Sendinblue vs Shanon
Head-to-head usage across the sites we track.
Top sites by authority
Sendinblue · Shanon · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
13
0
Open Page Rank 8+
250
10
Open Page Rank 7+
1,100
34
Open Page Rank 6+
2,435
63
Open Page Rank 5+
4,621
93
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Sendinblue · Shanon · share of sites in each country using one or the other
France
25,958
19
United States
19,918
46
Germany
14,883
18
Italy
13,878
18
United Kingdom
12,372
20
Spain
10,428
19
India
10,203
45
Netherlands
8,237
17
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Sendinblue | Shanon |
|---|---|---|
| LCP | 2 s | 1.4 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 500 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.