Varnish is a Hosting that powers thousands of websites. Our detection engine uses multiple signals to identify Varnish-built sites with high accuracy.
Detect Varnish Websites — Free Tool
Enter any URL to check if it was built with Varnish. Instant results, no account required.
How we detect Varnish — see our methodology: AI Influence Score calculation, evidence tiers, and fingerprint signal types.
How to Detect Varnish Websites
HTTP Headers
2 patterns
1. Check the Page Source
Open the website in your browser, right-click, and select "View Page Source". Search for varnish-specific patterns in the HTML.
4. Use AI Website Detector (Easiest)
Our automated scanner checks all these signals at once and gives you an instant confidence score. Just enter any URL above.
Frequently Asked Questions
Is this website built with Varnish?
You can detect if any website was built with Varnish by using our free scanner above. Just enter the URL and we'll analyze HTML patterns, JavaScript files, CDN domains, and HTTP headers to determine if Varnish was used — with a confidence score.
How to detect if a website was built with Varnish?
There are several ways to detect Varnish: (1) View the page source and look for Varnish-specific class names or script URLs, (2) Check the Network tab in DevTools for requests to Varnish CDN domains, (3) Use our free tool — we check 2 detection signals automatically.
What websites are built with Varnish?
Varnish is used by thousands of websites worldwide. Our scanner has detected many Varnish-built sites across different industries. You can scan any URL to check if it uses Varnish.
How accurate is the Varnish detection?
Our Varnish detection engine checks 2 unique fingerprint signals, achieving high confidence results. We score each match and return a confidence percentage so you know how certain the detection is.
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Detection Info
- Category
- Hosting
- Signals Used
- 2 patterns
- Accuracy
- High
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