Klaviyo vs Shanon
Head-to-head usage across the sites we track.
Top sites by authority
Klaviyo · Shanon · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
20
0
Open Page Rank 8+
117
10
Open Page Rank 7+
471
35
Open Page Rank 6+
1,263
62
Open Page Rank 5+
3,084
94
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Klaviyo · Shanon · share of sites in each country using one or the other
United States
94,981
45
United Kingdom
37,521
20
Canada
29,443
19
Australia
27,360
19
Germany
24,684
19
France
21,379
19
India
19,044
39
Spain
16,856
19
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Klaviyo | Shanon |
|---|---|---|
| LCP | 1.5 s | 1.5 s |
| INP | 100 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 500 ms |
Median site's p75 values from the Chrome UX Report, Oct 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.