Is Sendy or Substack more popular?

Substack is used by more websites in our catalog: 144 use Sendy and 1,089 use Substack.

Does Sendy or Substack have higher-authority sites?

Sendy sites have the higher median Ahrefs Domain Rating (Sendy: 36, Substack: 33).

Is Sendy or Substack growing faster?

Between 2026-06 and 2026-07, Sendy went from 0.02% to 0.02% of all tracked sites, while Substack went from 0.16% to 0.12%. Sendy is gaining ground faster in our index.

Can a site use both Sendy and Substack?

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

Where does this Sendy 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.

Sendy vs Substack — Site Stats Database

Sendy 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	Sendy	Substack
Websites	144	1,089
Market share	0.11%	0.84%
Share of top 10K sites	0.01%	0.12%

Rank	#19	#8

Median DR	36	33

Average DR	35	34

Median keywords	1,679	1,250

Median referring domains	827	485

Median domain age	13 yrs	11 yrs

Average domain age	14 yrs	12 yrs

Average monthly traffic	48,644	95,722

Combined monthly traffic	7,004,746	104,241,674

ancient-origins.net
LanguageEnglish
DR (Ahrefs)77
Total Keywords184,228
Referring Domains30,486
Domain Age13 yrs
Traffic (Jun 2026)1,281,459
Traffic Trend
TechnologySendy
exceljet.net
LanguageEnglish
DR (Ahrefs)70
Total Keywords50,278
Referring Domains7,394
Domain Age13 yrs
Traffic (Jun 2026)940,958
Traffic Trend
TechnologySendy
indietraveller.co
LanguageEnglish
DR (Ahrefs)56
Total Keywords22,862
Referring Domains2,445
Domain Age12 yrs
Traffic (Jun 2026)919,425
Traffic Trend
Technology
tasteofartisan.com
LanguageEnglish
DR (Ahrefs)41
Total Keywords19,917
Referring Domains3,598
Domain Age8 yrs
Traffic (Jun 2026)524,686
Traffic Trend
Technology
publicdomainreview.org
LanguageEnglish
DR (Ahrefs)78
Total Keywords19,244
Referring Domains14,317
Domain Age15 yrs
Traffic (Jun 2026)431,884
Traffic Trend
Technology
cravingtasty.com
LanguageEnglish
DR (Ahrefs)35
Total Keywords33,628
Referring Domains9,978
Domain Age7 yrs
Traffic (Jun 2026)374,794
Traffic Trend
Technology
refactoring.guru
LanguageEnglish
DR (Ahrefs)76
Total Keywords7,542
Referring Domains5,916
Domain Age12 yrs
Traffic (Jun 2026)151,453
Traffic Trend
Technology
bkpizzeria.com
LanguageEnglish
DR (Ahrefs)8
Total Keywords5,011
Referring Domains195
Domain Age20 yrs
Traffic (Jun 2026)151,273
Traffic Trend
Technology
monstertrucks.fun
LanguageEnglish
DR (Ahrefs)31
Total Keywords7,093
Referring Domains214
Domain Age8 yrs
Traffic (Jun 2026)132,711
Traffic Trend
Technology
oxfordonlineenglish.com
LanguageEnglish
DR (Ahrefs)51
Total Keywords7,466
Referring Domains2,176
Domain Age13 yrs
Traffic (Jun 2026)131,148
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
ancient-origins.net	English	77	184,228	30,486	13 yrs	1,281,459		Sendy

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
TechnologySubstack
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
TechnologySubstack
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