PWA is the more common of the two in our index: it runs on 13,300 websites against 8,554 for Webpack, and 2,852 sites use both. Counts come from real scans, not vendor claims.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
Webpack is an open-source JavaScript module bundler.
2,852 sites run both PWA and Webpack. That is 33% of the sites using Webpack, the smaller of the two.
Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.