Amazon SES vs SparkPost
Head-to-head usage across the sites we track.
Top sites by authority
Amazon SES · SparkPost · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
71
6
Open Page Rank 8+
1,218
92
Open Page Rank 7+
5,162
347
Open Page Rank 6+
9,989
667
Open Page Rank 5+
16,705
1,220
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 · SparkPost · share of sites in each country using one or the other
United States
68,578
5,570
United Kingdom
30,605
2,638
India
29,573
1,890
Canada
23,708
1,989
Germany
23,173
1,833
Brazil
22,083
1,177
France
19,706
1,573
Spain
19,597
1,522
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Amazon SES | SparkPost |
|---|---|---|
| LCP | 1.8 s | 1.7 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 SparkPost
| Domain | When |
|---|---|
| aseguramos-online.es | Aug 2026 |
| swiftpinnacleloan.com | Nov 2025 |
SparkPost to Amazon SES
| Domain | When |
|---|---|
| housingbasics.com | Aug 2026 |