emBlue vs Sendinblue
Head-to-head usage across the sites we track.
Top sites by authority
emBlue · Sendinblue · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
13
Open Page Rank 8+
1
250
Open Page Rank 7+
5
1,100
Open Page Rank 6+
12
2,435
Open Page Rank 5+
29
4,621
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
emBlue · Sendinblue · share of sites in each country using one or the other
France
53
25,958
United States
199
19,918
Germany
56
14,883
Italy
60
13,878
United Kingdom
41
12,372
Spain
180
10,428
India
42
10,203
Netherlands
31
8,237
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | emBlue | Sendinblue |
|---|---|---|
| LCP | 2.7 s | 2 s |
| INP | 125 ms | 75 ms |
| CLS | 0.05 | 0 |
| TTFB | 1100 ms | 900 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 emBlue
| Domain | When |
|---|---|
| superelcondor.com.ar | Jun 2026 |
| bvmconsultores.com | Sep 2025 |