Mailmunch vs SparkPost
Head-to-head usage across the sites we track.
Top sites by authority
Mailmunch · SparkPost · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
8
7
Open Page Rank 8+
22
93
Open Page Rank 7+
62
354
Open Page Rank 6+
108
687
Open Page Rank 5+
234
1,243
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Mailmunch · SparkPost · share of sites in each country using one or the other
United States
8,794
6,224
United Kingdom
2,158
2,983
Canada
1,929
2,263
India
1,343
2,180
Czechia
121
2,915
France
957
1,943
Germany
783
2,072
Italy
764
2,084
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Mailmunch | SparkPost |
|---|---|---|
| LCP | 1.7 s | 1.8 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 800 ms |
Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.