DR (Ahrefs)75
Total Keywords71,391
Referring Domains8,861
Domain Age8 yrs
Traffic (Jun 2026)2,208,831
Traffic Trend
Technology
americandream.com
LanguageEnglish
DR (Ahrefs)66
Total Keywords57,546
Referring Domains3,904
Domain Age30 yrs
Traffic (Jun 2026)1,996,615
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
coursera.org	English	91	579,998	196,297	14 yrs	17,942,498		Contentful

cbsnews.com
LanguageEnglish
DR (Ahrefs)92
Total Keywords5,029,881
Referring Domains486,461
Domain Age31 yrs
Traffic (Jun 2026)59,376,408
Traffic Trend
TechnologySubstack
substack.com
LanguageEnglish
DR (Ahrefs)94
Total Keywords5,643,513
Referring Domains561,764
Domain Age16 yrs
Traffic (Jun 2026)51,156,090
Traffic Trend
Technology
thefp.com
LanguageEnglish
DR (Ahrefs)76
Total Keywords39,018
Referring Domains17,521
Domain Age24 yrs
Traffic (Jun 2026)738,323
Traffic Trend
TechnologySubstack
azdesertswarm.com
LanguageEnglish
DR (Ahrefs)51
Total Keywords11,126
Referring Domains6,455
Domain Age17 yrs
Traffic (Jun 2026)664,536
Traffic Trend
Technology
thebulwark.com
LanguageEnglish
DR (Ahrefs)75
Total Keywords23,103
Referring Domains13,098
Domain Age15 yrs
Traffic (Jun 2026)259,028
Traffic Trend
Technology
brokenpalate.com
LanguageEnglish
DR (Ahrefs)40
Total Keywords3,164
Referring Domains295
Domain Age5 yrs
Traffic (Jun 2026)214,374
Traffic Trend
Technology
r-bloggers.com
LanguageEnglish
DR (Ahrefs)75
Total Keywords27,627
Referring Domains8,306
Domain Age16 yrs
Traffic (Jun 2026)212,820
Traffic Trend
Technology
donaldrobertson.name
LanguageEnglish
DR (Ahrefs)45
Total Keywords1,679
Referring Domains874
Domain Age12 yrs
Traffic (Jun 2026)202,345
Traffic Trend
Technology
noahpinion.blog
LanguageEnglish
DR (Ahrefs)73
Total Keywords10,103
Referring Domains5,453
Domain Age3 yrs
Traffic (Jun 2026)174,978
Traffic Trend
Technology
jonathanlack.com
LanguageEnglish
DR (Ahrefs)11
Total Keywords6,130
Referring Domains697
Domain Age15 yrs
Traffic (Jun 2026)174,145
Traffic Trend
Technology