Is Concrete CMS or Substack more popular?

Substack is used by more websites in our catalog: 371 use Concrete CMS and 463 use Substack.

Does Concrete CMS or Substack have higher-authority sites?

Concrete CMS sites have the higher median Ahrefs Domain Rating (Concrete CMS: 34, Substack: 32).

Is Concrete CMS or Substack growing faster?

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

Can a site use both Concrete CMS and Substack?

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

Where does this Concrete CMS 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.

Concrete CMS vs Substack — Site Stats Database

Concrete CMS 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	Concrete CMS	Substack
Websites	371	463
Market share	0.07%	0.09%
Share of top 10K sites	0.02%	0.02%
Share of top 100K sites

Rank	#56	#45

Median DR	34	32

Average DR	36	34

Median keywords	1,082	957

Median referring domains	475	435

Median domain age	22 yrs	8 yrs

Average domain age	20 yrs	10 yrs

Average monthly traffic	54,961	258,619

Combined monthly traffic	20,390,626	119,740,796

home.army.mil
LanguageEnglish
DR (Ahrefs)90
Total Keywords65,041
Referring Domains12,159
Domain Age
Traffic (Jun 2026)4,141,809
Traffic Trend
TechnologyConcrete CMS
armymwr.com
LanguageEnglish
DR (Ahrefs)75
Total Keywords66,975
Referring Domains15,621
Domain Age30 yrs
Traffic (Jun 2026)1,272,651
Traffic Trend
TechnologyConcrete CMS
shadesofgreen.org
LanguageEnglish
DR (Ahrefs)57
Total Keywords23,301
Referring Domains1,626
Domain Age27 yrs
Traffic (Jun 2026)814,133
Traffic Trend
Technology
goodwilleasterseals.org
LanguageEnglish
DR (Ahrefs)49
Total Keywords8,186
Referring Domains1,049
Domain Age
Traffic (Jun 2026)812,834
Traffic Trend
Technology
homesite.com
LanguageEnglish
DR (Ahrefs)56
Total Keywords5,291
Referring Domains1,088
Domain Age27 yrs
Traffic (Jun 2026)625,795
Traffic Trend
TechnologyConcrete CMS
halekoa.com
LanguageEnglish
DR (Ahrefs)51
Total Keywords5,955
Referring Domains1,455
Domain Age29 yrs
Traffic (Jun 2026)616,033
Traffic Trend
TechnologyConcrete CMS
aircarecolorado.com
LanguageEnglish
DR (Ahrefs)43
Total Keywords4,922
Referring Domains640
Domain Age27 yrs
Traffic (Jun 2026)359,552
Traffic Trend
Technology
seethroughny.net
LanguageEnglish
DR (Ahrefs)46
Total Keywords6,717
Referring Domains1,296
Domain Age18 yrs
Traffic (Jun 2026)356,688
Traffic Trend
Technology
potawatomi.com
LanguageEnglish
DR (Ahrefs)65
Total Keywords11,412
Referring Domains4,559
Domain Age27 yrs
Traffic (Jun 2026)330,448
Traffic Trend
Technology
familydaysout.com
LanguageEnglish
DR (Ahrefs)53
Total Keywords47,338
Referring Domains2,271
Domain Age22 yrs
Traffic (Jun 2026)324,826
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
home.army.mil	English	90	65,041	12,159		4,141,809		Concrete CMS

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