Klaviyo vs SMSBump
Head-to-head usage across the sites we track.
Top sites by authority
Klaviyo · SMSBump · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
17
0
Open Page Rank 8+
117
0
Open Page Rank 7+
456
0
Open Page Rank 6+
1,239
0
Open Page Rank 5+
3,036
0
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Klaviyo · SMSBump · share of sites in each country using one or the other
United States
103,547
50
United Kingdom
40,783
18
Canada
33,265
17
Australia
30,331
11
Germany
26,133
9
France
23,908
9
India
22,437
16
Spain
16,738
8
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Klaviyo | SMSBump |
|---|---|---|
| LCP | 1.6 s | 1.7 s |
| INP | 100 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 500 ms |
Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.