I’ve been playing with ideas in terms of writing about some Progressive Web App guidelines at one point in the future, but I thought I’d first tackle what a Progressive Web App really is, especially since it’s a topic which has come up more than once in Front End interview sessions I’ve recently been participating in.

Fiery debates over TDD approaches and unit testing strategies loom over many technical interviews, pull request reviews and around the water cooler in countless open-plan offices across the industry. We’re passionate about this and we want everybody else to know it.