toolgrep / Monitoring & observability
CatchJS
JavaScript error tracking, performance monitoring and privacy-focused analytics in one script.
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CatchJS is a SaaS tool for monitoring websites. It tracks JavaScript errors with stack traces, source maps, screenshots and click trails, monitors real-user performance metrics including Core Web Vitals (LCP, CLS, FID), and includes cookie-free analytics for pageviews and time on page. The client script is under 1.8KB compressed.
- Category
- Monitoring & observability
- Pricing
- paid · from $44/month (Development plan, billed annually); 14-day free trial; free subscription for open source projects
- Free tier
- no
- API
- yes
- MCP server
- no
- SDK
- yes
- Open source
- no
Listed 2026-10-21 · last verified 2026-10-21 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.95
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API
curl https://toolgrep.com/api/products/catchjs