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Web App Development : The word Web App Development is made up three of three words , that is

• Web :-  It is refer to website. web page or anything  working  over internet .
• App :-  Refers  to application software.
• Development :-  Building the application from scratch.

Web App Development :  Creation of applications that works over internet i.e. websites.

Web App development can be classified into two type:-

• Frontend Development :- The part of a website that user interacts with directly is termed as front end. It is also referred to as the ‘client side’ of the application. It includes everything that users experience directly: text colors and styles, images, graphs and tables, buttons, colors, and navigation menu. HTML, CSS, and JavaScript are the languages used for Front End development. The structure, design, behavior, and content of everything seen on browser screen when websites, web applications, or mobile apps are opened up, is implemented by front End developers. Responsiveness and performance are two main objectives of the frontend. The developer must ensure that the site is responsive i.e. it appears correctly on devices of all sizes no part of the website should behave abnormally irrespective of the size of the screen.
• Backend Development :-  Backend is server side of the website. It stores and arranges data, and also makes sure everything on the client-side of the website works fine. It is the part of the website that you cannot see and interact with. It is the portion of software that does not come in direct contact with the users. The parts and characteristics developed by backend designers are indirectly accessed by users through a front-end application. Activities, like writing APIs, creating libraries, and working with system components without user interfaces or even systems of scientific programming, are also included in the backend.

Advantages of Web App development :-

• Cost-effective:

One of the most attractive advantages of creating web app is the cost factor. Web development services required to execute this is way cheaper than other kinds of web developments. It simply consists of creating links between the URL and the application, and since that is relatively simpler to do, it takes far less time for development. Thus, making it overall a cost-effective affairs for the owner. Ease of customization also help here. Since many developers find it less complicated to customize web app by easily changing the interface of the app, operations can be done with less time and effort, resulting in spending fewer resources.

• Need not be downloaded:

Since by using a web browser a user can directly interact with the app, these do not have to be installed or downloaded separately from different platforms like Google Play or Apple’s App store. This also result in money saving because one does not need to bear any cost for having a direct link through a web app. Moreover, web apps can be accessed through multiple browsers as well as run on multiple platform like laptops, desktops or mobiles.

• Always up-to-date:

They do not require to be updated often, in the way common apps usually do. it is the website/URL to which the application is directly linked that gets updated to its most recent version. And, as everyone accesses the same version of the web application via the same URL, all users use the most up-to-date & same version of it at all times.

• Runs easy:

Web design services for a default web app are programmed such that they can run on any operating system. As long as the web browser is in place, their interface with various screen size allows for them easily adapt to IOS, Android or Windows among many others.

• Website Dependency:

A web app is completely based on its web browser. while generally, this provides a bunch of benefits, a complete dependency of this kind can also be a limiting factor. If the website happens to fail or goes unresponsive, the app fails to function too. If your website undergoes any quiet issue, your app is going to be in trouble too. Therefore, web development services that pay great attention to building quality corporates websites are a must for running successful web apps. Whether it is the URL loading time or popping up of uncomfortable cookies on entering the websites, all kinds of issues must closely be taken care of.

• Reduced speed:

Often a web operates relatively at a slower speed than the application hosted on a local server, and for those reasons can’t completely replace mobile apps. It is also directly linked to our browser, because of which its app size tends to increase. A large app, therefore is considerably slower than a native desktop one. Plus, as a web app runs completely on the internet, it frequently can feel slower due to the internet connection quality.

• Restricted functionality:

Native technology always carries an advantages over non-native ones. A web application are not native, they cannot sometimes effectively collaborates with all the hardware and operating system of the specific devices you use.