How to Detect Any Website's Tech Stack in 30 Lines of Node.js

📰 Dev.to · Boehner

Detect any website's tech stack using 30 lines of Node.js code to improve your web development and research skills

intermediate Published 22 Mar 2026
Action Steps
  1. Install Node.js and a code editor to start coding
  2. Run `npm init` to create a new Node.js project
  3. Use the `axios` library to send an HTTP request to the target website
  4. Parse the HTML response using `cheerio` to extract relevant information
  5. Apply regular expressions to detect specific tech stack indicators such as library versions or framework signatures
  6. Test the code with a sample website to verify the tech stack detection
Who Needs to Know This

Web developers, researchers, and developers who want to analyze competitors' tech stacks can benefit from this technique to inform their development decisions and stay competitive

Key Insight

💡 You can use Node.js and libraries like axios and cheerio to detect a website's tech stack by analyzing its HTML response

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🚀 Detect any website's tech stack in 30 lines of Node.js! 🤯

Key Takeaways

Detect any website's tech stack using 30 lines of Node.js code to improve your web development and research skills

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