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+
2
434
Open Page Rank 7+
3
1,755
Open Page Rank 6+
3
3,576
Open Page Rank 5+
3
7,059
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
307,890
India
14
183,638
Indonesia
7
97,658
Argentina
5
85,793
Russia
2
84,025
Italy
7
83,186
Türkiye
5
81,205
Spain
7
79,205
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, 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.