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JS Framework Detector

Developer

Detect JavaScript frameworks and libraries: React, Next.js, Vue, Angular, Svelte, jQuery, and more.

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Use via API
JS Framework Detector — cURL
curl -X POST "https://krawly.io/api/v1/tools/js-framework-detector/" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{"url": "https://example.com"}'
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What is JS Framework Detector?

JS Framework Detector identifies JavaScript frameworks and libraries used on a website by analyzing HTML, scripts, headers, and code signatures.

Use Cases

  • Technology research
  • Competitive analysis
  • Developer tools
  • Portfolio assessment

Key Features

20+ frameworks
Confidence scoring
Multi-signal detection
Category breakdown

Frequently Asked Questions