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
28
Open Page Rank 8+
3
435
Open Page Rank 7+
4
1,747
Open Page Rank 6+
4
3,586
Open Page Rank 5+
4
7,052
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
11
328,496
India
18
198,355
Indonesia
10
111,209
Russia
5
98,336
Italy
10
91,922
Türkiye
7
90,959
Argentina
6
90,391
Spain
10
86,285
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | ChatStack | WhatsApp Business Chat |
|---|---|---|
| LCP | 1.7 s | 2.3 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 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.