When to Avoid React Router in React

React Router is the industry standard for managing navigation and URLs in React applications, but it is not always the best tool for every project. This article explores the specific scenarios where you should avoid React Router, highlighting situations where built-in framework features, lighter alternatives, or simpler conditional rendering are more appropriate.

1. You Are Using a Meta-Framework (Next.js, Remix, or Astro)

If you are building your application with modern React frameworks like Next.js, Remix, or Astro, you should not install React Router. These frameworks come with their own highly optimized, file-system-based routing solutions out of the box. * Next.js uses its own App Router or Pages Router, which handles server-side rendering (SSR) and static site generation (SSG) seamlessly. * Remix has its own built-in routing engine (built by the same creators of React Router, but integrated directly into the framework). Adding React Router to these environments is redundant, increases bundle size, and will break framework-specific features.

2. The Project is a Simple Single-Page Landing Site

For single-page applications (SPAs) that only feature a landing page, a contact form, or a simple portfolio, React Router is overkill. * If you only need to jump to different sections on the same page, standard HTML anchor tags (<a href="#contact">) are sufficient. * If you only need to toggle between two or three views (such as a login screen and a dashboard), you can easily manage this using standard React state (useState) to conditionally render components.

3. Strict Performance and Bundle Size Budgets

React Router is a powerful library, but its feature-rich nature means it carries a non-negligible bundle size. If you are building an application for users on slow mobile networks or devices with limited capabilities, every kilobyte counts. * Instead of React Router, you can use wouter, a highly optimized, developer-friendly routing library that provides a similar API but at a fraction of the bundle size (under 2.1KB gzipped). * Alternatively, you can write a tiny, custom routing hook using the browser’s native window.location and popstate events.

4. You Are Building Embedded Widgets or Micro-Frontends

If you are developing a React application that will be embedded as a widget on a third-party website, or if you are working within a micro-frontend architecture, using React Router can cause major issues. * Embedded widgets should not manipulate the host website’s URL, as this can confuse users and conflict with the host site’s own routing. * In micro-frontends, multiple independent applications sharing the same window history can lead to routing conflicts and race conditions. In these cases, memory-based routing or custom event-driven navigation is much safer.