Is Substack or vBulletin more popular?

Substack is used by more websites in our catalog: 463 use Substack and 310 use vBulletin.

Does Substack or vBulletin have higher-authority sites?

Substack sites have the higher median Ahrefs Domain Rating (Substack: 32, vBulletin: 26).

Is Substack or vBulletin growing faster?

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

Can a site use both Substack and vBulletin?

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

Where does this Substack vs vBulletin 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.

Substack vs vBulletin — Site Stats Database

Substack vs vBulletin

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	Substack	vBulletin
Websites	463	310
Market share	0.09%	0.06%
Share of top 10K sites	0.02%	0.00%
Share of top 100K sites

Rank	#45	#62

Median DR	32	26

Average DR	34	27

Median keywords	957	1,632

Median referring domains	435	817

Median domain age	8 yrs	22 yrs

Average domain age	10 yrs	21 yrs

Average monthly traffic	258,619	17,597

Combined monthly traffic	119,740,796	5,455,181

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

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
cbsnews.com	English	92	5,029,881	486,461	31 yrs	59,376,408		Substack

f150forum.com
LanguageEnglish
DR (Ahrefs)47
Total Keywords129,382
Referring Domains8,314
Domain Age22 yrs
Traffic (Jun 2026)706,595
Traffic Trend
TechnologyvBulletin
bikeforums.net
LanguageEnglish
DR (Ahrefs)58
Total Keywords109,798
Referring Domains5,118
Domain Age25 yrs
Traffic (Jun 2026)304,397
Traffic Trend
Technology
quiltingboard.com
LanguageEnglish
DR (Ahrefs)34
Total Keywords70,300
Referring Domains3,592
Domain Age19 yrs
Traffic (Jun 2026)214,472
Traffic Trend
Technology
rcgroups.com
LanguageEnglish
DR (Ahrefs)75
Total Keywords51,454
Referring Domains11,918
Domain Age24 yrs
Traffic (Jun 2026)210,684
Traffic Trend
TechnologyvBulletin
ownedcore.com
LanguageEnglish
DR (Ahrefs)63
Total Keywords16,225
Referring Domains9,357
Domain Age14 yrs
Traffic (Jun 2026)197,301
Traffic Trend
Technology
pitmaster.amazingribs.com
LanguageEnglish
DR (Ahrefs)71
Total Keywords56,845
Referring Domains1,533
Domain Age21 yrs
Traffic (Jun 2026)194,521
Traffic Trend
Technology
mmo-champion.com
LanguageEnglish
DR (Ahrefs)65
Total Keywords44,269
Referring Domains9,844
Domain Age19 yrs
Traffic (Jun 2026)190,318
Traffic Trend
Technology
modthesims.info
LanguageEnglish
DR (Ahrefs)70
Total Keywords31,986
Referring Domains10,529
Domain Age18 yrs
Traffic (Jun 2026)174,001
Traffic Trend
Technology
excelforum.com
LanguageEnglish
DR (Ahrefs)45
Total Keywords47,016
Referring Domains2,662
Domain Age22 yrs
Traffic (Jun 2026)168,912
Traffic Trend
Technology
project1999.com
LanguageEnglish
DR (Ahrefs)57
Total Keywords7,323
Referring Domains8,404
Domain Age13 yrs
Traffic (Jun 2026)129,496
Traffic Trend
Technology