Kartra vs OneSignal
Head-to-head usage across the sites we track.
Top sites by authority
Kartra · OneSignal · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
12
Open Page Rank 8+
1
180
Open Page Rank 7+
2
750
Open Page Rank 6+
2
1,480
Open Page Rank 5+
8
2,514
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Kartra · OneSignal · share of sites in each country using one or the other
India
65
14,332
United States
390
12,390
Brazil
18
9,729
Germany
35
7,819
United Kingdom
103
7,472
France
30
6,996
Italy
61
6,485
Spain
22
6,382
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Kartra | OneSignal |
|---|---|---|
| LCP | 2.3 s | 2.5 s |
| INP | 75 ms | 100 ms |
| CLS | 0.05 | 0.05 |
| TTFB | 1000 ms | 1000 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.