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+
71
7
Open Page Rank 8+
1,218
15
Open Page Rank 7+
5,162
22
Open Page Rank 6+
9,989
38
Open Page Rank 5+
16,705
51
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
68,578
315
United Kingdom
30,605
147
India
29,573
641
Canada
23,708
123
Germany
23,173
119
Brazil
22,083
179
France
19,706
138
Spain
19,597
125
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, 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.
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 |