If you subscribe to the notifications of some websites, you may sometimes see a strange notification with this content: “This site has been updated in the background”. What does that mean? And if you are the website owner, how can you prevent that notification?
push-api
What happens to the push subscription when you clear data from browser?
A user visits a website and subscribes to the notifications. Then, after some time, he opens the browser settings and clicks “clear data” in order to remove the history and all the data stored by the browser on the device. What happens to the notifications in this case?
Web Push Notifications: multiple accounts on the same browser
How can you manage push notifications when a user uses multiple accounts on the same browser? What can you do if multiple users use the same device / browser?
Web Push: wake up a phone from deep sleep with urgent notifications
Is it possible to instantly deliver a web push notification to notify a phone call or to deliver any other time-sensitive notification?
Web push notifications: user log in and log out
How can you associate a push subscription to a specific user? How can you implement log-in and log-out for web push notifications?
Add analytics to web push notifications
How can you collect analytics for web push notifications (e.g. clicks)?
Difference between PushManager subscribe and getSubscription
These two methods defined by the Push API are used to get the push subscription from the browser. What is the difference between them?
Web Push Notifications: store the subscription in the backend / database
When a user is visiting your website and subscribes to notifications, you get a push subscription, which must be stored somewhere (in a database) in order to send notifications to that user.
Web Push: how to check if a push endpoint is still valid
How can you verify that a push subscription is still valid (and not invalid or expired)? How can you detect if a user has unsubscribed and the subscription is no longer valid?
Chrome Push Notifications: This site has been updated in the background
What can you do if you receive that notifications? What does it mean? How can you fix it?
Push API: detect browser support (feature detection)
How can you find out if the current browser supports the Push API and Web Push Notifications?
Web Push: send a notification to all users
Sometimes you just need to send the same notification to all users that have subscribed to your website notifications. Let’s see how to achieve that.
Send recurring web notifications to re-engage your users
Recurring web notifications (e.g. every day, every week, every month, etc.) can be a simple strategy to re-engage your website users.
Schedule or delay a web notification (like a reminder)
How can you create a web notification now that is displayed some time later?
Can you display notifications when the browser is closed?
Is it possible to display the notifications from a website even when Chrome, Firefox or other browsers are closed?
Web Push: what is an endpoint?
If you are implementing web push notifications on a website you should be familiar with the concept of endpoint.
Web Push errors explained (with HTTP status codes)
When you send a web push notification to a browser push service, you may get an HTTP status code that represents an error.
How to send push notifications from a closed web app
One of the major features of web apps (both on desktop and mobile browsers) is the ability to send push notifications that are delivered even when the website is closed.
Web Push: what is VAPID (applicationServerKey)?
If you are adding web push notifications to a website, you will probably hear about VAPID. Let’s see what it is and why it’s useful.
What is the difference between Push API / Web Push and Server-Sent Events / WebSockets?
When you need to send events from you application server (backend) there are various technologies that you can use.