Klaviyo vs Xtremepush
Head-to-head usage across the sites we track.
Top sites by authority
Klaviyo · Xtremepush · 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
1
Open Page Rank 7+
473
7
Open Page Rank 6+
1,250
15
Open Page Rank 5+
3,055
29
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Klaviyo · Xtremepush · share of sites in each country using one or the other
United States
94,562
150
United Kingdom
37,244
174
Canada
29,978
81
Australia
27,541
64
Germany
24,145
107
France
21,230
73
India
20,024
90
Spain
16,028
84
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Klaviyo | Xtremepush |
|---|---|---|
| LCP | 1.6 s | 2.8 s |
| INP | 100 ms | 225 ms |
| CLS | 0 | 0.1 |
| TTFB | 500 ms | 700 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.