ChatStack vs WhatsApp Business Chat
Head-to-head usage across the sites we track.
Top sites by authority
ChatStack · WhatsApp Business Chat · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
29
Open Page Rank 8+
2
435
Open Page Rank 7+
3
1,745
Open Page Rank 6+
3
3,596
Open Page Rank 5+
3
7,043
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
ChatStack · WhatsApp Business Chat · share of sites in each country using one or the other
Brazil
8
302,897
India
15
187,107
Indonesia
6
96,586
Argentina
4
87,144
Italy
7
85,323
Spain
9
84,144
Russia
2
83,404
Türkiye
5
81,787
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | ChatStack | WhatsApp Business Chat |
|---|---|---|
| LCP | 1.7 s | 2.2 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 900 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.