Websites using Mailgun
The best email API solution for connection-driven businesses.
Mailgun is currently installed on 205,115 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 |
Top Websites Using Mailgun
Here are the top 5 websites running Mailgun ordered by rank.
| Domain | Title | Rank |
|---|---|---|
| about.me | about.me | your personal homepage | 48 |
| substack.com | Substack | 59 |
| haveibeenpwned.com | Have I Been Pwned: Check if your email address has been exposed in a data breach | 174 |
| obsidian.md | Obsidian - Sharpen your thinking | 400 |
| rockhall.com | Rock & Roll Hall of Fame | 1,644 |
Top Countries for Websites Using Mailgun
Here is the country breakdown for websites with Mailgun installed.
- 90.1% of websites using Mailgun are in
- 2.4% of websites using Mailgun are in United States
- 1.7% of websites using Mailgun are in United Kingdom
- 1% of websites using Mailgun are in Canada
| Country | Websites |
|---|---|
| 184,845 | |
| United States | 4,824 |
| United Kingdom | 3,506 |
| Canada | 2,134 |
| Australia | 1,115 |
| Montenegro | 990 |
| Germany | 761 |
| France | 699 |
| Brazil | 531 |
| India | 527 |
Top Categories for Websites Using Mailgun
Here are the top industry verticals for websites using Mailgun.
- 26.4% of websites using Mailgun are in the Arts & Entertainment category.
- 23.9% of websites using Mailgun are in the Business & Industrial category.
- 10.5% of websites using Mailgun are in the Internet & Telecom category.
- 8.4% of websites using Mailgun are in the Computers & Electronics category.
| Category | Websites |
|---|---|
| Arts & Entertainment | 54,057 |
| Business & Industrial | 48,992 |
| Internet & Telecom | 21,574 |
| Computers & Electronics | 17,253 |
| People & Society | 12,691 |
| Shopping | 11,557 |
| Hobbies & Leisure | 9,812 |
| Health | 8,759 |
| Home & Garden | 8,354 |
| Science | 7,083 |
Technologies Co-installed with Mailgun
These are the technologies most commonly found alongside Mailgun on the same websites.
| Technology | Websites |
|---|---|
| Squarespace | 46,187 |
| Cloudflare | 37,822 |
| Google Tag Manager | 36,685 |
| Google Adsense | 32,889 |
| Google Ads Pixel | 31,131 |
| Google Analytics | 30,857 |
| Google Analytics 4 | 18,941 |
| YouTube Player | 17,611 |
| Facebook Pixel | 16,745 |
| Wordpress | 16,124 |
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