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Understand HTML5 Browser Push Notifications through an example & demo

One of the technological gaps between HTML5 / browser based apps on one side and native apps on the other has been the ability to send push notifications. Until 2 years ago, HTML5 applications were not able to send browser notifications. That is no longer the case. HTML5 Browser Push notifications let your HTML5 web app extend beyond the browser, and enables developers and marketers to engage with their users even when they are not on the website - just like native apps. To demonstrate how HTML browser push notifications works, we have created an example demo for you. Inside the dialpad on this page, you will see four buttons - each corresponding to a sample scenario. Please go ahead and click on one of the buttons to see how website push notifications work.

To enable HTML5 push notification example in your web app, we recommend you take a look at our API comparison table further below to see which one best suits your requirements.


Click on one of buttons below to see how web push notifications work.

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Price Per Month
(50K Subscribers)
Customer Reviews
?Our final rank based on a multitude of factors such as features, pricing, ease-of-use, enterprise scalability, customer reviews, customer support, etc.
?We expect vendors to pre-load images associated with the message to their CDNs before the push notification is sent out to shield original website (or their CDN) from image load requests. This is particularly important for push messages sent out using APIs or WordPress Plugins. If this is not supported then the original website will either face higher load (slow load times) immediately after a push message is sent out - OR higher CDN costs .
?Web Push Notifications are not supported by non-HTTPS sites. Push companies offer custom subdomains for non-HTTPS sites so that site visitors are able to see a popup window to the custom subdomain at the time of opt-in. Keep in mind that when push message is received by a subscriber of non-HTTPS site, it shows as sent by the custom subdomain.
?Being able to create audience groups that can be later used to send targeted push campaigns. Example: Send a promotional discount message to visitors from a specific country, who have previously visited a specific page.
Safari Mac
?For a non-HTTPS site, we expect the push notification company to offer a shared P12 certificate and, as a result, a seamless Safari integration. For HTTPS sites, we expect companies to let site owners upload their custom P12 certificate because shared certificate should not be used by HTTPS site owners. Keep in mind that if your site is HTTPS, you will need to make an Apple Developer account (which costs $99/year paid to Apple directly) to create a custom P12 certificate. The entire process is simple and should not take more than 1 hour from start to finish.
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Team Members
?Being able to set an event, such as a page visit, as a conversion goal before a push notification message is sent out.
Event Based
Auto Push
?Being able to set automation rules where a pre-composed web push notification is sent out anytime someone triggers a pre-defined event such as a specific page load. Example: send out a warm welcome message any time someone signs up to your website.
User Analytics
User Attributes
?Being able to add custom subscriber information from your internal CRM systems (such as User ID, Name, E-mail, Phone, etc.) to each subscriber so push notifications can be sent based on Custom Attributes.
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VWO (PushCrew)

Rank: 3

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Additional HTML5 Push Notification Examples:


Step-by-step Breakdown of HTML5 Push Notifications Example

  • Step 1: Subscriber Opt In: HTML5 Push can only start when a site visitor is actively prompted to accept receiving push notifications from the HTML5 app. This is an HTML5 requirement and it cannot by skipped or bypassed. Once the user "Allows" for HTML5 to receive push, the subscriber end point information is sent to browser push API company that stores this endpoint information for you. Think of the end point as an address for this visitor.
  • Step 2: As you saw in our HTML5 Push Notification Demo above, once you accepted to receive push message, you were able to receive the push message outside the HTML5 container. This demonstrates that HTML5 push notifications work just like a native app push.


Key components of HTML5 push notification demo

An HTML5 push notification basically consists of following 3 key components and is identical to native app push message:

  • 1- Notification Title (the headline of the push message)
  • 2- Notification Message (the second line in the push message)
  • 2- Destination URL (The URL you visit if you click on the push message)
Frequently Asked Question

Why should I use an API for HTML5 Push Notifications? Can I not develop my own API?

The HTML5 standard around push notifications is currently evolving. Each browser manages HTML5 push events slightly differently and being able to create the necessary infrastructure and interconnect with browser gateways is not straight forward. You can certainly create your own HTML5 push notifications infrastructure but our strong recommendation for most companies is to leverage one of the existing API providers that have already spent years developing and stabilizing their HTML5 Push APIs.

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