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
15
Open Page Rank 8+
7
254
Open Page Rank 7+
44
1,096
Open Page Rank 6+
114
2,422
Open Page Rank 5+
210
4,597
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
131
27,194
United States
1,220
19,846
Germany
142
14,837
Italy
120
14,444
United Kingdom
302
12,352
Spain
134
10,837
India
410
10,040
Netherlands
133
8,273
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 | 1000 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.