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
5
Open Page Rank 7+
3
10
Open Page Rank 6+
3
12
Open Page Rank 5+
3
19
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
32
7,705
United Kingdom
13
2,805
India
15
2,330
Canada
14
2,285
Germany
8
1,970
France
19
1,829
Australia
12
1,757
Italy
7
1,598
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 | 100 ms |
| CLS | 0 | 0 |
| TTFB | 800 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.