Tailwind CSS is a utility-first CSS framework widely adopted by frontend developers, indie hackers, and modern web agencies who prefer composing designs directly in HTML markup rather than writing custom stylesheets. Unlike traditional CSS frameworks, Tailwind generates styles through low-level utility classes applied inline, which leaves distinctive fingerprints in a site's HTML structure that make it reliably identifiable. AIWebsiteDetector's detection engine identifies Tailwind CSS deployments using a combination of 2 script patterns, 2 CDN domains, and 1 HTML pattern — signals that cover both self-hosted builds and CDN-delivered distributions commonly used during development or prototyping. The presence of Tailwind's CDN-served stylesheet or its compiled output embedded via script tags serves as a high-confidence indicator, particularly when paired with characteristic class naming conventions visible directly in the page's HTML attributes. Tailwind CSS is framework-agnostic and integrates with virtually any stack — from static HTML sites to React, Vue, and Laravel applications — making it one of the more broadly distributed frontend technologies in the detection database. Its usage across a wide range of site types, from personal portfolios to production SaaS products, reflects both its flexibility and its position as a dominant tool in contemporary frontend development.
Paste any URL to instantly detect whether it was built with Tailwind CSS. Our engine checks 5 technical signals.
Tailwind CSS is used across many industries. These are the most common website types built on this platform:
Businesses of all sizes
Fast, reliable site building with professional results
Designers and developers
Powerful tools with minimal setup
Startups
Quick launch with scalable infrastructure
Content creators
Beautiful presentation for your work
Every Tailwind CSS website leaves distinctive technical fingerprints. Here's what to look for:
CDN Domains
Network requests to these domains are a reliable indicator:
cdn\.tailwindcss\.comunpkg\.com\/tailwindcssJavaScript Patterns
2 script patterns linked to Tailwind CSS
HTML Attributes
1 HTML pattern in the page source
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