Kustomer vs WhatsApp Business Chat
Head-to-head usage across the sites we track.
Top sites by authority
Kustomer · WhatsApp Business Chat · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Kustomer · WhatsApp Business Chat · share of sites in each country using one or the other
Brazil
129
328,496
India
271
198,355
Indonesia
103
111,209
Russia
45
98,336
Italy
149
91,922
Türkiye
81
90,959
Argentina
98
90,391
Spain
159
86,285
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Kustomer | WhatsApp Business Chat |
|---|---|---|
| LCP | 2 s | 2.3 s |
| INP | 125 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
WhatsApp Business Chat to Kustomer
| Domain | When |
|---|---|
| swappie.com | Oct 2025 |