Duolingo tech stack

We detected 3 technologies on duolingo.com, including Google Tag Manager, OneTrust, Google Fonts.

Detected from scripts and markup on the duolingo.com homepage on October 2, 2026. This covers what the website loads in the browser, not Duolingo's backend or internal tools.

Tag manager

Google Tag Manager
Also used by Airtable, Allbirds, Anthropic, Cal.com, Calendly

Cookie consent

OneTrust
Also used by Airtable, Allbirds, Asana, Atlassian, Calendly

Font service

Google Fonts
Also used by Asana, Atlassian, Cal.com, Clay, Discord

Duolingo brand profile · Duolingo fonts and colors

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Baxter is not affiliated with Duolingo. Data was measured from duolingo.com.