support.duolingo.com - Secure (SSL)

Résultats de la vérification pour : support.duolingo.com

support.duolingo.com est EN LIGNE

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Info supplémentaires pour https://support.duolingo.com

État du site web support.duolingo.com est EN LIGNE

Informations Techniques

Code de Statut HTTP	200
Version HTTP	HTTP/1.1
HTTPS	✔ Disponible
Adresse IP	54.166.78.178
Logiciel Serveur	duo-api
CDN	CDN (Miss from cloudfront)
Compression	gzip
ℹ 🔵 HSTS Manquant	HTTP Strict Transport Security n'est pas configuré. Recommandé pour les sites HTTPS.
ℹ 🔵 Content Security Policy Manquante	CSP n'est pas configuré. Cela aide à prévenir les attaques XSS et l'injection de contenu.

Code de Statut HTTP 200
Version HTTP HTTP/1.1
HTTPS ✔ Disponible
Adresse IP 54.166.78.178
Logiciel Serveur duo-api
CDN CDN (Miss from cloudfront)
Compression gzip
ℹ 🔵 HSTS Manquant HTTP Strict Transport Security n'est pas configuré. Recommandé pour les sites HTTPS.
ℹ 🔵 Content Security Policy Manquante CSP n'est pas configuré. Cela aide à prévenir les attaques XSS et l'injection de contenu.

Chaîne de Redirection

#	URL	Code de Statut HTTP	Statut
1	https://support.duolingo.com:443	301	HTTP/2 301
2	https://www.duolingo.com/help	200	HTTP/2 200

#1 URL https://support.duolingo.com:443
Code de Statut HTTP 301
Statut HTTP/2 301

#2 URL https://www.duolingo.com/help
Code de Statut HTTP 200
Statut HTTP/2 200

Performance

Résolution DNS	12.7 ms
Connexion TCP	14.1 ms
Négociation TLS	5.2 ms
Temps Jusqu'au Premier Octet (TTFB)	287.5 ms
Téléchargement du Contenu	0.1 ms
Temps de Réponse Total	287.7 ms

Résolution DNS 12.7 ms
Connexion TCP 14.1 ms
Négociation TLS 5.2 ms
Temps Jusqu'au Premier Octet (TTFB) 287.5 ms
Téléchargement du Contenu 0.1 ms
Temps de Réponse Total 287.7 ms

Sécurité

HTTPS	✔ Activé
HSTS	✘ Non configuré
CSP	⚠ Non configuré
X-Frame-Options	✔ SAMEORIGIN
X-Content-Type-Options	⚠ Non configuré
HTTP/2	⚠ HTTP/1.1

HTTPS ✔ Activé
HSTS ✘ Non configuré
CSP ⚠ Non configuré
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ⚠ Non configuré
HTTP/2 ⚠ HTTP/1.1

Vérification SEO Rapide

Meta Description	Duolingo is the world
Canonique	https://www.duolingo.com/help
Robots Meta	NOODP
Titre Open Graph	Learn a language for free
Description Open Graph	Learn languages by playing a game. It
Image Open Graph	https://www.duolingo.com/images/facebook/duo-08523a2.jpg
Twitter Card	summary
Titre Twitter	Duolingo - Learn a language for free @duolingo
Description Twitter	Learn languages by playing a game. It
Image Twitter	https://www.duolingo.com/images/facebook/duo200.png

Meta Description Duolingo is the world
Canonique https://www.duolingo.com/help
Robots Meta NOODP
Titre Open Graph Learn a language for free
Description Open Graph Learn languages by playing a game. It
Image Open Graph https://www.duolingo.com/images/facebook/duo-08523a2.jpg
Twitter Card summary
Titre Twitter Duolingo - Learn a language for free @duolingo
Description Twitter Learn languages by playing a game. It
Image Twitter https://www.duolingo.com/images/facebook/duo200.png

Technologies Détectées

Technologie	Google Tag Manager

Technologie Google Tag Manager

En-têtes HTTP

Content-type	text/html; charset=UTF-8
Date	Wed, 22 Jul 2026 13:26:01 GMT
X-envoy-upstream-service-time	13
X-duo-request-host	www.duolingo.com
Set-cookie	wuuid=4b7895d4-a71b-48e1-a6bd-93c27819ccac
Server	duo-api
No-retry	1
Cache-control	no-store, no-cache, must-revalidate, proxy-revalidate
Expires	0
Pragma	no-cache
Surrogate-control	no-store
X-frame-options	SAMEORIGIN
X-tid	fffff16c6a60c0f5050e
X-ws	UK
X-runtime	0.00649
Content-encoding	gzip
X-cache	Miss from cloudfront
Via	1.1 3e64d13b5688ecc545b8785f7d1a8276.cloudfront.net (CloudFront)
X-amz-cf-pop	CDG54-P1
X-amz-cf-id	ARuCZgmN-oDhb2g6hxgXxan6OhvZbzQqB5bPWGBcGpCw8yU7Wf_xQA==

Balises Meta

Viewport	width=device-width,initial-scale=1,user-scalable=no
Robots	NOODP
Refresh	0; url=/nojs/splash
Apple-mobile-web-app-capable	yes
Apple-mobile-web-app-status-bar-style	black
Apple-mobile-web-app-title	Duolingo
Google	notranslate
Mobile-web-app-capable	yes
Apple-itunes-app	app-id=570060128
Facebook-domain-verification	mwudgypvvgl4fekxjk5rpk3eqg7ykt
Fb:app_id	234536436609303
Keywords	learn, spanish, german, french, portuguese, italian, english, free, lessons, course, language, study, flashcards
Description	Duolingo is the world

Content-type text/html; charset=UTF-8
Date Wed, 22 Jul 2026 13:26:01 GMT
X-envoy-upstream-service-time 13
X-duo-request-host www.duolingo.com
Set-cookie wuuid=4b7895d4-a71b-48e1-a6bd-93c27819ccac
Server duo-api
No-retry 1
Cache-control no-store, no-cache, must-revalidate, proxy-revalidate
Expires 0
Pragma no-cache
Surrogate-control no-store
X-frame-options SAMEORIGIN
X-tid fffff16c6a60c0f5050e
X-ws UK
X-runtime 0.00649
Content-encoding gzip
X-cache Miss from cloudfront
Via 1.1 3e64d13b5688ecc545b8785f7d1a8276.cloudfront.net (CloudFront)
X-amz-cf-pop CDG54-P1
X-amz-cf-id ARuCZgmN-oDhb2g6hxgXxan6OhvZbzQqB5bPWGBcGpCw8yU7Wf_xQA==

Viewport width=device-width,initial-scale=1,user-scalable=no
Robots NOODP
Refresh 0; url=/nojs/splash
Apple-mobile-web-app-capable yes
Apple-mobile-web-app-status-bar-style black
Apple-mobile-web-app-title Duolingo
Google notranslate
Mobile-web-app-capable yes
Apple-itunes-app app-id=570060128
Facebook-domain-verification mwudgypvvgl4fekxjk5rpk3eqg7ykt
Twitter:image

Twitter:card summary
Twitter:site @duolingo
Twitter:title Duolingo - Learn a language for free @duolingo
Twitter:description Learn languages by playing a game. It
Fb:app_id 234536436609303
Og:type website
Og:url https://www.duolingo.com/help
Og:image

Og:image:height 630
Og:image:width 1200
Og:site_name Duolingo
Og:title Learn a language for free
Og:description Learn languages by playing a game. It
Keywords learn, spanish, german, french, portuguese, italian, english, free, lessons, course, language, study, flashcards
Description Duolingo is the world

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