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Website Tech Stack Detector | 100+ Technologies — Websites | Lagic

Built ForSaaS CompaniesMarketing AgenciesWeb Development Firms

Identify the complete technology stack for any list of websites.

Curated by Lagic·Verified working

Configure Agent

List of website URLs to analyze. Can include or omit https://

Maximum number of URLs to analyze (0 = unlimited)

Results to deliver

200 credits

This agent actively searches live listings — results may vary. You are only charged for what is delivered, up to this number.

Lagic Proxy

Country auto-rotated. Need a specific region? Contact support.

Pricing

2 credits per result
✓ 30 free credits on signup✓ Refund if 0 results✓ No card required

Sample Data Preview

A comprehensive list of all detected technologies for each website.Categorized technology lists, such as E-commerce, Analytics, and Marketing tools.The name, version, and detection confidence for each identified technology.Basic website metadata including the page title and description.Server software information (e.g., Nginx, Apache).Verification of whether the site uses SSL (HTTPS).
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Exports as:CSVXLSXJSON

Overview

Analyze any website URL to detect its underlying technologies, including its CMS, analytics tools, e-commerce platform, and JavaScript libraries, ideal for competitor analysis and lead generation.

This tool provides a detailed breakdown of the software and infrastructure behind any website. By simply providing a list of URLs, you can uncover the specific content management systems (CMS), marketing automation tools, analytics trackers, e-commerce platforms, and server software they use. ### Who is this for? * **Sales & Lead Generation Teams:** Discover high-quality leads by identifying websites that use a specific technology. For example, find all websites using HubSpot but not a specific video marketing platform, or generate a list of all Shopify stores in a niche. * **Marketing Agencies & Consultants:** Quickly assess a new prospect's current tech stack before a discovery call. Understand their marketing sophistication and identify opportunities to pitch your services, whether it's replacing an outdated tool or integrating with their existing setup. * **Market Researchers:** Track the adoption and market share of web technologies over time. Analyze which e-commerce platforms are gaining popularity in certain industries or which analytics tools are preferred by top-performing companies. * **Web Developers & Freelancers:** Get a fast overview of a potential client's website infrastructure. See what you'll be working with, from the backend server to the frontend CSS frameworks, without needing to ask for credentials.

Key Capabilities

  • ✓ A comprehensive list of all detected technologies for each website.
  • ✓ Categorized technology lists, such as E-commerce, Analytics, and Marketing tools.
  • ✓ The name, version, and detection confidence for each identified technology.
  • ✓ Basic website metadata including the page title and description.
  • ✓ Server software information (e.g., Nginx, Apache).
  • ✓ Verification of whether the site uses SSL (HTTPS).
  • ✓ The final URL after any redirects and the HTTP status code.
  • ✓ Generate a lead list of all websites using Shopify for a new e-commerce app.
  • ✓ Analyze your top 10 competitors to map out their marketing and analytics stacks.
  • ✓ Identify websites using an older version of a specific JavaScript library for targeted outreach.
  • ✓ Find companies that use Marketo for marketing automation to pitch integration services.
  • ✓ Assess a potential client's website to understand its CMS and server setup before quoting a project.
  • ✓ Monitor technology trends by tracking the adoption of new frameworks across a list of industry leaders.
  • ✓ Find websites that lack a specific customer support tool to offer a compelling alternative.

Field Dictionary

How To Run This Extractor

1

Create a list of website URLs you want to analyze.

2

Paste the list into the 'Website URLs' input field.

3

Optionally, specify the maximum number of URLs to process.

4

Run the tool to begin the analysis.

5

Download the structured data of the tech stacks for each URL.

Frequently Asked Questions

Do I need technical skills to use this tool?
No, you only need a list of website URLs. The tool handles the analysis and presents the data in an organized format.
What formats can I export the data in?
Is it legal to check a website's technology stack?
How many websites can I analyze at once?
Can I use this for client work?
How is this different from using a browser extension?
How accurate is the technology detection?
Can I schedule this tool to run automatically?
What does it mean if a technology's 'version' is null?
Can it detect technologies on pages that require a login?