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
33
Open Page Rank 8+
15
594
Open Page Rank 7+
22
2,378
Open Page Rank 6+
38
5,008
Open Page Rank 5+
51
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
315
79,971
United Kingdom
147
32,456
Canada
123
25,014
India
641
24,437
Germany
119
18,963
Australia
83
18,461
France
138
17,380
Netherlands
71
16,595
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, Sep 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 |