Weekly news: PWA Issue on iOS, Performance Culture, Anti-Tracking in Browsers


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Šime posts regular content for web developers on webplatform.news. Each week, he covers timely news at the intersection of development standards and the tools that make them available on the web.

Installed PWAs cannot easily be restarted on iOS

Maximiliano Firtman: On iOS, it is not possible to restart an installed PWA by closing it from the recently used apps screen and then immediately reopening it. Instead of restarting the app, iOS restores its state. This can be a problem for users if the PWA gets stuck in a broken state.

After some undefined time, the saved context seems to disappear. So if you get out of the PWA, do nothing with your phone and wait some hours to go back to the PWA, it restarts from scratch.

Instilling a performance culture at The Telegraph

Gareth Clubb: At The Telegraph (a major UK newspaper), we set up a web performance working group to tackle our “organizational” performance challenges and instill a performance culture. The group meets regularly to review third-party tags and work on improving our site’s performance.

We’ve started deferring all JavaScript (including our own) using the


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