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+
13
7
Open Page Rank 8+
250
22
Open Page Rank 7+
1,100
33
Open Page Rank 6+
2,435
52
Open Page Rank 5+
4,621
80
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
25,958
236
United States
19,918
3,078
Germany
14,883
247
Italy
13,878
266
United Kingdom
12,372
640
India
10,203
476
Spain
10,428
183
Netherlands
8,237
166
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 | 700 ms |
Median site's p75 values from the Chrome UX Report, Aug 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 |
|---|---|
| leadershipiq.com | Aug 2026 |
| waxandcalm.com | May 2026 |