May 18, 2024

OSINT Tools: Wappalyzer

3 min read

What is Wappalyzer?

Wappalyzer is a browser extension and command-line tool that helps you discover the technologies powering a website. It identifies content management systems (CMS), e-commerce platforms, web frameworks, analytics tools, and more. By understanding the technologies in use, you can make informed decisions, evaluate security risks, and gain competitive insights.


Wappalyzer is available as a browser extension for popular web browsers and as a command-line tool. We’ll cover both installation methods:

Browser Extension Installation

  1. Open Your Browser: Launch your preferred web browser.
  2. Visit the Extension Store: Navigate to the extension store for your browser. Here are the links for some popular browsers:
  3. Search for Wappalyzer: Use the search bar to find the “Wappalyzer” extension.
  4. Install the Extension: Click the “Add to Chrome” (for Chrome) or “Add to Firefox” (for Firefox) button to install the extension.
  5. Confirm Installation: Follow the prompts to confirm the installation. Once installed, you should see the Wappalyzer icon in your browser’s toolbar.

Command-Line Tool Installation

To install the command-line version of Wappalyzer, you’ll need Node.js and npm (Node Package Manager) installed on your system. Here’s how to do it:

  1. Open a Terminal: Launch a terminal or command prompt on your system.
  2. Install Node.js: If you don’t have Node.js installed, you can download it from the official website: Node.js Downloads.
  3. Install Wappalyzer: Use the following npm command to install Wappalyzer globally on your system:bash

npm install -g wappalyzer

This command will download and install Wappalyzer as a command-line tool.

Verify Installation: To ensure that Wappalyzer is successfully installed, run the following command:


  1. wappalyzer --help You should see the help menu, indicating that Wappalyzer is correctly set up.

Using Wappalyzer

Wappalyzer is designed to be user-friendly and offers multiple ways to identify technologies on websites.

Using the Browser Extension

Once you’ve installed the Wappalyzer browser extension, follow these steps:

  1. Visit a Website: Navigate to the website you want to analyze.
  2. Click the Wappalyzer Icon: Click the Wappalyzer icon in your browser’s toolbar. It will analyze the current website and display a list of detected technologies.
  3. Explore the Results: Review the detected technologies, including the CMS, web server, analytics tools, and more. You can click on each technology to get additional information.

Using the Command-Line Tool

To use the command-line version of Wappalyzer, follow these steps:

  1. Open a Terminal: Launch a terminal window on your system.
  2. Run Wappalyzer: Use the following command to analyze a website:bash

wappalyzer <URL>

Replace <URL> with the URL of the website you want to analyze. For example:


  1. wappalyzer Wappalyzer will analyze the website and provide a JSON output with detected technologies.

Customizing the Output (Command-Line)

You can customize the command-line output by using flags. For example, to get a human-readable output, use the -n or --human flag:


wappalyzer -n

This will display the detected technologies in a more readable format.


Wappalyzer is a powerful tool that can help you uncover the technologies used on websites. Whether you’re a web developer, security analyst, or just curious, Wappalyzer provides valuable insights into the digital landscape.

Use Wappalyzer responsibly and ethically, respecting website owners’ terms of service and privacy. With its user-friendly browser extension and command-line capabilities, Wappalyzer is a valuable addition to your toolkit for technology identification and analysis.

For more information and advanced features, you can refer to the official Wappalyzer GitHub repository: Wappalyzer GitHub Repository.

Leave a Reply

Your email address will not be published. Required fields are marked *

You may have missed

Discover more from

Subscribe now to keep reading and get access to the full archive.

Continue reading