Websites using Mailgun
The best email API solution for connection-driven businesses.
Mailgun is currently installed on 483,439 websites.
In this report
Download a complete list of websites using Mailgun with a paid account.
Create a free account to get a feel for the data we provide.
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 |
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 | 49 |
| substack.com | Substack | 52 |
| haveibeenpwned.com | Have I Been Pwned: Check if your email address has been exposed in a data breach | 140 |
| obsidian.md | Obsidian - Sharpen your thinking | 310 |
| rockhall.com | Rock & Roll Hall of Fame | 1,143 |
Top Countries for Websites Using Mailgun
Here is the country breakdown for websites with Mailgun installed.
- 2.2% of websites using Mailgun are in United States
- 1.3% of websites using Mailgun are in United Kingdom
- 0.9% of websites using Mailgun are in Canada
| Country | Websites |
|---|---|
| Unknown | 443,744 |
| United States | 10,617 |
| United Kingdom | 6,464 |
| Canada | 4,429 |
| Australia | 2,335 |
| Montenegro | 1,683 |
| Germany | 1,620 |
| India | 1,352 |
| France | 1,259 |
| Brazil | 913 |
Top Categories for Websites Using Mailgun
Here are the top industry verticals for websites using Mailgun.
- 33.1% of websites using Mailgun are in the Business & Industrial category.
- 20.8% of websites using Mailgun are in the Arts & Entertainment category.
- 18% of websites using Mailgun are in the Internet & Telecom category.
- 7.1% of websites using Mailgun are in the Computers & Electronics category.
| Category | Websites |
|---|---|
| Business & Industrial | 159,857 |
| Arts & Entertainment | 100,782 |
| Internet & Telecom | 87,124 |
| Computers & Electronics | 34,351 |
| People & Society | 23,075 |
| Shopping | 22,571 |
| Hobbies & Leisure | 17,876 |
| Home & Garden | 17,073 |
| Health | 16,073 |
| Beauty & Fitness | 11,958 |
Technologies Co-installed with Mailgun
These are the technologies most commonly found alongside Mailgun on the same websites.
| Technology | Websites |
|---|---|
| Squarespace | 89,198 |
| Cloudflare | 72,372 |
| Google Tag Manager | 53,461 |
| GoDaddy Online Store | 50,749 |
| Google Adsense | 47,306 |
| Google Ads Pixel | 44,953 |
| Google Analytics | 43,529 |
| Google Analytics 4 | 28,994 |
| Facebook Pixel | 25,124 |
| YouTube Player | 24,608 |
Get More Insights
Access the full dataset, including detailed technology reports, historical data, and exports. Create a free account to explore what Website Data has to offer.
Get Started