Progressive Web App is a term you have doubtless heard if you work in the online (retail) sector.
The technology is still relatively new and has been applied only to a limited extent, but some major players, including the Nikkei Index, Tinder, Lancôme, Trivago and Uber, have already opted to develop PWAs. Several retailers including Alibaba, Debenhams and George (ASDA) also offer PWAs.
Why? Because offering PWAs leads to an improvement in important online KPIs: