Within the e-commerce niche, conversions matter the most - how you convert a window shopper into an actual buyer. This means removing all sorts of friction points. Turns out PWA is really good at page load and it works just fine.

Flipkart, a major e-commerce firm in India, increased its conversions by 70% just through their PWA approach: https://developers.google.com/web/showcase/2016/flipkart