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
15
Open Page Rank 8+
1
254
Open Page Rank 7+
1
1,096
Open Page Rank 6+
1
2,422
Open Page Rank 5+
1
4,597
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
27,194
United States
8
19,846
Germany
2
14,837
Italy
1
14,444
United Kingdom
6
12,352
Spain
17
10,837
India
7
10,040
Netherlands
1
8,273
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | ManyContacts | Sendinblue |
|---|---|---|
| LCP | 2.5 s | 2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 1150 ms | 1000 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.