Submitted URL: http://preview.duolingo.com/
Effective URL: https://preview.duolingo.com/
Submission: On June 29 via api from US — Scanned from DE

Summary

This website contacted 12 IPs in 3 countries across 8 domains to perform 95 HTTP transactions. The main IP is 44.220.104.173, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is preview.duolingo.com.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on November 21st 2023. Valid for: a year.
This is the only time preview.duolingo.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
4 44.220.104.173 14618 (AMAZON-AES)
6 2606:4700::68... 13335 (CLOUDFLAR...)
2 2a00:1450:400... 15169 (GOOGLE)
61 2600:9000:21f... 16509 (AMAZON-02)
1 2a00:1450:400... 15169 (GOOGLE)
1 2606:4700:440... 13335 (CLOUDFLAR...)
15 54.237.79.162 14618 (AMAZON-AES)
1 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
1 18.245.31.39 16509 (AMAZON-02)
1 18.173.205.12 16509 (AMAZON-02)
95 12
Apex Domain
Subdomains
Transfer
61 cloudfront.net
d35aaqx5ub95lt.cloudfront.net
2 MB
21 duolingo.com
preview.duolingo.com
excess.duolingo.com — Cisco Umbrella Rank: 8846
brb.duolingo.com — Cisco Umbrella Rank: 14135
zombie.duolingo.com — Cisco Umbrella Rank: 8861
15 KB
6 cookielaw.org
cdn.cookielaw.org — Cisco Umbrella Rank: 378
148 KB
2 google.com
accounts.google.com — Cisco Umbrella Rank: 45
84 KB
2 recaptcha.net
www.recaptcha.net — Cisco Umbrella Rank: 1537
1 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 81
110 KB
1 onetrust.com
geolocation.onetrust.com — Cisco Umbrella Rank: 653
315 B
1 gstatic.com
www.gstatic.com
213 KB
95 8
Domain Requested by
61 d35aaqx5ub95lt.cloudfront.net preview.duolingo.com
d35aaqx5ub95lt.cloudfront.net
15 excess.duolingo.com d35aaqx5ub95lt.cloudfront.net
6 cdn.cookielaw.org preview.duolingo.com
cdn.cookielaw.org
4 preview.duolingo.com d35aaqx5ub95lt.cloudfront.net
2 accounts.google.com d35aaqx5ub95lt.cloudfront.net
accounts.google.com
2 www.recaptcha.net preview.duolingo.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 www.gstatic.com www.recaptcha.net
95 11
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
WR2
2024-06-13 -
2024-09-05
3 months crt.sh
*.cloudfront.net
Amazon RSA 2048 M01
2023-10-10 -
2024-09-19
a year crt.sh
*.gstatic.com
WR2
2024-06-13 -
2024-09-05
3 months crt.sh
onetrust.com
Cloudflare Inc ECC CA-3
2023-11-13 -
2024-11-12
a year crt.sh
*.google-analytics.com
WR2
2024-06-13 -
2024-09-05
3 months crt.sh
accounts.google.com
WR2
2024-06-13 -
2024-09-05
3 months crt.sh

This page contains 2 frames:

Primary Page: https://preview.duolingo.com/
Frame ID: 47CD939B08278288C5D44381C6A12D32
Requests: 88 HTTP requests in this frame

Frame: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly9wcmV2aWV3LmR1b2xpbmdvLmNvbTo0NDM.&hl=de&v=rKbTvxTxwcw5VqzrtN-ICwWt&size=invisible&cb=sk3kxjmwk5ow
Frame ID: 0F0672A99BF686AA36048007630F9432
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

Duolingo - Die weltbeste Methode, eine Sprache zu lernen

Page URL History Show full URLs

  1. http://preview.duolingo.com/ HTTP 307
    https://preview.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

95
Requests

100 %
HTTPS

64 %
IPv6

8
Domains

11
Subdomains

12
IPs

3
Countries

2590 kB
Transfer

12031 kB
Size

12
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://preview.duolingo.com/ HTTP 307
    https://preview.duolingo.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

95 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
preview.duolingo.com/
Redirect Chain
  • http://preview.duolingo.com/
  • https://preview.duolingo.com/
10 KB
4 KB
Document
General
Full URL
https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
44.220.104.173 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-44-220-104-173.compute-1.amazonaws.com
Software
duo-api /
Resource Hash
b7109776177ee5b009ad67042247814eaa35f0a80f542cc96a8a51e2e6b2626a
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

cache-control
no-store, no-cache, must-revalidate, proxy-revalidate
content-encoding
gzip
content-type
text/html; charset=UTF-8
date
Sat, 29 Jun 2024 20:14:41 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
38
x-frame-options
SAMEORIGIN
x-runtime
0.03603
x-tid
ffff5dde66806adf01aa
x-ws
UK

Redirect headers

Location
https://preview.duolingo.com/
Non-Authoritative-Reason
HttpsUpgrades
otSDKStub.js
cdn.cookielaw.org/scripttemplates/
21 KB
7 KB
Script
General
Full URL
https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6813:b234 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
022e2f39deba7f332eabe69b27b31d98d4d5f2535116745957a691d1b1ec4cc5
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-ms-blob-type
BlockBlob
date
Sat, 29 Jun 2024 20:14:41 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
ceCldLDyZN6bSQL6yyKLMg==
age
8710
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
6882
x-ms-lease-status
unlocked
last-modified
Thu, 27 Jun 2024 19:49:58 GMT
server
cloudflare
etag
0x8DC96E2535B2336
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
9c2b7048-201e-007d-6875-c90f42000000
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
89b895937dc2361e-FRA
enterprise.js
www.recaptcha.net/recaptcha/
2 KB
1 KB
Script
General
Full URL
https://www.recaptcha.net/recaptcha/enterprise.js?render=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:809::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
GSE /
Resource Hash
994f513ef39ee0a8841211ed866b4b9a57cec055a186816e7bfba9c47b867971
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 29 Jun 2024 20:14:41 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
Sat, 29 Jun 2024 20:14:41 GMT
manifest-e1c6673e.js
d35aaqx5ub95lt.cloudfront.net/js/
12 KB
6 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/manifest-e1c6673e.js
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
14f0230bd03808d81b7537aff49d1b75130ac324f7bd20ed20e10705e9fde80d

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 20:26:36 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Wed, 26 Jun 2024 20:07:58 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
258486
etag
"dfebbaa3a87dc026a4436ca15b7dc1b8"
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
6103
x-amz-cf-id
rrwCKVt3LLSbimmp-Q0PqJaTMPjwJDVVkkBkAyETx2vnwDIs2JZDvw==
features-91ec4487.js
d35aaqx5ub95lt.cloudfront.net/js/
3 KB
2 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/features-91ec4487.js
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
f2d4ab9d2dff0e7dce8e81c2f13c53db9fdacb6c16445e7188176e06ca638317

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 08 May 2024 20:26:53 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Wed, 08 May 2024 20:00:51 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
4492069
etag
"66062738b5dff2effea11304d2a666c2"
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
1192
x-amz-cf-id
PqUoVxsP98wueqzj6fGxDntfVgSaBI_fgIXKiq6ud10BMlbmklNpRA==
8553-a0eeda7a.js
d35aaqx5ub95lt.cloudfront.net/js/
24 KB
9 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/8553-a0eeda7a.js
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
9179ef7271b73ff2bda6115717edd59c35b5516a59e75a84b80210f05657cdec

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 24 Apr 2024 20:27:43 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Wed, 24 Apr 2024 20:08:32 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
5701619
etag
"01a4ed918c451d99036d128d3df70027"
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
9286
x-amz-cf-id
DQMyOkKiiY91F_SZrA_8pcgWNLzjYgkTUo0CQRNLmhxDsA1oztWAIw==
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: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
cfff8569bb27bee3dcbccaba435f5f8eb724b8052d64ab2d89c5c31f172813c8

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 05:41:51 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Mon, 25 Mar 2024 21:53:10 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
8260371
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
sEo7-Nl226kr5za7vOvjQ_hHfUdrMNFOvXggjF3tdC3zVBYnYJ7POw==
2867-96a15425.js
d35aaqx5ub95lt.cloudfront.net/js/
331 KB
96 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/2867-96a15425.js
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
ad3e407badca8dcf0c3e348b4fe4eeb9c8aad27ef85737ed55f608db291d4827

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 20:29:52 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Wed, 26 Jun 2024 20:07:56 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
258290
etag
"805c8845df23034e1dcb18158ebd9ea3"
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
97939
x-amz-cf-id
T8bHlZYwQquFdaMnlVbnuk-P3Zy3jgIDxK_QftN95DhL69P2XIvJDQ==
de-e2625e55.js
d35aaqx5ub95lt.cloudfront.net/js/strings/
1 KB
1 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/strings/de-e2625e55.js
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
0c6c6efd891ec320969b8d87d9d0c54d018ad3ea567643b54ee7b6fb9a509943

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 01 May 2024 22:03:31 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Wed, 01 May 2024 20:30:26 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
5091071
etag
"9435eef29879b9d1059e5633ce3c2bdd"
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
855
x-amz-cf-id
f1V08LBxyfgk99-q6qluGQx3X6mzuYtK7OzIUB7eMpXJtITp4-HwNw==
663-5ea7c925.js
d35aaqx5ub95lt.cloudfront.net/js/
649 KB
212 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/663-5ea7c925.js
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
46468b277fb39ac63ea5b39ed077fce281e33fc413d1ea0b77206e95fe99fc0b

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 20:26:36 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
258486
etag
"c45fd8e3d0810fc8458f04cd626ef8a8"
x-amz-server-side-encryption
AES256
x-cache
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content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
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content-length
216238
x-amz-cf-id
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app-74a2c064.js
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255 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/app-74a2c064.js
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 20:26:36 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Wed, 26 Jun 2024 20:07:57 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
258486
etag
"a2ae5ca2724be7ebc8a292b52e5e7b09"
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
260089
x-amz-cf-id
QvtrkvyHOoZoMvNnbr11lyeuWdAYBEX8sfcTBnROSJG5-BM3imHFiA==
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5 KB
Stylesheet
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Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/663-64b566cd.css
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 20:26:36 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Wed, 26 Jun 2024 20:07:45 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
258486
etag
"551901757e05e311e8b74a677d406101"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=315360000
accept-ranges
bytes
content-length
4235
x-amz-cf-id
3h6DS5auvSA-LWeSnJRrafIV7SxNX6X4hMgOWdPqnROVZKbe1pxYHA==
app-c46eb51c.css
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64 KB
14 KB
Stylesheet
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/app-c46eb51c.css
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 20:26:36 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Wed, 26 Jun 2024 20:07:46 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
258486
etag
"f7443fbd13dab476d6ab30511c892a06"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=315360000
accept-ranges
bytes
content-length
14072
x-amz-cf-id
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5 KB
2 KB
XHR
General
Full URL
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Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6813:b234 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
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

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-ms-blob-type
BlockBlob
date
Sat, 29 Jun 2024 20:14:41 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
strict-transport-security
max-age=31536000; includeSubDomains; preload
age
61656
content-md5
KvLSDGanMh+g6x0eRZxPpg==
content-length
1873
x-ms-lease-status
unlocked
last-modified
Thu, 25 Apr 2024 15:36:06 GMT
server
cloudflare
etag
0x8DC653D6C8F3441
vary
Accept-Encoding
content-type
application/x-javascript
access-control-allow-origin
*
x-ms-request-id
3e4df9b3-401e-0097-2b26-976f8e000000
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
89b89593dae93a9c-FRA
expires
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recaptcha__de.js
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536 KB
213 KB
Script
General
Full URL
https://www.gstatic.com/recaptcha/releases/rKbTvxTxwcw5VqzrtN-ICwWt/recaptcha__de.js
Requested by
Host: www.recaptcha.net
URL: https://www.recaptcha.net/recaptcha/enterprise.js?render=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82a::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Origin
https://preview.duolingo.com
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 28 Jun 2024 19:57:26 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
87435
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
217833
x-xss-protection
0
last-modified
Sun, 23 Jun 2024 08:01:07 GMT
server
sffe
cross-origin-opener-policy
same-origin-allow-popups; report-to="recaptcha"
vary
Accept-Encoding
report-to
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content-type
text/javascript
access-control-allow-origin
*
cache-control
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accept-ranges
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expires
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43 KB
Font
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Full URL
https://d35aaqx5ub95lt.cloudfront.net/vendor/8df26391f330be315074ddd7b74b66b8.woff2
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
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Referer
https://preview.duolingo.com/
Origin
https://preview.duolingo.com
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
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Response headers

date
Wed, 06 Mar 2024 21:26:30 GMT
content-encoding
gzip
via
1.1 286eb4b50e0acf373dd03645aee00b7e.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA2-C2
age
9931691
x-amz-server-side-encryption
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x-cache
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content-length
43229
last-modified
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server
AmazonS3
etag
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access-control-max-age
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access-control-allow-methods
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content-type
binary/octet-stream
access-control-allow-origin
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cache-control
max-age=315360000
access-control-allow-credentials
true
vary
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accept-ranges
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x-amz-cf-id
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Full URL
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Requested by
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URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
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Referer
https://preview.duolingo.com/
Origin
https://preview.duolingo.com
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 06 Mar 2024 21:26:30 GMT
content-encoding
gzip
via
1.1 286eb4b50e0acf373dd03645aee00b7e.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA2-C2
age
9931691
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-length
44488
last-modified
Wed, 06 Mar 2024 21:15:30 GMT
server
AmazonS3
etag
"0f4d41ab6027cdbb06f469d5164807fa"
access-control-max-age
3000
access-control-allow-methods
GET
content-type
binary/octet-stream
access-control-allow-origin
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cache-control
max-age=315360000
access-control-allow-credentials
true
vary
Origin
accept-ranges
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x-amz-cf-id
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truncated
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1 B
0
Script
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
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Request headers

Referer
Origin
https://preview.duolingo.com
Accept-Language
de-DE,de;q=0.9;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

Content-Type
text/javascript
location
geolocation.onetrust.com/cookieconsentpub/v1/geo/
68 B
315 B
XHR
General
Full URL
https://geolocation.onetrust.com/cookieconsentpub/v1/geo/location
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:4400::6812:2089 , 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

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
accept
application/json
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 29 Jun 2024 20:14:41 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-encoding
gzip
server
cloudflare
vary
Accept-Encoding
access-control-allow-methods
GET, OPTIONS
content-type
application/json
access-control-allow-origin
*
cf-ray
89b895963bce2c21-FRA
access-control-allow-headers
Content-Type
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
54.237.79.162 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-237-79-162.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://preview.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

accept-encoding
gzip, identity
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods
POST, GET, OPTIONS
access-control-allow-origin
*
access-control-max-age
3600
allow
GET, HEAD, POST, TRACE, OPTIONS
content-length
0
date
Sat, 29 Jun 2024 20:14:41 GMT
server
Jetty(9.4.53.v20231009)
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4 KB
2 KB
Stylesheet
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/9020-d4a2cb87.css
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-e1c6673e.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 20:26:37 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Wed, 26 Jun 2024 20:07:46 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
258484
etag
"ab691f2997f7244d97866a640b8a4ca4"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
text/css
cache-control
max-age=315360000
accept-ranges
bytes
content-length
1233
x-amz-cf-id
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3 KB
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General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/9020-16c3cc35.js
Requested by
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-e1c6673e.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 26 Jun 2024 20:26:37 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
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X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 29 Jun 2024 20:14:41 GMT
content-security-policy
require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, script-src 'report-sample' 'nonce-knD2J8_ODhHc3DEQk1AVEg' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
content-encoding
gzip
x-content-type-options
nosniff
server
ESF
x-frame-options
SAMEORIGIN
report-to
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content-type
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cache-control
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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
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345 B
777 B
Fetch
General
Full URL
https://brb.duolingo.com/0/web.json?user=0&ts=1719692081&tzoffset=2
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-74a2c064.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
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Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Accept
application/json; charset=UTF-8
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 29 Jun 2024 20:14:37 GMT
via
1.1 04d30d89cfeb7f513dc1f5b2d3c605d2.cloudfront.net (CloudFront)
server
AmazonS3
x-amz-cf-pop
FRA56-P8
age
3
access-control-max-age
3000
access-control-allow-methods
GET, HEAD
content-type
text/html; charset=utf-8
access-control-allow-origin
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x-cache
Error from cloudfront
vary
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access-control-allow-credentials
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content-length
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x-amz-cf-id
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778 B
Fetch
General
Full URL
https://zombie.duolingo.com/0/web.json?user=0&ts=1719692081&tzoffset=2
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-74a2c064.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.173.205.12 , United States, ASN16509 (AMAZON-02, US),
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Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Accept
application/json; charset=UTF-8
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 29 Jun 2024 20:14:38 GMT
via
1.1 1270eda8f49e8826b43258fcc9ef44d2.cloudfront.net (CloudFront)
server
AmazonS3
x-amz-cf-pop
FRA56-P12
age
2
access-control-max-age
3000
access-control-allow-methods
GET, HEAD
content-type
text/html; charset=utf-8
access-control-allow-origin
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x-cache
Error from cloudfront
vary
Origin,Access-Control-Request-Headers,Access-Control-Request-Method
access-control-allow-credentials
true
content-length
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x-amz-cf-id
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tracking-status
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1 KB
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General
Full URL
https://preview.duolingo.com/2017-06-30/tracking-status
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-74a2c064.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
44.220.104.173 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
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Software
duo-api /
Resource Hash
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Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
X-Amzn-Trace-Id
User=0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Content-Type
application/json; charset=UTF-8
Accept
application/json; charset=UTF-8
Referer
https://preview.duolingo.com/
X-Requested-With
XMLHttpRequest
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 29 Jun 2024 20:14:41 GMT
x-ws
UK
x-tid
ffff5e3b66806b230038
surrogate-control
no-store
x-duo-request-host
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x-envoy-upstream-service-time
22
content-length
2
pragma
no-cache
x-runtime
0.01983
server
duo-api
no-retry
1
access-control-max-age
1728000
access-control-allow-methods
GET, POST, OPTIONS, PATCH, PUT, DELETE
content-type
application/json; charset=UTF-8
access-control-allow-origin
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access-control-expose-headers
Cache-Control, Content-Length, Content-Type, Expires, No-Retry, Pragma, Surrogate-Control
cache-control
no-store, no-cache, must-revalidate, proxy-revalidate
access-control-allow-credentials
true
x-frame-options
SAMEORIGIN
access-control-allow-headers
, accept, accept-encoding, accept-language, authorization, cache-control, connection, content-type, dnt, host, if-modified-since, keep-alive, user-agent, x-requested-with
expires
0
config
preview.duolingo.com/2017-06-30/
3 KB
1 KB
Fetch
General
Full URL
https://preview.duolingo.com/2017-06-30/config?fields=ageRestrictionLimit,clientExperiments%7Bsfeat_web_clientside_experiment_test_fam,sfeat_web_clientside_experiment_test_fam_v2,path_web_smec_new_users%7D,featureFlags,ipCountry,speechHost&_=1719692081534
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-74a2c064.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
44.220.104.173 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-44-220-104-173.compute-1.amazonaws.com
Software
duo-api /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 1 ; mode=block

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
X-Amzn-Trace-Id
User=0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Accept
application/json; charset=UTF-8
Referer
https://preview.duolingo.com/
X-Requested-With
XMLHttpRequest
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Sat, 29 Jun 2024 20:14:41 GMT
content-encoding
br
x-content-type-options
nosniff
referrer-policy
no-referrer
server
duo-api
vary
Origin,Access-Control-Request-Method,Access-Control-Request-Headers
x-frame-options
DENY
content-type
application/json
x-duo-request-host
www.duolingo.com
cache-control
no-cache, no-store, max-age=0, must-revalidate
x-envoy-upstream-service-time
5
content-length
1014
x-xss-protection
1 ; mode=block
expires
0
batch
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34 B
311 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/663-5ea7c925.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.237.79.162 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-237-79-162.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-platform
"Win32"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Content-type
application/json

Response headers

date
Sat, 29 Jun 2024 20:14:41 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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173 KB
39 KB
Image
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/vendor/87938207afff1598611ba626a8c4827c.svg
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 16 Mar 2024 00:55:35 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
9141547
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x-amz-server-side-encryption
AES256
x-cache
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cache-control
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content-length
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Full URL
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Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 31 Dec 2023 22:04:04 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
15631838
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x-amz-server-side-encryption
AES256
x-cache
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content-type
image/svg+xml
cache-control
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accept-ranges
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content-length
2513
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Full URL
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Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 17 Jan 2024 15:14:54 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
14187588
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x-amz-server-side-encryption
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x-cache
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content-type
image/svg+xml
cache-control
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accept-ranges
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content-length
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Full URL
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Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 31 Dec 2023 22:04:04 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Fri, 29 Dec 2023 21:22:51 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
15631838
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x-amz-server-side-encryption
AES256
x-cache
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content-type
image/svg+xml
cache-control
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accept-ranges
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Full URL
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Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 11 Oct 2023 20:18:04 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
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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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content-length
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Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 31 May 2024 01:24:15 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Thu, 30 May 2024 23:48:01 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
2573427
etag
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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
35883
x-amz-cf-id
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12 KB
Image
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Full URL
https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/229d5f88cc9df2eb0b68f39466500911.svg
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 21 May 2024 06:49:52 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Mon, 20 May 2024 19:18:57 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
3417890
etag
"77692c4a4086cc3c3be4692be459bae4"
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
12272
x-amz-cf-id
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8 KB
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Full URL
https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/22fce01f6df43e0472d7585afad9a43a.svg
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 31 May 2024 01:25:23 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Thu, 30 May 2024 23:48:01 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
2573359
etag
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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
7732
x-amz-cf-id
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15 KB
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General
Full URL
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Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 13 Jan 2024 01:31:33 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Fri, 12 Jan 2024 22:23:52 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
14582589
etag
"59646d933829b76e9f05491dd82e9168"
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
15029
x-amz-cf-id
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14 KB
Image
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/41a326f8a1a43ee68ef5ea35988fd87b.svg
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 31 Dec 2023 22:04:04 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Fri, 29 Dec 2023 21:22:51 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
15631838
etag
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x-amz-server-side-encryption
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x-cache
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content-type
image/svg+xml
cache-control
max-age=315360000
accept-ranges
bytes
content-length
13803
x-amz-cf-id
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119 KB
17 KB
Image
General
Full URL
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Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 25 Dec 2023 14:10:24 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Fri, 15 Dec 2023 17:23:20 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
16178657
etag
"716ce07c484dc73bb7abe5b7ab6a7ae8"
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
16691
x-amz-cf-id
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141 KB
30 KB
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Full URL
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Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 11 Oct 2023 20:18:04 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Wed, 11 Oct 2023 19:37:56 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
22636598
etag
"64d1d8cdd55e21940f1ae1f5412069d1"
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
30564
x-amz-cf-id
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20 KB
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Full URL
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Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 11 Oct 2023 20:18:04 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Wed, 11 Oct 2023 19:37:56 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
22636598
etag
"6911312a736195f5bd9083a7d9993cad"
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
20489
x-amz-cf-id
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17 KB
Image
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/890eb76de9a395b182c1c28322721405.svg
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 11 Jan 2024 11:21:22 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Thu, 11 Jan 2024 08:32:13 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
14719999
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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34 B
311 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/663-5ea7c925.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.237.79.162 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-237-79-162.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-platform
"Win32"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Content-type
application/json

Response headers

date
Sat, 29 Jun 2024 20:14:41 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/
34 B
311 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/663-5ea7c925.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.237.79.162 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-237-79-162.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-platform
"Win32"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Content-type
application/json

Response headers

date
Sat, 29 Jun 2024 20:14:41 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
list
preview.duolingo.com/api/1/courses/
31 KB
4 KB
Fetch
General
Full URL
https://preview.duolingo.com/api/1/courses/list?_=1719692081552
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-74a2c064.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
44.220.104.173 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-44-220-104-173.compute-1.amazonaws.com
Software
duo-api /
Resource Hash
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Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
X-Amzn-Trace-Id
User=0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Accept
application/json; charset=UTF-8
Referer
https://preview.duolingo.com/
X-Requested-With
XMLHttpRequest
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Sat, 29 Jun 2024 20:14:41 GMT
content-encoding
gzip
x-runtime
0.03819
server
duo-api
x-ws
UK
no-retry
1
x-tid
ffff5dde66806adf01ae
surrogate-control
no-store
x-frame-options
SAMEORIGIN
content-type
application/json; charset=UTF-8
x-duo-request-host
www.duolingo.com
cache-control
no-store, no-cache, must-revalidate, proxy-revalidate
x-envoy-upstream-service-time
40
expires
0
batch
excess.duolingo.com/
34 B
311 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/663-5ea7c925.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.237.79.162 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-237-79-162.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash
26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-platform
"Win32"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Content-type
application/json

Response headers

date
Sat, 29 Jun 2024 20:14:41 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/
34 B
311 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/663-5ea7c925.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.237.79.162 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-237-79-162.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash
26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-platform
"Win32"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Content-type
application/json

Response headers

date
Sat, 29 Jun 2024 20:14:41 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/
34 B
311 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/663-5ea7c925.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.237.79.162 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-237-79-162.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash
26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-platform
"Win32"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Content-type
application/json

Response headers

date
Sat, 29 Jun 2024 20:14:41 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/
34 B
311 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/663-5ea7c925.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.237.79.162 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-237-79-162.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash
26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-platform
"Win32"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Content-type
application/json

Response headers

date
Sat, 29 Jun 2024 20:14:41 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
c6eae48dd48246c89e415b89f9e55282.svg
d35aaqx5ub95lt.cloudfront.net/images/splash/
345 B
627 B
Image
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/images/splash/c6eae48dd48246c89e415b89f9e55282.svg
Requested by
Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
9e4c89fc912d4b2e8ca8b69184c4720209cea9e7a49d587254b9275272e9ead3

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 09 Apr 2024 07:26:26 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Mon, 08 Apr 2024 15:47:27 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
7044496
etag
"46650a8f1735be1432fbd4689b40ba41"
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
236
x-amz-cf-id
BnqMEv7Iyn7RA4Qps5-iz2gvhMBmZz_QpRZn6h1pJ9eMW1ZhXqSCig==
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
54.237.79.162 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-237-79-162.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://preview.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

accept-encoding
gzip, identity
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods
POST, GET, OPTIONS
access-control-allow-origin
*
access-control-max-age
3600
allow
GET, HEAD, POST, TRACE, OPTIONS
content-length
0
date
Sat, 29 Jun 2024 20:14:41 GMT
server
Jetty(9.4.53.v20231009)
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
54.237.79.162 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-237-79-162.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://preview.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

accept-encoding
gzip, identity
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods
POST, GET, OPTIONS
access-control-allow-origin
*
access-control-max-age
3600
allow
GET, HEAD, POST, TRACE, OPTIONS
content-length
0
date
Sat, 29 Jun 2024 20:14:41 GMT
server
Jetty(9.4.53.v20231009)
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
54.237.79.162 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-237-79-162.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://preview.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

accept-encoding
gzip, identity
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods
POST, GET, OPTIONS
access-control-allow-origin
*
access-control-max-age
3600
allow
GET, HEAD, POST, TRACE, OPTIONS
content-length
0
date
Sat, 29 Jun 2024 20:14:41 GMT
server
Jetty(9.4.53.v20231009)
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
54.237.79.162 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-237-79-162.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://preview.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

accept-encoding
gzip, identity
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods
POST, GET, OPTIONS
access-control-allow-origin
*
access-control-max-age
3600
allow
GET, HEAD, POST, TRACE, OPTIONS
content-length
0
date
Sat, 29 Jun 2024 20:14:41 GMT
server
Jetty(9.4.53.v20231009)
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
54.237.79.162 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-237-79-162.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://preview.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

accept-encoding
gzip, identity
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods
POST, GET, OPTIONS
access-control-allow-origin
*
access-control-max-age
3600
allow
GET, HEAD, POST, TRACE, OPTIONS
content-length
0
date
Sat, 29 Jun 2024 20:14:41 GMT
server
Jetty(9.4.53.v20231009)
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
54.237.79.162 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-237-79-162.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://preview.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

accept-encoding
gzip, identity
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods
POST, GET, OPTIONS
access-control-allow-origin
*
access-control-max-age
3600
allow
GET, HEAD, POST, TRACE, OPTIONS
content-length
0
date
Sat, 29 Jun 2024 20:14:41 GMT
server
Jetty(9.4.53.v20231009)
anchor
www.recaptcha.net/recaptcha/enterprise/ Frame 0F06
0
0
Document
General
Full URL
https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly9wcmV2aWV3LmR1b2xpbmdvLmNvbTo0NDM.&hl=de&v=rKbTvxTxwcw5VqzrtN-ICwWt&size=invisible&cb=sk3kxjmwk5ow
Requested by
Host: www.gstatic.com
URL: https://www.gstatic.com/recaptcha/releases/rKbTvxTxwcw5VqzrtN-ICwWt/recaptcha__de.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:809::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
GSE /
Resource Hash
Security Headers
Name Value
Content-Security-Policy script-src 'report-sample' 'nonce-CzPeDI6MO9hsvZZ4-uEKvg' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/recaptcha/1
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Referer
https://preview.duolingo.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control
no-cache, no-store, max-age=0, must-revalidate
content-encoding
gzip
content-security-policy
script-src 'report-sample' 'nonce-CzPeDI6MO9hsvZZ4-uEKvg' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/recaptcha/1
content-type
text/html; charset=utf-8
cross-origin-embedder-policy
require-corp
cross-origin-resource-policy
cross-origin
date
Sat, 29 Jun 2024 20:14:42 GMT
expires
Mon, 01 Jan 1990 00:00:00 GMT
pragma
no-cache
report-to
{"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
server
GSE
x-content-type-options
nosniff
x-xss-protection
1; mode=block
otBannerSdk.js
cdn.cookielaw.org/scripttemplates/202404.1.0/
448 KB
109 KB
Script
General
Full URL
https://cdn.cookielaw.org/scripttemplates/202404.1.0/otBannerSdk.js
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6813:b234 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
49cfbb9c8b20fbaab3a11bcecb48fb8448e617a746fa578baca0dc71a7e06540
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-ms-blob-type
BlockBlob
date
Sat, 29 Jun 2024 20:14:41 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
lAa4newgeifCObgQn9TUrg==
age
21905
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
111087
x-ms-lease-status
unlocked
last-modified
Tue, 11 Jun 2024 01:45:16 GMT
server
cloudflare
etag
0x8DC89B824C49CB5
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
3de70c5d-f01e-001e-1d08-bc9b84000000
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
89b895983d63361e-FRA
de.json
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86 KB
22 KB
Fetch
General
Full URL
https://cdn.cookielaw.org/consent/55a7f100-001e-4085-87ec-1a6d522f7d67/e43d2735-b44f-43da-ae8a-a4f881b04152/de.json
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/202404.1.0/otBannerSdk.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6813:b234 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
4c8f8d30661560a0ab4f1f4f6db75fb54d2983b866f2d0ef795f754ea323a85e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-ms-blob-type
BlockBlob
date
Sat, 29 Jun 2024 20:14:42 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-md5
idA/Sl8yxbAugIkmzzHudg==
content-length
22066
x-ms-lease-status
unlocked
last-modified
Thu, 25 Apr 2024 15:36:13 GMT
server
cloudflare
etag
0x8DC653D7081EF34
vary
Accept-Encoding
content-type
application/x-javascript
access-control-allow-origin
*
x-ms-request-id
8c410974-301e-0021-6d3f-ac2c58000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
public, max-age=86400
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
89b8959b5d3b3a9c-FRA
expires
Sun, 30 Jun 2024 20:14:42 GMT
style
accounts.google.com/gsi/
533 B
608 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 require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, script-src 'report-sample' 'nonce-19fP23XwMWuqjR2bbXtBvw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 29 Jun 2024 20:14:42 GMT
content-security-policy
require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, script-src 'report-sample' 'nonce-19fP23XwMWuqjR2bbXtBvw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
content-encoding
gzip
x-content-type-options
nosniff
server
ESF
x-frame-options
SAMEORIGIN
report-to
{"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
Sat, 29 Jun 2024 20:14:42 GMT
favicon.ico
d35aaqx5ub95lt.cloudfront.net/
15 KB
4 KB
Other
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:21f3:8400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
587ed3e3a94f04264f02bf6e21798c8ca32de7b7f22d30cfc667224741c4a3c2

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 07 Jan 2024 11:46:57 GMT
content-encoding
gzip
via
1.1 03d509e8374e9f42668961b5e0201348.cloudfront.net (CloudFront)
last-modified
Fri, 05 Jan 2024 20:56:28 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
age
15064066
etag
"80b0487df87a85d16882eb991ce89431"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
image/vnd.microsoft.icon
cache-control
max-age=315360000
accept-ranges
bytes
content-length
3407
x-amz-cf-id
JD_pOcyihckDKE5UnDjTAsAmLCvG1rwWhukZH23FQkUBY8BM5CErVQ==
otFlat.json
cdn.cookielaw.org/scripttemplates/202404.1.0/assets/
13 KB
3 KB
Fetch
General
Full URL
https://cdn.cookielaw.org/scripttemplates/202404.1.0/assets/otFlat.json
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/202404.1.0/otBannerSdk.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6813:b234 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f4aaa18c55c90588c5e828e56dcc6b2cb0acf9a4280494c7d1a53fc5e3669112
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-ms-blob-type
BlockBlob
date
Sat, 29 Jun 2024 20:14:42 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
CeHoS/yftP1uT8S/ram0PA==
age
61655
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
3041
x-ms-lease-status
unlocked
last-modified
Tue, 11 Jun 2024 01:45:09 GMT
server
cloudflare
etag
0x8DC89B82072D3A9
vary
Accept-Encoding
content-type
application/json
access-control-allow-origin
*
x-ms-request-id
8028e253-701e-0026-2e53-bcdadd000000
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
89b8959c1e3d3a9c-FRA
otCommonStyles.css
cdn.cookielaw.org/scripttemplates/202404.1.0/assets/
24 KB
4 KB
Fetch
General
Full URL
https://cdn.cookielaw.org/scripttemplates/202404.1.0/assets/otCommonStyles.css
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/202404.1.0/otBannerSdk.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6813:b234 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
06c0edbfc1b871fb45195265f5faad3e23191305f6ff2125557a9fbc287c8992
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-ms-blob-type
BlockBlob
date
Sat, 29 Jun 2024 20:14:42 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
content-encoding
gzip
content-md5
4ErYmXXFNbMLrnc9DrDTsg==
age
1269
x-ms-lease-status
unlocked
last-modified
Tue, 11 Jun 2024 01:45:22 GMT
server
cloudflare
vary
Accept-Encoding
content-type
text/css
access-control-allow-origin
*
x-ms-request-id
abb7dc3e-401e-008f-1f32-bc0f35000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,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
cf-ray
89b8959c1e3f3a9c-FRA
batch
excess.duolingo.com/
34 B
311 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/663-5ea7c925.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.237.79.162 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-237-79-162.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash
26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-platform
"Win32"
Referer
https://preview.duolingo.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Content-type
application/json

Response headers

date
Sat, 29 Jun 2024 20:14:42 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

Verdicts & Comments Add Verdict or Comment

52 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 undefined| event object| fence object| sharedStorage object| OneTrustStub function| OptanonWrapper object| duo object| webpackChunk boolean| supportsAbortController boolean| supportsElementAnimate boolean| supportsES2015 boolean| supportsEs2019 boolean| supportsIntersectionObserver boolean| supportsWebAssembly boolean| supportsResizeObserver object| features boolean| isAbc object| HIDE_APP_SMART_BANNER_PATH undefined| el object| ___grecaptcha_cfg object| grecaptcha string| __recaptcha_api boolean| __google_recaptcha_client function| _ function| _fs_ready object| dataLayer number| __NUMBER_OF_JOTAI_INSTANCES__ function| ga object| gaDevIds object| gaplugins string| __reactRouterVersion function| HowlerGlobal object| Howler function| Howl function| Sound object| __SENTRY__ function| onGoogleLibraryLoad object| recaptcha object| closure_lm_309377 string| OnetrustActiveGroups string| OptanonActiveGroups object| otStubData object| google_tag_manager object| google_tag_data object| default_gsi object| _F_toggles object| google object| closure_lm_821163 object| __G_ID_CLIENT__ object| Optanon object| OneTrust

12 Cookies

Domain/Path Name / Value
.duolingo.com/ Name: logged_out_uuid
Value: b2592e78-19fb-40df-b92c-14b807948c94
.duolingo.com/ Name: lang
Value: de
.duolingo.com/ Name: duocsexp3
Value: course_splash_redesign~control~
preview.duolingo.com/ Name: wuuid
Value: 85c118b7-19ff-4f85-9124-68764b48e80c
.duolingo.com/ Name: tsl
Value: 1719692081464
.duolingo.com/ Name: lu
Value: https://preview.duolingo.com/
.duolingo.com/ Name: initial_referrer
Value: $direct
.duolingo.com/ Name: lr
Value:
.duolingo.com/ Name: lp
Value: splash
preview.duolingo.com/ Name: AWSALB
Value: 6j8fsVUVKI3p8dwEA6CX6vv3NvGfMBJkZCV6iyAwBEuO2D3RyvB2Id0AVDB8tGYJHYOferX5/5/VmK0s445WkDnYOtczFiAalcp7e5jVndI3g850DJG8dD6F0RI1
preview.duolingo.com/ Name: AWSALBCORS
Value: 6j8fsVUVKI3p8dwEA6CX6vv3NvGfMBJkZCV6iyAwBEuO2D3RyvB2Id0AVDB8tGYJHYOferX5/5/VmK0s445WkDnYOtczFiAalcp7e5jVndI3g850DJG8dD6F0RI1
.duolingo.com/ Name: OptanonConsent
Value: isGpcEnabled=0&datestamp=Sat+Jun+29+2024+22%3A14%3A42+GMT%2B0200+(Mitteleurop%C3%A4ische+Sommerzeit)&version=202404.1.0&browserGpcFlag=0&isIABGlobal=false&hosts=&consentId=c0cf3b84-42c5-4958-8276-8b57f18cedd6&interactionCount=0&isAnonUser=1&landingPath=https%3A%2F%2Fpreview.duolingo.com%2F&groups=C0001%3A1%2CC0002%3A0%2CC0003%3A0%2CC0004%3A0

2 Console Messages

Source Level URL
Text
network error URL: https://brb.duolingo.com/0/web.json?user=0&ts=1719692081&tzoffset=2
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://zombie.duolingo.com/0/web.json?user=0&ts=1719692081&tzoffset=2
Message:
Failed to load resource: the server responded with a status of 404 ()

Security Headers

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

Header Value
X-Frame-Options SAMEORIGIN

Indicators

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

accounts.google.com
brb.duolingo.com
cdn.cookielaw.org
d35aaqx5ub95lt.cloudfront.net
excess.duolingo.com
geolocation.onetrust.com
preview.duolingo.com
www.googletagmanager.com
www.gstatic.com
www.recaptcha.net
zombie.duolingo.com
18.173.205.12
18.245.31.39
2600:9000:21f3:8400:7:60cd:e840:21
2606:4700:4400::6812:2089
2606:4700::6813:b234
2a00:1450:4001:809::2003
2a00:1450:4001:827::2008
2a00:1450:4001:82a::2003
2a00:1450:400c:c0a::54
44.220.104.173
54.237.79.162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7b9f5e5f79be77c1e4393e266c5a450fdcd9e2ed419e15bb09f1d013337757fd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c727496e8907f690eb2e9d760d23d494de69c15af08a4a4d1d2dda2f138650a9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