Submitted URL: http://duolingo.com/
Effective URL: https://www.duolingo.com/
Submission: On July 28 via manual from BR — Scanned from DE

Summary

This website contacted 17 IPs in 3 countries across 13 domains to perform 83 HTTP transactions. The main IP is 44.198.251.53, 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 39112.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on November 20th 2022. 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

Apex Domain
Subdomains
Transfer
38 cloudfront.net
d35aaqx5ub95lt.cloudfront.net
686 KB
22 duolingo.com
duolingo.com — Cisco Umbrella Rank: 8460
www.duolingo.com — Cisco Umbrella Rank: 39112
excess.duolingo.com — Cisco Umbrella Rank: 14277
brb.duolingo.com — Cisco Umbrella Rank: 12359
zombie.duolingo.com — Cisco Umbrella Rank: 16566
14 KB
6 gstatic.com
www.gstatic.com
fonts.gstatic.com
409 KB
5 cookielaw.org
cdn.cookielaw.org — Cisco Umbrella Rank: 360
118 KB
3 google.com
accounts.google.com — Cisco Umbrella Rank: 62
www.google.com — Cisco Umbrella Rank: 3
78 KB
3 recaptcha.net
www.recaptcha.net — Cisco Umbrella Rank: 1830
29 KB
2 adalyser.com
c0.adalyser.com — Cisco Umbrella Rank: 43229
11 KB
2 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 73
172 KB
1 google.de
www.google.de — Cisco Umbrella Rank: 5772
455 B
1 doubleclick.net
googleads.g.doubleclick.net — Cisco Umbrella Rank: 55
1 KB
1 google-analytics.com
region1.google-analytics.com — Cisco Umbrella Rank: 1914
255 B
1 googleadservices.com
www.googleadservices.com — Cisco Umbrella Rank: 163
2 KB
1 onetrust.com
geolocation.onetrust.com — Cisco Umbrella Rank: 634
304 B
83 13
Domain Requested by
38 d35aaqx5ub95lt.cloudfront.net www.duolingo.com
d35aaqx5ub95lt.cloudfront.net
16 excess.duolingo.com d35aaqx5ub95lt.cloudfront.net
5 cdn.cookielaw.org www.duolingo.com
cdn.cookielaw.org
d35aaqx5ub95lt.cloudfront.net
4 www.gstatic.com www.recaptcha.net
www.gstatic.com
3 www.recaptcha.net www.duolingo.com
www.gstatic.com
www.recaptcha.net
3 www.duolingo.com d35aaqx5ub95lt.cloudfront.net
2 fonts.gstatic.com www.recaptcha.net
2 c0.adalyser.com www.duolingo.com
2 accounts.google.com d35aaqx5ub95lt.cloudfront.net
accounts.google.com
2 www.googletagmanager.com d35aaqx5ub95lt.cloudfront.net
www.googletagmanager.com
1 www.google.de www.duolingo.com
1 www.google.com 1 redirects
1 googleads.g.doubleclick.net 1 redirects
1 region1.google-analytics.com www.googletagmanager.com
1 www.googleadservices.com www.googletagmanager.com
1 zombie.duolingo.com d35aaqx5ub95lt.cloudfront.net
1 brb.duolingo.com d35aaqx5ub95lt.cloudfront.net
1 geolocation.onetrust.com cdn.cookielaw.org
1 duolingo.com 1 redirects
83 19
Subject Issuer Validity Valid
*.duolingo.com
Go Daddy Secure Certificate Authority - G2
2022-11-20 -
2023-12-22
a year crt.sh
cookielaw.org
Cloudflare Inc ECC CA-3
2023-04-01 -
2024-03-31
a year crt.sh
misc.google.com
GTS CA 1C3
2023-07-10 -
2023-10-02
3 months crt.sh
*.cloudfront.net
Amazon RSA 2048 M01
2022-12-08 -
2023-12-07
a year crt.sh
*.gstatic.com
GTS CA 1C3
2023-07-10 -
2023-10-02
3 months crt.sh
onetrust.com
Cloudflare Inc ECC CA-3
2022-12-13 -
2023-12-13
a year crt.sh
*.google-analytics.com
GTS CA 1C3
2023-07-10 -
2023-10-02
3 months crt.sh
accounts.google.com
GTS CA 1C3
2023-07-10 -
2023-10-02
3 months crt.sh
www.googleadservices.com
GTS CA 1C3
2023-07-10 -
2023-10-02
3 months crt.sh
*.adalyser.com
Thawte TLS RSA CA G1
2023-06-13 -
2024-07-13
a year crt.sh

This page contains 2 frames:

Primary Page: https://www.duolingo.com/
Frame ID: 9B946A0007B9069D790472918C44DAAF
Requests: 69 HTTP requests in this frame

Frame: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY29tOjQ0Mw..&hl=de&v=pCoGBhjs9s8EhFOHJFe8cqis&size=invisible&cb=xg4ebi9zn2uc
Frame ID: 9304C75340395209BDA11E7FC4342640
Requests: 7 HTTP requests in this frame

Screenshot

Page Title

Duolingo - Die weltbeste Methode, eine Sprache zu lernenbadge-app-storebadge-app-store

Page URL History Show full URLs

  1. http://duolingo.com/ HTTP 301
    https://www.duolingo.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • accounts\.google\.com/gsi/client

Overall confidence: 100%
Detected patterns
  • <[^>]+data-react

Overall confidence: 100%
Detected patterns

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js

Overall confidence: 100%
Detected patterns
  • cdn\.cookielaw\.org
  • otSDKStub\.js

Page Statistics

83
Requests

99 %
HTTPS

63 %
IPv6

13
Domains

19
Subdomains

17
IPs

3
Countries

1518 kB
Transfer

4339 kB
Size

19
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://duolingo.com/ HTTP 301
    https://www.duolingo.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 80
  • https://googleads.g.doubleclick.net/pagead/viewthroughconversion/397119219/?random=2118417257&cv=11&fst=1690545348187&bg=ffffff&guid=ON&async=1&gtm=45He37q0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.duolingo.com%2F&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&tiba=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&value=1&auid=1860983058.1690545348&uamb=0&uaw=0&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&ocp_id=xKzDZPvvEImliQad5oHACw&sscte=1&crd=&eitems=ChAI8M6NpgYQhtSajtbr2LBDEh0AKxyM07qAh3KJJi5_5JnmBuFiNUe4FXHUoE7cqg&pscrd=Ek5DaEFJOE02TnBnWVE0TkNPNnI3QXNlWTlFaVlBT2NpZjVXeGN4OFdmTVZvZkNiRVg1bksyU25fMHFVSjVrcE9VcmdFcy1Wc3VfRFNQUGcaWENoQUk4TTZOcGdZUXZkNkNqYUxDaWJaekVpNEFOSl9BMk9LQ2czWFZuU1AzR1V6MzlwaXJ3TUJKX2dwd1R6YzRSV043aGF6emFiYTJYUlltVGdfMkx1NUYiEwj74deXrLGAAxWJUsIKHR1zALg HTTP 302
  • https://www.google.com/pagead/1p-conversion/397119219/?random=2118417257&cv=11&fst=1690545348187&bg=ffffff&guid=ON&async=1&gtm=45He37q0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.duolingo.com%2F&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&tiba=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&value=1&auid=1860983058.1690545348&uamb=0&uaw=0&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&pscrd=Ek5DaEFJOE02TnBnWVE0TkNPNnI3QXNlWTlFaVlBT2NpZjVXeGN4OFdmTVZvZkNiRVg1bksyU25fMHFVSjVrcE9VcmdFcy1Wc3VfRFNQUGcaWENoQUk4TTZOcGdZUXZkNkNqYUxDaWJaekVpNEFOSl9BMk9LQ2czWFZuU1AzR1V6MzlwaXJ3TUJKX2dwd1R6YzRSV043aGF6emFiYTJYUlltVGdfMkx1NUYiEwj74deXrLGAAxWJUsIKHR1zALg&is_vtc=1&ocp_id=xKzDZPvvEImliQad5oHACw&eitems=ChAI8M6NpgYQhtSajtbr2LBDEh0AKxyM0_hd-N6B6LXdzLm74musoGIFqt95szcK8A&random=1988280836 HTTP 302
  • https://www.google.de/pagead/1p-conversion/397119219/?random=2118417257&cv=11&fst=1690545348187&bg=ffffff&guid=ON&async=1&gtm=45He37q0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.duolingo.com%2F&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&tiba=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&value=1&auid=1860983058.1690545348&uamb=0&uaw=0&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&pscrd=Ek5DaEFJOE02TnBnWVE0TkNPNnI3QXNlWTlFaVlBT2NpZjVXeGN4OFdmTVZvZkNiRVg1bksyU25fMHFVSjVrcE9VcmdFcy1Wc3VfRFNQUGcaWENoQUk4TTZOcGdZUXZkNkNqYUxDaWJaekVpNEFOSl9BMk9LQ2czWFZuU1AzR1V6MzlwaXJ3TUJKX2dwd1R6YzRSV043aGF6emFiYTJYUlltVGdfMkx1NUYiEwj74deXrLGAAxWJUsIKHR1zALg&is_vtc=1&ocp_id=xKzDZPvvEImliQad5oHACw&eitems=ChAI8M6NpgYQhtSajtbr2LBDEh0AKxyM0_hd-N6B6LXdzLm74musoGIFqt95szcK8A&random=1988280836&ipr=y

83 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
www.duolingo.com/
Redirect Chain
  • http://duolingo.com/
  • https://www.duolingo.com/
10 KB
4 KB
Document
General
Full URL
https://www.duolingo.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
44.198.251.53 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-44-198-251-53.compute-1.amazonaws.com
Software
duo-api /
Resource Hash
8c978cc496847a84907e0215ef38e5b9b0f8a480f0c8a850fdd2a408934c696a
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/115.0.5790.110 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

cache-control
no-store, no-cache, must-revalidate, proxy-revalidate
content-encoding
gzip
content-type
text/html; charset=UTF-8
date
Fri, 28 Jul 2023 11:55:47 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
40
x-frame-options
SAMEORIGIN
x-runtime
0.03859
x-tid
ffff7d5b64c3abc9033c
x-ws
UK

Redirect headers

Connection
keep-alive
Content-Length
193
Content-Type
text/html
Date
Fri, 28 Jul 2023 11:55:47 GMT
Location
https://www.duolingo.com
Server
nginx/1.4.6 (Ubuntu)
otSDKStub.js
cdn.cookielaw.org/scripttemplates/
21 KB
7 KB
Script
General
Full URL
https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:aa72 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b836876c6014c346a749c23f680845562679daf29c640c99a3d92797a6244b4d
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Fri, 28 Jul 2023 11:55:47 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
DflSFdkyRucOaDW0H1U81w==
age
70409
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
6821
x-ms-lease-status
unlocked
last-modified
Tue, 25 Jul 2023 02:40:34 GMT
server
cloudflare
etag
0x8DB8CB88585B8EE
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
f572be86-701e-015d-3230-bf6eb7000000
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
7edcef66dfd6923e-FRA
enterprise.js
www.recaptcha.net/recaptcha/
977 B
930 B
Script
General
Full URL
https://www.recaptcha.net/recaptcha/enterprise.js?render=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:828::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
GSE /
Resource Hash
b65661af0afdd5a541f7aaf31ca5ded928670c3b49d7bbaf828bccea5bd24a3f
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

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36

Response headers

date
Fri, 28 Jul 2023 11:55:47 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
content-length
611
x-xss-protection
1; mode=block
expires
Fri, 28 Jul 2023 11:55:47 GMT
manifest-0b130640.js
d35aaqx5ub95lt.cloudfront.net/js/
11 KB
6 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/manifest-0b130640.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:1c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
251f98b669655ac5d3f62a3d5dcacbf63934479683568e7d8b9b6cbe5231daea

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36

Response headers

date
Thu, 20 Jul 2023 19:26:23 GMT
content-encoding
gzip
via
1.1 ec9e3bc729d9c6d55ed32446408ad62e.cloudfront.net (CloudFront)
last-modified
Thu, 20 Jul 2023 19:03:37 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
664165
etag
"7122d8e3bf42fee5b2e2976b1f4b2007"
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
5843
x-amz-cf-id
WnIfFtl07P_t-txrmARl3TELUJv4gm4TpdjKXFnzJbwMmwFDEOFBXw==
features-788794a2.js
d35aaqx5ub95lt.cloudfront.net/js/
4 KB
2 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/features-788794a2.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:1c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
846ba519c7004790e2c87e417051f57e68b09ac7f0c9c25405854abeac5eafbf

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36

Response headers

date
Sun, 16 Jul 2023 18:08:05 GMT
content-encoding
gzip
via
1.1 ec9e3bc729d9c6d55ed32446408ad62e.cloudfront.net (CloudFront)
last-modified
Fri, 14 Jul 2023 21:37:29 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
1014463
etag
"b0cb8360af944ab9f8698b4b95b01523"
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
1401
x-amz-cf-id
-3GQ_0TOgyJTEhl7zEJ7sWKL9uoSoc6CY57wqHhyK3VubpINM4HgqQ==
3954-3a417275.js
d35aaqx5ub95lt.cloudfront.net/js/
30 KB
12 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/3954-3a417275.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:1c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
e8717b0698cfb994ef33a036bcd537bbcfc42a0e809ef538709b3e7c1004e66c

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36

Response headers

date
Wed, 28 Jun 2023 19:58:18 GMT
content-encoding
gzip
via
1.1 ec9e3bc729d9c6d55ed32446408ad62e.cloudfront.net (CloudFront)
last-modified
Wed, 28 Jun 2023 19:41:10 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
2563050
etag
"9f7162330d7fb2b409f97719e40429dc"
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
11443
x-amz-cf-id
vS7hOCXn89WRIlPlL9DiBDt72UwlNBWmjZFJE0SzkI1d5x3F7RncIA==
polyfills-1a981aad.js
d35aaqx5ub95lt.cloudfront.net/js/
415 B
647 B
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/polyfills-1a981aad.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:1c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
bc4d31f90e626c9f6194e20a2652365b9d247ff2826311714a6c228c14ea569f

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36

Response headers

date
Mon, 10 Jul 2023 19:16:36 GMT
content-encoding
gzip
via
1.1 ec9e3bc729d9c6d55ed32446408ad62e.cloudfront.net (CloudFront)
last-modified
Fri, 07 Jul 2023 16:29:27 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
1528752
etag
"39021882b21dd2d2d431839267ce281e"
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
252
x-amz-cf-id
ajF9bYA2vYCIYVM1kKJnC9xz-jB80L-H-ccLlSMaYzRyTPRHoLbx-w==
2867-dcda34fb.js
d35aaqx5ub95lt.cloudfront.net/js/
321 KB
103 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/2867-dcda34fb.js
Requested by
Host: www.duolingo.com
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content-encoding
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content-encoding
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content-encoding
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content-encoding
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content-encoding
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Request headers

Referer
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User-Agent
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Response headers

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H2
Security
TLS 1.3, , AES_128_GCM
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Request headers

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Response headers

date
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strict-transport-security
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Request headers

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Response headers

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H2
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Request headers

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cors
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Response headers

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server
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batch
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Full URL
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Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.201.240.243 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software
Jetty(9.2.z-SNAPSHOT) /
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Software
Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

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Software
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Request headers

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Request headers

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content-encoding
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content-encoding
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accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36
Content-type
application/json

Response headers

date
Fri, 28 Jul 2023 11:55:48 GMT
accept-encoding
gzip, identity
server
Jetty(9.2.z-SNAPSHOT)
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
batch
excess.duolingo.com/
34 B
312 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/7416-19dac2d9.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.201.240.243 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-201-240-243.compute-1.amazonaws.com
Software
Jetty(9.2.z-SNAPSHOT) /
Resource Hash
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Request headers

Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36
Content-type
application/json

Response headers

date
Fri, 28 Jul 2023 11:55:48 GMT
accept-encoding
gzip, identity
server
Jetty(9.2.z-SNAPSHOT)
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
batch
excess.duolingo.com/
34 B
312 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/7416-19dac2d9.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.201.240.243 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-201-240-243.compute-1.amazonaws.com
Software
Jetty(9.2.z-SNAPSHOT) /
Resource Hash
26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36
Content-type
application/json

Response headers

date
Fri, 28 Jul 2023 11:55:48 GMT
accept-encoding
gzip, identity
server
Jetty(9.2.z-SNAPSHOT)
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
batch
excess.duolingo.com/
34 B
312 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/7416-19dac2d9.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.201.240.243 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-201-240-243.compute-1.amazonaws.com
Software
Jetty(9.2.z-SNAPSHOT) /
Resource Hash
26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36
Content-type
application/json

Response headers

date
Fri, 28 Jul 2023 11:55:48 GMT
accept-encoding
gzip, identity
server
Jetty(9.2.z-SNAPSHOT)
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
batch
excess.duolingo.com/
34 B
312 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/7416-19dac2d9.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.201.240.243 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-201-240-243.compute-1.amazonaws.com
Software
Jetty(9.2.z-SNAPSHOT) /
Resource Hash
26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36
Content-type
application/json

Response headers

date
Fri, 28 Jul 2023 11:55:48 GMT
accept-encoding
gzip, identity
server
Jetty(9.2.z-SNAPSHOT)
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
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otBannerSdk.js
cdn.cookielaw.org/scripttemplates/6.16.0/
374 KB
83 KB
Script
General
Full URL
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::6812:aa72 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
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

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Fri, 28 Jul 2023 11:55:48 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
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age
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strict-transport-security
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content-length
85065
x-ms-lease-status
unlocked
last-modified
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server
cloudflare
etag
0x8D910C57D52F14C
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
60dab1df-d01e-005f-07e1-5a2a18000000
access-control-expose-headers
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cache-control
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x-ms-version
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accept-ranges
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cf-ray
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anchor
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28 KB
Document
General
Full URL
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Requested by
Host: www.gstatic.com
URL: https://www.gstatic.com/recaptcha/releases/pCoGBhjs9s8EhFOHJFe8cqis/recaptcha__de.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:828::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
GSE /
Resource Hash
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Security Headers
Name Value
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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/115.0.5790.110 Safari/537.36
accept-language
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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-length
28145
content-security-policy
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content-type
text/html; charset=utf-8
cross-origin-embedder-policy
require-corp
cross-origin-resource-policy
cross-origin
date
Fri, 28 Jul 2023 11:55:48 GMT
expires
Mon, 01 Jan 1990 00:00:00 GMT
pragma
no-cache
report-to
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server
GSE
x-content-type-options
nosniff
x-xss-protection
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de.json
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101 KB
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General
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/7416-19dac2d9.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:aa72 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
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

accept-language
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Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Fri, 28 Jul 2023 11:55:48 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
strict-transport-security
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age
40207
content-md5
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content-length
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x-ms-lease-status
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last-modified
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server
cloudflare
etag
0x8DB57DE4E50B5BE
vary
Accept-Encoding
content-type
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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
7edcef6a18622c79-FRA
expires
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styles__ltr.css
www.gstatic.com/recaptcha/releases/pCoGBhjs9s8EhFOHJFe8cqis/ Frame 9304
55 KB
24 KB
Stylesheet
General
Full URL
https://www.gstatic.com/recaptcha/releases/pCoGBhjs9s8EhFOHJFe8cqis/styles__ltr.css
Requested by
Host: www.recaptcha.net
URL: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY29tOjQ0Mw..&hl=de&v=pCoGBhjs9s8EhFOHJFe8cqis&size=invisible&cb=xg4ebi9zn2uc
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:801::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.recaptcha.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36

Response headers

date
Thu, 27 Jul 2023 22:49:14 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
47194
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
24605
x-xss-protection
0
last-modified
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server
sffe
cross-origin-opener-policy
same-origin-allow-popups; report-to="recaptcha"
vary
Accept-Encoding
report-to
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content-type
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cache-control
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accept-ranges
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expires
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436 KB
175 KB
Script
General
Full URL
https://www.gstatic.com/recaptcha/releases/pCoGBhjs9s8EhFOHJFe8cqis/recaptcha__de.js
Requested by
Host: www.recaptcha.net
URL: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY29tOjQ0Mw..&hl=de&v=pCoGBhjs9s8EhFOHJFe8cqis&size=invisible&cb=xg4ebi9zn2uc
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:801::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
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Software
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Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.recaptcha.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36

Response headers

date
Fri, 28 Jul 2023 09:38:48 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
8220
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
179643
x-xss-protection
0
last-modified
Mon, 24 Jul 2023 04:01:30 GMT
server
sffe
cross-origin-opener-policy
same-origin-allow-popups; report-to="recaptcha"
vary
Accept-Encoding
report-to
{"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
content-type
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access-control-allow-origin
*
cache-control
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accept-ranges
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expires
Sat, 27 Jul 2024 09:38:48 GMT
/
www.googleadservices.com/pagead/conversion/397119219/
3 KB
2 KB
Script
General
Full URL
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Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-TX6Z97C
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.250.185.66 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
fra16s48-in-f2.1e100.net
Software
cafe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36

Response headers

pragma
no-cache
date
Fri, 28 Jul 2023 11:55:48 GMT
content-encoding
br
x-content-type-options
nosniff
server
cafe
content-type
text/javascript; charset=UTF-8
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, must-revalidate
cross-origin-resource-policy
cross-origin
content-disposition
attachment; filename="f.txt"
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
1652
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
adalyser.js
c0.adalyser.com/
30 KB
10 KB
Script
General
Full URL
https://c0.adalyser.com/adalyser.js?cid=duolingo
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
18.200.202.80 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-18-200-202-80.eu-west-1.compute.amazonaws.com
Software
/ Express
Resource Hash
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36

Response headers

date
Fri, 28 Jul 2023 11:55:48 GMT
content-encoding
gzip
x-powered-by
Express
etag
"30db023d137232c5464683be0e79aa99d5e6b0c7"
p3p
CP="ADMa OUR IND DSP NON COR"
access-control-allow-origin
*
content-type
application/javascript
cache-control
public, max-age=21600
access-control-allow-credentials
true
access-control-allow-headers
origin, content-type, accept
content-length
10221
js
www.googletagmanager.com/gtag/
244 KB
83 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/js?id=G-CSFDVCPQ4F&l=dataLayer&cx=c
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-TX6Z97C
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:813::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
b1b4c3a8dd410de0010ba150aaa1fcdc1948e714c43ec6264bda14389db301f2
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36

Response headers

date
Fri, 28 Jul 2023 11:55:48 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
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alt-svc
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Full URL
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Requested by
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H2
Security
TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
Software
cloudflare /
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Security Headers
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Request headers

accept-language
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Referer
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User-Agent
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Response headers

x-ms-blob-type
BlockBlob
date
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content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
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strict-transport-security
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last-modified
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server
cloudflare
etag
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vary
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content-type
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H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
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Reverse DNS
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Software
Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
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Sec-Fetch-Mode
cors
User-Agent
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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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server
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Requested by
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Protocol
H2
Security
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Request headers

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accept-language
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User-Agent
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Content-type
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Response headers

date
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accept-encoding
gzip, identity
server
Jetty(9.2.z-SNAPSHOT)
access-control-max-age
3600
access-control-allow-methods
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Requested by
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URL: https://www.googletagmanager.com/gtag/js?id=G-CSFDVCPQ4F&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:34::36 , United States, ASN15169 (GOOGLE, US),
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Software
Golfe2 /
Resource Hash
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Request headers

accept-language
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Referer
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User-Agent
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Response headers

pragma
no-cache
date
Fri, 28 Jul 2023 11:55:48 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.duolingo.com
cache-control
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access-control-allow-credentials
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cross-origin-resource-policy
cross-origin
alt-svc
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content-length
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expires
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logo_48.png
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General
Full URL
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Requested by
Host: www.gstatic.com
URL: https://www.gstatic.com/recaptcha/releases/pCoGBhjs9s8EhFOHJFe8cqis/styles__ltr.css
Protocol
H3
Security
QUIC, , AES_128_GCM
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Software
sffe /
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accept-language
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User-Agent
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Response headers

date
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x-content-type-options
nosniff
age
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content-security-policy-report-only
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cross-origin
alt-svc
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x-xss-protection
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server
sffe
cross-origin-opener-policy
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report-to
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content-type
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H2
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TLS 1.3, , AES_128_GCM
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sffe /
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Name Value
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Request headers

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accept-language
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User-Agent
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Response headers

date
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x-content-type-options
nosniff
age
114050
content-security-policy-report-only
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cross-origin
alt-svc
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last-modified
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server
sffe
cross-origin-opener-policy
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report-to
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content-type
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access-control-allow-origin
*
cache-control
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accept-ranges
bytes
timing-allow-origin
*
expires
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General
Full URL
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Requested by
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URL: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY29tOjQ0Mw..&hl=de&v=pCoGBhjs9s8EhFOHJFe8cqis&size=invisible&cb=xg4ebi9zn2uc
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80f::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
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sffe /
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Security Headers
Name Value
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Request headers

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accept-language
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User-Agent
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Response headers

date
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x-content-type-options
nosniff
age
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content-security-policy-report-only
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cross-origin
alt-svc
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content-length
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x-xss-protection
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last-modified
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server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
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cache-control
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*
expires
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H3
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QUIC, , AES_128_GCM
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Name Value
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Request headers

accept-language
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User-Agent
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Response headers

date
Fri, 28 Jul 2023 11:55:48 GMT
content-encoding
gzip
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
server
GSE
cross-origin-embedder-policy
require-corp
x-frame-options
SAMEORIGIN
report-to
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content-type
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cache-control
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alt-svc
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content-length
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x-xss-protection
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expires
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/
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42 B
455 B
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General
Full URL
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Server
2a00:1450:4001:81c::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
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Referer
https://www.duolingo.com/
User-Agent
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Response headers

pragma
no-cache
date
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content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
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cache-control
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cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

pragma
no-cache
date
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content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
p3p
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location
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content-type
image/gif
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
p
c0.adalyser.com/tracking/track/v3/
43 B
341 B
Image
General
Full URL
https://c0.adalyser.com/tracking/track/v3/p?stm=1690545348404&e=lce1&url=https%3A%2F%2Fwww.duolingo.com%2F&cid=duolingo&p=%7B%22et%22%3A1690545348402%2C%22nr%22%3A%22New%22%2C%22cg%22%3A%22Direct%22%2C%22dt%22%3A%22desktop%22%2C%22so%22%3A%22direct%22%2C%22me%22%3A%22none%22%2C%22ca%22%3A%22direct%22%2C%22co%22%3A%22(not%20set)%22%2C%22ke%22%3A%22(not%20set)%22%2C%22vid%22%3A%221%22%2C%22sid%22%3A%22541b659f-3ff8-4ea1-8446-4114da22e74f%22%2C%22duid%22%3A%2256a5e66c-d20d-4e56-962a-678141f30dd9%22%2C%22cw%22%3A1690545348402%7D&userAgent=Mozilla%2F5.0%20(Windows%20NT%2010.0%3B%20Win64%3B%20x64)%20AppleWebKit%2F537.36%20(KHTML%2C%20like%20Gecko)%20Chrome%2F115.0.5790.110%20Safari%2F537.36&domain=www.duolingo.com
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
18.200.202.80 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-18-200-202-80.eu-west-1.compute.amazonaws.com
Software
/ Express
Resource Hash
a065920df8cc4016d67c3a464be90099c9d28ffe7c9e6ee3a18f257efc58cbd7

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36

Response headers

pragma
no-cache
date
Fri, 28 Jul 2023 11:55:48 GMT
x-powered-by
Express
etag
W/"2b-B//0C13UlayirE4cP7xgqg"
p3p
CP="ADMa OUR IND DSP NON COR"
access-control-allow-origin
*
content-type
image/gif
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
access-control-allow-headers
origin, content-type, accept
content-length
43
expires
0
style
accounts.google.com/gsi/
533 B
585 B
Stylesheet
General
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
2a00:1450:4001:813::200d Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
1c4e7e389d73c6acf7f19cc812514e71230740791fde8a018c1d7edccf1590ae
Security Headers
Name Value
Content-Security-Policy script-src 'report-sample' 'nonce-0pRpl9BpyqVDgidT_FNC-A' '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

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.110 Safari/537.36

Response headers

date
Fri, 28 Jul 2023 11:55:48 GMT
content-security-policy
script-src 'report-sample' 'nonce-0pRpl9BpyqVDgidT_FNC-A' '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
Fri, 28 Jul 2023 11:55:48 GMT

Verdicts & Comments Add Verdict or Comment

71 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| OneTrustStub function| OptanonWrapper object| duo object| webpackChunk object| ___grecaptcha_cfg object| grecaptcha string| __recaptcha_api boolean| __google_recaptcha_client boolean| supportsAbortController boolean| supportsElementAnimate boolean| supportsES2015 boolean| supportsIntersectionObserver boolean| supportsResizeObserver object| features boolean| isAbc object| HIDE_APP_SMART_BANNER_PATH undefined| el function| _fs_ready object| dataLayer function| _rollbarURH function| ga object| gaDevIds object| gaplugins function| HowlerGlobal object| Howler function| Howl function| Sound function| onGoogleLibraryLoad string| OnetrustActiveGroups string| OptanonActiveGroups object| otStubData object| recaptcha object| closure_lm_153855 object| default_gsi object| google object| closure_lm_296488 object| google_tag_manager object| google_tag_data object| GooglebQhCsO object| GlobalAdalyserNamespace function| adalyserTracker object| Optanon object| OneTrust function| onYouTubeIframeAPIReady object| gaGlobal function| adalyserModules function| trackerCore function| rng object| _rnds8 undefined| _rnds function| parse function| unparse function| v1 function| v4 object| _byteToHex object| _hexToByte object| _seedBytes object| _nodeId number| _clockseq number| _lastMSecs number| _lastNSecs function| uuid string| queueName function| queue object| mutState object| AdalyserTracker object| outQueueManager object| commonContexts object| __G_ID_CLIENT__

19 Cookies

Domain/Path Name / Value
.duolingo.com/ Name: logged_out_uuid
Value: 62d6ac33-140c-4015-abff-261778b57e5a
.duolingo.com/ Name: lang
Value: de
www.duolingo.com/ Name: wuuid
Value: d27c0599-c223-409d-9d08-4bc3ef214f7e
.duolingo.com/ Name: tsl
Value: 1690545347894
.duolingo.com/ Name: lu
Value: https://www.duolingo.com/
.duolingo.com/ Name: initial_referrer
Value: $direct
.duolingo.com/ Name: lr
Value:
.duolingo.com/ Name: lp
Value: splash
.duolingo.com/ Name: _gcl_au
Value: 1.1.1860983058.1690545348
.duolingo.com/ Name: OptanonConsent
Value: isGpcEnabled=0&datestamp=Fri+Jul+28+2023+11%3A55%3A48+GMT%2B0000+(GMT)&version=6.16.0&isIABGlobal=false&consentId=854f39f1-e247-4215-a4d9-d2b7cf1d9c8c&interactionCount=0&landingPath=https%3A%2F%2Fwww.duolingo.com%2F&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
.duolingo.com/ Name: _ga_CSFDVCPQ4F
Value: GS1.1.1690545348.1.0.1690545348.0.0.0
.duolingo.com/ Name: _ga
Value: GA1.1.795645014.1690545348
.duolingo.com/ Name: __adal_ses
Value: *
.duolingo.com/ Name: __adal_id
Value: 56a5e66c-d20d-4e56-962a-678141f30dd9.1690545348.1.1690545348.1690545348.541b659f-3ff8-4ea1-8446-4114da22e74f
.duolingo.com/ Name: __adal_ca
Value: so%3Ddirect%26me%3Dnone%26ca%3Ddirect%26co%3D%28not%2520set%29%26ke%3D%28not%2520set%29%26cg%3DDirect
.duolingo.com/ Name: __adal_cw
Value: 1690545348402
www.duolingo.com/ Name: AWSALB
Value: +86FgVjzgGzcANrwaCD8amzjQPhgC9EmwjssYVS5M8dRIqFQuqCfCZTXpvUtNO5ez71R3ZrokTJxkNPY0PHQNUhSexmR3NGSgeeAKcqx4cd7eJ23U5ssYwE3I3iM
www.duolingo.com/ Name: AWSALBCORS
Value: +86FgVjzgGzcANrwaCD8amzjQPhgC9EmwjssYVS5M8dRIqFQuqCfCZTXpvUtNO5ez71R3ZrokTJxkNPY0PHQNUhSexmR3NGSgeeAKcqx4cd7eJ23U5ssYwE3I3iM
.doubleclick.net/ Name: test_cookie
Value: CheckForPermission

2 Console Messages

Source Level URL
Text
network error URL: https://brb.duolingo.com/0/web.json?user=0&ts=1690545347&tzoffset=0
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=1690545347&tzoffset=0
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
c0.adalyser.com
cdn.cookielaw.org
d35aaqx5ub95lt.cloudfront.net
duolingo.com
excess.duolingo.com
fonts.gstatic.com
geolocation.onetrust.com
googleads.g.doubleclick.net
region1.google-analytics.com
www.duolingo.com
www.google.com
www.google.de
www.googleadservices.com
www.googletagmanager.com
www.gstatic.com
www.recaptcha.net
zombie.duolingo.com
13.249.9.22
142.250.185.66
143.204.231.25
18.200.202.80
2001:4860:4802:34::36
2600:9000:21f3:1c00:7:60cd:e840:21
2606:4700::6812:1d26
2606:4700::6812:aa72
2a00:1450:4001:801::2003
2a00:1450:4001:80b::2002
2a00:1450:4001:80f::2003
2a00:1450:4001:813::2008
2a00:1450:4001:813::200d
2a00:1450:4001:81c::2003
2a00:1450:4001:828::2003
2a00:1450:4001:828::2004
34.201.240.243
44.198.251.53
54.165.40.136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