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duolingo.com

Duolingo

Duolingo is the world's most popular way to learn a language. It's 100% free, fun and science-based. Practice online on duolingo.com or on the apps!

Last scanned 3 days agoCompare with another site →

Built with

No platform, CMS or framework detected. Detection is passive: it only sees what a site exposes in its HTML, headers and cookies, so custom or well-hidden stacks show up as nothing rather than as a guess.

Also detected

Infrastructure
Amazon CloudFront
Third-party services
Google Tag Manager · OneTrust

Overview

Status
alive
Registered
2010-01-26 (17 years ago)
through Amazon Registrar
First seen here
2026-09-23
Hosting
Amazon.com, Inc. · AS16509 · France
Server header
duo-api
Response time
660 ms to first byte, measured from our crawler
TLS certificate
Amazon · TLSv1.3 · expires 2026-12-24
Mobile-ready
yes (viewport meta tag)
Popularity
ranked #462 of the top million (Tranco, a 30-day average of several ranking lists)
Linked to from
0 other sites seen so far

Loads scripts from

Third-party domains this page pulls JavaScript or iframes from.

cookielaw.orgcloudfront.net

Generated automatically from passive, publicly observable data. Think something here is wrong or want this profile removed? See /bot. Machine-readable: JSON.