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.
Webflow — Platform Deep Dive
What is Webflow?
Webflow occupies a different niche than AI-first builders like Lovable or Framer — it's a professional visual development platform aimed at designers and agencies who need full control over markup and CSS without writing it by hand. The editor maps directly onto real HTML/CSS concepts (box model, classes, combinators), giving experienced users fine-grained visual control while still producing clean, standards-compliant output. Webflow's CMS is the platform's other major differentiator: unlike single-page builders, it supports structured content collections, dynamic list/detail templates, and multi-author editing, which is why it's a common choice for agencies building client sites with ongoing content needs rather than one-off landing pages.
Common Use Cases
- →Agency client sites — agencies use Webflow's CMS and reusable components to build and hand off maintainable sites across many clients.
- →SaaS marketing sites with a blog — teams use Webflow CMS collections to run a content-marketing blog alongside the main marketing pages.
- →E-commerce storefronts — Webflow's built-in e-commerce handles small-to-mid catalogs without adopting a dedicated platform like Shopify.
- →Complex multi-page sites — organizations with content-heavy, multi-template sites use Webflow where simpler one-page builders fall short.
Pros
- ✓Full visual control over markup and CSS — closer to hand-coded output than most no-code tools
- ✓True CMS with content collections, not just static pages — supports blogs, directories, and multi-author editing
- ✓Code export option avoids full platform lock-in, unlike Wix or Framer
- ✓Strong choice for agencies managing many client sites from one workspace
- ✓Produces clean, standards-compliant HTML that performs well for SEO
Cons
- ✗Steep learning curve — the box-model-based editor expects real CSS knowledge to use well
- ✗Pricing scales quickly once a project needs CMS items, e-commerce, or multiple team seats
- ✗Not AI-first — no prompt-to-site generation the way Lovable, Framer, or Dora offer
- ✗Complex interactions and animations require more manual setup than Framer's built-in motion tools
- ✗Hosted plans tie billing to page views and CMS items, which can surprise high-traffic sites
Why Our Detection Signals Are Reliable
Webflow's fingerprint spans script, markup, and server layers: 3 script patterns, 2 CDN domains, 4 HTML patterns, 2 meta tags, and 2 HTTP headers. The script patterns catch references to webflow.js and Webflow's own domain, loaded on nearly every published Webflow page to power interactions and forms. The HTML patterns — including data-wf- attributes, the wf-form class on forms, and layout classes like w-layout-grid — come from Webflow's CSS/JS framework and persist in the exported markup even when a site is heavily restyled. Two CDN domains (assets.website-files.com and uploads-ssl.webflow.com) anchor media delivery, and response headers plus meta tags corroborate the platform at the server level. Because Webflow's structural classes are baked into the exported HTML rather than injected only at runtime, detection stays reliable even on sites that have exported and are no longer hosted on Webflow's own infrastructure.
Deployment & Hosting Model
Webflow offers both a hosted tier — where Webflow serves the site directly from its CDN on a custom domain or a webflow.io subdomain — and a code-export option that lets teams download the generated HTML/CSS/JS and self-host elsewhere. Exported sites lose Webflow's CMS and form-handling backend but retain the structural class names and data attributes the detector relies on, which is why Webflow sites remain identifiable even off-platform, unlike Wix or Framer where migrating away also erases the fingerprint.
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.
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Detection Info
- Category
- Website Builder
- Signals Used
- 11 patterns
- Accuracy
- High
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