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www.duolingo.com Open in urlscan Pro
52.204.108.20  Public Scan

Go To Rescan Add Verdict Report
URL: https://www.duolingo.com/lesson
Submission: On April 08 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 15 IPs in 3 countries across 10 domains to perform 110 HTTP transactions. The main IP is 52.204.108.20, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is www.duolingo.com. The Cisco Umbrella rank of the primary domain is 22890.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on November 21st 2023. Valid for: a year.
This is the only time www.duolingo.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

4    52.204.108.20 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-52-204-108-20.compute-1.amazonaws.com
www.duolingo.com
5    2606:4700::6813:b234 (United States)

ASN13335 (CLOUDFLARENET, US)
cdn.cookielaw.org
2    2a00:1450:4001:80f::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.recaptcha.net
80    2600:9000:237d:2600:7:60cd:e840:21 (United States)

ASN16509 (AMAZON-02, US)
d35aaqx5ub95lt.cloudfront.net
1    2a00:1450:4001:806::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.gstatic.com
1    2606:4700:4400::ac40:9b77 (United States)

ASN13335 (CLOUDFLARENET, US)
geolocation.onetrust.com
8    3.233.188.33 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-3-233-188-33.compute-1.amazonaws.com
excess.duolingo.com
1    2a00:1450:4001:81d::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
3    2a00:1450:400c:c09::54 (Brussels, Belgium)

ASN15169 (GOOGLE, US)
accounts.google.com
1    108.138.36.17 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-108-138-36-17.muc50.r.cloudfront.net
brb.duolingo.com
1    108.138.36.18 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-108-138-36-18.muc50.r.cloudfront.net
zombie.duolingo.com
1    2a03:2880:f084:d:face:b00c:0:3 (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)
connect.facebook.net
1    157.240.252.13 (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)
PTR: xx-fbcdn-shv-01-fra3.fbcdn.net
connect.facebook.net
1    2a03:2880:f176:181:face:b00c:0:25de (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)
www.facebook.com
Apex Domain
Subdomains		 Transfer
80 cloudfront.net
d35aaqx5ub95lt.cloudfront.net
1 MB
14 duolingo.com
www.duolingo.com — Cisco Umbrella Rank: 22890
excess.duolingo.com — Cisco Umbrella Rank: 7925
brb.duolingo.com — Cisco Umbrella Rank: 9546
zombie.duolingo.com — Cisco Umbrella Rank: 8966
11 KB
5 cookielaw.org
cdn.cookielaw.org — Cisco Umbrella Rank: 314
118 KB
3 google.com
accounts.google.com — Cisco Umbrella Rank: 27
85 KB
2 facebook.net
connect.facebook.net — Cisco Umbrella Rank: 176
90 KB
2 recaptcha.net
www.recaptcha.net — Cisco Umbrella Rank: 1326
1 KB
1 facebook.com
www.facebook.com — Cisco Umbrella Rank: 99
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 43
103 KB
1 onetrust.com
geolocation.onetrust.com — Cisco Umbrella Rank: 552
295 B
1 gstatic.com
www.gstatic.com
201 KB
110 10
Domain Requested by
80 d35aaqx5ub95lt.cloudfront.net www.duolingo.com
d35aaqx5ub95lt.cloudfront.net
8 excess.duolingo.com d35aaqx5ub95lt.cloudfront.net
5 cdn.cookielaw.org www.duolingo.com
cdn.cookielaw.org
d35aaqx5ub95lt.cloudfront.net
4 www.duolingo.com d35aaqx5ub95lt.cloudfront.net
3 accounts.google.com d35aaqx5ub95lt.cloudfront.net
accounts.google.com
2 connect.facebook.net d35aaqx5ub95lt.cloudfront.net
connect.facebook.net
2 www.recaptcha.net www.duolingo.com
www.gstatic.com
1 www.facebook.com d35aaqx5ub95lt.cloudfront.net
1 zombie.duolingo.com d35aaqx5ub95lt.cloudfront.net
1 brb.duolingo.com d35aaqx5ub95lt.cloudfront.net
1 www.googletagmanager.com d35aaqx5ub95lt.cloudfront.net
1 geolocation.onetrust.com cdn.cookielaw.org
1 www.gstatic.com www.recaptcha.net
110 13

This site contains links to these domains. Also see Links.

Domain
policies.google.com
Subject Issuer Validity Valid
*.duolingo.com
Go Daddy Secure Certificate Authority - G2		 2023-11-21 -
2024-12-22		 a year crt.sh
cookielaw.org
Cloudflare Inc ECC CA-3		 2024-03-01 -
2024-12-31		 10 months crt.sh
misc.google.com
GTS CA 1C3		 2024-03-04 -
2024-05-27		 3 months crt.sh
*.cloudfront.net
Amazon RSA 2048 M01		 2023-10-10 -
2024-09-19		 a year crt.sh
*.gstatic.com
GTS CA 1C3		 2024-03-04 -
2024-05-27		 3 months crt.sh
onetrust.com
Cloudflare Inc ECC CA-3		 2023-11-13 -
2024-11-12		 a year crt.sh
*.google-analytics.com
GTS CA 1C3		 2024-03-04 -
2024-05-27		 3 months crt.sh
accounts.google.com
GTS CA 1C3		 2024-03-04 -
2024-05-27		 3 months crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA		 2024-01-16 -
2024-04-15		 3 months crt.sh

This page contains 3 frames:

Primary Page: https://www.duolingo.com/lesson
Frame ID: 37F2FE763BCB548CFCB4B729DE5BE3B6
Requests: 105 HTTP requests in this frame

Frame: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY29tOjQ0Mw..&hl=de&v=rz4DvU-cY2JYCwHSTck0_qm-&size=invisible&cb=v7wnm78hjwya
Frame ID: 39327671FAFFF8E548674DB139ADC941
Requests: 1 HTTP requests in this frame

Frame: https://accounts.google.com/gsi/button?click_listener=async()%3D%3E%7Bvar%20e%2Ct%3Bconst%7Bdispatch%3Aa%2CmodalOptions%3A%7BallowLanguagelessUser%3As%2CisSignIn%3An%2ClimitRedirect%3Ar%2CredirectPath%3Ai%3DC.B6%2CtrackingProps%3Ao%2Cvia%3Al%7D%2Chistory%3Ac%7D%3Dthis.props%3Bthis.setState(%7Berrors%3A%7B%7D%2Csubmitting%3A!1%7D)%3Btry%7B(0%2C_.track)(n%3F%22sign_in_tap%22%3A%22registration_tap%22%2C%7Btarget%3A%22google%22%2Cvia%3Al%2C...o%7D)%3Bconst%20e%3Dawait(0%2Cbe.F)(%7BallowLanguagelessUser%3As%2CdisallowAutomaticRegister%3Athis.isCoppaRequired()%2Cdispatch%3Aa%2Chistory%3Ac%2ConLoginSuccess%3Athis.handleLoginSuccess%2CredirectPath%3Ai%2CsetSubmitting%3A()%3D%3Ethis.setState(%7Bsubmitting%3A%22google%22%7D)%2Cvia%3Al%7D)%3Bthis.handleGeneralSuccess(e%2Cr)%7Dcatch(a)%7Bthis.setState(%7Berrors%3A%7Bsocial%3A!(0%2CP.Hx)(a)%7C%7C401!%3D%3D(null%3D%3D%3D(e%3Da.response)%7C%7Cvoid%200%3D%3D%3De%3Fvoid%200%3Ae.status)%26%26403!%3D%3D(null%3D%3D%3D(t%3Da.response)%7C%7Cvoid%200%3D%3D%3Dt%3Fvoid%200%3At.status)%3F(0%2CQ.H8)(19737)%3A(0%2CQ.H8)(24701)%7D%2Csubmitting%3A!1%2CuseImprovedErrorMessages%3A!0%7D)%2Cn%7C%7Cthis.handleRegisterFailure(%22google%22)%7D%7D&width=176&client_id=450298686065.apps.googleusercontent.com&iframe_id=gsi_80116_646&as=fN%2F%2B2pIBnH2jhJ8XUCTcxA
Frame ID: 96F1188EB80146FF458DB058923ED058
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Duolingo - Die weltbeste Methode, eine Sprache zu lernen

Detected technologies

Overall confidence: 100%
Detected patterns
  • accounts\.google\.com/gsi/client
Overall confidence: 100%
Detected patterns
  • <[^>]+data-react
Overall confidence: 100%
Detected patterns
  • //connect\.facebook\.([a-z]+)/[^/]*/[a-z]*\.js
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtm\.js
Overall confidence: 100%
Detected patterns
  • cdn\.cookielaw\.org
  • otSDKStub\.js

Page Statistics

110
Requests

100 %
HTTPS

64 %
IPv6

10
Domains

13
Subdomains

15
IPs

3
Countries

1949 kB
Transfer

5853 kB
Size

10
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

110 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request lesson
www.duolingo.com/ 		10 KB
4 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://www.duolingo.com/lesson
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.204.108.20 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-204-108-20.compute-1.amazonaws.com
Software
duo-api /
Resource Hash
8059468d82a287b2d7cf66e68e02fd1783d74046d04ebfd78f0b8971dff75f8a
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
accept-language
de-DE,de;q=0.9
sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

cache-control
no-store, no-cache, must-revalidate, proxy-revalidate
content-encoding
gzip
content-type
text/html; charset=UTF-8
date
Mon, 08 Apr 2024 07:07:58 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
21
x-frame-options
SAMEORIGIN
x-runtime
0.01815
x-tid
ffff39716613978d0168
x-ws
UK
otSDKStub.js
cdn.cookielaw.org/scripttemplates/ 		21 KB
7 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/lesson
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6813:b234 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
92e4588c227a58321a728574129e52ec244df30b90fc9a64a30ee65410104c41
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-ms-blob-type
BlockBlob
date
Mon, 08 Apr 2024 07:07:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
Pg1MHDpg+UGdovxhidM4Kg==
age
56081
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
6839
x-ms-lease-status
unlocked
last-modified
Thu, 04 Apr 2024 19:42:31 GMT
server
cloudflare
etag
0x8DC54DF5E2A9977
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
90ba55a2-901e-0084-8073-874b82000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
max-age=86400
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
87106c6ce8e068e5-FRA
enterprise.js
www.recaptcha.net/recaptcha/ 		2 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.recaptcha.net/recaptcha/enterprise.js?render=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/lesson
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80f::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
GSE /
Resource Hash
ce308c396301d7475d855c773c9687f7bfac607748507935d7cda75a88274f9b
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 08 Apr 2024 07:07:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
server
GSE
x-frame-options
SAMEORIGIN
content-type
text/javascript; charset=utf-8
cache-control
private, max-age=300
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
1; mode=block
expires
Mon, 08 Apr 2024 07:07:58 GMT
manifest-49a3ddce.js
d35aaqx5ub95lt.cloudfront.net/js/ 		12 KB
6 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/lesson
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
c8caa12e79c98e5db00dc5c1bdb16fcab9b3989c21ccefd962424f44ccd14c3e

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Apr 2024 17:56:46 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Tue, 02 Apr 2024 17:27:50 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
479473
etag
"ecaa5a0371e12cd7d184cd30d31bea42"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
6149
x-amz-cf-id
1dEqWHeNis4GUd7xWZfzPG76KMpriXV4qga64g3i-Pd97wRzLo3lQA==
features-aaa1ae8d.js
d35aaqx5ub95lt.cloudfront.net/js/ 		3 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/features-aaa1ae8d.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/lesson
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
82b4dd87639d0a3f359c2d929e7bd6b250e90d5a985f3b261a9411f3014caa5d

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 15 Feb 2024 18:55:59 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Thu, 15 Feb 2024 18:26:58 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
4536720
etag
"c75a6633774bfc799186be1d71835ac9"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
1140
x-amz-cf-id
eqr6zR0kAF-M7aHYLNoMItUH9VR88jjKaAd8-WBKHD2j4GuYTSzYgw==
8553-34f8e48e.js
d35aaqx5ub95lt.cloudfront.net/js/ 		24 KB
9 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/8553-34f8e48e.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/lesson
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
c7a707567193a77a2953d537c8ca1bd697515b53baa65967a68fdbb9345b373f

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 03 Jan 2024 20:56:12 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 03 Jan 2024 20:28:38 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
8244706
etag
"0b42a611684896dfcf7cfc72edc0fb72"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
9288
x-amz-cf-id
-VELAnmFT2F2he1GKL9zXc575Hjbj_9QJHyBbXsiJq-a_GlZYFT9nA==
polyfills-d1e2cb95.js
d35aaqx5ub95lt.cloudfront.net/js/ 		371 B
628 B 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/polyfills-d1e2cb95.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/lesson
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
cfff8569bb27bee3dcbccaba435f5f8eb724b8052d64ab2d89c5c31f172813c8

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 04 Jan 2024 02:24:59 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 03 Jan 2024 23:37:20 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
8224980
etag
"68f9e1c58cf5415d5cd04b41da7beef2"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
233
x-amz-cf-id
_MnKpPLSqr1YcdnN_E7wa4JrafnRNUYG_mLup70uimCncq6yEZezBA==
2867-a89e1c36.js
d35aaqx5ub95lt.cloudfront.net/js/ 		336 KB
109 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/2867-a89e1c36.js
Requested by
Host: www.duolingo.com
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H2
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TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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sec-ch-ua
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sec-ch-ua-mobile
?0
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sec-ch-ua-platform
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date
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content-encoding
gzip
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General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/strings/de-9b0adbaf.js
Requested by
Host: www.duolingo.com
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H2
Security
TLS 1.3, , AES_128_GCM
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2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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sec-ch-ua
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accept-language
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
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content-encoding
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General
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Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/8786-c51a9753.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/lesson
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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sec-ch-ua
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accept-language
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
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content-encoding
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General
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https://d35aaqx5ub95lt.cloudfront.net/js/app-42ec7f69.js
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sec-ch-ua
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Response headers

date
Fri, 29 Mar 2024 19:57:23 GMT
content-encoding
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https://d35aaqx5ub95lt.cloudfront.net/css/8786-b4683486.css
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sec-ch-ua
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content-encoding
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https://d35aaqx5ub95lt.cloudfront.net/css/app-64c20f0d.css
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sec-ch-ua
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sec-ch-ua-mobile
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sec-ch-ua-platform
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date
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content-encoding
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Full URL
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sec-ch-ua-mobile
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sec-ch-ua-platform
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BlockBlob
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Mon, 08 Apr 2024 07:07:59 GMT
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cloudflare
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201 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.gstatic.com/recaptcha/releases/rz4DvU-cY2JYCwHSTck0_qm-/recaptcha__de.js
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sec-ch-ua
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sec-ch-ua-mobile
?0
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sec-ch-ua-platform
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date
Sun, 07 Apr 2024 11:06:20 GMT
content-encoding
gzip
x-content-type-options
nosniff
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72099
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
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General
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Full URL
https://d35aaqx5ub95lt.cloudfront.net/vendor/8df26391f330be315074ddd7b74b66b8.woff2
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Host: www.duolingo.com
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H2
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sec-ch-ua-mobile
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sec-ch-ua-platform
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date
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content-encoding
gzip
via
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x-amz-cf-pop
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43229
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AmazonS3
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General
Check archive.org
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Full URL
https://d35aaqx5ub95lt.cloudfront.net/vendor/dcf3e686284c5e7eeca4f8e200392c01.woff2
Requested by
Host: www.duolingo.com
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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sec-ch-ua
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accept-language
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sec-ch-ua-mobile
?0
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sec-ch-ua-platform
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Response headers

date
Mon, 11 Mar 2024 17:49:58 GMT
content-encoding
gzip
via
1.1 75964e4626dd702b8dac2690031df25a.cloudfront.net (CloudFront)
x-amz-cf-pop
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last-modified
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server
AmazonS3
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General
Check archive.org
Download Go to
Full URL
data:truncated
Protocol
DATA
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-, , ASN (),
Reverse DNS
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Resource Hash
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Request headers

Referer
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https://www.duolingo.com
accept-language
de-DE,de;q=0.9
User-Agent
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Response headers

Content-Type
text/javascript
location
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295 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://geolocation.onetrust.com/cookieconsentpub/v1/geo/location
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:4400::ac40:9b77 , United States, ASN13335 (CLOUDFLARENET, US),
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Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
accept
application/json
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 08 Apr 2024 07:07:59 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-encoding
gzip
server
cloudflare
vary
Accept-Encoding
access-control-allow-methods
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content-type
application/json
access-control-allow-origin
*
cf-ray
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access-control-allow-headers
Content-Type
batch
excess.duolingo.com/ Frame 		0
0 		Preflight
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.233.188.33 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-233-188-33.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://www.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Response headers

accept-encoding
gzip, identity
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods
POST, GET, OPTIONS
access-control-allow-origin
*
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3600
allow
GET, HEAD, POST, TRACE, OPTIONS
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0
date
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server
Jetty(9.4.53.v20231009)
5137-bb566835.css
d35aaqx5ub95lt.cloudfront.net/css/ 		2 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/5137-bb566835.css
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
4304c6e938f051a7db0312aff9fba46a218ad043509d599757053ee338894122

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:27:22 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988838
etag
"68a9933cf68df36ee8c92e8d8dbb7ff2"
x-amz-server-side-encryption
AES256
x-cache
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content-type
text/css
cache-control
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accept-ranges
bytes
content-length
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x-amz-cf-id
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5137-d960a8f1.js
d35aaqx5ub95lt.cloudfront.net/js/ 		6 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/5137-d960a8f1.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:27:22 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988838
etag
"a1bfdc1f11a770758ae36b1ab272ad89"
x-amz-server-side-encryption
AES256
x-cache
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content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
2330
x-amz-cf-id
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6137-0e3addc4.css
d35aaqx5ub95lt.cloudfront.net/css/ 		3 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/6137-0e3addc4.css
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:27:22 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988838
etag
"aa14744580ddf78261de7bb9fd865d7a"
x-amz-server-side-encryption
AES256
x-cache
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content-type
text/css
cache-control
max-age=315360000
accept-ranges
bytes
content-length
859
x-amz-cf-id
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6137-21b95323.js
d35aaqx5ub95lt.cloudfront.net/js/ 		7 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/6137-21b95323.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
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Response headers

date
Wed, 27 Mar 2024 20:27:22 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988838
etag
"defda232a647c7cd3c7ad6033d8efa47"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
3035
x-amz-cf-id
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8159-bb566835.css
d35aaqx5ub95lt.cloudfront.net/css/ 		2 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/8159-bb566835.css
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:27:22 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 27 Mar 2024 20:05:16 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988838
etag
"68a9933cf68df36ee8c92e8d8dbb7ff2"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=315360000
accept-ranges
bytes
content-length
841
x-amz-cf-id
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8159-2980afe1.js
d35aaqx5ub95lt.cloudfront.net/js/ 		6 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/8159-2980afe1.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:27:22 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 27 Mar 2024 20:05:28 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988838
etag
"ff661349d6f89c529b9946fc000c20c5"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
2376
x-amz-cf-id
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4800-9cd22bfa.css
d35aaqx5ub95lt.cloudfront.net/css/ 		3 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/4800-9cd22bfa.css
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
b28429c7d69e320668e46841c548485f439ab1025c139ca2205e98f7431b6d77

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:27:22 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 27 Mar 2024 20:05:15 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988838
etag
"13cf08a1997f9817fa9887d977854926"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=315360000
accept-ranges
bytes
content-length
1064
x-amz-cf-id
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4800-3bcad616.js
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3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/4800-3bcad616.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:27:22 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 27 Mar 2024 20:05:27 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988838
etag
"972ddb39b64bca1d0e7e600362879c46"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
2716
x-amz-cf-id
3R672I3cERvkiNubFz2kmhiu4PuyTQQLwWUTCCisQvm_0FtYgDK3bA==
gtm.js
www.googletagmanager.com/ 		310 KB
103 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtm.js?id=GTM-TX6Z97C
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-42ec7f69.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81d::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
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Software
Google Tag Manager /
Resource Hash
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Security Headers
Name Value
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X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 08 Apr 2024 07:07:59 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
105188
x-xss-protection
0
last-modified
Mon, 08 Apr 2024 06:00:00 GMT
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
access-control-allow-headers
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expires
Mon, 08 Apr 2024 07:07:59 GMT
8250-e931d7e5.css
d35aaqx5ub95lt.cloudfront.net/css/ 		6 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/8250-e931d7e5.css
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 04 Jan 2024 00:33:42 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 03 Jan 2024 23:37:09 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
8231658
etag
"21cf5ac4f555e7dfcf1cfe148e84fd68"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=315360000
accept-ranges
bytes
content-length
1886
x-amz-cf-id
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2243-7655a579.css
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2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/2243-7655a579.css
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 20 Mar 2024 20:28:59 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 20 Mar 2024 20:17:31 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
1593541
etag
"ce8270a47aa7ca4dff81b62d20ffdf3b"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=315360000
accept-ranges
bytes
content-length
1829
x-amz-cf-id
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2243-596cbe11.js
d35aaqx5ub95lt.cloudfront.net/js/ 		39 KB
12 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/2243-596cbe11.js
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content-encoding
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Download Go to
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content-encoding
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Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/6373-5fbe5e8e.css
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sec-ch-ua-mobile
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Full URL
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Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/9802-0685d9c8.css
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content-encoding
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Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/9802-82a05116.js
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
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content-encoding
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General
Check archive.org
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Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/6637-1fd123c5.js
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
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sec-ch-ua
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sec-ch-ua-mobile
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Response headers

date
Fri, 29 Mar 2024 19:57:24 GMT
content-encoding
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server
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MUC50-P2
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x-amz-server-side-encryption
AES256
x-cache
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cache-control
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8 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/8181-5f749499.css
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Software
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sec-ch-ua
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accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:27:22 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
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server
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x-amz-server-side-encryption
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27 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/8181-c7e2d505.js
Requested by
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
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accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

date
Tue, 02 Apr 2024 17:56:47 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
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x-amz-server-side-encryption
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cache-control
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General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/5401-0d0f739d.css
Requested by
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
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H2
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sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
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accept-language
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sec-ch-ua-mobile
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User-Agent
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sec-ch-ua-platform
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Response headers

date
Wed, 27 Mar 2024 20:27:22 GMT
content-encoding
gzip
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x-amz-server-side-encryption
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General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/5401-89806170.js
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
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sec-ch-ua
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accept-language
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
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content-encoding
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Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/9518-c9a331b6.css
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
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H2
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TLS 1.3, , AES_128_GCM
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sec-ch-ua
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accept-language
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sec-ch-ua-mobile
?0
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sec-ch-ua-platform
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Response headers

date
Wed, 27 Mar 2024 20:27:22 GMT
content-encoding
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etag
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x-amz-server-side-encryption
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General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/9518-790f8a2d.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
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TLS 1.3, , AES_128_GCM
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sec-ch-ua
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accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

date
Wed, 27 Mar 2024 20:27:22 GMT
content-encoding
gzip
via
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x-amz-cf-pop
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etag
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content-type
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12 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/9166-4afd47cf.css
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
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TLS 1.3, , AES_128_GCM
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Reverse DNS
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Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
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Response headers

date
Fri, 29 Mar 2024 19:57:24 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
817836
etag
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x-amz-server-side-encryption
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Hit from cloudfront
content-type
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cache-control
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44 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/9166-9086a9a4.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
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Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Apr 2024 17:56:47 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
479473
etag
"8f84a145bf69f71c59332eee97925a91"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
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cache-control
max-age=315360000
accept-ranges
bytes
content-length
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x-amz-cf-id
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28 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/6082-93ae4370.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Software
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Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 05 Jan 2024 03:35:08 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
8134372
etag
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x-amz-server-side-encryption
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x-cache
Hit from cloudfront
content-type
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cache-control
max-age=315360000
accept-ranges
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2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/5254-463a1e70.css
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
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Reverse DNS
Software
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Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
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Response headers

date
Sun, 18 Feb 2024 05:17:34 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Fri, 16 Feb 2024 23:00:09 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
4326626
etag
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x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=315360000
accept-ranges
bytes
content-length
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x-amz-cf-id
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3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/1630-efab32e7.css
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
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Response headers

date
Wed, 06 Mar 2024 21:26:33 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 06 Mar 2024 21:15:15 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
2799687
etag
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x-amz-server-side-encryption
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x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=315360000
accept-ranges
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content-length
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x-amz-cf-id
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4 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/1630-4c97808c.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 06 Mar 2024 21:26:33 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
2799687
etag
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x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
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x-amz-cf-id
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9254-460b54e6.js
d35aaqx5ub95lt.cloudfront.net/js/ 		15 KB
6 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/9254-460b54e6.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 20 Mar 2024 20:31:39 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 20 Mar 2024 20:17:44 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
1593381
etag
"31175e19d1bebc9cc9f4c053776e3297"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
5328
x-amz-cf-id
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9231-cd129717.css
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3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/9231-cd129717.css
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:27:23 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 27 Mar 2024 20:05:16 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988837
etag
"33a0420e47b43a95246309f98f89aad4"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=315360000
accept-ranges
bytes
content-length
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x-amz-cf-id
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588-82eb55f1.js
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5 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/588-82eb55f1.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:27:23 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 27 Mar 2024 20:05:27 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988837
etag
"2f4aa18a34857e33edc36359d4d8f080"
x-amz-server-side-encryption
AES256
x-cache
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content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
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x-amz-cf-id
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4 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/7818-8145abc8.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

date
Wed, 27 Mar 2024 20:28:12 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988788
etag
"7f792be0998d0503d392fd5cb2e360e6"
x-amz-server-side-encryption
AES256
x-cache
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content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
3255
x-amz-cf-id
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3702-5683e9a6.css
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3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/3702-5683e9a6.css
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
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accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
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Response headers

date
Wed, 27 Mar 2024 20:28:12 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 27 Mar 2024 20:05:15 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988788
etag
"c6838279105dd56752fd6fb0971ca9c3"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=315360000
accept-ranges
bytes
content-length
2864
x-amz-cf-id
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3702-42fcf87b.js
d35aaqx5ub95lt.cloudfront.net/js/ 		34 KB
12 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/3702-42fcf87b.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:28:12 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 27 Mar 2024 20:05:27 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988788
etag
"785af7e692d8c72bac678472cc826589"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
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x-amz-cf-id
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2039-c0b1d11c.js
d35aaqx5ub95lt.cloudfront.net/js/ 		12 KB
4 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/2039-c0b1d11c.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
febe02469fe2089bba1f024d885d564af3deab1c84b450a8fd99599ace6c55e1

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:28:12 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 27 Mar 2024 20:05:27 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988788
etag
"e604091b557f31286f82916694a862e6"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
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x-amz-cf-id
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3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/7981-e851fab2.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:28:12 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 27 Mar 2024 20:05:28 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988788
etag
"ed7b1754a97ee36bd83e41075fe3e868"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
3176
x-amz-cf-id
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9031-01bdb60e.js
d35aaqx5ub95lt.cloudfront.net/js/ 		7 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/9031-01bdb60e.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:28:12 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 27 Mar 2024 20:05:28 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988788
etag
"3c2a5f9fd6d7569b986eb27fd4530d32"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
2609
x-amz-cf-id
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2869-9f0305b5.css
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10 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/2869-9f0305b5.css
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:28:12 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 27 Mar 2024 20:05:15 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988788
etag
"e403305d39998f101073e1aa9893660a"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=315360000
accept-ranges
bytes
content-length
10215
x-amz-cf-id
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2869-548b883c.js
d35aaqx5ub95lt.cloudfront.net/js/ 		81 KB
28 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/2869-548b883c.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:28:12 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 27 Mar 2024 20:05:27 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988788
etag
"92945363b891a01e7943d576a09491e4"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
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Download Go to
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content-encoding
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General
Check archive.org
Download Go to
Full URL
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sec-ch-ua-platform
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date
Wed, 27 Mar 2024 20:28:12 GMT
content-encoding
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Full URL
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date
Wed, 27 Mar 2024 20:28:12 GMT
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content-encoding
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https://d35aaqx5ub95lt.cloudfront.net/css/8421-1604e9d6.css
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Wed, 27 Mar 2024 20:28:12 GMT
content-encoding
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Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/8421-5b6c22fc.js
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
Wed, 27 Mar 2024 20:28:12 GMT
content-encoding
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General
Check archive.org
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Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/1505-632facd2.css
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Request headers

sec-ch-ua
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sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

date
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content-encoding
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37 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/1505-5ef1d28e.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
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Request headers

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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
Wed, 27 Mar 2024 20:28:12 GMT
content-encoding
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General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/5993-9a2ab485.js
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Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
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Request headers

sec-ch-ua
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accept-language
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sec-ch-ua-mobile
?0
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sec-ch-ua-platform
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Response headers

date
Wed, 27 Mar 2024 20:28:12 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
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988788
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x-amz-server-side-encryption
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General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/8786-c51a9753.js
Protocol
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Request headers

sec-ch-ua
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sec-ch-ua-platform
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sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Content-type
application/json

Response headers

date
Mon, 08 Apr 2024 07:07:59 GMT
accept-encoding
gzip, identity
server
Jetty(9.4.53.v20231009)
access-control-max-age
3600
access-control-allow-methods
POST, GET, OPTIONS
content-type
text/plain;charset=iso-8859-1
access-control-allow-origin
*
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
content-length
34
otBannerSdk.js
cdn.cookielaw.org/scripttemplates/6.16.0/ 		374 KB
83 KB 		Script
General
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https://cdn.cookielaw.org/scripttemplates/6.16.0/otBannerSdk.js
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6813:b234 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
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cloudflare /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-ms-blob-type
BlockBlob
date
Mon, 08 Apr 2024 07:07:59 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
dGCXlveaBvO7BI0nfZKP+g==
age
47251
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
85065
x-ms-lease-status
unlocked
last-modified
Thu, 06 May 2021 19:31:04 GMT
server
cloudflare
etag
0x8D910C57D52F14C
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
710ae3a0-c01e-001f-75b5-0c8a87000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
max-age=86400
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
87106c6f69d968e5-FRA
client
accounts.google.com/gsi/ 		219 KB
84 KB 		Script
General
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https://accounts.google.com/gsi/client
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-42ec7f69.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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2a00:1450:400c:c09::54 Brussels, Belgium, ASN15169 (GOOGLE, US),
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Software
ESF /
Resource Hash
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Security Headers
Name Value
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X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 08 Apr 2024 07:07:59 GMT
content-security-policy
require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, script-src 'report-sample' 'nonce-fjEXl3047GHh7tBYXPAghw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
content-encoding
gzip
x-content-type-options
nosniff
server
ESF
x-frame-options
SAMEORIGIN
report-to
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content-type
application/javascript; charset=utf-8
cache-control
private, max-age=1800
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
cross-origin-opener-policy-report-only
same-origin; report-to="coop_dd7de8473bddc59c6b748810a67a39b1"
expires
Mon, 08 Apr 2024 07:07:59 GMT
web.json
brb.duolingo.com/0/ 		345 B
774 B 		Fetch
General
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https://brb.duolingo.com/0/web.json?user=0&ts=1712560079&tzoffset=2
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/8786-c51a9753.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
108.138.36.17 , United States, ASN16509 (AMAZON-02, US),
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server-108-138-36-17.muc50.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Accept
application/json; charset=UTF-8
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 08 Apr 2024 07:07:50 GMT
via
1.1 902186b72e1ae6ba0d22c4a6abfcf004.cloudfront.net (CloudFront)
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
8
access-control-max-age
3000
access-control-allow-methods
GET, HEAD
content-type
text/html; charset=utf-8
access-control-allow-origin
https://www.duolingo.com
x-cache
Error from cloudfront
vary
Origin,Access-Control-Request-Headers,Access-Control-Request-Method
access-control-allow-credentials
true
content-length
345
x-amz-cf-id
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web.json
zombie.duolingo.com/0/ 		345 B
774 B 		Fetch
General
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Full URL
https://zombie.duolingo.com/0/web.json?user=0&ts=1712560079&tzoffset=2
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/8786-c51a9753.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
108.138.36.18 , United States, ASN16509 (AMAZON-02, US),
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server-108-138-36-18.muc50.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Accept
application/json; charset=UTF-8
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 08 Apr 2024 07:07:53 GMT
via
1.1 e33c4b19512a86c5972c18d1c60d21f8.cloudfront.net (CloudFront)
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
5
access-control-max-age
3000
access-control-allow-methods
GET, HEAD
content-type
text/html; charset=utf-8
access-control-allow-origin
https://www.duolingo.com
x-cache
Error from cloudfront
vary
Origin,Access-Control-Request-Headers,Access-Control-Request-Method
access-control-allow-credentials
true
content-length
345
x-amz-cf-id
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tracking-status
www.duolingo.com/2017-06-30/ 		2 B
1 KB 		Fetch
General
Check archive.org
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Full URL
https://www.duolingo.com/2017-06-30/tracking-status
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/8786-c51a9753.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.204.108.20 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software
duo-api /
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Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
X-Amzn-Trace-Id
User=0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Content-Type
application/json; charset=UTF-8
Accept
application/json; charset=UTF-8
Referer
https://www.duolingo.com/lesson
X-Requested-With
XMLHttpRequest
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 08 Apr 2024 07:07:59 GMT
x-ws
UK
x-tid
ffff39576613978b0148
surrogate-control
no-store
x-duo-request-host
www.duolingo.com
x-envoy-upstream-service-time
30
content-length
2
pragma
no-cache
x-runtime
0.02752
server
duo-api
no-retry
1
access-control-max-age
1728000
access-control-allow-methods
GET, POST, OPTIONS, PATCH, PUT, DELETE
content-type
application/json; charset=UTF-8
access-control-allow-origin
https://www.duolingo.com
access-control-expose-headers
Cache-Control, Content-Length, Content-Type, Expires, No-Retry, Pragma, Surrogate-Control
cache-control
no-store, no-cache, must-revalidate, proxy-revalidate
access-control-allow-credentials
true
x-frame-options
SAMEORIGIN
access-control-allow-headers
, accept, accept-encoding, accept-language, authorization, cache-control, connection, content-type, dnt, host, if-modified-since, keep-alive, user-agent, x-requested-with
expires
0
config
www.duolingo.com/2017-06-30/ 		3 KB
1 KB 		Fetch
General
Check archive.org
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Full URL
https://www.duolingo.com/2017-06-30/config?fields=ageRestrictionLimit,clientExperiments%7Bsfeat_web_clientside_experiment_test_fam,sfeat_web_clientside_experiment_test_fam_v2%7D,featureFlags,ipCountry,speechHost&_=1712560079284
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/8786-c51a9753.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.204.108.20 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-204-108-20.compute-1.amazonaws.com
Software
duo-api /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 1 ; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
X-Amzn-Trace-Id
User=0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Accept
application/json; charset=UTF-8
Referer
https://www.duolingo.com/lesson
X-Requested-With
XMLHttpRequest
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Mon, 08 Apr 2024 07:07:59 GMT
content-encoding
br
x-content-type-options
nosniff
referrer-policy
no-referrer
server
duo-api
vary
Origin,Access-Control-Request-Method,Access-Control-Request-Headers
x-frame-options
DENY
content-type
application/json
x-duo-request-host
www.duolingo.com
cache-control
no-cache, no-store, max-age=0, must-revalidate
x-envoy-upstream-service-time
4
content-length
981
x-xss-protection
1 ; mode=block
expires
0
batch
excess.duolingo.com/ Frame 		0
0 		Preflight
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.233.188.33 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-233-188-33.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://www.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Response headers

accept-encoding
gzip, identity
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods
POST, GET, OPTIONS
access-control-allow-origin
*
access-control-max-age
3600
allow
GET, HEAD, POST, TRACE, OPTIONS
content-length
0
date
Mon, 08 Apr 2024 07:07:59 GMT
server
Jetty(9.4.53.v20231009)
batch
excess.duolingo.com/ 		34 B
311 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/8786-c51a9753.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.233.188.33 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-233-188-33.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash
26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform
"Win32"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Content-type
application/json

Response headers

date
Mon, 08 Apr 2024 07:07:59 GMT
accept-encoding
gzip, identity
server
Jetty(9.4.53.v20231009)
access-control-max-age
3600
access-control-allow-methods
POST, GET, OPTIONS
content-type
text/plain;charset=iso-8859-1
access-control-allow-origin
*
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
content-length
34
anchor
www.recaptcha.net/recaptcha/enterprise/ Frame 3932 		0
0 		Document
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https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY29tOjQ0Mw..&hl=de&v=rz4DvU-cY2JYCwHSTck0_qm-&size=invisible&cb=v7wnm78hjwya
Requested by
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URL: https://www.gstatic.com/recaptcha/releases/rz4DvU-cY2JYCwHSTck0_qm-/recaptcha__de.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80f::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
GSE /
Resource Hash
Security Headers
Name Value
Content-Security-Policy script-src 'report-sample' 'nonce-w0oGx-IhAnu39TGvYNNVhA' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/recaptcha/1
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.duolingo.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
accept-language
de-DE,de;q=0.9
sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control
no-cache, no-store, max-age=0, must-revalidate
content-encoding
gzip
content-security-policy
script-src 'report-sample' 'nonce-w0oGx-IhAnu39TGvYNNVhA' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/recaptcha/1
content-type
text/html; charset=utf-8
cross-origin-embedder-policy
require-corp
cross-origin-resource-policy
cross-origin
date
Mon, 08 Apr 2024 07:07:59 GMT
expires
Mon, 01 Jan 1990 00:00:00 GMT
pragma
no-cache
report-to
{"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
server
GSE
x-content-type-options
nosniff
x-xss-protection
1; mode=block
9487-c4aea741.css
d35aaqx5ub95lt.cloudfront.net/css/ 		318 B
604 B 		Stylesheet
General
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https://d35aaqx5ub95lt.cloudfront.net/css/9487-c4aea741.css
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
3633c279a1e71365c95bebf5ed742c74039afb4eaec2a44f9088f68133b28d5c

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 20:27:23 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Wed, 27 Mar 2024 20:05:16 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
988837
etag
"d757accd483e2b430e242730476a00c7"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=315360000
accept-ranges
bytes
content-length
219
x-amz-cf-id
oAhbb7Nw_UTOs1IF9yvjpgX4zvMnC9fQvepXrt7xIkHboUVf94vu5A==
9487-750aa007.js
d35aaqx5ub95lt.cloudfront.net/js/ 		3 KB
2 KB 		Script
General
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Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/9487-750aa007.js
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49a3ddce.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
23d1cb6d4efdabb875a6865a1059fc7687a72af0928bb0e584d052987eef172a

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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date
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content-encoding
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https://d35aaqx5ub95lt.cloudfront.net/images/ded9ca9461387f30221b67f627227388.svg
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sec-ch-ua
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Response headers

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content-encoding
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sec-ch-ua
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
Tue, 02 Jan 2024 10:34:26 GMT
content-encoding
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Requested by
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform
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https://www.duolingo.com/
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sec-ch-ua-mobile
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date
Mon, 08 Apr 2024 07:07:59 GMT
accept-encoding
gzip, identity
server
Jetty(9.4.53.v20231009)
access-control-max-age
3600
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34
batch
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General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.233.188.33 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-233-188-33.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://www.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Response headers

accept-encoding
gzip, identity
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods
POST, GET, OPTIONS
access-control-allow-origin
*
access-control-max-age
3600
allow
GET, HEAD, POST, TRACE, OPTIONS
content-length
0
date
Mon, 08 Apr 2024 07:07:59 GMT
server
Jetty(9.4.53.v20231009)
de.json
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22 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://cdn.cookielaw.org/consent/55a7f100-001e-4085-87ec-1a6d522f7d67/e43d2735-b44f-43da-ae8a-a4f881b04152/de.json
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/8786-c51a9753.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6813:b234 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ab9c31453315a9da1684d916084fe55f1b8b4fc3c4deaa3af6dc3a2327a0f36c
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-ms-blob-type
BlockBlob
date
Mon, 08 Apr 2024 07:07:59 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
strict-transport-security
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age
34637
content-md5
paot6pSXghmRwNbYwyMbYg==
content-length
22079
x-ms-lease-status
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last-modified
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server
cloudflare
etag
0x8DC54EE6DF204A5
vary
Accept-Encoding
content-type
application/x-javascript
access-control-allow-origin
*
x-ms-request-id
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access-control-expose-headers
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cache-control
public, max-age=86400
x-ms-version
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accept-ranges
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cf-ray
87106c71594f1c73-FRA
expires
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fa3d16bb6533dc46e7703fe9dfe74d97.json
d35aaqx5ub95lt.cloudfront.net/vendor/ 		0
16 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/vendor/fa3d16bb6533dc46e7703fe9dfe74d97.json
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/8786-c51a9753.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 01 Feb 2024 12:33:19 GMT
content-encoding
gzip
via
1.1 75964e4626dd702b8dac2690031df25a.cloudfront.net (CloudFront)
x-amz-cf-pop
MUC50-P2
age
5769281
x-amz-server-side-encryption
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x-cache
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content-length
16057
last-modified
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server
AmazonS3
etag
"8dbcdedc3a4f9186ec8662412869f37a"
access-control-max-age
3000
access-control-allow-methods
GET
content-type
application/json
access-control-allow-origin
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cache-control
max-age=315360000
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accept-ranges
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x-amz-cf-id
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fa3d16bb6533dc46e7703fe9dfe74d97.json
d35aaqx5ub95lt.cloudfront.net/vendor/ 		0
16 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/vendor/fa3d16bb6533dc46e7703fe9dfe74d97.json
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/8786-c51a9753.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 01 Feb 2024 12:33:19 GMT
content-encoding
gzip
via
1.1 75964e4626dd702b8dac2690031df25a.cloudfront.net (CloudFront)
x-amz-cf-pop
MUC50-P2
age
5769281
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-length
16057
last-modified
Wed, 31 Jan 2024 22:11:37 GMT
server
AmazonS3
etag
"8dbcdedc3a4f9186ec8662412869f37a"
access-control-max-age
3000
access-control-allow-methods
GET
content-type
application/json
access-control-allow-origin
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cache-control
max-age=315360000
access-control-allow-credentials
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vary
Origin
accept-ranges
bytes
x-amz-cf-id
dsuI4RsQycXwUcJMGXSriUJFuTNQfQ7pv_UVZL31IQxiEfrmAIAViw==
sdk.js
connect.facebook.net/en_US/ 		303 KB
87 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://connect.facebook.net/en_US/sdk.js?hash=36f13590c39623f45256999edcff044a
Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/en_US/sdk.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
157.240.252.13 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
xx-fbcdn-shv-01-fra3.fbcdn.net
Software
/
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
Origin
https://www.duolingo.com
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000; preload; includeSubDomains
content-encoding
gzip
x-content-type-options
nosniff
date
Mon, 08 Apr 2024 07:07:59 GMT
content-md5
8lOaBqPIWnOy7u2dcJjMqw==
document-policy
force-load-at-top
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
88692
reporting-endpoints
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x-fb-connection-quality
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x-fb-content-md5
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cross-origin-opener-policy
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etag
"329ee3721a231a216344235835398a07"
vary
Accept-Encoding
report-to
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content-type
application/x-javascript; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
X-FB-Content-MD5
cache-control
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permissions-policy
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x-frame-options
DENY
timing-allow-origin
*
priority
u=3,i
expires
Tue, 08 Apr 2025 06:48:36 GMT
otFlat.json
cdn.cookielaw.org/scripttemplates/6.16.0/assets/ 		12 KB
3 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://cdn.cookielaw.org/scripttemplates/6.16.0/assets/otFlat.json
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/8786-c51a9753.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6813:b234 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
eb1fa7363d6e4772f7c49d67f031d68f209e66de6c3c05aade6fdc57a02505c1
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-ms-blob-type
BlockBlob
date
Mon, 08 Apr 2024 07:07:59 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
DKM3/i+7h7Fs8cEMor3s2A==
age
47209
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
2938
x-ms-lease-status
unlocked
last-modified
Thu, 06 May 2021 19:30:47 GMT
server
cloudflare
etag
0x8D910C572DA86E8
vary
Accept-Encoding
content-type
application/json
access-control-allow-origin
*
x-ms-request-id
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access-control-expose-headers
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cache-control
max-age=86400
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
87106c71e9d11c73-FRA
batch
excess.duolingo.com/ Frame 		0
0 		Preflight
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.233.188.33 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-233-188-33.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://www.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Response headers

accept-encoding
gzip, identity
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods
POST, GET, OPTIONS
access-control-allow-origin
*
access-control-max-age
3600
allow
GET, HEAD, POST, TRACE, OPTIONS
content-length
0
date
Mon, 08 Apr 2024 07:07:59 GMT
server
Jetty(9.4.53.v20231009)
batch
excess.duolingo.com/ 		34 B
311 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/8786-c51a9753.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.233.188.33 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-233-188-33.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash
26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform
"Win32"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Content-type
application/json

Response headers

date
Mon, 08 Apr 2024 07:07:59 GMT
accept-encoding
gzip, identity
server
Jetty(9.4.53.v20231009)
access-control-max-age
3600
access-control-allow-methods
POST, GET, OPTIONS
content-type
text/plain;charset=iso-8859-1
access-control-allow-origin
*
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
content-length
34
status
www.facebook.com/x/oauth/ 		0
0 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.facebook.com/x/oauth/status?client_id=234536436609303&input_token&origin=1&redirect_uri=https%3A%2F%2Fwww.duolingo.com%2Flesson%3FisLoggingIn%3Dtrue&sdk=joey&wants_cookie_data=false
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/8786-c51a9753.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f176:181:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
/
Resource Hash
Security Headers
Name Value
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X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=15552000; preload
date
Mon, 08 Apr 2024 07:07:59 GMT
x-content-type-options
nosniff
document-policy
force-load-at-top
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
0
reporting-endpoints
coep_report="https://www.facebook.com/browser_reporting/coep/?minimize=0", default="https://www.facebook.com/ajax/browser_error_reports/?device_level=unknown", permissions_policy="https://www.facebook.com/ajax/browser_error_reports/"
x-fb-connection-quality
EXCELLENT; q=0.9, rtt=41, rtx=0, c=10, mss=1294, tbw=2776, tp=-1, tpl=-1, uplat=29, ullat=1
pragma
no-cache
x-fb-debug
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cross-origin-embedder-policy-report-only
require-corp;report-to="coep_report"
fb-s
unknown
report-to
{"max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/coep\/?minimize=0"}],"group":"coep_report"}, {"max_age":259200,"endpoints":[{"url":"https:\/\/www.facebook.com\/ajax\/browser_error_reports\/?device_level=unknown"}]}, {"max_age":21600,"endpoints":[{"url":"https:\/\/www.facebook.com\/ajax\/browser_error_reports\/"}],"group":"permissions_policy"}
content-type
text/plain; charset=UTF-8
access-control-allow-origin
https://www.duolingo.com
origin-agent-cluster
?0
access-control-expose-headers
fb-s
cache-control
private, no-cache, no-store, must-revalidate
access-control-allow-credentials
true
permissions-policy
accelerometer=(), attribution-reporting=(self), autoplay=(), bluetooth=(), camera=(self), ch-device-memory=(), ch-downlink=(), ch-ect=(), ch-rtt=(), ch-save-data=(), ch-ua-arch=(), ch-ua-bitness=(), clipboard-read=(self), clipboard-write=(self), display-capture=(self), encrypted-media=(self), fullscreen=(self), gamepad=*, geolocation=(self), gyroscope=(), hid=(), idle-detection=(), keyboard-map=(), local-fonts=(), magnetometer=(), microphone=(self), midi=(), otp-credentials=(), payment=(), picture-in-picture=(self), publickey-credentials-get=(self), screen-wake-lock=(), serial=(), usb=(), window-management=(), xr-spatial-tracking=(self);report-to="permissions_policy"
expires
Sat, 01 Jan 2000 00:00:00 GMT
style
accounts.google.com/gsi/ 		533 B
608 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://accounts.google.com/gsi/style
Requested by
Host: accounts.google.com
URL: https://accounts.google.com/gsi/client
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c09::54 Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
1c4e7e389d73c6acf7f19cc812514e71230740791fde8a018c1d7edccf1590ae
Security Headers
Name Value
Content-Security-Policy script-src 'report-sample' 'nonce-vOv1oNAbDoI8ELCW0bHnHA' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 08 Apr 2024 07:08:00 GMT
content-security-policy
script-src 'report-sample' 'nonce-vOv1oNAbDoI8ELCW0bHnHA' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
content-encoding
gzip
x-content-type-options
nosniff
server
ESF
x-frame-options
SAMEORIGIN
report-to
{"group":"coop_dd7de8473bddc59c6b748810a67a39b1","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/dd7de8473bddc59c6b748810a67a39b1"}]}
content-type
text/css; charset=utf-8
cache-control
private, max-age=86400
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
cross-origin-opener-policy-report-only
same-origin; report-to="coop_dd7de8473bddc59c6b748810a67a39b1"
expires
Mon, 08 Apr 2024 07:08:00 GMT
button
accounts.google.com/gsi/ Frame 96F1 		0
0 		Document
General
Check archive.org
Download Go to
Full URL
https://accounts.google.com/gsi/button?click_listener=async()%3D%3E%7Bvar%20e%2Ct%3Bconst%7Bdispatch%3Aa%2CmodalOptions%3A%7BallowLanguagelessUser%3As%2CisSignIn%3An%2ClimitRedirect%3Ar%2CredirectPath%3Ai%3DC.B6%2CtrackingProps%3Ao%2Cvia%3Al%7D%2Chistory%3Ac%7D%3Dthis.props%3Bthis.setState(%7Berrors%3A%7B%7D%2Csubmitting%3A!1%7D)%3Btry%7B(0%2C_.track)(n%3F%22sign_in_tap%22%3A%22registration_tap%22%2C%7Btarget%3A%22google%22%2Cvia%3Al%2C...o%7D)%3Bconst%20e%3Dawait(0%2Cbe.F)(%7BallowLanguagelessUser%3As%2CdisallowAutomaticRegister%3Athis.isCoppaRequired()%2Cdispatch%3Aa%2Chistory%3Ac%2ConLoginSuccess%3Athis.handleLoginSuccess%2CredirectPath%3Ai%2CsetSubmitting%3A()%3D%3Ethis.setState(%7Bsubmitting%3A%22google%22%7D)%2Cvia%3Al%7D)%3Bthis.handleGeneralSuccess(e%2Cr)%7Dcatch(a)%7Bthis.setState(%7Berrors%3A%7Bsocial%3A!(0%2CP.Hx)(a)%7C%7C401!%3D%3D(null%3D%3D%3D(e%3Da.response)%7C%7Cvoid%200%3D%3D%3De%3Fvoid%200%3Ae.status)%26%26403!%3D%3D(null%3D%3D%3D(t%3Da.response)%7C%7Cvoid%200%3D%3D%3Dt%3Fvoid%200%3At.status)%3F(0%2CQ.H8)(19737)%3A(0%2CQ.H8)(24701)%7D%2Csubmitting%3A!1%2CuseImprovedErrorMessages%3A!0%7D)%2Cn%7C%7Cthis.handleRegisterFailure(%22google%22)%7D%7D&width=176&client_id=450298686065.apps.googleusercontent.com&iframe_id=gsi_80116_646&as=fN%2F%2B2pIBnH2jhJ8XUCTcxA
Requested by
Host: accounts.google.com
URL: https://accounts.google.com/gsi/client
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c09::54 Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
Security Headers
Name Value
Content-Security-Policy require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http script-src 'report-sample' 'nonce-JmkwlcQNhJTWZ98NinoJSA' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.duolingo.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
accept-language
de-DE,de;q=0.9
sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control
no-cache, no-store, max-age=0, must-revalidate
content-encoding
gzip
content-security-policy
require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http script-src 'report-sample' 'nonce-JmkwlcQNhJTWZ98NinoJSA' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
content-type
text/html; charset=utf-8
cross-origin-embedder-policy
require-corp
cross-origin-opener-policy-report-only
same-origin; report-to="coop_dd7de8473bddc59c6b748810a67a39b1"
cross-origin-resource-policy
same-site
date
Mon, 08 Apr 2024 07:08:00 GMT
expires
Mon, 01 Jan 1990 00:00:00 GMT
pragma
no-cache
report-to
{"group":"coop_dd7de8473bddc59c6b748810a67a39b1","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/dd7de8473bddc59c6b748810a67a39b1"}]}
server
ESF
vary
Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site
x-content-type-options
nosniff
x-xss-protection
0
favicon.ico
d35aaqx5ub95lt.cloudfront.net/ 		15 KB
4 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:2600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
587ed3e3a94f04264f02bf6e21798c8ca32de7b7f22d30cfc667224741c4a3c2

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 07 Jan 2024 11:46:57 GMT
content-encoding
gzip
via
1.1 cb64e02e44588dfd13b2a4b2483c404c.cloudfront.net (CloudFront)
last-modified
Fri, 05 Jan 2024 20:56:28 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
age
7932064
etag
"80b0487df87a85d16882eb991ce89431"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
image/vnd.microsoft.icon
cache-control
max-age=315360000
accept-ranges
bytes
content-length
3407
x-amz-cf-id
WC4dDoQVC1xWkmO_O-IaKBtCa2aMpbE34UwIntwCLs8T5qz5NxfOFQ==

Verdicts & Comments Add Verdict or Comment

53 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| 0 object| 1 object| 2 object| OneTrustStub function| OptanonWrapper object| duo object| webpackChunk boolean| supportsAbortController boolean| supportsElementAnimate boolean| supportsES2015 boolean| supportsEs2019 boolean| supportsIntersectionObserver boolean| supportsWebAssembly boolean| supportsResizeObserver object| features boolean| isAbc object| HIDE_APP_SMART_BANNER_PATH undefined| el object| ___grecaptcha_cfg object| grecaptcha string| __recaptcha_api boolean| __google_recaptcha_client number| __NUMBER_OF_JOTAI_INSTANCES__ function| _fs_ready object| dataLayer function| _ function| _rollbarURH function| ga object| gaDevIds object| gaplugins function| HowlerGlobal object| Howler function| Howl function| Sound object| __SENTRY__ string| OnetrustActiveGroups string| OptanonActiveGroups object| otStubData function| onGoogleLibraryLoad object| recaptcha object| closure_lm_623018 function| fbAsyncInit object| google_tag_manager object| google_tag_data object| FB object| default_gsi object| _F_toggles object| google object| closure_lm_374452 object| Optanon object| OneTrust object| __buffer object| __G_ID_CLIENT__

10 Cookies

Domain/Path Name / Value
.duolingo.com/ Name: logged_out_uuid
Value: 1d4a9d87-dd32-4c19-9eb7-68daf695fc64
.duolingo.com/ Name: lang
Value: de
www.duolingo.com/ Name: wuuid
Value: 9b1f5a52-b15c-42d2-80fe-09dae0635b45
.duolingo.com/ Name: tsl
Value: 1712560079183
.duolingo.com/ Name: lu
Value: https://www.duolingo.com/lesson
.duolingo.com/ Name: initial_referrer
Value: $direct
.duolingo.com/ Name: lr
Value:
.duolingo.com/ Name: OptanonConsent
Value: isGpcEnabled=0&datestamp=Mon+Apr+08+2024+09%3A07%3A59+GMT%2B0200+(Central+European+Summer+Time)&version=6.16.0&isIABGlobal=false&consentId=c4a1b163-242c-40ef-948d-33dc962cdee2&interactionCount=0&landingPath=https%3A%2F%2Fwww.duolingo.com%2Flesson%3FisLoggingIn%3Dtrue&groups=C0001%3A1%2CC0002%3A0%2CC0003%3A0%2CC0004%3A0&hosts=H3%3A1%2CH14%3A1%2CH11%3A0%2CH1%3A0%2CH15%3A0%2CH6%3A0%2CH22%3A0%2CH2%3A0%2CH26%3A0%2CH7%3A0%2CH16%3A0%2CH9%3A0%2CH28%3A0%2CH18%3A0%2CH10%3A0%2CH12%3A0%2CH13%3A0
www.duolingo.com/ Name: AWSALB
Value: IJYRtLPipV3Xx7w5+nv0BvziaPOOAUq+G0UIULEzU4gbzx9UDoFkUNkHuYNfmiP7tmK6fKXK7yjm3T8f1qsnJE75rl2IrEcZQ8V5elvbLISyP7jeccnBI8J44xdJ
www.duolingo.com/ Name: AWSALBCORS
Value: IJYRtLPipV3Xx7w5+nv0BvziaPOOAUq+G0UIULEzU4gbzx9UDoFkUNkHuYNfmiP7tmK6fKXK7yjm3T8f1qsnJE75rl2IrEcZQ8V5elvbLISyP7jeccnBI8J44xdJ

3 Console Messages

Source Level URL
Text
other warning URL: https://d35aaqx5ub95lt.cloudfront.net/js/8786-c51a9753.js(Line 1)
Message:
The AudioContext was not allowed to start. It must be resumed (or created) after a user gesture on the page. https://goo.gl/7K7WLu
network error URL: https://brb.duolingo.com/0/web.json?user=0&ts=1712560079&tzoffset=2
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://zombie.duolingo.com/0/web.json?user=0&ts=1712560079&tzoffset=2
Message:
Failed to load resource: the server responded with a status of 404 ()

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
X-Frame-Options SAMEORIGIN

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

accounts.google.com
brb.duolingo.com
cdn.cookielaw.org
connect.facebook.net
d35aaqx5ub95lt.cloudfront.net
excess.duolingo.com
geolocation.onetrust.com
www.duolingo.com
www.facebook.com
www.googletagmanager.com
www.gstatic.com
www.recaptcha.net
zombie.duolingo.com
108.138.36.17
108.138.36.18
157.240.252.13
2600:9000:237d:2600:7:60cd:e840:21
2606:4700:4400::ac40:9b77
2606:4700::6813:b234
2a00:1450:4001:806::2003
2a00:1450:4001:80f::2003
2a00:1450:4001:81d::2008
2a00:1450:400c:c09::54
2a03:2880:f084:d:face:b00c:0:3
2a03:2880:f176:181:face:b00c:0:25de
3.233.188.33
52.204.108.20
01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
0229573b6d7d86728902b428b1aac53f8dda680e1741d4cc921ac640b34ec9aa
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074c3b2ffefa23d98ba2fb11a795c59f8c63cd17ba5c93d4065e0b7d190d4a14
0bed8c70aa90897e0b1acca7cbabdd17ad3b7cdffe23c4b24df339ca7deed632
13c357cda0239f3b38443299095edef78d934ef5c5abcd5b710e95ec8ad2ac81
1590dcfc80a427a27d1e1a422479a6773d4c16816c542899782d4a86d4ffcde3
163f0430d9cd1c9e6b95591b4f4518002c35497126caf213b4048fb7c7fb1a03
1c4e7e389d73c6acf7f19cc812514e71230740791fde8a018c1d7edccf1590ae
1e0cdb014a4f7fcbbe81c70c46a7e0e4d8599dcc359b0788c55875eaed86fb50
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26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615
28c3618260d20db97252e507f307de69ce020049b175f1e93f3666174c69570a
28cfe12e19f4cc9734921fa8df1d8694344f4eea7591e20e2a8ccfa91b0d2e12
2b1217dce713e1b220ee5a25e0ef2af04b79842d21762e54d214ea617258d894
2b8ad270a50346df53db06d13ff88e862aab5b41c5c407550933ec0a04facb73
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