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React logo

React

JavaScript Framework
vs
Gatsby logo

Gatsby

JavaScript Framework

React vs Gatsby (2026): Which Is Better?

React and Gatsby are both popular choices, but they serve different needs. React is a JavaScript Framework with a traditional, manual approach to building, while Gatsby is a JavaScript Framework that prioritises developer or designer control.

Below you'll find a side-by-side breakdown of detection signals, AI scores, and technical fingerprints — plus our honest take on which builder wins for different use cases.

How we detect React vs Gatsby — see our methodology: AI Influence Score calculation, evidence tiers, and fingerprint signal types.

Side-by-Side Comparison

React logo
React
Gatsby logo
Gatsby
CategoryJavaScript FrameworkJavaScript Framework
AI Score40/100 — No-Code / Visual Builder40/100 — No-Code / Visual Builder
Detection Signals14 patterns6 patterns
Script Detection6 patterns1 patterns
CDN Detection4 domains—
Header Detection—1 headers
Sites Detected724 scans473 scans
Best For
Professional websitesTry React →
Professional websitesTry Gatsby →
Official WebsiteVisit Visit

Example Websites

React websites

gmao-eliene.frnewroom-media.demr-online-marketing.deghostcalc.memedia.conabe.netkb-wasserschadensanierung.at

Gatsby websites

bartekmolka.netlify.appyoco.commedicina-interventionala.romaze.comoricon.pltimefree.ph
React logo

React

JavaScript Framework

React is a javascript framework with an AI Score of 40/100 (No-Code / Visual Builder). Our detection engine uses 14 signal patterns to identify React-built sites.

724 sites detected so far
Detection GuideTry React →
Sites using React →Gallery →
Gatsby logo

Gatsby

JavaScript Framework

Gatsby is a javascript framework with an AI Score of 40/100 (No-Code / Visual Builder). Our detection engine uses 6 signal patterns to identify Gatsby-built sites.

473 sites detected so far
Detection GuideTry Gatsby →
Sites using Gatsby →Gallery →

Platform Overviews

React

React is a declarative JavaScript library developed by Meta for building interactive user interfaces, widely adopted by startups, enterprise teams, and independent developers to power everything from single-page applications to complex web platforms. AIWebsiteDetector.com identifies React-powered sites through a combination of 4 distinct script patterns, 4 CDN domains, and 3 HTML patterns — including characteristic data attributes and DOM markers that React injects during rendering. These signals are cross-referenced against known React build artifacts and CDN delivery signatures to produce reliable detections across both production-minified and development builds. Because React is a frontend library rather than a full hosting platform, it frequently appears alongside other detectable technologies such as Next.js, Vite, or Webpack, making co-detection a common and useful signal for refining confidence scores. The official React documentation and release distribution are maintained at [react.dev](https://react.dev), and its presence on a site is technology-agnostic with respect to hosting provider — meaning React is detectable regardless of whether a site runs on Vercel, Netlify, AWS, or a self-hosted server.

Gatsby

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.

Key Differences

  • Both React and Gatsby are classified as JavaScript Framework tools, making them the most direct competitors in this comparison.
  • React scores higher on AI involvement (40/100 vs 40/100 for Gatsby), meaning it relies more heavily on AI for site generation and content creation.
  • Our detection engine identifies React using 14 fingerprint patterns and Gatsby using 6 patterns — more signals generally means more reliable detection.

Which Should You Choose?

Choose React if…

  • You prefer a javascript framework solution
  • You want more manual control over the final output
  • React's detection fingerprint of 14 signals means your site is reliably identifiable

Choose Gatsby if…

  • You need a javascript framework approach
  • You prefer traditional building tools with predictable output
  • Gatsby's ecosystem and community better match your team's existing workflow

Our Pick — Based on 1,197+ detections

React logo

React

Detected 2× more often than Gatsby across our database of scanned sites.

JavaScript Framework No-Code / Visual Builder AI involvement 724 sites detected
Start with React — Free →

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