Sendinblue vs Zotabox
Head-to-head usage across the sites we track.
Top sites by authority
Sendinblue · Zotabox · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
14
7
Open Page Rank 8+
263
21
Open Page Rank 7+
1,127
37
Open Page Rank 6+
2,466
56
Open Page Rank 5+
4,672
87
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Sendinblue · Zotabox · share of sites in each country using one or the other
France
30,954
296
United States
22,537
3,542
Germany
16,656
277
Italy
15,681
309
United Kingdom
13,949
781
India
11,543
553
Spain
11,748
200
Netherlands
9,324
195
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Sendinblue | Zotabox |
|---|---|---|
| LCP | 2 s | 1.6 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 600 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Sendinblue to Zotabox
| Domain | When |
|---|---|
| amnasorganics.com | Sep 2025 |
Zotabox to Sendinblue
| Domain | When |
|---|---|
| waxandcalm.com | May 2026 |
| qualityprintsusa.com | Aug 2025 |
| onlinegothic.co.uk | Aug 2025 |