Klaviyo vs SendPulse
Head-to-head usage across the sites we track.
Top sites by authority
Klaviyo · SendPulse · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
20
2
Open Page Rank 8+
117
12
Open Page Rank 7+
471
24
Open Page Rank 6+
1,263
39
Open Page Rank 5+
3,084
67
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Klaviyo · SendPulse · share of sites in each country using one or the other
United States
94,628
224
United Kingdom
37,132
150
Canada
29,501
88
Australia
27,110
46
Germany
23,957
259
France
20,942
124
India
19,705
143
Spain
16,472
133
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Klaviyo | SendPulse |
|---|---|---|
| LCP | 1.6 s | 2.1 s |
| INP | 100 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 1000 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Klaviyo to SendPulse
| Domain | When |
|---|---|
| bezet.com | Sep 2026 |