Submitted URL: http://invite.duolingo.com/
Effective URL: https://www.duolingo.com/
Submission: On March 03 via api from US — Scanned from DE

Summary

This website contacted 14 IPs in 3 countries across 8 domains to perform 105 HTTP transactions. The main IP is 52.206.251.231, 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 17099.
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

Apex Domain
Subdomains
Transfer
64 cloudfront.net
d35aaqx5ub95lt.cloudfront.net
2 MB
23 duolingo.com
invite.duolingo.com — Cisco Umbrella Rank: 647339
www.duolingo.com — Cisco Umbrella Rank: 17099
excess.duolingo.com — Cisco Umbrella Rank: 7643
brb.duolingo.com — Cisco Umbrella Rank: 6858
zombie.duolingo.com — Cisco Umbrella Rank: 9627
15 KB
6 gstatic.com
www.gstatic.com
fonts.gstatic.com
451 KB
5 cookielaw.org
cdn.cookielaw.org — Cisco Umbrella Rank: 334
118 KB
3 google.com
accounts.google.com — Cisco Umbrella Rank: 20
www.google.com — Cisco Umbrella Rank: 2
90 KB
3 recaptcha.net
www.recaptcha.net — Cisco Umbrella Rank: 1274
30 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 40
102 KB
1 onetrust.com
geolocation.onetrust.com — Cisco Umbrella Rank: 541
307 B
105 8
Domain Requested by
64 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
4 www.duolingo.com d35aaqx5ub95lt.cloudfront.net
3 www.recaptcha.net www.duolingo.com
www.gstatic.com
www.recaptcha.net
2 fonts.gstatic.com www.recaptcha.net
2 accounts.google.com d35aaqx5ub95lt.cloudfront.net
accounts.google.com
1 www.google.com www.gstatic.com
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 invite.duolingo.com 1 redirects
105 14
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
2024-02-05 -
2024-04-29
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
2024-02-05 -
2024-04-29
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
2024-02-05 -
2024-04-29
3 months crt.sh
accounts.google.com
GTS CA 1C3
2024-02-05 -
2024-04-29
3 months crt.sh
www.google.com
GTS CA 1C3
2024-02-05 -
2024-04-29
3 months crt.sh

This page contains 2 frames:

Primary Page: https://www.duolingo.com/
Frame ID: 6A381FE645450EC5B9A5B694D591D473
Requests: 90 HTTP requests in this frame

Frame: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY29tOjQ0Mw..&hl=de&v=vj7hFxe2iNgbe-u95xTozOXW&size=invisible&cb=emlgcautv2de
Frame ID: 1CBF021AE1D239A387620FC2D0D47B11
Requests: 8 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://invite.duolingo.com/ HTTP 302
    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
  • googletagmanager\.com/gtm\.js

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

Page Statistics

105
Requests

100 %
HTTPS

64 %
IPv6

8
Domains

14
Subdomains

14
IPs

3
Countries

2877 kB
Transfer

12669 kB
Size

11
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://invite.duolingo.com/ HTTP 302
    https://www.duolingo.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

105 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
www.duolingo.com/
Redirect Chain
  • http://invite.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
52.206.251.231 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-206-251-231.compute-1.amazonaws.com
Software
duo-api /
Resource Hash
b6f0ef6b6d0a0ba9b63a1ae33fb41b8db4c612ddc236d2dcd0f623c57b474330
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/122.0.6261.94 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
Sun, 03 Mar 2024 15:49:58 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
53
x-frame-options
SAMEORIGIN
x-runtime
0.05135
x-tid
ffff3d0f65e49b9b01f2
x-ws
UK

Redirect headers

Connection
keep-alive
Content-Length
235
Content-Type
text/html; charset=utf-8
Date
Sun, 03 Mar 2024 15:49:57 GMT
Location
https://www.duolingo.com
Vary
Accept-Encoding
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::6812:82ec , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d85e4dcb52ce714c7136eb95a32765325205a4aabdb51932bd9024c400be665d
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/122.0.6261.94 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Sun, 03 Mar 2024 15:49:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
/RTAD1TAPuPWblD15GN1pg==
age
39678
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
6842
x-ms-lease-status
unlocked
last-modified
Fri, 01 Mar 2024 20:53:46 GMT
server
cloudflare
etag
0x8DC3A31B02CC710
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
155be5b3-101e-0033-644e-6c6628000000
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
85eac7901d5918d3-FRA
enterprise.js
www.recaptcha.net/recaptcha/
1 KB
1 KB
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
2a00:1450:4001:802::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
GSE /
Resource Hash
9c5195d28fa8e1e91334cf4a0ee298898c03f36ef4c391d1ff7c7b38246d8e3f
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/122.0.6261.94 Safari/537.36

Response headers

date
Sun, 03 Mar 2024 15:49:58 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
Sun, 03 Mar 2024 15:49:58 GMT
manifest-2525438f.js
d35aaqx5ub95lt.cloudfront.net/js/
12 KB
6 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/manifest-2525438f.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:262b:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
5e78e04cc4ad51ba96789cbe7fa68d858ea081418f6c03b078ec873aae8d126a

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/122.0.6261.94 Safari/537.36

Response headers

date
Mon, 26 Feb 2024 18:54:59 GMT
content-encoding
gzip
via
1.1 921e6774a0a03340050a53f58f35c090.cloudfront.net (CloudFront)
last-modified
Mon, 26 Feb 2024 18:33:22 GMT
server
AmazonS3
x-amz-cf-pop
CDG52-P5
age
507300
etag
"6cc86ac5b08f287568e587b1a9441d0e"
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
6099
x-amz-cf-id
q5ffDXJh7b8mft1ePBZbOUeysi3Avg72VNUDB4z02CmZ0GQ4bVIevw==
features-aaa1ae8d.js
d35aaqx5ub95lt.cloudfront.net/js/
3 KB
2 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/features-aaa1ae8d.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:262b:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
82b4dd87639d0a3f359c2d929e7bd6b250e90d5a985f3b261a9411f3014caa5d

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/122.0.6261.94 Safari/537.36

Response headers

date
Thu, 15 Feb 2024 18:55:59 GMT
content-encoding
gzip
via
1.1 921e6774a0a03340050a53f58f35c090.cloudfront.net (CloudFront)
last-modified
Thu, 15 Feb 2024 18:26:58 GMT
server
AmazonS3
x-amz-cf-pop
CDG52-P5
age
1457640
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
Y0S6LYD-epxZmSUhdvQQVGM4sSluSP8cQrpWvr4Nc8TZfjb6bxuY1A==
8553-34f8e48e.js
d35aaqx5ub95lt.cloudfront.net/js/
24 KB
9 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/8553-34f8e48e.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:262b:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
c7a707567193a77a2953d537c8ca1bd697515b53baa65967a68fdbb9345b373f

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/122.0.6261.94 Safari/537.36

Response headers

date
Wed, 03 Jan 2024 20:56:12 GMT
content-encoding
gzip
via
1.1 921e6774a0a03340050a53f58f35c090.cloudfront.net (CloudFront)
last-modified
Wed, 03 Jan 2024 20:28:38 GMT
server
AmazonS3
x-amz-cf-pop
CDG52-P5
age
5165627
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
LTCj07xSIrn0uPK4a4dDkv72NTy1US9ohAKl8n3tbQJqEkHo7n0qlA==
polyfills-d1e2cb95.js
d35aaqx5ub95lt.cloudfront.net/js/
371 B
627 B
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/polyfills-d1e2cb95.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:262b:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
cfff8569bb27bee3dcbccaba435f5f8eb724b8052d64ab2d89c5c31f172813c8

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/122.0.6261.94 Safari/537.36

Response headers

date
Thu, 04 Jan 2024 02:24:59 GMT
content-encoding
gzip
via
1.1 921e6774a0a03340050a53f58f35c090.cloudfront.net (CloudFront)
last-modified
Wed, 03 Jan 2024 23:37:20 GMT
server
AmazonS3
x-amz-cf-pop
CDG52-P5
age
5145900
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
grSxUwkOCgcAp9uVz_Ar_ZNu_w-l5A3TpmvzDabZiLO22leq-RepbA==
2867-bd8fe6b2.js
d35aaqx5ub95lt.cloudfront.net/js/
337 KB
109 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/2867-bd8fe6b2.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:262b:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
36381df2afe66e148357f6042674434ac9080fc38645ee3ee96989e76f149f7c

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/122.0.6261.94 Safari/537.36

Response headers

date
Wed, 14 Feb 2024 21:29:57 GMT
content-encoding
gzip
via
1.1 921e6774a0a03340050a53f58f35c090.cloudfront.net (CloudFront)
last-modified
Wed, 14 Feb 2024 21:17:19 GMT
server
AmazonS3
x-amz-cf-pop
CDG52-P5
age
1534802
etag
"1e7ef3220f0757db265c428f8837fa2c"
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
111251
x-amz-cf-id
o3mPQGz5W8-rdc0n19L2JkTVq43-4YakP4jKR9hywLYQTM11mh2A_g==
de-9b0adbaf.js
d35aaqx5ub95lt.cloudfront.net/js/strings/
26 KB
5 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/strings/de-9b0adbaf.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:262b:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
bd818b2b8da03f7dcec5fd60cb15ed9024adf2d14d8e0c1d14c602e7974dd40e

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/122.0.6261.94 Safari/537.36

Response headers

date
Mon, 21 Aug 2023 15:44:53 GMT
content-encoding
gzip
via
1.1 921e6774a0a03340050a53f58f35c090.cloudfront.net (CloudFront)
last-modified
Mon, 21 Aug 2023 15:40:27 GMT
server
AmazonS3
x-amz-cf-pop
CDG52-P5
age
16848306
etag
"6d3be3fc3e017f365aeed72e0f5d2592"
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
4553
x-amz-cf-id
8ULBKf1W7AyVnURKbULRR9euFxBPtc-WA5T97a3kPv9vAoFlfMz2ww==
6039-c20444f4.js
d35aaqx5ub95lt.cloudfront.net/js/
706 KB
225 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/6039-c20444f4.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:262b:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
72af9704f1bb65463332064fdae6d31f195e51b4c050621ce53d58bfb6e53918

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/122.0.6261.94 Safari/537.36

Response headers

date
Wed, 07 Feb 2024 23:26:47 GMT
content-encoding
gzip
via
1.1 921e6774a0a03340050a53f58f35c090.cloudfront.net (CloudFront)
last-modified
Wed, 07 Feb 2024 23:18:04 GMT
server
AmazonS3
x-amz-cf-pop
CDG52-P5
age
2132592
etag
"21d68ce504219a904ebf04bc3407f743"
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
229890
x-amz-cf-id
QQDl87DUTvq1OkoS9ES0slClfGNnZeouErwX0DwB50Zn2re09vUE5g==
app-3fa851b2.js
d35aaqx5ub95lt.cloudfront.net/js/
901 KB
272 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/app-3fa851b2.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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content-encoding
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content-encoding
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gzip
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Response headers

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content-encoding
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age
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content-security-policy-report-only
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cache-control
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Request headers

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User-Agent
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Response headers

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content-encoding
gzip
via
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Request headers

Referer
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accept-language
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User-Agent
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Response headers

Content-Type
text/javascript
location
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XHR
General
Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Request headers

accept
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accept-language
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User-Agent
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Response headers

date
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strict-transport-security
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1
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Response headers

alt-svc
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cache-control
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content-encoding
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pragma
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x-content-type-options
nosniff
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83 KB
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URL: https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Protocol
H2
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Response headers

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BlockBlob
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content-encoding
gzip
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H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.196.31.19 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
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Software
Jetty(9.4.53.v20231009) /
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Request headers

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content-type
Access-Control-Request-Method
POST
Origin
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cors
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Response headers

accept-encoding
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access-control-allow-origin
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date
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server
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Software
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Request headers

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Response headers

accept-encoding
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access-control-allow-methods
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server
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batch
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Software
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Request headers

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content-type
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Protocol
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Request headers

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Request headers

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Response headers

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content-encoding
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Request headers

accept-language
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content-encoding
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Request headers

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Request headers

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content-encoding
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Request headers

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content-encoding
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Protocol
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Request headers

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content-encoding
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Request headers

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Response headers

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content-encoding
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Request headers

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Response headers

date
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content-encoding
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age
12425515
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Hit from cloudfront
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cache-control
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Protocol
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Request headers

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Response headers

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server
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x-amz-cf-pop
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age
12425515
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Hit from cloudfront
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cache-control
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TLS 1.3, , AES_128_GCM
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2600:9000:262b:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
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/122.0.6261.94 Safari/537.36

Response headers

date
Thu, 11 Jan 2024 11:21:22 GMT
content-encoding
gzip
via
1.1 921e6774a0a03340050a53f58f35c090.cloudfront.net (CloudFront)
last-modified
Thu, 11 Jan 2024 08:32:13 GMT
server
AmazonS3
x-amz-cf-pop
CDG52-P5
age
4508916
etag
"5695a666ebdb86ba80514d6434b534cf"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
image/svg+xml
cache-control
max-age=315360000
accept-ranges
bytes
content-length
16956
x-amz-cf-id
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batch
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312 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/6039-c20444f4.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.196.31.19 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-196-31-19.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
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/122.0.6261.94 Safari/537.36
Content-type
application/json

Response headers

date
Sun, 03 Mar 2024 15:49:59 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
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content-length
34
batch
excess.duolingo.com/
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312 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/6039-c20444f4.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.196.31.19 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-196-31-19.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash
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Request headers

Referer
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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/122.0.6261.94 Safari/537.36
Content-type
application/json

Response headers

date
Sun, 03 Mar 2024 15:49:59 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
batch
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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/6039-c20444f4.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.196.31.19 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-196-31-19.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
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/122.0.6261.94 Safari/537.36
Content-type
application/json

Response headers

date
Sun, 03 Mar 2024 15:49:59 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
batch
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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/6039-c20444f4.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.196.31.19 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-196-31-19.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
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/122.0.6261.94 Safari/537.36
Content-type
application/json

Response headers

date
Sun, 03 Mar 2024 15:49:59 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
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content-length
34
batch
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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/6039-c20444f4.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.196.31.19 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-196-31-19.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
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/122.0.6261.94 Safari/537.36
Content-type
application/json

Response headers

date
Sun, 03 Mar 2024 15:49:59 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
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content-length
34
batch
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312 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/6039-c20444f4.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.196.31.19 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-196-31-19.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash
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Request headers

Referer
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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/122.0.6261.94 Safari/537.36
Content-type
application/json

Response headers

date
Sun, 03 Mar 2024 15:49:59 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
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content-length
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d35aaqx5ub95lt.cloudfront.net/images/splash/
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628 B
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General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/images/splash/c6eae48dd48246c89e415b89f9e55282.svg
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:262b:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
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/122.0.6261.94 Safari/537.36

Response headers

date
Wed, 03 Jan 2024 00:37:32 GMT
content-encoding
gzip
via
1.1 921e6774a0a03340050a53f58f35c090.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
CDG52-P5
age
5238747
etag
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x-amz-server-side-encryption
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x-cache
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content-type
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cache-control
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accept-ranges
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content-length
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x-amz-cf-id
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General
Full URL
https://www.gstatic.com/recaptcha/releases/vj7hFxe2iNgbe-u95xTozOXW/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=vj7hFxe2iNgbe-u95xTozOXW&size=invisible&cb=emlgcautv2de
Protocol
H3
Security
QUIC, , AES_128_GCM
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Software
sffe /
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.recaptcha.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date
Sat, 02 Mar 2024 22:21:48 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
62890
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
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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-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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recaptcha__de.js
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494 KB
196 KB
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General
Full URL
https://www.gstatic.com/recaptcha/releases/vj7hFxe2iNgbe-u95xTozOXW/recaptcha__de.js
Requested by
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URL: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY29tOjQ0Mw..&hl=de&v=vj7hFxe2iNgbe-u95xTozOXW&size=invisible&cb=emlgcautv2de
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:811::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
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Referer
https://www.recaptcha.net/
User-Agent
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Response headers

date
Sat, 02 Mar 2024 18:13:09 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
77809
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
201116
x-xss-protection
0
last-modified
Mon, 26 Feb 2024 03:01:13 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
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de.json
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General
Full URL
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Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/6039-c20444f4.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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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/122.0.6261.94 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
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content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
strict-transport-security
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age
72093
content-md5
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content-length
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last-modified
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server
cloudflare
etag
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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
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x-ms-version
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accept-ranges
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cf-ray
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expires
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General
Full URL
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Requested by
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URL: https://www.gstatic.com/recaptcha/releases/vj7hFxe2iNgbe-u95xTozOXW/recaptcha__de.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82a::2004 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/122.0.6261.94 Safari/537.36

Response headers

date
Fri, 01 Mar 2024 12:59:47 GMT
content-encoding
br
x-content-type-options
nosniff
age
183012
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/botguard-scs
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
6937
x-xss-protection
0
last-modified
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server
sffe
cross-origin-opener-policy
same-origin; report-to="botguard-scs"
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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General
Full URL
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Requested by
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URL: https://www.gstatic.com/recaptcha/releases/vj7hFxe2iNgbe-u95xTozOXW/styles__ltr.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:811::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
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Referer
https://www.gstatic.com/recaptcha/releases/vj7hFxe2iNgbe-u95xTozOXW/styles__ltr.css
User-Agent
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Response headers

date
Tue, 27 Feb 2024 08:49:56 GMT
x-content-type-options
nosniff
age
457203
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
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content-length
2228
x-xss-protection
0
last-modified
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server
sffe
cross-origin-opener-policy
same-origin-allow-popups; report-to="recaptcha"
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
Tue, 05 Mar 2024 08:49:56 GMT
KFOmCnqEu92Fr1Mu4mxK.woff2
fonts.gstatic.com/s/roboto/v18/ Frame 1CBF
15 KB
15 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxK.woff2
Requested by
Host: www.recaptcha.net
URL: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY29tOjQ0Mw..&hl=de&v=vj7hFxe2iNgbe-u95xTozOXW&size=invisible&cb=emlgcautv2de
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:827::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
3e253b66056519aa065b00a453bac37ac5ed8f3e6fe7b542e93a9dcdcc11d0bc
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.recaptcha.net/
Origin
https://www.recaptcha.net
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/122.0.6261.94 Safari/537.36

Response headers

date
Tue, 27 Feb 2024 08:49:09 GMT
x-content-type-options
nosniff
age
457250
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
15344
x-xss-protection
0
last-modified
Mon, 16 Oct 2017 17:32:55 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 26 Feb 2025 08:49:09 GMT
KFOlCnqEu92Fr1MmEU9fBBc4.woff2
fonts.gstatic.com/s/roboto/v18/ Frame 1CBF
15 KB
16 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmEU9fBBc4.woff2
Requested by
Host: www.recaptcha.net
URL: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY29tOjQ0Mw..&hl=de&v=vj7hFxe2iNgbe-u95xTozOXW&size=invisible&cb=emlgcautv2de
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:827::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
5a8c1e7681318caa29e9f44e8a6e271f6a4067a2703e9916dfd4fe9099241db7
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.recaptcha.net/
Origin
https://www.recaptcha.net
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/122.0.6261.94 Safari/537.36

Response headers

date
Tue, 27 Feb 2024 09:11:37 GMT
x-content-type-options
nosniff
age
455902
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
15552
x-xss-protection
0
last-modified
Mon, 16 Oct 2017 17:33:02 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 26 Feb 2025 09:11:37 GMT
webworker.js
www.recaptcha.net/recaptcha/enterprise/ Frame 1CBF
102 B
135 B
Other
General
Full URL
https://www.recaptcha.net/recaptcha/enterprise/webworker.js?hl=de&v=vj7hFxe2iNgbe-u95xTozOXW
Requested by
Host: www.recaptcha.net
URL: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY29tOjQ0Mw..&hl=de&v=vj7hFxe2iNgbe-u95xTozOXW&size=invisible&cb=emlgcautv2de
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:802::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
GSE /
Resource Hash
5e6ccfa30b73831d6528662ece5421627caab9f02289cf4902a0a4d67cdc1dd8
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.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY29tOjQ0Mw..&hl=de&v=vj7hFxe2iNgbe-u95xTozOXW&size=invisible&cb=emlgcautv2de
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date
Sun, 03 Mar 2024 15:49:59 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
{"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
content-type
text/javascript; charset=utf-8
cache-control
private, max-age=300
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
1; mode=block
expires
Sun, 03 Mar 2024 15:49:59 GMT
otFlat.json
cdn.cookielaw.org/scripttemplates/6.16.0/assets/
12 KB
3 KB
Fetch
General
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/6039-c20444f4.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:82ec , 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

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/122.0.6261.94 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Sun, 03 Mar 2024 15:49:59 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
DKM3/i+7h7Fs8cEMor3s2A==
age
28147
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
178cbdd5-401e-0073-550b-156110000000
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
85eac7958e4e2c49-FRA
style
accounts.google.com/gsi/
533 B
610 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
2a00:1450:400c:c0a::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-D100LIYtiDbmZMPZtAhYSg' '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/122.0.6261.94 Safari/537.36

Response headers

date
Sun, 03 Mar 2024 15:49:59 GMT
content-security-policy
script-src 'report-sample' 'nonce-D100LIYtiDbmZMPZtAhYSg' '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
Sun, 03 Mar 2024 15:49:59 GMT
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/6039-c20444f4.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.196.31.19 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-196-31-19.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
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/122.0.6261.94 Safari/537.36
Content-type
application/json

Response headers

date
Sun, 03 Mar 2024 15:49:59 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
batch
excess.duolingo.com/ Frame
0
0
Preflight
General
Full URL
https://excess.duolingo.com/batch
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.196.31.19 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-196-31-19.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/122.0.6261.94 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
Sun, 03 Mar 2024 15:49:59 GMT
server
Jetty(9.4.53.v20231009)

Verdicts & Comments Add Verdict or Comment

49 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| supportsEs2019 boolean| supportsIntersectionObserver boolean| supportsWebAssembly boolean| supportsResizeObserver object| features boolean| isAbc object| HIDE_APP_SMART_BANNER_PATH undefined| el object| recaptcha object| closure_lm_121273 string| OnetrustActiveGroups string| OptanonActiveGroups object| dataLayer object| otStubData function| _fs_ready number| __NUMBER_OF_JOTAI_INSTANCES__ function| _ function| _rollbarURH function| ga object| gaDevIds object| gaplugins function| HowlerGlobal object| Howler function| Howl function| Sound object| __SENTRY__ function| onGoogleLibraryLoad object| google_tag_manager object| google_tag_data object| default_gsi object| _F_toggles object| google object| closure_lm_310913 object| Optanon object| OneTrust object| __G_ID_CLIENT__

11 Cookies

Domain/Path Name / Value
.duolingo.com/ Name: logged_out_uuid
Value: 6a38a50c-01b8-4123-a742-2c88238a1b0a
.duolingo.com/ Name: lang
Value: de
www.duolingo.com/ Name: wuuid
Value: ab1f5ca5-903e-424a-a628-ddc97f2efccd
.duolingo.com/ Name: tsl
Value: 1709480998682
.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
www.duolingo.com/ Name: AWSALB
Value: bUkL7Ij3tRYP9p/Bw1yNhqfHMRIg43bsMq60lM3duD3q6y3oz3DMC9XtpeECJHed0FdY4zLwFSm/pguNuZRFKYlOMtR/kRpz9xTS8dypF+VwlXMIIabXBP4v5KRK
www.duolingo.com/ Name: AWSALBCORS
Value: bUkL7Ij3tRYP9p/Bw1yNhqfHMRIg43bsMq60lM3duD3q6y3oz3DMC9XtpeECJHed0FdY4zLwFSm/pguNuZRFKYlOMtR/kRpz9xTS8dypF+VwlXMIIabXBP4v5KRK
.duolingo.com/ Name: OptanonConsent
Value: isGpcEnabled=0&datestamp=Sun+Mar+03+2024+16%3A49%3A59+GMT%2B0100+(Central+European+Standard+Time)&version=6.16.0&isIABGlobal=false&consentId=10335157-8736-428f-bbf9-99446fba2cc2&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

2 Console Messages

Source Level URL
Text
network error URL: https://zombie.duolingo.com/0/web.json?user=0&ts=1709480998&tzoffset=1
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://brb.duolingo.com/0/web.json?user=0&ts=1709480998&tzoffset=1
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
d35aaqx5ub95lt.cloudfront.net
excess.duolingo.com
fonts.gstatic.com
geolocation.onetrust.com
invite.duolingo.com
www.duolingo.com
www.google.com
www.googletagmanager.com
www.gstatic.com
www.recaptcha.net
zombie.duolingo.com
18.173.205.12
18.239.18.69
2600:9000:262b:8400:7:60cd:e840:21
2606:4700:4400::6812:2089
2606:4700::6812:82ec
2a00:1450:4001:802::2003
2a00:1450:4001:806::2008
2a00:1450:4001:811::2003
2a00:1450:4001:827::2003
2a00:1450:4001:82a::2004
2a00:1450:400c:c0a::54
3.229.153.213
52.206.251.231
54.196.31.19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