Act-On vs Sendinblue
Head-to-head usage across the sites we track.
Top sites by authority
Act-On · Sendinblue · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
14
Open Page Rank 8+
10
263
Open Page Rank 7+
50
1,127
Open Page Rank 6+
118
2,466
Open Page Rank 5+
213
4,672
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Act-On · Sendinblue · share of sites in each country using one or the other
France
182
30,954
United States
1,395
22,537
Germany
184
16,656
Italy
133
15,681
United Kingdom
369
13,949
India
483
11,543
Spain
158
11,748
Netherlands
152
9,324
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Act-On | Sendinblue |
|---|---|---|
| LCP | 2 s | 2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 900 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.