You can send a web push notification to all your subscribers or reach only some of them: Segmentino offers different ways to target specific users or segments.for instance, send notifications for specific users, or group of users, you can target users or groups of users by tags and etc..

Adding a Goal to your message makes it easy to see how successful your message is at driving specific user behavior and ROI. Goals are an optional feature that creates a separate Goal metric in your message’s Analytics.

While the default message metrics such as open rate are good for optimizing the top of the funnel, Message Goals can give more insight into

Web Push Notification is a new and important marketing channel for e-commerce
push notification is quickly gaining popularity in e-commerce and has become a marketing channel that online stores cannot afford to miss.
Smart Push Marketing is built to help you recapture your lost sales, generate new traffic and boost sales. 

A/B Testing is a way to compare two notifications to determine which performs better. Marketers often use A/B testing to test different variations of the same message, or whether a notification with an image performs better than a text-only notification. 

Google approved an extension, that allows AMP pages to incorporate web push notifications. This is especially valuable for news publishers and bloggers, who previously have had to decide between supporting the speed of AMP pages or the audience-engagement of push notifications.