Is OpenCities - https://granicus.com/product/opencities or Substack more popular?

Substack is used by more websites in our catalog: 202 use OpenCities - https://granicus.com/product/opencities and 463 use Substack.

Does OpenCities - https://granicus.com/product/opencities or Substack have higher-authority sites?

OpenCities - https://granicus.com/product/opencities sites have the higher median Ahrefs Domain Rating (OpenCities - https://granicus.com/product/opencities: 58, Substack: 32).

Is OpenCities - https://granicus.com/product/opencities or Substack growing faster?

Between 2026-06 and 2026-07, OpenCities - https://granicus.com/product/opencities went from 0.03% to 0.02% of all tracked sites, while Substack went from 0.06% to 0.05%. OpenCities - https://granicus.com/product/opencities is gaining ground faster in our index.

Can a site use both OpenCities - https://granicus.com/product/opencities and Substack?

No. A site runs a single CMS / website platform, so OpenCities - https://granicus.com/product/opencities and Substack are mutually exclusive.

OpenCities - https://granicus.com/product/opencities vs Substack — Site Stats Database

OpenCities - https://granicus.com/product/opencities vs Substack

Q: Where does this OpenCities - https://granicus.com/product/opencities 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.

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	OpenCities - https://granicus.com/product/opencities	Substack
Websites	202	463
Market share	0.04%	0.09%
Share of top 10K sites	0.13%

Share of top 100K sites	0.12%	0.03%

Rank	#71	#45

Median DR	58	32

Average DR	56	34

Median keywords	3,431	957

Median referring domains	1,474	435

Median domain age	15 yrs	8 yrs

Average domain age	15 yrs	10 yrs

Average monthly traffic	270,091	258,619

Combined monthly traffic	54,558,347	119,740,796

sa.gov
LanguageEnglish
DR (Ahrefs)74
Total Keywords115,405
Referring Domains8,919
Domain Age4 yrs
Traffic (Jun 2026)4,359,754
Traffic Trend
TechnologyOpenCities - https://granicus.com/product/opencities
denvergov.org
LanguageEnglish
DR (Ahrefs)82
Total Keywords185,290
Referring Domains21,120
Domain Age27 yrs
Traffic (Jun 2026)4,130,729
Traffic Trend
Technology
orlando.gov
LanguageEnglish
DR (Ahrefs)78
Total Keywords116,965
Referring Domains10,955
Domain Age8 yrs
Traffic (Jun 2026)2,913,750
Traffic Trend
TechnologyOpenCities - https://granicus.com/product/opencities
miami.gov
LanguageEnglish
DR (Ahrefs)76
Total Keywords46,116
Referring Domains6,287
Domain Age3 yrs
Traffic (Jun 2026)2,077,351
Traffic Trend
TechnologyOpenCities - https://granicus.com/product/opencities
charlottenc.gov
LanguageEnglish
DR (Ahrefs)78
Total Keywords66,185
Referring Domains8,905
Domain Age21 yrs
Traffic (Jun 2026)2,056,136
Traffic Trend
Technology
fortworthtexas.gov
LanguageEnglish
DR (Ahrefs)77
Total Keywords84,861
Referring Domains9,729
Domain Age22 yrs
Traffic (Jun 2026)2,018,743
Traffic Trend
Technology
okc.gov
LanguageEnglish
DR (Ahrefs)75
Total Keywords57,083
Referring Domains6,552
Domain Age23 yrs
Traffic (Jun 2026)1,905,674
Traffic Trend
TechnologyOpenCities - https://granicus.com/product/opencities
franklincountyohio.gov
LanguageEnglish
DR (Ahrefs)73
Total Keywords36,865
Referring Domains4,708
Domain Age22 yrs
Traffic (Jun 2026)1,393,901
Traffic Trend
Technology
tucsonaz.gov
LanguageEnglish
DR (Ahrefs)76
Total Keywords50,248
Referring Domains9,046
Domain Age22 yrs
Traffic (Jun 2026)1,251,055
Traffic Trend
Technology
arlingtonva.us
LanguageEnglish
DR (Ahrefs)77
Total Keywords69,451
Referring Domains11,503
Domain Age24 yrs
Traffic (Jun 2026)1,176,486
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
sa.gov	English	74	115,405	8,919	4 yrs	4,359,754		OpenCities - https://granicus.com/product/opencities

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 Age14 yrs
Traffic (Jun 2026)174,145
Traffic Trend
Technology