Mailman vs Sendgrid
Head-to-head usage across the sites we track.
Top sites by authority
Mailman · Sendgrid · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
2
45
Open Page Rank 8+
26
717
Open Page Rank 7+
50
3,361
Open Page Rank 6+
54
7,038
Open Page Rank 5+
59
12,779
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Mailman · Sendgrid · share of sites in each country using one or the other
United States
96
78,320
Brazil
63
30,202
United Kingdom
60
27,462
Germany
65
24,487
Canada
49
22,678
India
86
22,129
Australia
44
17,834
France
57
17,072
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Mailman | Sendgrid |
|---|---|---|
| LCP | 1.5 s | 1.8 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 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.