Is Mailchimp or Substack more popular?

Mailchimp is used by more websites in our catalog: 15,641 use Mailchimp and 1,089 use Substack.

Does Mailchimp or Substack have higher-authority sites?

Mailchimp and Substack sites have a similar median Ahrefs Domain Rating.

Is Mailchimp or Substack growing faster?

Between 2026-06 and 2026-07, Mailchimp went from 2.1% to 1.8% of all tracked sites, while Substack went from 0.16% to 0.12%. Substack is gaining ground faster in our index.

Can a site use both Mailchimp and Substack?

No. A site runs a single email / newsletter platform, so Mailchimp and Substack are mutually exclusive.

Where does this Mailchimp 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.

Mailchimp vs Substack — Site Stats Database

Mailchimp vs Substack

A side-by-side comparison of two email & newsletter platforms, based on the 128,885 Email Marketing sites tracked by Site Stats Database.

Last updated July 1, 2026

Metric	Mailchimp	Substack
Websites	15,641	1,089
Market share	12%	0.84%
Share of top 10K sites	1.3%	0.12%

Rank	#2	#8

Median DR	33	33

Average DR	35	34

Median keywords	1,219	1,250

Median referring domains	537	485

Median domain age	14 yrs	11 yrs

Average domain age	16 yrs	12 yrs

Average monthly traffic	58,343	95,722

Combined monthly traffic	912,550,146	104,241,674

whitehouse.gov
LanguageEnglish
DR (Ahrefs)92
Total Keywords337,548
Referring Domains325,961
Domain Age28 yrs
Traffic (Jun 2026)18,429,462
Traffic Trend
TechnologyMailchimp
poetryfoundation.org
LanguageEnglish
DR (Ahrefs)88
Total Keywords271,210
Referring Domains94,233
Domain Age24 yrs
Traffic (Jun 2026)16,849,722
Traffic Trend
Technology
samhsa.gov
LanguageEnglish
DR (Ahrefs)91
Total Keywords163,133
Referring Domains101,916
Domain Age28 yrs
Traffic (Jun 2026)14,327,978
Traffic Trend
Technology
unesco.org
LanguageEnglish
DR (Ahrefs)92
Total Keywords239,464
Referring Domains326,587
Domain Age32 yrs
Traffic (Jun 2026)13,667,866
Traffic Trend
Technology
encyclopedia.com
LanguageEnglish
DR (Ahrefs)84
Total Keywords2,067,067
Referring Domains63,862
Domain Age28 yrs
Traffic (Jun 2026)11,093,656
Traffic Trend
Technology
forbestravelguide.com
LanguageEnglish
DR (Ahrefs)78
Total Keywords159,187
Referring Domains13,032
Domain Age17 yrs
Traffic (Jun 2026)10,425,701
Traffic Trend
Technology
americanpregnancy.org
LanguageEnglish
DR (Ahrefs)83
Total Keywords220,739
Referring Domains27,498
Domain Age23 yrs
Traffic (Jun 2026)9,406,208
Traffic Trend
Technology
theharvestkitchen.com
LanguageEnglish
DR (Ahrefs)41
Total Keywords51,431
Referring Domains2,723
Domain Age11 yrs
Traffic (Jun 2026)9,395,446
Traffic Trend
Technology
whitehousehistory.org
LanguageEnglish
DR (Ahrefs)77
Total Keywords82,544
Referring Domains14,265
Domain Age29 yrs
Traffic (Jun 2026)9,164,085
Traffic Trend
Technology
cookingclassy.com
LanguageEnglish
DR (Ahrefs)76
Total Keywords204,156
Referring Domains50,748
Domain Age14 yrs
Traffic (Jun 2026)7,411,446
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
whitehouse.gov	English	92	337,548	325,961	28 yrs	18,429,462		Mailchimp

alexreichek.com
LanguageEnglish
DR (Ahrefs)10
Total Keywords19,565
Referring Domains103
Domain Age4 yrs
Traffic (Jun 2026)21,583,539
Traffic Trend
TechnologySubstack
horoscope.com
LanguageEnglish
DR (Ahrefs)69
Total Keywords99,094
Referring Domains7,518
Domain Age28 yrs
Traffic (Jun 2026)10,014,480
Traffic Trend
Technology
themodernproper.com
LanguageEnglish
DR (Ahrefs)71
Total Keywords229,805
Referring Domains18,216
Domain Age12 yrs
Traffic (Jun 2026)9,197,484
Traffic Trend
Technology
sporked.com
LanguageEnglish
DR (Ahrefs)62
Total Keywords282,875
Referring Domains4,981
Domain Age17 yrs
Traffic (Jun 2026)7,331,097
Traffic Trend
Technology
astrology.com
LanguageEnglish
DR (Ahrefs)73
Total Keywords119,893
Referring Domains12,321
Domain Age30 yrs
Traffic (Jun 2026)2,568,567
Traffic Trend
Technology
labnol.org
LanguageEnglish
DR (Ahrefs)77
Total Keywords24,212
Referring Domains20,681
Domain Age19 yrs
Traffic (Jun 2026)2,038,273
Traffic Trend
Technology
tarheeltimes.com
LanguageHindi
DR (Ahrefs)35
Total Keywords32,038
Referring Domains4,565
Domain Age21 yrs
Traffic (Jun 2026)1,553,219
Traffic Trend
Technology
pensador.com
LanguagePortuguese
DR (Ahrefs)76
Total Keywords123,585
Referring Domains13,547
Domain Age26 yrs
Traffic (Jun 2026)1,501,577
Traffic Trend
Technology
healthynibblesandbits.com
LanguageEnglish
DR (Ahrefs)64
Total Keywords33,219
Referring Domains6,043
Domain Age12 yrs
Traffic (Jun 2026)1,185,989
Traffic Trend
Technology
drawingsof.com
LanguageEnglish
DR (Ahrefs)33
Total Keywords16,028
Referring Domains678
Domain Age6 yrs
Traffic (Jun 2026)1,174,609
Traffic Trend
Technology