Unleashing the Power of Vite.js

Walter Code
8 min readDec 14, 2023

In the ever-evolving realm of web development, certain technologies emerge as keystones of innovation and efficiency. Just as we mentioned in our last blog post, Observability and Monitoring serve as sentinels for operational excellence, Vite.js stands as a beacon in the landscape of modern web development.

In a recent internal workshop, Nedim Korjenić, our frontend developer, unveiled the intricacies of Vite.js, offering profound insights into its capabilities and potential impact on the development ecosystem. As we embark on this journey, we invite you to join us in decoding the essence of Vite.js — the heartbeat of a resilient and forward-thinking technological paradigm. Together, let’s delve into the depths of this intriguing topic and uncover the keys to unlocking innovation and efficiency in web development.

What is Vite.js

Vite.js is a build tool and development server designed to enhance the web development experience. It is particularly known for its speed and efficiency in the development process. Vite.js focuses on leveraging native ES Module imports to provide a fast development server with on-demand compilation and efficient bundling during the build process.

Key characteristics of Vite.js include its support for modern JavaScript features, a development server with Hot Module Replacement (HMR) for real-time updates, and a flexible plugin system. While initially associated with the Vue.js framework, Vite.js is not limited to Vue.js projects and can be used with other frameworks and libraries.

Developers often choose Vite.js for its ability to deliver a rapid development experience while optimizing for production builds, making it a valuable tool in modern web development workflows. However, it’s advisable to check the official documentation or community resources for the most up-to-date information on Vite.js, as the web development landscape can evolve over time.

Who can use Vite.js

Vite is a versatile build tool and development server that can be used with a variety of JavaScript frameworks and libraries. Here’s how different technologies can integrate with Vite:

Vanilla JavaScript (Plain JavaScript): Vite can be used with plain JavaScript projects. It provides a fast development server and efficient build process for any project using modern JavaScript features.

React: Vite supports React applications. Developers can use Vite to build and optimize React projects, taking advantage of its fast development server and optimized build process.

Vue.js: Vite was initially created with Vue.js in mind, and it is particularly well-suited for Vue.js applications. It offers seamless integration with Vue.js, providing enhanced development speed and efficiency.

Svelte: Vite can be used with Svelte, a component-based JavaScript framework. Developers can leverage Vite’s capabilities to enhance the development experience and optimize production builds for Svelte applications.

Preact: Preact, a lightweight alternative to React, can also be used with Vite. Developers can benefit from Vite’s performance optimizations and development server features when working on Preact projects.

Atom (JavaScript in the context of Atom editor): While Vite is primarily a build tool for web development, its capabilities may not be directly applicable to the Atom editor. Atom is typically extended using JavaScript and other web technologies, but Vite’s primary use case is for building and optimizing web applications.

Solid.js: Solid.js, a reactive UI library, is compatible with Vite. Developers can use Vite to build and optimize Solid.js applications, taking advantage of its speed and efficient development workflow.

Why Vite.js

Vite.js offers a compelling solution to modern web development challenges with a range of benefits that set it apart from traditional tools. Here’s why developers are choosing Vite.js:

Up to 50x Faster:

  • Vite.js introduces a paradigm shift in speed, providing a development server and Hot Module Replacement (HMR) that can be up to 50 times faster than conventional alternatives.
  • This acceleration significantly reduces development cycle times, allowing developers to see changes in real-time and boosting overall productivity.

Cold Starting Dev Server, and During HMR:

  • Vite.js excels in both cold start times for the development server and maintaining rapid speeds during Hot Module Replacement (HMR).
  • Developers experience minimal delays in initiating the development server and can enjoy consistently fast updates during the development process.


  • Vite.js emphasizes reliability in the development workflow. The tool has gained a reputation for stability and dependability, ensuring a consistent and trustworthy environment for building web applications.

Optimized Build Process, Zero Config by Default:

  • The build process in Vite.js is optimized for performance, resulting in production-ready bundles that are efficient and streamlined.
  • Developers appreciate the zero-configuration approach by default, minimizing setup complexities and allowing them to focus on coding without the need for extensive configuration.

Easy to Use:

  • Vite.js is designed with developer experience in mind, offering an easy-to-use and intuitive environment.
  • The simplicity of Vite.js makes it accessible for developers of varying experience levels, enabling a smooth onboarding process and reducing the learning curve.

Intuitive Setup and Easy Migration:

  • Setting up a project with Vite.js is intuitive, with a straightforward process that accelerates the initial stages of development.
  • Migration to Vite.js from other tools or frameworks is facilitated by its user-friendly design, allowing developers to transition seamlessly and take advantage of the speed and efficiency offered by Vite.js.

Vite.js stands out as a tool that not only accelerates web development but also prioritizes reliability, ease of use, and an optimized build process. Its performance gains, coupled with an intuitive interface and minimal configuration requirements.

What makes it fast?

Vite.js achieves its exceptional speed through several key mechanisms and optimizations:

Native ES Module Support:

  • Vite.js takes advantage of the native ECMAScript Module (ESM) support in modern browsers. This means that during development, there’s no need for bundling of modules.
  • Native support for import/export syntax allows modules to be loaded directly by the browser, leading to faster loading times and improved development speed.

Efficient Hot Module Replacement (HMR):

  • Vite.js incorporates a highly efficient Hot Module Replacement (HMR) mechanism. When a file is modified, only the specific module affected is updated in the browser without requiring a full page refresh.
  • This real-time feedback accelerates the development process by providing instant updates, allowing developers to see changes in their application immediately.

Dependency Pre-Bundling During Development:

  • Vite.js optimizes the build process by pre-bundling dependencies during development based on their usage patterns.
  • By analyzing and bundling dependencies in advance, Vite.js reduces the time it takes to rebuild and re-serve the application during development. This approach enhances the development experience by minimizing wait times for developers.

Direct Support for Code-Splitting and Lazy Loading:

  • Vite.js provides direct support for code-splitting and lazy loading. Unlike some frameworks where developers may need to manually declare lazy-import components for each route, Vite.js automates this process.
  • Vite.js intelligently splits code chunks automatically based on a vendor-based configuration, determining what needs to be loaded and when. This automated approach streamlines the handling of code-splitting and lazy loading, contributing to faster application performance.

Vite.js prioritizes leveraging native browser capabilities, optimizing build processes, and providing automated support for code-splitting and lazy loading. These features collectively contribute to the tool’s outstanding speed

What makes it reliable?

Vite.js establishes reliability through a combination of factors that contribute to a stable and efficient development and production environment:

Optimized Rollup Build for Production:

  • Vite.js employs Rollup as its bundler for production builds. Rollup is recognized for its efficiency and tree-shaking capabilities, which are crucial for eliminating unused code and minimizing the size of the final bundled output.
  • The utilization of Rollup ensures that the production version of the application is optimized, resulting in stable loading and improved runtime performance.

Zero Config by Default and Plugin Support:

  • Vite.js adheres to a “zero-config” philosophy by default, requiring minimal configuration to get a project up and running. This approach reduces the complexity associated with project setup and enables developers to focus on coding without unnecessary overhead.
  • Vite.js further enhances its reliability by providing a flexible and extensible plugin system. This allows developers to customize and extend the functionality of Vite.js according to their project requirements.
  • The plugin support in Vite.js ensures adaptability, making it easy for developers to integrate with various tools and libraries seamlessly. This flexibility contributes to the reliability of Vite.js across diverse development scenarios.

Vite.js establishes reliability by leveraging the efficient Rollup bundler for production builds, optimizing the final output for stability. The “zero-config” default approach simplifies project setup, and the extensible plugin system allows for customization and integration with different tools, enhancing the overall reliability of the development and build processes.

Vite Statistics

The provided statistics highlight the remarkable speed and widespread adoption of Vite.js:

39x Faster Hot Module Replacement:

  • Vite.js achieves an impressive 39x improvement in Hot Module Replacement (HMR) speed. This means that developers using Vite experience significantly faster updates when modifying code, enhancing the real-time development experience.

50x Faster Development Server Start:

  • The development server start-up time with Vite is accelerated by a factor of 50x. This rapid server initialization allows developers to start working on their projects swiftly, minimizing wait times and improving overall development efficiency.

10–100x Faster Dependency Module Bundling:

  • Vite.js achieves a substantial speed boost in dependency module bundling during development, ranging from 10x to 100x faster. This optimization reduces the time it takes to bundle and serve dependencies, contributing to quicker feedback loops for developers.

9 Million Weekly Downloads:

  • Vite.js boasts an impressive download rate of 9 million times per week. This statistic underscores the popularity and widespread adoption of Vite within the developer community, indicating that many developers rely on it for their web development projects.

Over 100k Websites Use Vite:

  • Vite.js has found its way into over 100,000 websites. This broad usage demonstrates that developers across a diverse range of projects and industries trust Vite for its speed, reliability, and efficiency in web development.

These statistics collectively emphasize Vite.js as a high-performance build tool and development server, resonating with developers seeking faster workflows and optimal tooling for their projects.


In concluding our last Knowledge-Sharing blog post for the year, we’ve unraveled the power of Vite.js — a beacon in modern web development. Nedim Korjenić, in an insightful workshop, delved into its intricacies, showcasing its capabilities and potential impact on our development ecosystem.

As we wrap up this year’s knowledge-sharing journey, we look forward to the continuous exploration of innovative technologies and practices in the coming year. The dynamic discussions, workshops, and insights from our team have enriched our collective knowledge, and we can’t wait to resume this enlightening journey in the next year. Here’s to a year filled with more learning, collaboration, and technological exploration!