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+
7
32
Open Page Rank 8+
15
592
Open Page Rank 7+
25
2,377
Open Page Rank 6+
43
5,007
Open Page Rank 5+
59
9,296
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
330
80,356
United Kingdom
139
32,182
India
642
24,828
Canada
122
25,031
Germany
122
19,175
Australia
78
18,734
France
136
17,309
Netherlands
69
16,271
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, Aug 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 |