Category Archives: webdev

What, Exactly, Makes Something A Progressive Web App?

Since Frances and I published a blog post last year introducing Progressive Web Apps, a healthy conversation has started about what is and isn’t a PWA. There are a lot of opinions and many shades of gray. What are the hard requirements? Which requirements are marginal? What’s aspirational? This article outlines these requirements, attempts to […]

PWA Discovery: You Ain’t Seen Nothin Yet

Ada pitched into the conversation about the state of PWAs — particularly Chrome’s heuristics which prompted a Twitter discussion about some of the finer points of the user and developer experience. The background to these conversations is that today, the way users learn that they can install a Progressive Web App is via a prompt […]

Not The Post I Wanted To Be Writing…

I was on holiday after I/O last week when Jeremy wrote up some of his thoughts on the current state of PWA UI treatment for URL access. We chatted on Twitter (apologies to Frances) and he followed up here. A few things seem obscured by the debate so far: Most “opens” of PWAs happen in […]

Service Workers and PWAs: It’s About Reliable Performance, Not “Offline”

A lot of smart folks keep asking me why AppCache isn’t a good enough solution for “offline” and why it was necessary to invent Service Workers. It’s a great question! Motivated by the regrettably uneven browser support landscape for Service Workers, there’s a real incentive to “just make something work offline” on iOS or old-IE. […]