Klaviyo vs Vizury
Head-to-head usage across the sites we track.
Top sites by authority
Klaviyo · Vizury · 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
0
Open Page Rank 7+
473
2
Open Page Rank 6+
1,250
3
Open Page Rank 5+
3,055
4
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Klaviyo · Vizury · share of sites in each country using one or the other
United States
94,562
35
United Kingdom
37,244
27
Canada
29,978
27
Australia
27,541
23
Germany
24,145
24
France
21,230
23
India
20,024
31
Spain
16,028
17
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Klaviyo | Vizury |
|---|---|---|
| LCP | 1.6 s | 2.3 s |
| INP | 100 ms | 150 ms |
| CLS | 0 | 0.05 |
| TTFB | 500 ms | 800 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.