>whatsapp works great in the browser on a laptop. I had used WhatsApp in the browser on a desktop some years ago, at web.whatsapp.com, but when I tried the sam

>whatsapp works great in the browser on a laptop. I had used WhatsApp in the browser on a desktop some years ago, at web.whatsapp.com, but when I tried the same site recently from a mobile browser, it redirected me to plain whatsapp.com, and asked me to install the mobile app. I guess that was because it detected that my browser was on a mobile phone, by the user agent header.