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
6
Open Page Rank 8+
23
95
Open Page Rank 7+
64
348
Open Page Rank 6+
104
668
Open Page Rank 5+
226
1,222
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
7,566
5,570
United Kingdom
1,835
2,638
Canada
1,640
1,989
India
1,127
1,890
Czechia
110
2,643
Italy
658
1,916
Germany
661
1,833
France
755
1,573
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Mailmunch | SparkPost |
|---|---|---|
| LCP | 1.7 s | 1.7 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 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.