What Are Progressive Web Apps (PWA) And How Do They Work On A Website?


Various developers are now using responsive web design to improve the performance of their websites.

The year 2013 was even dubbed the "Year of Responsive Web Design," and in April 2015, Google announced Mobilegeddon, when they started favouring mobile-friendly websites in mobile search results.

Accelerated Mobile Pages (AMP) were introduced in 2016, while progressive web applications were first enabled by Chrome in 2017.

This shows how Web technology, as well as organizations who understand how to take advantage of current trends, are continually growing in amazing ways.

With the technology and the growth of web development trends, there is currently a trend called Progressive Web Apps that is being discussed.


What is a Progressive Web Application (PWA)?

In a simple terms, a Progressive Web App (PWA) is a combination of web and mobile apps. Previously, mobile apps were JavaScript applications that run in browsers and attempted to replicate the features of native apps on websites.

PWAs can help bring app UI and UX to web browsers on your mobile device, thanks to the introduction of new web APIs. Progressive Online Apps, on the other hand, are classic web applications that have been improved with new web technology to develop a more app-like experience.

Progressive Web Apps: Characteristics

After understanding what a Progressive Web App is, it's important to understand some of its characteristics:

  • PWA is progressive

No matter what browser you use or where you view the page, PWA works for everyone. So, whether you're using Chrome or Opera, or if you're accessing a website from Nigeria or Latin America, you'll be able to open it quickly.

Progressive Web Apps will perform well since they are founded on the conception of continuous improvement.

  • Responsive

Progressive Web Apps will work on any platform, including desktops, mobile phones, and tablets.

  • Web Apps are not dependent on connectivity

PWAs can still work on poor networks with the support of service workers.

  • Always up-to-date

PWA will always be up to date thanks to the service workers.

  • Designed like an app

PWAs are designed to look and feel like apps. They interact and navigate in a similar way to a mobile application.

  • Easy to find

Progressive Web Apps are classed as applications by the W3C manifest. Thanks to service workers, search engines will be able to find PWAs more easily.

  • Increase user engagement

User engagement is enhanced by PWA features such as push notifications.

  • Installation

Users and website visitors can save progressive web apps that they frequently use to their mobile home screens instead of downloading them from app stores.

  • Linkable

Without a complicated installation process, PWAs can be quickly shared with others using a URL.

How Progressive Web Apps Work

Progressive Online Apps, as previously said, are standard web apps that have been modernized using new technology. The word progressive in front of the word web apps indicates that the website is becoming more current.

The website can still be seen if the old browser does not support the new PWA features. Of course, using an updated browser will improve the website's performance.

On Windows 10 and Chrome, the app will have its own windows and shortcuts on your taskbar, as well as an icon on your homescreen (on Android devices and other smartphones).

The Cache and IndexedDB APIs, which save app resources and data on your device, allow them to load quickly when you open them. This allows them to work even when they are not connected to the internet.

Apps will be able to do background tasks like syncing and sending you notifications even when they aren't running, thanks to technologies like service workers and push notifications.

The Fetch API allows apps to request data more quickly and easily. They have a Web App Manifest file, which contains information such as the app's name, icon, author, and description, which is used when adding it to your homepage or desktop.

They're always shown through HTTPS, which ensures they're safe and data can't be tampered with while in transmission.

Progressive Web Apps differ from Google Chrome Packaged Apps and Microsoft Hosted Web Apps. They require that apps be "packaged" as files before being uploaded to the app store.

Users must therefore get it from the Chrome App Store or the Windows Store. These apps are likewise exclusively available for Chrome and Windows. The offline app files must be modified, and the new version must be submitted to the app store for updates.

Progressive Web Apps, on the other hand, are never bundled as offline files. They are totally hosted on application servers, just like the typical web applications we use today.

When a developer wants to modify their progressive web app, they do so on their servers, just like any other online app. Progressive Web Applications are compatible with all platforms and browsers that enable PWA.

PWAs can be featured in the app store to make them simpler to find and install, but the app store will only direct users to the web app server. Users will be able to find and install the app directly from their browser, even if it does not meet with app store content restrictions.

What Operating Systems and Platforms Support Progressive Web Apps?

PWA support was already enabled by Microsoft in March 2018 with the introduction of the Redstone 4 update for Windows 10. You may go to the PWA website and install it in Microsoft Edge, just like you can with other platforms.

Microsoft has, however, make Progressive Web Apps available in the Store for easy installation. Developers can list their own apps in the Store, but Microsoft will also use Bing to locate and automatically include websites that have good Progressive Web Apps.

They will continue to be hosted on the developer's website and updated as usual, but Microsoft will make it easier for users to find and install them. On Windows 10, you don't even need to open the Edge browser to search, install, and launch PWAs.

PWAs will take the place of the outdated Chrome Apps platform in Google Chrome for Windows, Mac, Linux, and Chrome OS. Support for PWA desktop installations has been available since mid-2018, according to Google.

The PWA is then used with Chrome on the desktop. This feature has been tested in Chrome Canary, an unstable developer version.

Google Chrome, as well as other mobile browsers including Mozilla Firefox, Opera, and Samsung browsers, already enable the installation of Progressive Web App on Android.

Google is developing WebAPK, which will allow PWAs to be converted into APK files (Android app files) and installed on devices like any other app. PWAs may also be included to the Play Store, according to Chrome's Project Manager.

Although Apple has been a lukewarm supporter, the Safari browser now has a Progressive Web Apps capability.

Final Thought

Progressive Web Apps have been introduced to you all in this article. While Progressive Web Apps (PWAs) strive to improve the web user experience, it's important to note that not every business need one. Businesses should consider whether their website requires a Progressive Web App.

You may not need to migrate to PWA if your business has a small website with little media content, a quick load time, and easy access to information and services of interest to users.

Building a Progressive Web App (PWA) is something that e-commerce companies should consider doing if they want to provide a mobile-first experience to their users (and potential customers) and enhance engagement and conversion rates.

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