This article investigates one of the reasons that negatively impact delivery rates for web push. First it shows that web push subscriptions can last many years without expiring, then it proves a negative correlation between the age of a web push subscription and its expected delivery rate.
Useful information for debugging and errors related to web push notifications.
Debugging service workers and push with Firefox
If you have problems with web push or with other service worker based technologies on Firefox, then you probably want to use the Firefox developer tools for debugging.
Migrate to Pushpad from another service
If you currently use a service different from Pushpad and you want to migrate your existing web push subscribers to Pushpad you can follow these steps:
Reset browser permission for web push notifications
Many issues related to web push notifications can be solved by simply resetting the browser permission. That removes the old browser subscription and creates a new subscription.
Update the Pushpad service worker to the latest version
In the last months we have rolled out new notification features and other performance improvements.
If you use Pushpad Pro, in order to receive the update, you should make a small change to your service worker.
Inspect service workers with Chrome
If you work with the Push API or service workers in general you know that debugging can be a pain. Fortunately Chrome has two hidden gems that can save you many headaches.
Update the service worker and the scripts imported with importScripts
In order for the update to take effect you need to:
Unable to generate ICNS file for push notification package [solved]
If you are struggling with the error above, but all your icons of the push package are of the correct size, you have probably set the wrong DPI.
Safari push notifications stop working after some time
These days we have investigated an issue related to Safari.
Sometimes it happens that you subscribe to the push notifications of a website, but after some time you don’t receive notifications anymore.
At first we thought that our system had a bug, but it’s not like that.
Service worker: importScripts never updates scripts
Pushpad is a service for web push notifications. In order to add push notifications to their websites, our customers need to install the service worker that we provide on their websites.
Initially we just asked customers to copy and paste the whole content of the service worker. However this meant that for every update we made to the script, our customers had to take action.
Then we discovered