Is SendFox or Substack more popular?

Substack is used by more websites in our catalog: 106 use SendFox and 1,089 use Substack.

Does SendFox or Substack have higher-authority sites?

Substack sites have the higher median Ahrefs Domain Rating (SendFox: 28, Substack: 33).

Is SendFox or Substack growing faster?

Between 2026-06 and 2026-07, SendFox went from 0.02% to 0.01% of all tracked sites, while Substack went from 0.16% to 0.12%. SendFox is gaining ground faster in our index.

Can a site use both SendFox and Substack?

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

Where does this SendFox 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.

SendFox vs Substack — Site Stats Database

SendFox 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	SendFox	Substack
Websites	106	1,089
Market share	0.08%	0.84%
Share of top 10K sites	0.00%	0.12%

Rank	#23	#8

Median DR	28	33

Average DR	28	34

Median keywords	1,252	1,250

Median referring domains	504	485

Median domain age	10 yrs	11 yrs

Average domain age	11 yrs	12 yrs

Average monthly traffic	29,342	95,722

Combined monthly traffic	3,110,262	104,241,674

ebikeescape.com
LanguageEnglish
DR (Ahrefs)29
Total Keywords5,821
Referring Domains790
Domain Age6 yrs
Traffic (Jun 2026)671,544
Traffic Trend
TechnologySendFox
bemytravelmuse.com
LanguageEnglish
DR (Ahrefs)67
Total Keywords38,889
Referring Domains3,601
Domain Age14 yrs
Traffic (Jun 2026)389,939
Traffic Trend
Technology
sharpologist.com
LanguageEnglish
DR (Ahrefs)50
Total Keywords11,478
Referring Domains1,912
Domain Age14 yrs
Traffic (Jun 2026)356,394
Traffic Trend
Technology
wiscoexplorer.com
LanguageEnglish
DR (Ahrefs)9
Total Keywords3,667
Referring Domains51
Domain Age4 yrs
Traffic (Jun 2026)210,754
Traffic Trend
Technology
costumewall.com
LanguageEnglish
DR (Ahrefs)38
Total Keywords30,078
Referring Domains2,925
Domain Age10 yrs
Traffic (Jun 2026)176,321
Traffic Trend
Technology
butter-n-thyme.com
LanguageEnglish
DR (Ahrefs)23
Total Keywords12,516
Referring Domains1,257
Domain Age9 yrs
Traffic (Jun 2026)161,855
Traffic Trend
Technology
parenthoodadventures.com
LanguageEnglish
DR (Ahrefs)27
Total Keywords10,819
Referring Domains461
Domain Age3 yrs
Traffic (Jun 2026)156,854
Traffic Trend
Technology
adishofdailylife.com
LanguageEnglish
DR (Ahrefs)46
Total Keywords11,213
Referring Domains1,881
Domain Age13 yrs
Traffic (Jun 2026)115,068
Traffic Trend
Technology
mealpreponfleek.com
LanguageEnglish
DR (Ahrefs)45
Total Keywords9,977
Referring Domains2,884
Domain Age10 yrs
Traffic (Jun 2026)64,537
Traffic Trend
Technology
thefitcookie.com
LanguageEnglish
DR (Ahrefs)53
Total Keywords15,722
Referring Domains4,021
Domain Age14 yrs
Traffic (Jun 2026)61,771
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
ebikeescape.com	English	29	5,821	790	6 yrs	671,544		SendFox

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