Websites using Substack
Substack is an American online platform that provides publishing, payment, analytics, and design infrastructure to support subscription newsletters.
17.1k live Substack sites, ready to export.
That's how many Substack websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
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Every Substack website we detected in the United States.
Only sites where a personal, company-hosted email was found.
Sites with at least one personnel LinkedIn profile.
Start with the highest-traffic end of the dataset.
Limit results to Substack websites on .com domains.
Only sites where an organisation phone number was found.
Websites Using Substack
A sample of live Substack sites from our latest crawl, with the other technologies each one runs.
| Domain | Also runs | Crawl Date |
|---|---|---|
| aaronrenn.com | September 27, 2026 | |
| onlinecosmos.com | September 27, 2026 | |
| myfrenchlife.org | September 27, 2026 | |
| jayinslee.com | September 27, 2026 | |
| asptoday.com | September 27, 2026 | |
| danielgreenfield.org | September 27, 2026 | |
| artfish.ai | September 27, 2026 | |
| the-ai-corner.com | September 27, 2026 | |
| the100dayproject.org | September 26, 2026 | |
| uncoveralpha.com | September 26, 2026 |
How many websites use Substack?
We found Substack on 17,173 websites in our September 2026 crawl, across 77 countries.
Which countries use Substack the most?
By number of websites, the top countries are United States (4%, 631 sites), United Kingdom (1%, 229 sites), Canada (under 1%, 154 sites), France (under 1%, 90 sites) and Germany (under 1%, 82 sites). Together they account for 7% of the 17,173 Substack sites we track. 91% of the sites are in English, and .com is the most used domain ending, on 63% of them.
Where are Substack websites hosted?
The networks carrying the most Substack sites are Cloudflare, Inc. (16,153 sites), Amazon.com, Inc. (452 sites) and CLOUDFLARENET (242 sites).
What technologies are used with Substack?
Across the 17,173 Substack sites we track, the technologies most often found alongside it are HSTS (100%, 17,173 sites), Cloudflare (over 99%, 17,172 sites), Cloudflare Browser Insights (over 99%, 17,172 sites), Express (over 99%, 17,172 sites) and Node.js (over 99%, 17,172 sites).
Breakdown of Substack websites
What else they run, plus their language, hosting network, domain extension and country.
| Technology | Sites |
|---|---|
| HSTS | 17,173 |
Cloudflare | 17,172 |
|
Cloudflare Browser Insights | 17,172 |
Express | 17,172 |
Node.js | 17,172 |
|
Cloudflare Bot Management | 17,169 |
HTTP/3 | 17,153 |
C3.js | 8,199 |
Amazon Web Services | 4,066 |
Amazon S3 | 4,035 |
Google Analytics | 3,675 |
YouTube | 2,621 |
Google Tag Manager | 2,215 |
Nginx | 415 |
jQuery | 398 |
dc.js | 390 |
Vercel | 300 |
PHP | 281 |
OpenResty | 271 |
React | 250 |
MySQL | 247 |
WordPress | 244 |
|
jQuery Migrate | 185 |
Webpack | 150 |
jsDelivr | 145 |
| Language | Sites |
|---|---|
| English | 15,566 |
| Spanish | 344 |
| French | 195 |
| Portuguese | 165 |
| German | 94 |
| Italian | 83 |
| Dutch | 73 |
| Chinese | 52 |
| Vietnamese | 49 |
| Turkish | 42 |
| Romanian | 39 |
| Latin | 33 |
| Czech | 31 |
| Japanese | 31 |
| Polish | 30 |
| Tagalog | 29 |
| Hungarian | 27 |
| Swedish | 27 |
| Indonesian | 18 |
| Arabic | 15 |
| Danish | 15 |
| Korean | 14 |
| Catalan | 10 |
| Slovak | 8 |
| Hebrew | 7 |
| ASN | Sites |
|---|---|
| Cloudflare, Inc. | 16,153 |
| Amazon.com, Inc. | 452 |
| CLOUDFLARENET | 242 |
| Fastly, Inc. | 49 |
| Google LLC | 49 |
| Cloudflare London, LLC | 25 |
| Hostinger International Limited | 17 |
| DigitalOcean, LLC | 15 |
| Hetzner Online GmbH | 15 |
| Namecheap, Inc. | 15 |
| IONOS SE | 11 |
| GANDI SAS | 8 |
| New Dream Network, LLC | 8 |
| Fly.io, Inc. | 6 |
| Railway | 5 |
| Render | 5 |
| GoDaddy.com, LLC | 4 |
| OVH SAS | 4 |
| A2 Hosting, Inc. | 3 |
| DinaHosting S.L. | 3 |
| InMotion Hosting, Inc. | 3 |
| Internap Holding LLC | 3 |
| Loopia AB | 3 |
| Sucuri | 3 |
| Tilda Platform Cloud Services Co. L.L.C | 3 |
| TLD | Sites |
|---|---|
| com | 10,861 |
| org | 900 |
| net | 479 |
| co | 454 |
| io | 326 |
| blog | 281 |
| ai | 252 |
| news | 248 |
| uk | 215 |
| xyz | 199 |
| ca | 149 |
| dev | 126 |
| me | 104 |
| us | 80 |
| info | 78 |
| br | 77 |
| in | 73 |
| it | 73 |
| fr | 68 |
| media | 66 |
| club | 60 |
| nl | 59 |
| de | 56 |
| es | 55 |
| tech | 53 |
| Country | Sites |
|---|---|
| Unknown | 15,077 |
| 🇺🇸 United States | 631 |
| 🇬🇧 United Kingdom | 229 |
| 🇨🇦 Canada | 154 |
| 🇫🇷 France | 90 |
| 🇩🇪 Germany | 82 |
| 🇧🇷 Brazil | 79 |
| 🇮🇳 India | 78 |
| 🇮🇹 Italy | 76 |
| 🇪🇸 Spain | 64 |
| 🇳🇱 Netherlands | 64 |
| 🇦🇺 Australia | 55 |
| 🇷🇴 Romania | 50 |
| 🇸🇪 Sweden | 36 |
| 🇨🇭 Switzerland | 29 |
| 🇨🇿 Czech Republic | 27 |
| 🇳🇿 New Zealand | 23 |
| 🇵🇱 Poland | 23 |
| 🇭🇺 Hungary | 22 |
| 🇻🇳 Vietnam | 22 |
| 🇩🇰 Denmark | 16 |
| 🇮🇸 Iceland | 16 |
| 🇲🇽 Mexico | 16 |
| 🇧🇪 Belgium | 12 |
| 🇬🇬 Guernsey | 12 |
Other technologies in Blogs
Blogs technologies run on 39.91% of the websites we track. Substack ranks #7 of 31, on 0.08% of Blogs sites.
-
WordPress
16,057,311 sites, 79.01%
Wix
3,293,719 sites, 16.21%
Blogger
879,350 sites, 4.33%
Ghost
34,531 sites, 0.17%
Hatena Blog
32,120 sites, 0.16%- BoldGrid 20,483 sites, 0.1%
Typecho
3,645 sites, 0.02%
FAQ
Answers drawn from our latest crawl of Substack websites. Anything else, email us and we will look it up.
Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.