Types of Web Push Notifications

The process of sending web push notifications requires you to first create a personalization.
Navigate to Experience > Message > Web Push. Once you click the Create button, choose the type of web push you'd want to create:

Single Push

Single push notification allows you to send one-off and recurring push notifications to your users. You can segment your users or target all of them.

Trigger Push

Trigger push notification is an on-site push notification based on the rules you have created. It is triggered based on the instant behavior of the users on your website.

Cart Reminder Push

Cart Reminder push notification is also an on-site push like the trigger push that sends a notification to the users who've added a product to their cart but didn't buy it.

In Stock Alert Push

In Stock push notification is used to notify users that the products are back in stock. You set the rule for the campaign based on the user's visiting information (visiting time and day) in the Rules step. 

Price Alert Push 

Price Alert push notification is used to notify users about the prices of products that are decreasing or increasing. You choose the type of price alert push (increased or decreased), the percentage, and visiting information of the user in the Rules step.