Eruda
A mobile browser console for debugging web applications directly on mobile devices.
What is Eruda?
Eruda is a console and debugging tool for mobile browsers that replicates desktop developer tools functionality on mobile devices. It allows developers to inspect elements, monitor network activity, view console logs, and analyze performance directly on smartphones and tablets. The tool solves the problem of limited debugging capabilities in mobile browsers by providing a comprehensive suite of inspection and profiling features.
Frontend and mobile web developers who need to debug and optimize web applications on mobile devices. It is particularly useful for developers building responsive websites, progressive web apps (PWAs), or hybrid mobile applications that run in mobile browsers.
Developers choose Eruda because it brings desktop-level debugging tools to mobile browsers, eliminating the need for remote debugging setups or emulators. Its lightweight integration, plugin support, and real-time inspection capabilities make it a go-to solution for mobile web development troubleshooting.
Overview
Console for mobile browsers
Use Cases
Best For
- Debugging JavaScript errors and console logs on mobile browsers
- Inspecting and modifying DOM elements on mobile web pages
- Monitoring network requests and performance on mobile devices
- Profiling memory usage and rendering performance on smartphones
- Developing and testing responsive designs directly on mobile
- Extending debugging capabilities with custom plugins for frameworks like Vue.js
Not Ideal For
- Desktop-only web development where built-in browser dev tools are sufficient
- Production environments where minimizing client-side code and security are priorities
- Native mobile app debugging, as Eruda only works within web browsers
- Teams already using robust remote debugging setups like Chrome DevTools over USB
Pros & Cons
Pros
Provides console logging, element inspection, and network monitoring tailored for mobile browsers, as evidenced by the demo and key features list, filling a gap in mobile web development.
Can be added with a simple script tag from npm or CDN like jsDelivr, making setup quick without complex build steps, as detailed in the Install section.
Supports third-party plugins such as Vue.js devtools and pixel restoration tools, allowing customization for specific frameworks, mentioned in the Third Party projects list.
Includes tools for measuring memory usage and rendering performance, helping optimize mobile web apps directly on devices, as highlighted in the key features.
Shows ongoing development with CI/CD badges, test coverage, and regular updates in the README, indicating reliable support and bug fixes.
Cons
Adds JavaScript payload to the page, increasing bundle size and potentially slowing load times, which is problematic for performance-critical mobile apps.
Requires JavaScript to be enabled and functional, making it useless in environments with JS errors or restrictions, limiting debugging in edge cases.
Detailed usage instructions are hosted on an external site (eruda.liriliri.io), not within the README, which can hinder quick reference and offline access.
Relies on community-contributed plugins that may vary in quality, maintenance, and compatibility, leading to unreliable or outdated extensions.
Frequently Asked Questions
Related Projects
SwiperMost modern mobile touch slider with hardware accelerated transitions
FastclickPolyfill to remove click delays on browsers with touch UIs
Web Starter KitWeb Starter Kit - a workflow for multi-device websites
Interact.jsJavaScript drag and drop, resizing and multi-touch gestures with inertia and snapping for modern browsers (and also IE9+)
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