Is phpBB or Substack more popular?

phpBB is used by more websites in our catalog: 537 use phpBB and 463 use Substack.

Does phpBB or Substack have higher-authority sites?

Substack sites have the higher median Ahrefs Domain Rating (phpBB: 31, Substack: 32).

Is phpBB or Substack growing faster?

Between 2026-06 and 2026-07, phpBB went from 0.08% to 0.06% 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 phpBB and Substack?

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

Where does this phpBB 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.

phpBB vs Substack — Site Stats Database

phpBB 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	phpBB	Substack
Websites	537	463
Market share	0.10%	0.09%
Share of top 10K sites	0.04%	0.02%
Share of top 100K sites

Rank	#39	#45

Median DR	31	32

Average DR	34	34

Median keywords	798	957

Median referring domains	730	435

Median domain age	20 yrs	8 yrs

Average domain age	19 yrs	10 yrs

Average monthly traffic	32,156	258,619

Combined monthly traffic	17,267,771	119,740,796

realgm.com
LanguageEnglish
DR (Ahrefs)70
Total Keywords244,764
Referring Domains15,452
Domain Age25 yrs
Traffic (Jun 2026)2,956,660
Traffic Trend
TechnologyphpBB
addons.mozilla.org
LanguageEnglish
DR (Ahrefs)96
Total Keywords49,959
Referring Domains163,442
Domain Age28 yrs
Traffic (Jun 2026)1,348,718
Traffic Trend
Technology
next-episode.net
LanguageEnglish
DR (Ahrefs)51
Total Keywords157,283
Referring Domains11,904
Domain Age20 yrs
Traffic (Jun 2026)1,327,966
Traffic Trend
Technology
home-barista.com
LanguageEnglish
DR (Ahrefs)61
Total Keywords49,018
Referring Domains4,616
Domain Age21 yrs
Traffic (Jun 2026)481,338
Traffic Trend
Technology
oregonhikers.org
LanguageEnglish
DR (Ahrefs)65
Total Keywords36,741
Referring Domains4,062
Domain Age14 yrs
Traffic (Jun 2026)431,980
Traffic Trend
Technology
soundonsound.com
LanguageEnglish
DR (Ahrefs)80
Total Keywords75,020
Referring Domains15,236
Domain Age24 yrs
Traffic (Jun 2026)415,793
Traffic Trend
Technology
14ers.com
LanguageEnglish
DR (Ahrefs)68
Total Keywords6,942
Referring Domains2,862
Domain Age27 yrs
Traffic (Jun 2026)324,362
Traffic Trend
TechnologyphpBB
themeparkreview.com
Language
DR (Ahrefs)47
Total Keywords26,890
Referring Domains7,073
Domain Age28 yrs
Traffic (Jun 2026)298,341
Traffic Trend
Technology
rpgcodex.net
LanguageEnglish
DR (Ahrefs)49
Total Keywords6,067
Referring Domains3,680
Domain Age18 yrs
Traffic (Jun 2026)238,770
Traffic Trend
TechnologyphpBB
goodeggs.com
LanguageEnglish
DR (Ahrefs)71
Total Keywords64,987
Referring Domains2,879
Domain Age29 yrs
Traffic (Jun 2026)183,348
Traffic Trend
TechnologyphpBB

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
realgm.com	English	70	244,764	15,452	25 yrs	2,956,660		phpBB

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