Auth.js / NextAuth is a Auth Provider used by thousands of websites worldwide.
Paste any URL to instantly detect whether it was built with Auth.js / NextAuth. Our engine checks 2 technical signals.
Auth.js / NextAuth 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 Auth.js / NextAuth website leaves distinctive technical fingerprints. Here's what to look for:
HTML Attributes
2 HTML patterns in the page source
Explore how Auth.js / NextAuth compares to similar auth provider tools:
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