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April 14, 2023

How to Make a Chat Web App: A Step-by-Step Guide

Even though mobile messengers are at the top of the pyramid, web chats can be just as useful and efficient. Here is how you build them.

Mitya Smusin

Chief Executive Officer

It’s no secret that the demand for instant communication is growing every day. Mobile messengers deal with most of it, but that doesn’t mean they’re the only viable solution. Chat web apps have become a popular way for people and businesses to connect quickly and efficiently. From simple chat rooms to complex messaging platforms, chat web apps offer a wide range of features and functionalities that enable users to communicate, share information, and build relationships in realtime.

In this article, we will discuss how to make a chat web app, what things to take into account, and what technologies are most suitable for the job.

What a chat web app is

A chat web app is a type of text, voice, or video messenger that's typically accessed through a web browser and requires an internet connection. Such apps are commonly used for personal communication, like chatting with friends and family. Businesses can also use them for various purposes, such as team collaboration and customer support.

What is web chat app

In general, chat web apps provide users with a platform for exchanging messages, sharing files, and engaging in group discussions. They often include features like emojis, stickers, and GIFs to make conversations more engaging and fun.

The benefits of creating your own chat web app

With so many chat apps on the market, you may ask yourself, “Why should I create one?” Well, creating your own chat web platform has several major benefits:

Benefits of building a web chat app
  1. Customization: You have complete control over the features and functionality of the app. This means you can tailor it to meet the specific needs of your target audience, whether for personal or business use.

  2. Scalability: A custom web chat app can be scaled to handle any number of users, from a few hundred to millions, depending on your requirements. You can also add new features and functionality as needed to keep up with changing user needs.

  3. Branding: Creating your own chat platform allows you to incorporate your branding and design elements into the app, making it a seamless extension of your brand.

  4. Data privacy: You control the data your service collects and stores. This allows you to ensure that your users' data is protected and that you are complying with relevant data privacy regulations.

  5. Revenue potential: If you create a web chat application that gains the audience's attention, you may be able to apply monetization options (advertising, subscriptions, or other revenue streams).

How to build a chat web app: 4 Steps

Building a chat web platform may seem like a daunting task, but with the right approach, it can be a rewarding experience. We will outline four basic steps for building a chat web app that provides a general framework.

Steps to create web chat

1. Planning and preparation

Define the purpose of your chat app

The first step in building a web chat application is to define the purpose of the app. This involves identifying the problem you are trying to solve or the need you are trying to address. For example, are you building a chat website for personal use to stay in touch with friends and family? Or are you building a business service for internal use to support your team? By defining the purpose of your chat app up front, you will ensure that it meets the needs of your users and aligns with your overall business goals.

Research and identify your target audience

Once you have defined the purpose of your chat app, the next step is to identify your target audience. This involves understanding who your potential users are, their needs and preferences, and how they are likely to use the app.

To conduct audience research, you can start by creating user personas, which are fictional representations of your ideal users. User personas can help you understand your users' demographics, interests, behavior patterns, and pain points. You can create user personas based on data from market research, surveys, and customer feedback.

Define the features and functionalities you want to include

Some common features of chat web apps include:

Web chat features
  • Text messaging

  • Voice and video calling

  • File sharing

  • Emojis and stickers

  • Group chat

  • Search functionality

  • Push notifications

Depending on your target audience and the purpose of your app, you may want to include additional features like chatbots, translation services, screen sharing, or integration with other apps or services.

When defining the features and functionalities of your chat app, it's important to prioritize them based on their importance to your users and the resources available for development. By defining the features and functionalities of your chat app, you can ensure that it meets the needs of your target audience and aligns with your overall business goals.

Decide on the technology stack you will use

Some popular examples of technologies used for building web messengers include:

  • Backend: Node.js, Python, Ruby on Rails

  • Real-time communication protocols: WebSocket, WebRTC

  • Database systems: MongoDB, PostgreSQL, MySQL

  • Frontend: React, Angular, Vue.js

  • Cloud platforms: AWS, Google Cloud, Microsoft Azure

Web chat tech stack

It's also important to consider the security and privacy of your chat app, as chat apps can contain sensitive information. You may want to use encryption technologies like SSL/TLS and end-to-end encryption to ensure the security of your app.

2. Design

Choose a user-friendly design for your chat app

A good user interface design can enhance the user experience, increase engagement, and promote the overall success of your app. Here are some tips for designing a user-friendly chat app:

  • Keep the design simple and intuitive: Avoid cluttered layouts and complex navigation that may confuse users.

  • Use a consistent design language: Use consistent design elements like color, typography, and icons throughout the app to create a cohesive look and feel.

  • Prioritize usability: Prioritize usability by designing for the needs of your target audience.

  • Use responsive design: Ensure that your chat app is accessible on a variety of devices by using responsive design.

  • Consider accessibility: Design your application with accessibility in mind by ensuring that it's navigable using assistive technology and that it meets accessibility standards.

Develop the frontend of your chat app

The frontend refers to the part of the software that the user interacts with directly. Here is what you need to do to ensure frontend development goes well:

Web chat frontend development
  • Sketch out wireframes and design mockups to plan the layout and user interface of your app. This will help you visualize the app's design and identify any potential usability issues before you begin development.

  • Choose a frontend framework like React, Angular, or Vue.js to help you build the user interface of your app.

  • Incorporate real-time communication technologies like WebSockets or WebRTC to enable real-time messaging and video and voice calling.

  • Test the user experience of your app by conducting usability testing and gathering feedback from real users. Incorporate user feedback to improve the user experience and ensure that your app meets the needs of your target audience.

By following these steps, you can develop a frontend for your web chat that provides a seamless and engaging user experience.

3. Development

Integrate a backend server to handle the communication between clients

Integrating a backend server is an essential step in building a chat web platform as it allows clients to communicate with each other in realtime. The backend server acts as the mediator between clients, managing the flow of data, and facilitating communication between users.

Complete Guide to the Chat Architecture

Take a look at our version of chat architecture and its components - a well-structured system that always works!

Learn more
Chat Architecture Guide

How can you integrate it? Choose server-side languages that are compatible with the frontend framework you have chosen. Then set up a database to store user information, chat history, and other relevant data and implement real-time communication protocols. 

Another important part is user authentication, which ensures that only authenticated users can access the chat app. This can be accomplished by using techniques such as OAuth, JSON Web Tokens, or session-based authentication.

The last part is testing the performance of your backend server to ensure that it can handle the expected traffic and volume of data. You can optimize performance by using caching, load balancing, and other techniques to improve the app's scalability and reliability.

Create a database to store messages and other information

To create a chat web app that stores messages and other information, you will need to set up a database. Here are the general steps to follow:

  • Choose the database management system (DBMS) that you want to use.

  • Create a new database within the DBMS.

  • Define the structure of your database by creating tables and columns that will store the data you need. 

  • Choose a programming language or framework to interact with your database.

  • Write code that connects to your database and performs CRUD (create, read, update, delete) operations as needed.

  • Test your database integration thoroughly to ensure that it's working as expected.

Once you have set up your database and integrated it with your app, you will be able to store messages and other information and retrieve them as needed.

Implement the features and functionalities defined in the planning phase

To implement the functionality we talked about above, you will need to:

  • Review the requirements and specifications from the planning phase to ensure that you fully understand what needs to be implemented.

  • Break down the requirements into smaller tasks or features that can be implemented individually. This will make it easier to manage the development process and ensure that everything is completed as planned.

  • Create a basic structure for your app, including any necessary files, folders, and libraries. This will vary depending on the programming language and framework you are using.

  • Begin implementing the individual features and functionalities, one at a time. This might include creating user accounts, implementing a messaging system, and adding authentication and authorization to protect user data.

4. Testing and deployment

Test your chat app to ensure it's functional and user friendly

The must-have testing options include functional testing, usability testing, performance testing, and security testing. Functional testing involves verifying that the app functions as intended, such as sending and receiving messages, displaying user profiles, and handling errors. Usability testing involves evaluating the app's user interface, navigation, and overall user experience. Performance testing involves measuring the app's speed, responsiveness, and scalability under different conditions, followed by performance optimization. Security testing involves identifying vulnerabilities and protecting against unauthorized access to user data.


It's important to conduct thorough testing to catch any issues or bugs before releasing the app to users. Testing can also provide valuable feedback to improve the app's functionality and user experience.

Deploy your chat app to a web server or cloud-hosting platform

There are several options for hosting your app, including shared hosting, virtual private servers (VPS), dedicated servers, and cloud hosting platforms like Amazon Web Services (AWS), Google Cloud Platform (GCP), and Microsoft Azure.

When choosing a hosting provider, consider factors such as cost, scalability, reliability, and security. Before deploying, ensure that your app is fully functional and secure and that it's optimized for performance. Once deployed, monitor your app for any issues or bugs and regularly update it to ensure that it's secure and up-to-date with the latest technologies. 

Chat app deployment to a web server or cloud hosting platform can be a complex process, but with careful planning and attention to detail, you can make your app accessible to a wide range of users.

Ensure that your chat app is secure and protected against common vulnerabilities

Security and data protection are hot trends in today’s digital world, so your chatting platform should not neglect them. Here are some general security measures you can take to enhance the security of your chat app:

  • Implement secure authentication and authorization mechanisms to prevent unauthorized access to user data.

  • Encrypt user data and communications to protect against eavesdropping and interception.

  • Implement measures to protect against common vulnerabilities, like cross-site scripting (XSS) and SQL injection.

  • Regularly update your app and its dependencies to ensure that you are using the latest and most secure technologies.

  • Monitor your app for any suspicious activity or unauthorized access, and implement logging and monitoring mechanisms to detect and respond to security incidents.

  • Regularly conduct security assessments and penetration testing to identify vulnerabilities and ensure that your app is secure.

Remember that security is an ongoing process and that there is no single solution that can fully protect against all threats. By taking a proactive approach to security and implementing best practices, you can minimize the risk of security incidents and protect user data.

How can Yellow help you?

We can provide valuable expertise and resources to help with web chat app development. Our expertise can ensure that your project is optimized for performance, scalability, and security.

Your business needs and user satisfaction are our top priorities. We will customize your chat app to meet your specific requirements and integrate it with other systems like CRM, social media, or payment gateways—anything you need.

We will ensure that your chat app is functional, user-friendly, and free of bugs and issues. Also, our team can provide ongoing maintenance and support to keep your app up-to-date, secure, and fully functional.


By following best practices and utilizing the latest technologies and development frameworks, you can create a chat app that is functional, user-friendly, and secure. Whether you are building a chat app for internal team communication, customer support, or social networking, the key to success is to prioritize user experience, security, and scalability.

Working with Yellow on your chat platform will give you access to specialized expertise, cost savings, and reduced time-to-market. By partnering with us, you can ensure that your chat app is built to the highest standards and meets your business needs. Feel free to drop us a line and get a detailed project estimate.

💬 What are some popular technologies used to create chat web apps?

Node.js, React, Firebase,, and GraphQL. These technologies allow developers to build scalable and real-time chat applications with features like real-time messaging, push notifications, and user authentication.

💬 What are some common features found in chat web apps?

Real-time messaging, message notifications, user authentication and authorization, chat history, emoji and file sharing, typing indicators, and the ability to create and join multiple chat rooms. Some chat apps also offer voice and video calling features.

💬 What are some common challenges faced when building chat web apps?

Real-time synchronization, scalability, security, privacy concerns, managing chat history and storage, handling different message types and formats, and dealing with network disruptions and intermittent connectivity.

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