ChatStack vs Shopify Chat
Head-to-head usage across the sites we track.
Top sites by authority
ChatStack · Shopify Chat · 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+
2
11
Open Page Rank 7+
3
28
Open Page Rank 6+
3
44
Open Page Rank 5+
3
87
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
ChatStack · Shopify Chat · share of sites in each country using one or the other
United States
37
18,334
United Kingdom
11
6,074
Canada
15
4,763
India
14
4,640
Australia
11
4,150
Germany
9
3,852
France
16
3,720
Italy
7
2,850
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | ChatStack | Shopify Chat |
|---|---|---|
| LCP | 1.7 s | 1.5 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 500 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.