Webflow is the most powerful no-code website builder available, offering pixel-perfect visual design control with a built-in CMS, e-commerce, and advanced animation capabilities. Unlike most builders, Webflow gives designers and developers full CSS control through a visual interface — making it popular with agencies, freelancers, and in-house design teams who need professional results without a frontend developer. Every Webflow page is uniquely identifiable through injected data-wf-page and data-wf-site attributes on the HTML element, proprietary CSS classes (w-nav, w-layout-grid, w-dyn-item), and assets served from uploads-ssl.webflow.com and assets.website-files.com CDNs. The Webflow JS runtime (webflow.js) is loaded on every published site, and Webflow-hosted sites return server: Webflow in their HTTP headers. Site plans start at $14/month, with workspace plans for agencies from $19/month.
Paste any URL to instantly detect whether it was built with Webflow. Our engine checks 11 technical signals.
Webflow 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 Webflow website leaves distinctive technical fingerprints. Here's what to look for:
CDN Domains
Network requests to these domains are a reliable indicator:
assets\.website-files\.comuploads-ssl\.webflow\.comJavaScript Patterns
3 script patterns linked to Webflow
HTML Attributes
4 HTML patterns in the page source
Explore how Webflow compares to similar ai website builder tools: