CartStack vs PushOwl Web Push Notifications
Head-to-head usage across the sites we track.
Top sites by authority
CartStack · PushOwl Web Push Notifications · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
2
Open Page Rank 8+
4
4
Open Page Rank 7+
18
8
Open Page Rank 6+
28
21
Open Page Rank 5+
45
49
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
CartStack · PushOwl Web Push Notifications · share of sites in each country using one or the other
Brazil
2,864
155
United States
1,101
1,078
United Kingdom
140
642
Canada
223
518
India
146
534
Australia
95
412
Germany
66
406
France
63
341
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | CartStack | PushOwl Web Push Notifications |
|---|---|---|
| LCP | 2 s | 1.7 s |
| INP | 100 ms | 125 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 500 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.
All CartStack sites · All PushOwl Web Push Notifications sites