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+
1
48
Open Page Rank 8+
27
726
Open Page Rank 7+
54
3,396
Open Page Rank 6+
61
7,026
Open Page Rank 5+
66
12,792
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
97
77,691
Brazil
59
29,902
United Kingdom
63
27,744
Germany
62
23,957
Canada
52
22,751
India
88
21,768
Australia
43
17,448
France
60
17,216
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 | 800 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.