2 Websites Built with Flask
Flask is a backend framework platform used to build and deploy modern websites.
2 real websites built with Flask — sites created with, developed on, or running Flask in production. Detected live by our AI-powered scanner through script fingerprints, CDN patterns, HTML attributes, and hosting signals.
2 Sites Using Flask


About Flask
Flask is a backend framework platform used to build and deploy modern websites.
- Recognizable runtime and asset loading patterns
- Consistent layout or component conventions across projects
- Platform-specific deployment and publishing workflow
How We Detect Flask
Our scanner identifies Flask usage through the following signals:
- 0 script-based fingerprints
- 0 CDN/domain fingerprints
- 0 HTML structure fingerprints
Related Technologies
Frequently Asked Questions
What websites use Flask?
Our live scanner has detected 2 websites built with or running Flask. The list above shows real domains identified through script fingerprints, CDN patterns, HTML attributes, and HTTP headers.
How can I tell if a website is built with Flask?
Paste any URL into the scanner at the top of this page. Our detector checks 0 script-based fingerprints, 0 CDN/domain fingerprints, 0 HTML structure fingerprints to identify Flask usage — results appear in under 5 seconds.
Is Flask still popular in 2026?
Yes — we actively detect Flask across thousands of new scans every month. The 2 sites in our database represent only websites scanned through our tool; the actual total number of Flask sites on the web is far higher.
What other technologies do Flask sites commonly use?
Websites built with Flask often pair it with analytics tools (Google Analytics, Plausible), CDN providers, and complementary libraries. Scan any Flask site to see its complete tech stack.