Is Kajabi or phpBB more popular?

phpBB is used by more websites in our catalog: 399 use Kajabi and 537 use phpBB.

Does Kajabi or phpBB have higher-authority sites?

phpBB sites have the higher median Ahrefs Domain Rating (Kajabi: 24, phpBB: 31).

Is Kajabi or phpBB growing faster?

Between 2026-06 and 2026-07, Kajabi went from 0.05% to 0.05% of all tracked sites, while phpBB went from 0.08% to 0.06%. Kajabi is gaining ground faster in our index.

Can a site use both Kajabi and phpBB?

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

Where does this Kajabi vs phpBB 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.

Kajabi vs phpBB — Site Stats Database

Kajabi vs phpBB

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	Kajabi	phpBB
Websites	399	537
Market share	0.08%	0.10%
Share of top 10K sites	0.01%	0.04%
Share of top 100K sites

Rank	#52	#39

Median DR	24	31

Average DR	24	34

Median keywords	843	798

Median referring domains	181	730

Median domain age	9 yrs	20 yrs

Average domain age	10 yrs	19 yrs

Average monthly traffic	18,521	32,156

Combined monthly traffic	7,389,712	17,267,771

studentsofhistory.com
LanguageEnglish
DR (Ahrefs)43
Total Keywords77,222
Referring Domains1,524
Domain Age12 yrs
Traffic (Jun 2026)1,631,725
Traffic Trend
TechnologyKajabi
decideyourlegacy.com
LanguageEnglish
DR (Ahrefs)17
Total Keywords8,799
Referring Domains262
Domain Age12 yrs
Traffic (Jun 2026)467,138
Traffic Trend
Technology
playguitaracademy.com
LanguageEnglish
DR (Ahrefs)25
Total Keywords6,951
Referring Domains232
Domain Age9 yrs
Traffic (Jun 2026)325,712
Traffic Trend
Technology
jonmaclennan.com
LanguageEnglish
DR (Ahrefs)27
Total Keywords12,428
Referring Domains391
Domain Age22 yrs
Traffic (Jun 2026)205,789
Traffic Trend
Technology
simplesheets.co
LanguageEnglish
DR (Ahrefs)31
Total Keywords30,678
Referring Domains1,025
Domain Age
Traffic (Jun 2026)183,676
Traffic Trend
Technology
learntopaintwatercolor.com
LanguageEnglish
DR (Ahrefs)15
Total Keywords3,073
Referring Domains586
Domain Age5 yrs
Traffic (Jun 2026)168,814
Traffic Trend
Technology
matassessment.com
LanguageEnglish
DR (Ahrefs)38
Total Keywords6,702
Referring Domains552
Domain Age8 yrs
Traffic (Jun 2026)154,420
Traffic Trend
Technology
themovementsystem.com
LanguageEnglish
DR (Ahrefs)23
Total Keywords3,731
Referring Domains308
Domain Age10 yrs
Traffic (Jun 2026)138,627
Traffic Trend
Technology
dance-masterclass.com
LanguageEnglish
DR (Ahrefs)38
Total Keywords1,971
Referring Domains633
Domain Age6 yrs
Traffic (Jun 2026)121,842
Traffic Trend
Technology
meghantelpner.com
LanguageEnglish
DR (Ahrefs)62
Total Keywords9,609
Referring Domains3,253
Domain Age18 yrs
Traffic (Jun 2026)114,533
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
studentsofhistory.com	English	43	77,222	1,524	12 yrs	1,631,725		Kajabi

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