Amazon SES vs EmailJS
Head-to-head usage across the sites we track.
Top sites by authority
Amazon SES · EmailJS · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
68
7
Open Page Rank 8+
1,210
15
Open Page Rank 7+
5,141
25
Open Page Rank 6+
9,940
43
Open Page Rank 5+
16,692
59
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Amazon SES · EmailJS · share of sites in each country using one or the other
United States
67,827
330
United Kingdom
30,161
139
India
29,401
642
Canada
23,344
122
Germany
23,317
122
Brazil
21,901
181
France
19,422
136
Australia
18,824
78
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Amazon SES | EmailJS |
|---|---|---|
| LCP | 1.8 s | 2 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.
Amazon SES to EmailJS
| Domain | When |
|---|---|
| mobulous.com | Feb 2026 |
EmailJS to Amazon SES
| Domain | When |
|---|---|
| proteckd.com | Jul 2026 |
| fairexpay.com | May 2026 |
| kasabeauty.at | Mar 2026 |