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Progressive Web Apps – The Lone Future of Applications

Native apps have conquered the market as compared to web application. Native apps are faster than web apps. They always reside on the phone and effort to run a search every time like web page is saved. Web apps till now have been dependent on connectivity unlike native apps, where the basic data can be retrieved even offline. These are few of the major reasons in favour of native apps. Taking all the factors in account the Progressive web apps concept was introduced. These web apps possess all advantages of any native app and in fact can beat them in many prospects.

Let us first understand the basics of web app development on PWA. It broadly comprises of two components:

Web App shell Architecture

This architecture or design approach sets the base of Progressive Web Application. In simplest terms, the user interface is kept away or cached differently than the other internal interface. This results in quick loading of the web page which always has been a major challenge. This shell includes the minimal basic HTML, CSS and java script to empower the app with user interface and good performance. The User interface last browsed by any user is loaded into the cache. As the user reopens this app, the pages loaded on cache are immediately recalled and displayed. Later on the app only retrieves the new and necessary data,
Service Worker

Many of us can define it as ‘proxy’

The UI is stored in the cache using this service worker. It is a script that runs in the background and keeps a check on the network requests, notifications, connectivity and other factors. It serves as the main reason behind offline operation of Progressive web apps.

This unique design and architecture describe the Progressive web apps with a whole new set of features. Some of them are:

  • It is installable

Unlike general web apps, it can be installed on home screen.

  • Fast

Since the UI is stored in cache, any selection of app displays UI instantly within seconds.

  • Operable on different form factors

It can be installed and displayed full screen on devices of any form factor. Be it desktop, mobile or tablet.

  • Connectivity Independent

The cache option enables it to work independent of data connectivity. Without internet also the last saved status of the application can be seen.

  • Discoverable

It can be very easily searched on any search engine.

  • Safe

It uses HTTPS protocol which makes it safe from any external tampering.

  • Auto Update Feature

It updated automatically whenever connected online.

  • App-like experience

It is very fast and stable. This gives the user an app like experience.

  • Progressive

It can be used on any device and with any browser. It is created to use the best of available resources on the device.

  • Re-engage able

These are created to engage the customer to the maximum with help of notification and other features. The user will be tempted to re-visit the app.

Progressive Web Apps have reduced the steps in installing any app. No need to go to play store, search the app, download and install now. Any app associated with Progressive web app can be directly downloaded from it. These web apps once installed, appear as an icon on home page just like native apps. Will the efficient use of memory, user interface and quicker updates, they appear as a better replacement to native apps. It is reviving the old look of web pages with new and better user Interface. In times ahead, we are going to deal with only one type of app for any application serving the purpose of ease for the creators as well as consumers. It seems that Progressive Web Apps are the future of all types of apps.

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