Bolt.new is an AI-powered web app builder by StackBlitz that creates full-stack applications in the browser. It uses WebContainers technology to run Node.js directly in the browser, making instant deployment possible.
Paste any URL to instantly detect whether it was built with Bolt. Our engine checks 4 technical signals.
Bolt is used across many industries. These are the most common website types built on this platform:
SaaS companies
Beautiful landing pages without an engineering team
Freelance designers
Deliver polished client sites with full design control
Marketing agencies
Fast iteration on campaign microsites
Startups
Launch a compelling product page in hours
Every Bolt website leaves distinctive technical fingerprints. Here's what to look for:
JavaScript Patterns
2 script patterns linked to Bolt
HTML Attributes
2 HTML patterns in the page source
Explore how Bolt compares to similar ai website builder tools: