Built with / duolingo.com

What is duolingo.com built with?

SiteIntel detected 1 technology on duolingo.com, including Google Tag Manager. Below is the full stack alongside the site's metadata and public profiles, all from a single API call.

Detected technology

Google Tag Manager

Site metadata

TitleDuolingo
DescriptionDuolingo 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!
Serverduo-api

Data from SiteIntel as of 2026-07-01. Sites change — run the live API on duolingo.com for the current response.

FAQ

What is duolingo.com built with?

SiteIntel detected Google Tag Manager on duolingo.com. Detection reads the homepage HTML and response headers, so it reflects client-visible technologies.

How was duolingo.com's tech stack detected?

With one SiteIntel API call. It reads the page HTML and response headers — no login or browser extension. You can run the same call on any URL.

Does SiteIntel have a free tier?

Yes. SiteIntel offers a free tier (50 requests/month) on RapidAPI, so you can test it before upgrading.

Detect any site's stack

One call returns tech, metadata, socials, emails, and a screenshot. Free tier, 50 requests.

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