Webflow is a visual web design and development platform used by designers, agencies, and marketing teams to build responsive websites without writing code, though it generates clean, standards-compliant HTML and CSS under the hood. Sites built on Webflow are reliably identified through a combination of technical signals, including 3 distinct JavaScript script patterns loaded from Webflow's asset pipeline, 4 characteristic HTML attributes and structural patterns embedded in the page markup, 2 CDN domain signatures used to serve static assets, 2 HTTP response headers that indicate Webflow's hosting infrastructure, and 2 meta tag patterns injected into the document head. These overlapping signal layers allow AIWebsiteDetector.com's detection engine to identify Webflow-powered sites with high confidence across a wide range of site categories, from portfolio and agency sites to SaaS marketing pages and e-commerce storefronts. Webflow is unique in that it offers both a hosted platform (webflow.io subdomains and custom domains routed through its CDN) and the ability to export code for self-hosting, though the exported code still retains several of Webflow's structural HTML fingerprints, making detection possible even in non-hosted deployments. The platform's official presence is at webflow.com, and its hosting tier ranges from free plans with branded subdomains to enterprise plans with advanced CMS and logic capabilities.
Detect Webflow Websites — Free Tool
Enter any URL to check if it was built with Webflow. Instant results, no account required.
How we detect Webflow — see our methodology: AI Influence Score calculation, evidence tiers, and fingerprint signal types.
How to Detect Webflow Websites
Script Patterns
3 patterns
CDN Domains
2 patterns
HTML Patterns
4 patterns
HTTP Headers
2 patterns
Meta Tags
2 patterns
1. Check the Page Source
Open the website in your browser, right-click, and select "View Page Source". Search for webflow-specific patterns in the HTML.
2. Look for Script Files
Check the Network tab in DevTools for JavaScript files loaded from Webflow domains.
3. Check CDN Domains
Network requests to these CDN domains indicate a Webflow site:
assets\.website-files\.comuploads-ssl\.webflow\.com4. Use AI Website Detector (Easiest)
Our automated scanner checks all these signals at once and gives you an instant confidence score. Just enter any URL above.
Frequently Asked Questions
Is this website built with Webflow?
Paste the URL into the free scanner above. We check for Webflow-specific signals including webflow.com CDN, Webflow JavaScript, and HTML data attributes — and return a confidence score instantly.
What is Webflow?
Webflow is a visual web development platform that lets designers build production-ready websites without writing code. It generates clean HTML, CSS, and JavaScript, and includes a headless CMS. It is widely used by agencies and marketing teams.
How do you detect a Webflow website?
Webflow sites load scripts from webflow.js and assets from Webflow's CDN (assets.website-files.com or uploads-ssl.webflow.com). The page source also contains Webflow-specific data attributes and meta tags. Our scanner checks all these automatically.
Is Webflow better than WordPress?
Webflow gives designers more visual control and produces cleaner code than most WordPress setups. WordPress has a far larger plugin ecosystem and is better for complex content requirements. Webflow is better for design-led projects; WordPress for content-heavy or highly customised sites.
Is Webflow better than Framer?
Webflow is stronger for CMS-driven sites, multi-page architectures, and teams that need content editors. Framer is faster for launching a simple marketing site or landing page. Both produce high-quality output but suit different use cases.
What websites are built with Webflow?
Browse our Webflow gallery to see real examples detected by our scanner — SaaS landing pages, agency sites, portfolios, and e-commerce stores — with screenshots and tech stack breakdowns.
About Webflow
Webflow is a leading ai website builder used by thousands of businesses and developers worldwide. Our detection engine can identify Webflow-built websites with high confidence by analyzing multiple technical signals.
Whether you're a developer doing competitive research, a designer looking for inspiration, or just curious about how a website was built — AI Website Detector gives you instant, accurate detection.
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Detection Info
- Category
- AI Website Builder
- Signals Used
- 11 patterns
- Accuracy
- High
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