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Tech Stack Detector - BuiltWith Alternative — Website | Lagic

Built ForSaaS CompaniesMarketing AgenciesVenture Capital

Uncover the technology stack of any website to qualify leads and analyze competitors.

Curated by Lagic·Verified working

Configure Agent

URLs to analyze for tech stack

Categories of technologies to detect

Scan multiple pages for better detection

Run with sample data (no live scraping)

Optional URL to receive results via POST request when agent completes

Results to deliver

100 credits

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

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

Pricing

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

Sample Data Preview

A detailed list of all detected technologies for each URL.The category for each technology (e.g., CMS, Analytics, Marketing, Payments).A confidence score indicating the certainty of each detection.A high-level summary of the main technologies used, such as the primary CMS, framework, and analytics platform.Basic server information including `server` and `x-powered-by` headers.The original URL that was analyzed and the timestamp of the scan.
https://...Value...10098Value...Value...https://...
https://...Value...10096Value...Value...https://...
..................
Exports as:CSVXLSXJSON

Overview

Analyze a list of websites to identify their underlying technologies, such as their CMS, analytics tools, and marketing platforms. Use this data for targeted lead generation and competitive intelligence.

This tool identifies the software and infrastructure behind any website. By providing a list of website URLs, you can get a detailed report on the technologies each site uses. This is essential for sales teams, marketing agencies, and developers who need to understand a company's digital footprint without manual inspection. ### How it Works The tool scans the website's code, network requests, and headers to detect signatures of known technologies. You can run a standard scan on the homepage or a 'Deep Scan' that analyzes multiple pages for more accurate and comprehensive results. This helps uncover technologies that might not be present on the homepage, giving you a more complete picture of their stack. ### Who It's For * **Sales & Business Development:** Identify prospects using a specific technology (e.g., all Shopify stores using Klaviyo) to pitch a complementary service or a competitive alternative. This is a core part of technographic segmentation. * **Marketing Agencies:** Quickly assess a new client's existing tech stack to scope projects for redesigns, migrations, or marketing campaigns. It also allows for detailed competitive analysis to see what tools rivals are using for analytics, A/B testing, and lead capture. * **Developers & IT Teams:** Research how other companies have implemented certain technologies or check a competitor's infrastructure before building an integration. * **Venture Capital & Market Research:** Analyze technology adoption trends across a portfolio of companies or an entire industry sector.

Key Capabilities

  • ✓ A detailed list of all detected technologies for each URL.
  • ✓ The category for each technology (e.g., CMS, Analytics, Marketing, Payments).
  • ✓ A confidence score indicating the certainty of each detection.
  • ✓ A high-level summary of the main technologies used, such as the primary CMS, framework, and analytics platform.
  • ✓ Basic server information including `server` and `x-powered-by` headers.
  • ✓ The original URL that was analyzed and the timestamp of the scan.
  • ✓ Generate a lead list of all websites using HubSpot but not a specific chat widget.
  • ✓ Analyze your top 10 competitors to see which analytics and A/B testing tools they use.
  • ✓ Identify all e-commerce sites in a list that are built on Magento to offer migration services.
  • ✓ Perform initial technical due diligence on a potential acquisition by mapping their software stack.
  • ✓ Find companies using a competing SaaS product to target them with a tailored switching campaign.
  • ✓ Assess a new client's website to quickly understand their CMS, marketing plugins, and server environment.
  • ✓ Recruit developers by identifying companies that use a specific programming framework like Ruby on Rails or React.

Field Dictionary

How To Run This Extractor

1

Provide a list of website URLs to analyze.

2

Optionally, select specific technology categories like 'CMS' or 'Marketing'.

3

Choose whether to enable the 'Deep Scan' for a more thorough analysis beyond the homepage.

4

Run the tool to start the detection process.

5

Download the results as a structured data file (e.g., JSON, CSV).

Frequently Asked Questions

Do I need technical skills to use this tool?
No, you don't need to be a developer. You just need to provide a list of website URLs.
What's the difference between a regular scan and a 'Deep Scan'?
What do the 'Detection Categories' let me do?
In what format can I get the results?
Is it legal to scan websites for their technology stack?
How many websites can I analyze at once?
Can I use this for client work at my agency?
How is this different from using a browser extension?
How up-to-date is the technology detection?
Can I schedule this tool to run automatically?