Link Check results for www.duolingo.com

Screenshot of www.duolingo.com

website screenshot of https://duolingo.com

Last checked: April 30, 2025 13:13:44

Check URL: https://duolingo.com

If you've submitted a new scan request, please refresh after 10 minutes to check the results.

Page Info

  • URL: https://duolingo.com
  • Title: Duolingo - The world's best way to learn a language
  • Favicon: www.duolingo.com logo

Host Info

  • Domain: www.duolingo.com
  • Server: duo-api
  • Country: United States
  • IP: 35.169.196.131
  • ASN: 14618 (AMAZON-AES)

Technologies

  • Ubuntu logo Ubuntu
  • Google Sign-in logo Google Sign-in
  • Envoy logo Envoy
  • React logo React
  • Nginx logo Nginx
  • reCAPTCHA logo reCAPTCHA
  • OneTrust logo OneTrust
  • Google Tag Manager logo Google Tag Manager

SSL Info

  • HTTPS: Yes
  • Certificate Issuer: Go Daddy Secure Certificate Authority - G2
  • Valid From: 2024-11-19 14:27:12
  • Valid To: 2025-12-21 14:27:12
  • Subject Name: *.duolingo.com

Statistics

  • Total Requests: 96
  • Total Transfer Size: 2.61 MB
  • Total Content Size: 11.92 MB
  • Domains: 11
  • IP Addresses: 11

Headers

cache-control: no-store, no-cache, must-revalidate, proxy-revalidate

content-encoding: gzip

content-type: text/html; charset=UTF-8

date: Wed, 30 Apr 2025 13:13:51 GMT

expires: 0

no-retry: 1

pragma: no-cache

server: duo-api

surrogate-control: no-store

x-duo-request-host: www.duolingo.com

x-envoy-upstream-service-time: 72

x-frame-options: SAMEORIGIN

x-runtime: 0.06938

x-tid: ffff07ca681220e30925

x-ws: UK

Detailed Technologies

Name Category Description
Ubuntu
Ubuntu

Operating systems

Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.
Google Sign-in
Google Sign-in

Authentication

Google Sign-In is a secure authentication system that reduces the burden of login for users, by enabling them to sign in with their Google account.
Envoy
Envoy

Reverse proxies

Envoy is an open-source edge and service proxy, designed for cloud-native applications.
React
React

JavaScript frameworks

React is an open-source JavaScript library for building user interfaces or UI components.
Nginx
Nginx

Web servers
Reverse proxies

Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
reCAPTCHA
reCAPTCHA

Security

reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
OneTrust
OneTrust

Cookie compliance

OneTrust is a cloud-based data privacy management compliance platform.
Google Tag Manager
Google Tag Manager

Tag managers

Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.

Cookies

Name Value Domain Expires Attributes
AWSALB
NnwdPX3bipbAcWplHMLCM0uF1bYT8tJygF4Jpffx64PvQ9+AhusdKDBykhWofobsdPnK+w5+t4+f79tN1F4Xlxdh5NOUVq5YKcO31RoArCERrnt6RJl2lxpjgCGn
www.duolingo.com
5/7/2025, 1:13:53 PM
initial_referrer
$direct
.duolingo.com
4/30/2026, 1:13:51 PM
lr
.duolingo.com
4/30/2026, 1:13:51 PM
lu
https://www.duolingo.com/
.duolingo.com
4/30/2026, 1:13:51 PM
wuuid
69b43b3c-b9d3-408d-8687-8e785ecfbde3
www.duolingo.com
Session
tsl
1746018831753
.duolingo.com
4/30/2026, 1:13:51 PM
AWSALBCORS
NnwdPX3bipbAcWplHMLCM0uF1bYT8tJygF4Jpffx64PvQ9+AhusdKDBykhWofobsdPnK+w5+t4+f79tN1F4Xlxdh5NOUVq5YKcO31RoArCERrnt6RJl2lxpjgCGn
www.duolingo.com
5/7/2025, 1:13:53 PM
SecureSameSite: None
lp
splash
.duolingo.com
4/30/2026, 1:13:52 PM
lang
en
.duolingo.com
4/30/2026, 1:13:51 PM
OptanonConsent
isGpcEnabled=0&datestamp=Wed+Apr+30+2025+13%3A13%3A55+GMT%2B0000+(Coordinated+Universal+Time)&version=202404.1.0&browserGpcFlag=0&isIABGlobal=false&hosts=&consentId=dde7f24d-7cc6-459e-870b-09748cb8d400&interactionCount=0&isAnonUser=1&landingPath=https%3A%2F%2Fwww.duolingo.com%2F&groups=C0001%3A1%2CC0002%3A0%2CC0003%3A0%2CC0004%3A0
.duolingo.com
10/27/2025, 1:13:55 PM
SameSite: Lax
logged_out_uuid
996d3a14-78df-4273-938a-8d8413d7d659
.duolingo.com
4/30/2026, 1:13:51 PM

Requested Domains

Domain Type Categories
accounts.google.com
N/A
N/A
cdn.cookielaw.org
N/A
N/A
d35aaqx5ub95lt.cloudfront.net
N/A
N/A
duolingo.com
N/A
N/A
excess.duolingo.com
N/A
N/A
geolocation.onetrust.com
N/A
N/A
www.duolingo.com
Subdomain
Education, Education, Translator, Technology
www.googletagmanager.com
N/A
N/A
www.gstatic.com
N/A
N/A
www.recaptcha.net
N/A
N/A
zombie.duolingo.com
N/A
N/A

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