Sendinblue vs Sleeknote
Head-to-head usage across the sites we track.
Top sites by authority
Sendinblue · Sleeknote · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
14
1
Open Page Rank 8+
263
7
Open Page Rank 7+
1,127
54
Open Page Rank 6+
2,466
120
Open Page Rank 5+
4,672
254
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Sendinblue · Sleeknote · share of sites in each country using one or the other
France
30,954
558
United States
22,537
1,585
Germany
16,656
810
Italy
15,681
406
United Kingdom
13,949
856
Spain
11,748
441
India
11,543
569
Netherlands
9,324
634
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Sendinblue | Sleeknote |
|---|---|---|
| LCP | 2 s | 1.7 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 700 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 Sleeknote
| Domain | When |
|---|---|
| jyskcampingudlejning.dk | Sep 2025 |
Sleeknote to Sendinblue
| Domain | When |
|---|---|
| bristolcraftbeerfestival.co.uk | Jan 2026 |
| egypttoursplus.com | Dec 2025 |