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+
28
718
Open Page Rank 7+
53
3,368
Open Page Rank 6+
59
7,019
Open Page Rank 5+
64
12,796
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
103
86,052
Brazil
63
32,654
United Kingdom
69
31,228
Germany
77
27,028
Canada
54
25,606
India
91
24,793
France
63
20,521
Australia
47
19,815
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, 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.