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+
123
10
Open Page Rank 7+
473
34
Open Page Rank 6+
1,250
63
Open Page Rank 5+
3,055
93
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
94,562
46
United Kingdom
37,244
20
Canada
29,978
20
Australia
27,541
18
Germany
24,145
18
France
21,230
19
India
20,024
45
Spain
16,028
19
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Klaviyo | Shanon |
|---|---|---|
| LCP | 1.6 s | 1.4 s |
| INP | 100 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 500 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.