support.duolingo.com - Secure (SSL)

Проверка результатов для: support.duolingo.com

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Дополнительная информация for https://support.duolingo.com

Статус сайта support.duolingo.com ОНЛАЙН

Technical Information

HTTP Status Code	200
HTTP Version	HTTP/1.1
HTTPS	✔ Available
IP Address	100.24.232.208
Server Software	duo-api
CDN	CDN (Miss from cloudfront)
Compression	gzip
ℹ 🔵 Missing HSTS	HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
ℹ 🔵 Missing Content Security Policy	CSP is not configured. It helps prevent XSS attacks and content injection.

HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 100.24.232.208
Server Software duo-api
CDN CDN (Miss from cloudfront)
Compression gzip
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.

Redirect Chain

#	URL	HTTP Status Code	Status
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
HTTP Status Code 301
Status HTTP/2 301

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

Performance

DNS Lookup	7.3 ms
TCP Connect	8.2 ms
TLS Handshake	4.2 ms
Time To First Byte (TTFB)	274.6 ms
Content Download	0.1 ms
Total Response Time	274.7 ms

DNS Lookup 7.3 ms
TCP Connect 8.2 ms
TLS Handshake 4.2 ms
Time To First Byte (TTFB) 274.6 ms
Content Download 0.1 ms
Total Response Time 274.7 ms

Security

HTTPS	✔ Enabled
HSTS	✘ Not configured
CSP	⚠ Not configured
X-Frame-Options	✔ SAMEORIGIN
X-Content-Type-Options	⚠ Not configured
HTTP/2	⚠ HTTP/1.1

HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1

SEO Quick Check

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

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

Detected Technologies

Technology	Google Tag Manager

Technology Google Tag Manager

HTTP Headers

Content-type	text/html; charset=UTF-8
Date	Sun, 30 Aug 2026 23:08:55 GMT
X-envoy-upstream-service-time	8
X-duo-request-host	www.duolingo.com
Server	duo-api
Set-cookie	wuuid=214140e2-59fa-4e5e-94c5-d4a0cadb097f
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	fffff16b6a943094bb32
X-ws	UK
X-runtime	0.00647
Content-encoding	gzip
X-cache	Miss from cloudfront
Via	1.1 a26544452d8cd9408d834a5f0e5c4cc8.cloudfront.net (CloudFront)
X-amz-cf-pop	CDG54-P1
X-amz-cf-id	8lQM30mUoc2sABmWvevgkMlggi78E-tep_QlARK2IuHtpTrXqsZbyw==

Meta Tags

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 Sun, 30 Aug 2026 23:08:55 GMT
X-envoy-upstream-service-time 8
X-duo-request-host www.duolingo.com
Server duo-api
Set-cookie wuuid=214140e2-59fa-4e5e-94c5-d4a0cadb097f
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 fffff16b6a943094bb32
X-ws UK
X-runtime 0.00647
Content-encoding gzip
X-cache Miss from cloudfront
Via 1.1 a26544452d8cd9408d834a5f0e5c4cc8.cloudfront.net (CloudFront)
X-amz-cf-pop CDG54-P1
X-amz-cf-id 8lQM30mUoc2sABmWvevgkMlggi78E-tep_QlARK2IuHtpTrXqsZbyw==

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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Проверка результатов для: support.duolingo.com

support.duolingo.com ОНЛАЙН