ManyContacts vs Sendinblue
Head-to-head usage across the sites we track.
Top sites by authority
ManyContacts · Sendinblue · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
14
Open Page Rank 8+
1
263
Open Page Rank 7+
1
1,127
Open Page Rank 6+
1
2,466
Open Page Rank 5+
1
4,672
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
ManyContacts · Sendinblue · share of sites in each country using one or the other
France
5
30,954
United States
11
22,537
Germany
3
16,656
Italy
1
15,681
United Kingdom
5
13,949
Spain
24
11,748
India
11
11,543
Netherlands
1
9,324
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | ManyContacts | Sendinblue |
|---|---|---|
| LCP | 2.2 s | 2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 1100 ms | 900 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.