Gatsby is an open-source React-based static site generator and frontend framework favored by developers, digital agencies, and content-driven businesses building high-performance websites, blogs, and e-commerce storefronts. Originally positioned as a JAMstack pioneer, Gatsby compiles pages into optimized static assets at build time, though its newer cloud offerings support server-side rendering and deferred static generation as well. AIWebsiteDetector's engine identifies Gatsby-built sites using a combination of 1 script pattern, 3 distinct HTML patterns, 1 HTTP header, and 1 meta tag pattern — signals embedded during the build process that persist across hosting environments, making detection reliable whether a site is deployed on Gatsby Cloud, Netlify, Vercel, or a custom CDN. Key fingerprints include characteristic HTML structural markers and meta tag attributes injected by Gatsby's rendering pipeline, alongside recognizable script loading patterns tied to its code-splitting and prefetching architecture. Gatsby's framework-level consistency — where the same build toolchain produces predictable output regardless of the developer's custom configuration — is what makes its detection signals particularly stable and high-confidence across the web.
Detect Gatsby Websites — Free Tool
Enter any URL to check if it was built with Gatsby. Instant results, no account required.
How we detect Gatsby — see our methodology: AI Influence Score calculation, evidence tiers, and fingerprint signal types.
How to Detect Gatsby Websites
HTML Patterns
4 patterns
HTTP Headers
1 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 gatsby-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 Gatsby?
You can detect if any website was built with Gatsby 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 Gatsby was used — with a confidence score.
How to detect if a website was built with Gatsby?
There are several ways to detect Gatsby: (1) View the page source and look for Gatsby-specific class names or script URLs, (2) Check the Network tab in DevTools for requests to Gatsby CDN domains, (3) Use our free tool — we check 5 detection signals automatically.
What websites are built with Gatsby?
Gatsby is used by thousands of websites worldwide. Our scanner has detected many Gatsby-built sites across different industries. You can scan any URL to check if it uses Gatsby.
How accurate is the Gatsby detection?
Our Gatsby 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.
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Detection Info
- Category
- JavaScript Framework
- Signals Used
- 5 patterns
- Accuracy
- High
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