Antigravity is an AI-powered full-stack application builder designed for developers and technical founders who want to rapidly scaffold, build, and deploy complete web applications through natural language prompts and automated code generation. Sites built with Antigravity leave identifiable fingerprints across multiple layers of the page, and AIWebsiteDetector's engine identifies them using a combination of 2 distinct script patterns, 2 HTML structural patterns, 1 CDN domain reference, and 1 meta tag signature embedded during the build and deployment process. These signals appear consistently across the front-end output of Antigravity-generated projects, making detection reliable even when surface-level styling varies significantly between applications. The CDN domain in particular serves as a strong anchor signal, as Antigravity routes static assets and runtime dependencies through its own infrastructure, creating a traceable network footprint. Antigravity's official home is at antigravity.dev, and its tightly integrated build pipeline — where the AI handles both front-end and back-end scaffolding — means the generated output shares enough structural consistency to keep detection confidence high across diverse site types.
Detect Antigravity Websites — Free Tool
Enter any URL to check if it was built with Antigravity. Instant results, no account required.
How we detect Antigravity — see our methodology: AI Influence Score calculation, evidence tiers, and fingerprint signal types.
How to Detect Antigravity Websites
Script Patterns
2 patterns
CDN Domains
1 patterns
HTML Patterns
2 patterns
Meta Tags
1 patterns
1. Check the Page Source
Open the website in your browser, right-click, and select "View Page Source". Search for antigravity-specific patterns in the HTML.
2. Look for Script Files
Check the Network tab in DevTools for JavaScript files loaded from Antigravity domains.
3. Check CDN Domains
Network requests to these CDN domains indicate a Antigravity site:
antigravity\.dev4. 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 Antigravity?
You can detect if any website was built with Antigravity 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 Antigravity was used — with a confidence score.
How to detect if a website was built with Antigravity?
There are several ways to detect Antigravity: (1) View the page source and look for Antigravity-specific class names or script URLs, (2) Check the Network tab in DevTools for requests to Antigravity CDN domains, (3) Use our free tool — we check 5 detection signals automatically.
What websites are built with Antigravity?
Antigravity is used by thousands of websites worldwide. Our scanner has detected many Antigravity-built sites across different industries. You can scan any URL to check if it uses Antigravity.
How accurate is the Antigravity detection?
Our Antigravity detection engine checks 5 unique fingerprint signals, achieving high confidence results. We score each match and return a confidence percentage so you know how certain the detection is.
About Antigravity
Antigravity is a leading ai app builder used by thousands of businesses and developers worldwide. Our detection engine can identify Antigravity-built websites with high confidence by analyzing multiple technical signals.
Whether you're a developer doing competitive research, a designer looking for inspiration, or just curious about how a website was built — AI Website Detector gives you instant, accurate detection.
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Detection Info
- Category
- AI App Builder
- Signals Used
- 5 patterns
- Accuracy
- High
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