Websites using Mailgun
The best email API solution for connection-driven businesses.
Mailgun is currently installed on 347,355 websites.
In this report
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Mailgun Usage Over Time
Total websites with Mailgun installed, measured weekly.
| Week | Installs |
|---|---|
| 2026-05-09 | 79,648 |
| 2026-05-16 | 161,892 |
| 2026-05-23 | 169,138 |
| 2026-05-30 | 174,434 |
| 2026-06-06 | 179,692 |
| 2026-06-13 | 182,985 |
| 2026-06-20 | 205,115 |
| 2026-06-27 | 242,984 |
| 2026-07-04 | 321,231 |
| 2026-07-11 | 432,483 |
| 2026-07-18 | 483,476 |
| 2026-07-25 | 483,439 |
| 2026-08-15 | 482,593 |
| 2026-08-22 | 478,835 |
| 2026-08-29 | 474,162 |
| 2026-09-05 | 459,214 |
| 2026-09-12 | 425,229 |
| 2026-09-26 | 347,355 |
Top Websites Using Mailgun
Here are the top 5 websites running Mailgun ordered by rank.
| Domain | Title | Rank |
|---|---|---|
| substack.com | Substack | 69 |
| about.me | about.me | your personal homepage | 111 |
| haveibeenpwned.com | Have I Been Pwned: Check if your email address has been exposed in a data breach | 160 |
| obsidian.md | Obsidian - Sharpen your thinking | 586 |
| rockhall.com | Rock & Roll Hall of Fame | 1,067 |
Top Countries for Websites Using Mailgun
Here is the country breakdown for websites with Mailgun installed.
- 3.7% of websites using Mailgun are in United States
- 2.3% of websites using Mailgun are in United Kingdom
- 1.5% of websites using Mailgun are in Canada
| Country | Websites |
|---|---|
| Unknown | 300,266 |
| United States | 12,938 |
| United Kingdom | 8,016 |
| Canada | 5,276 |
| Australia | 2,780 |
| Germany | 1,970 |
| Montenegro | 1,931 |
| France | 1,559 |
| India | 1,190 |
| Brazil | 1,102 |
Top Categories for Websites Using Mailgun
Here are the top industry verticals for websites using Mailgun.
- 30% of websites using Mailgun are in the Arts & Entertainment category.
- 20.5% of websites using Mailgun are in the Business & Industrial category.
- 8.8% of websites using Mailgun are in the Computers & Electronics category.
- 7.9% of websites using Mailgun are in the Internet & Telecom category.
| Category | Websites |
|---|---|
| Arts & Entertainment | 104,317 |
| Business & Industrial | 71,070 |
| Computers & Electronics | 30,554 |
| Internet & Telecom | 27,506 |
| Shopping | 20,764 |
| People & Society | 20,590 |
| Hobbies & Leisure | 16,290 |
| Home & Garden | 14,839 |
| Health | 13,866 |
| Science | 11,080 |
Technologies Co-installed with Mailgun
These are the technologies most commonly found alongside Mailgun on the same websites.
| Technology | Websites |
|---|---|
| Squarespace | 103,392 |
| Cloudflare | 72,382 |
| Google Tag Manager | 52,863 |
| Google Adsense | 47,623 |
| Google Ads Pixel | 45,333 |
| Google Analytics | 43,283 |
| Google Analytics 4 | 28,598 |
| Facebook Pixel | 24,942 |
| YouTube Player | 23,190 |
| Vimeo | 21,292 |
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