CDN Detector — Free Online Tool
Which CDN is this site using?
Paste HTML → identify CDNs in use (Cloudflare, Cloudfront, Fastly, Akamai, jsDelivr, unpkg).
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CDN detector
How to use this tool
- 1
Paste HTML or headers
- 2
See CDNs used
Frequently Asked Questions
Why detect CDN?
Knowing which CDN serves assets affects debugging, security, GDPR (server location), and cost optimization.
Key Takeaways
- CDN Detector is a free, browser-based seo & web tool — which cdn is this site using?.
- No signup, no downloads, no file uploads — your data stays on your device.
- Works on desktop, tablet, and mobile. Install as a PWA for offline access.
How to Use CDN Detector
- Open the tool: Launch CDN Detector on Toololis — no account or download needed.
- Enter your data: Paste text, enter values, or select a file directly in your browser.
- Get instant results: Everything is processed locally — results appear immediately.
- Copy or download: Save your output or share it. Bookmark for quick access next time.
CDN Detector — Quick Facts
- Price
- Free — no limits, no watermarks, no paywalls
- Privacy
- 100% browser-based — no data is sent to any server
- Platform
- Any modern browser on desktop, tablet, or mobile
- Category
- SEO & Web Tools on Toololis
- Offline
- Works offline after first visit (Progressive Web App)
| Feature | Details |
|---|---|
| Tool | CDN Detector |
| Category | SEO & Web |
| Signup Required | No |
| File Upload | None — processed in browser |
| Mobile Support | Fully responsive |
| Cost | Free forever |
Why Use CDN Detector?
You should try CDN Detector for a quick, private way to which cdn is this site using?. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.
On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.
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100% Privacy. This tool runs entirely in your browser. Your data is never uploaded to any server.