EmailJS vs Mailgun
Head-to-head usage across the sites we track.
Top sites by authority
EmailJS · Mailgun · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
8
32
Open Page Rank 8+
16
587
Open Page Rank 7+
26
2,395
Open Page Rank 6+
40
5,020
Open Page Rank 5+
56
9,287
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
EmailJS · Mailgun · share of sites in each country using one or the other
United States
348
88,542
United Kingdom
148
36,088
Canada
136
28,317
India
666
27,650
Germany
126
21,441
Australia
73
20,734
France
149
20,584
Netherlands
78
18,415
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | EmailJS | Mailgun |
|---|---|---|
| LCP | 2 s | 1.8 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 700 ms |
Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Mailgun to EmailJS
| Domain | When |
|---|---|
| crew.cl | Jun 2026 |