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

Go To Rescan Add Verdict Report
URL: https://www.duolingo.com/
Submission: On August 28 via manual from CZ — Scanned from CA
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 18 IPs in 2 countries across 14 domains to perform 108 HTTP transactions. The main IP is 3.221.178.143, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is www.duolingo.com. The Cisco Umbrella rank of the primary domain is 41308.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on November 21st 2023. Valid for: a year.
This is the only time www.duolingo.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
4 3.221.178.143 14618 (AMAZON-AES)
5 104.18.87.42 13335 (CLOUDFLAR...)
2 142.251.40.99 15169 (GOOGLE)
61 18.238.59.125 16509 (AMAZON-02)
1 142.250.65.195 15169 (GOOGLE)
1 172.64.155.119 13335 (CLOUDFLAR...)
3 142.250.65.200 15169 (GOOGLE)
2 172.253.62.84 15169 (GOOGLE)
1 108.139.47.46 16509 (AMAZON-02)
15 3.220.238.20 14618 (AMAZON-AES)
2 142.250.80.46 15169 (GOOGLE)
2 157.240.241.1 32934 (FACEBOOK)
1 216.239.38.181 15169 (GOOGLE)
1 142.251.167.154 15169 (GOOGLE)
2 142.250.80.66 15169 (GOOGLE)
1 142.250.65.226 15169 (GOOGLE)
2 31.13.71.36 32934 (FACEBOOK)
108 18
4    3.221.178.143 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-3-221-178-143.compute-1.amazonaws.com
www.duolingo.com
5    104.18.87.42 (None, )

ASN13335 (CLOUDFLARENET, US)
cdn.cookielaw.org
2    142.251.40.99 (Queens, United States)

ASN15169 (GOOGLE, US)
PTR: lga25s79-in-f3.1e100.net
www.recaptcha.net
61    18.238.59.125 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-238-59-125.jfk52.r.cloudfront.net
d35aaqx5ub95lt.cloudfront.net
1    142.250.65.195 (Plainview, United States)

ASN15169 (GOOGLE, US)
PTR: lga25s72-in-f3.1e100.net
www.gstatic.com
1    172.64.155.119 (None, )

ASN13335 (CLOUDFLARENET, US)
geolocation.onetrust.com
3    142.250.65.200 (Plainview, United States)

ASN15169 (GOOGLE, US)
PTR: lga25s72-in-f8.1e100.net
www.googletagmanager.com
2    172.253.62.84 (United States)

ASN15169 (GOOGLE, US)
PTR: bc-in-f84.1e100.net
accounts.google.com
1    108.139.47.46 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-108-139-47-46.jfk50.r.cloudfront.net
zombie.duolingo.com
15    3.220.238.20 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-3-220-238-20.compute-1.amazonaws.com
excess.duolingo.com
2    142.250.80.46 (Plainview, United States)

ASN15169 (GOOGLE, US)
PTR: lga34s34-in-f14.1e100.net
www.google-analytics.com
2    157.240.241.1 (Secaucus, United States)

ASN32934 (FACEBOOK, US)
PTR: xx-fbcdn-shv-02-lga3.fbcdn.net
connect.facebook.net
1    216.239.38.181 (United States)

ASN15169 (GOOGLE, US)
analytics.google.com
1    142.251.167.154 (Farmingdale, United States)

ASN15169 (GOOGLE, US)
PTR: ww-in-f154.1e100.net
stats.g.doubleclick.net
2    142.250.80.66 (Plainview, United States)

ASN15169 (GOOGLE, US)
PTR: lga34s35-in-f2.1e100.net
td.doubleclick.net
1    142.250.65.226 (Plainview, United States)

ASN15169 (GOOGLE, US)
PTR: lga25s73-in-f2.1e100.net
www.googleadservices.com
2    31.13.71.36 (Secaucus, United States)

ASN32934 (FACEBOOK, US)
PTR: edge-star-mini-shv-01-lga3.facebook.com
www.facebook.com
Apex Domain
Subdomains		 Transfer
61 cloudfront.net
d35aaqx5ub95lt.cloudfront.net
2 MB
20 duolingo.com
www.duolingo.com — Cisco Umbrella Rank: 41308
zombie.duolingo.com — Cisco Umbrella Rank: 6660
excess.duolingo.com — Cisco Umbrella Rank: 6938
16 KB
5 cookielaw.org
cdn.cookielaw.org — Cisco Umbrella Rank: 554
143 KB
3 doubleclick.net
stats.g.doubleclick.net — Cisco Umbrella Rank: 252
td.doubleclick.net — Cisco Umbrella Rank: 481
googleads.g.doubleclick.net Failed
255 B
3 google.com
accounts.google.com — Cisco Umbrella Rank: 46
analytics.google.com — Cisco Umbrella Rank: 238
87 KB
3 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 112
305 KB
2 facebook.com
www.facebook.com — Cisco Umbrella Rank: 108
3 KB
2 facebook.net
connect.facebook.net — Cisco Umbrella Rank: 236
71 KB
2 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 104
21 KB
2 recaptcha.net
www.recaptcha.net — Cisco Umbrella Rank: 1812
1 KB
1 googleadservices.com
www.googleadservices.com — Cisco Umbrella Rank: 176
3 KB
1 onetrust.com
geolocation.onetrust.com — Cisco Umbrella Rank: 1019
306 B
1 gstatic.com
www.gstatic.com
213 KB
0 google.ca Failed
www.google.ca Failed
108 14
Domain Requested by
61 d35aaqx5ub95lt.cloudfront.net www.duolingo.com
d35aaqx5ub95lt.cloudfront.net
15 excess.duolingo.com d35aaqx5ub95lt.cloudfront.net
5 cdn.cookielaw.org www.duolingo.com
cdn.cookielaw.org
4 www.duolingo.com d35aaqx5ub95lt.cloudfront.net
3 www.googletagmanager.com d35aaqx5ub95lt.cloudfront.net
www.googletagmanager.com
2 www.facebook.com
2 td.doubleclick.net www.googletagmanager.com
2 connect.facebook.net www.duolingo.com
connect.facebook.net
2 www.google-analytics.com www.googletagmanager.com
www.google-analytics.com
2 accounts.google.com d35aaqx5ub95lt.cloudfront.net
accounts.google.com
2 www.recaptcha.net www.duolingo.com
www.gstatic.com
1 www.googleadservices.com www.googletagmanager.com
1 stats.g.doubleclick.net www.googletagmanager.com
1 analytics.google.com www.googletagmanager.com
1 zombie.duolingo.com d35aaqx5ub95lt.cloudfront.net
1 geolocation.onetrust.com cdn.cookielaw.org
1 www.gstatic.com www.recaptcha.net
0 googleads.g.doubleclick.net Failed
0 www.google.ca Failed
108 19
Subject Issuer Validity Valid
*.duolingo.com
Go Daddy Secure Certificate Authority - G2		 2023-11-21 -
2024-12-22		 a year crt.sh
cookielaw.org
WE1		 2024-08-13 -
2024-11-11		 3 months crt.sh
misc.google.com
WR2		 2024-07-30 -
2024-10-22		 3 months crt.sh
*.cloudfront.net
Amazon RSA 2048 M01		 2024-07-30 -
2025-07-03		 a year crt.sh
*.gstatic.com
WR2		 2024-07-30 -
2024-10-22		 3 months crt.sh
geolocation.onetrust.com
WE1		 2024-08-13 -
2024-11-11		 3 months crt.sh
*.google-analytics.com
WR2		 2024-07-30 -
2024-10-22		 3 months crt.sh
accounts.google.com
WR2		 2024-07-30 -
2024-10-22		 3 months crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA		 2024-06-06 -
2024-09-04		 3 months crt.sh
*.google.com
WR2		 2024-07-30 -
2024-10-22		 3 months crt.sh
*.g.doubleclick.net
WR2		 2024-07-30 -
2024-10-22		 3 months crt.sh
*.doubleclick.net
WR2		 2024-07-30 -
2024-10-22		 3 months crt.sh
*.googleadservices.com
WR2		 2024-07-30 -
2024-10-22		 3 months crt.sh

This page contains 4 frames:

Primary Page: https://www.duolingo.com/
Frame ID: 25405973949BBF19B97EADDCECE0B099
Requests: 99 HTTP requests in this frame

Frame: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY29tOjQ0Mw..&hl=en&v=i7X0JrnYWy9Y_5EYdoFM79kV&size=invisible&cb=qba8djja5be8
Frame ID: C96DA6AF7E752D69FB3BC6B25B258981
Requests: 1 HTTP requests in this frame

Frame: https://td.doubleclick.net/td/ga/rul?tid=G-CSFDVCPQ4F&gacid=897508148.1724867813&gtm=45je48r0v899653930z8811879556za200zb811879556&dma=0&gcd=13l3l3l3l1l1&npa=0&pscdl=noapi&_ng=1&aip=1&fledge=1&frm=0&tag_exp=0&z=909557125
Frame ID: B820FE9DACED72FBF21474E4E6605CB3
Requests: 1 HTTP requests in this frame

Frame: https://td.doubleclick.net/td/rul/397119219?random=1724867812967&cv=11&fst=1724867812967&fmt=3&bg=ffffff&guid=ON&async=1&gtm=45be48r0v9181788653z8811879556za201zb811879556&gcd=13l3l3l3l1l1&dma=0&tag_exp=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.duolingo.com%2F&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&tiba=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&value=1&bttype=purchase&npa=0&pscdl=noapi&auid=1192701266.1724867813&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&fledge=1&capi=1&ct_cookie_present=0
Frame ID: BC5FE902D56E5FAE423D2CB20E919F33
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Duolingo - The world's best way to learn a language

Detected technologies

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

Page Statistics

108
Requests

98 %
HTTPS

0 %
IPv6

14
Domains

19
Subdomains

18
IPs

2
Countries

2863 kB
Transfer

12964 kB
Size

18
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

108 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
www.duolingo.com/ 		10 KB
4 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://www.duolingo.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.221.178.143 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-221-178-143.compute-1.amazonaws.com
Software
duo-api /
Resource Hash
f933526e6f564955b772a97fd3429928b7559dc7f361f023059e1c0b7152c850
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 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
Wed, 28 Aug 2024 17:56:47 GMT
expires
0
no-retry
1
pragma
no-cache
server
duo-api
surrogate-control
no-store
x-duo-request-host
www.duolingo.com
x-envoy-upstream-service-time
35
x-frame-options
SAMEORIGIN
x-runtime
0.03340
x-tid
ffff7c1e66cf644c03a9
x-ws
UK
otSDKStub.js
cdn.cookielaw.org/scripttemplates/ 		21 KB
7 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.18.87.42 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
50377d1d3e7dcb2c8298feb8d2505099df1957e3700a358b993b4cf443fd36e8
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Wed, 28 Aug 2024 17:56:48 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
p+39a+/XEcZfNKybQjgXjA==
age
10359
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
6882
x-ms-lease-status
unlocked
last-modified
Tue, 27 Aug 2024 16:02:39 GMT
server
cloudflare
etag
0x8DCC6B1ACC94F09
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
f9f85f30-601e-00f9-7eb1-f8596a000000
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
public, max-age=86400
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
8ba62e1a3c43b409-YYZ
expires
Thu, 29 Aug 2024 15:04:09 GMT
enterprise.js
www.recaptcha.net/recaptcha/ 		2 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.recaptcha.net/recaptcha/enterprise.js?render=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.251.40.99 Queens, United States, ASN15169 (GOOGLE, US),
Reverse DNS
lga25s79-in-f3.1e100.net
Software
GSE /
Resource Hash
dfb7305f5391ee19713b3770e351cd969ff58d918d275e86da0d002f6922d552
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

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 17:56:48 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
Wed, 28 Aug 2024 17:56:48 GMT
manifest-49da776e.js
d35aaqx5ub95lt.cloudfront.net/js/ 		12 KB
6 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/manifest-49da776e.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.238.59.125 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-238-59-125.jfk52.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
83dcb9612536e981308e9ab9490b7b915dcc30a97d39da5aedc1efe7ec62959c

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 21 Aug 2024 20:57:12 GMT
content-encoding
gzip
via
1.1 2c8fc98e914dd92124c9f02bae44cffc.cloudfront.net (CloudFront)
last-modified
Wed, 21 Aug 2024 20:12:22 GMT
server
AmazonS3
x-amz-cf-pop
JFK52-P4
age
593977
etag
"3ccb0206b4aed9ea709cd1f6f5d02951"
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
5990
x-amz-cf-id
byZyZoInIpjCRzTaPiCgmMEAj-zorbCjVoakRXhlOYQuSJRvQ2Ivxw==
features-91ec4487.js
d35aaqx5ub95lt.cloudfront.net/js/ 		3 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/features-91ec4487.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.238.59.125 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-238-59-125.jfk52.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
f2d4ab9d2dff0e7dce8e81c2f13c53db9fdacb6c16445e7188176e06ca638317

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Fri, 02 Aug 2024 09:14:13 GMT
content-encoding
gzip
via
1.1 2c8fc98e914dd92124c9f02bae44cffc.cloudfront.net (CloudFront)
last-modified
Thu, 01 Aug 2024 20:03:39 GMT
server
AmazonS3
x-amz-cf-pop
JFK52-P4
age
2277756
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
mGGp9ydS1sCQK4WMGPlpa6wOlQm5EmxSBnK17s2MxyYrCguugpns_A==
8553-a0eeda7a.js
d35aaqx5ub95lt.cloudfront.net/js/ 		24 KB
9 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/8553-a0eeda7a.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.238.59.125 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-238-59-125.jfk52.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
9179ef7271b73ff2bda6115717edd59c35b5516a59e75a84b80210f05657cdec

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 14 Aug 2024 07:26:04 GMT
content-encoding
gzip
via
1.1 2c8fc98e914dd92124c9f02bae44cffc.cloudfront.net (CloudFront)
last-modified
Tue, 13 Aug 2024 17:46:39 GMT
server
AmazonS3
x-amz-cf-pop
JFK52-P4
age
1247445
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
gb1TSUlr-C6SLc4ngwZkTmVDLoC0ZKeTOggWwqmna50uAJLg99zXyg==
polyfills-d1e2cb95.js
d35aaqx5ub95lt.cloudfront.net/js/ 		371 B
626 B 		Script
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/polyfills-d1e2cb95.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.238.59.125 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-238-59-125.jfk52.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
cfff8569bb27bee3dcbccaba435f5f8eb724b8052d64ab2d89c5c31f172813c8

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Fri, 02 Aug 2024 09:14:13 GMT
content-encoding
gzip
via
1.1 2c8fc98e914dd92124c9f02bae44cffc.cloudfront.net (CloudFront)
last-modified
Thu, 01 Aug 2024 20:03:39 GMT
server
AmazonS3
x-amz-cf-pop
JFK52-P4
age
2277756
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
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General
Check archive.org
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General
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https://d35aaqx5ub95lt.cloudfront.net/js/strings/en-787e9871.js
Requested by
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Full URL
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Download Go to
Full URL
https://geolocation.onetrust.com/cookieconsentpub/v1/geo/location
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Full URL
https://d35aaqx5ub95lt.cloudfront.net/vendor/8df26391f330be315074ddd7b74b66b8.woff2
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Full URL
data:truncated
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Response headers

Content-Type
text/javascript
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General
Check archive.org
Download Go to
Full URL
https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY29tOjQ0Mw..&hl=en&v=i7X0JrnYWy9Y_5EYdoFM79kV&size=invisible&cb=qba8djja5be8
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H2
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Request headers

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https://www.duolingo.com/
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1
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Response headers

alt-svc
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cache-control
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expires
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Wed, 28 Aug 2024 17:56:48 GMT
via
1.1 fa46ec88710e6374e08eeaa473342090.cloudfront.net (CloudFront)
server
AmazonS3
x-amz-cf-pop
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age
1
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access-control-allow-methods
GET, HEAD
content-type
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x-cache
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vary
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1 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.duolingo.com/2017-06-30/tracking-status
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-98556e8a.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.221.178.143 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software
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Security Headers
Name Value
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Request headers

Accept
application/json; charset=UTF-8
Referer
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X-Requested-With
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X-Amzn-Trace-Id
User=0
User-Agent
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Content-Type
application/json; charset=UTF-8

Response headers

date
Wed, 28 Aug 2024 17:56:49 GMT
x-ws
UK
x-tid
ffff7cac66cf64d60045
surrogate-control
no-store
x-duo-request-host
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content-length
2
pragma
no-cache
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server
duo-api
no-retry
1
access-control-max-age
1728000
access-control-allow-methods
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content-type
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access-control-expose-headers
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cache-control
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true
x-frame-options
SAMEORIGIN
access-control-allow-headers
, accept, accept-encoding, accept-language, authorization, cache-control, connection, content-type, dnt, host, if-modified-since, keep-alive, user-agent, x-requested-with
expires
0
config
www.duolingo.com/2017-06-30/ 		3 KB
1 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.duolingo.com/2017-06-30/config?fields=ageRestrictionLimit,clientExperiments%7Bsfeat_web_clientside_experiment_test_fam,sfeat_web_clientside_experiment_test_fam_v2,path_web_smec_new_users%7D,featureFlags,ipCountry,speechHost&_=1724867809126
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-98556e8a.js
Protocol
H2
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TLS 1.2, ECDHE_RSA, AES_128_GCM
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duo-api /
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Security Headers
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Request headers

Accept
application/json; charset=UTF-8
Referer
https://www.duolingo.com/
X-Requested-With
XMLHttpRequest
X-Amzn-Trace-Id
User=0
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 28 Aug 2024 17:56:49 GMT
content-encoding
br
x-content-type-options
nosniff
referrer-policy
no-referrer
server
duo-api
vary
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x-frame-options
DENY
content-type
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cache-control
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5
content-length
1018
x-xss-protection
1 ; mode=block
expires
0
batch
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311 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/1189-63944f2c.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.220.238.20 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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ec2-3-220-238-20.compute-1.amazonaws.com
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Content-type
application/json

Response headers

date
Wed, 28 Aug 2024 17:56:49 GMT
accept-encoding
gzip, identity
server
Jetty(9.4.53.v20231009)
access-control-max-age
3600
access-control-allow-methods
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https://d35aaqx5ub95lt.cloudfront.net/vendor/87938207afff1598611ba626a8c4827c.svg
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.238.59.125 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
AmazonS3 /
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 24 Jul 2024 09:21:02 GMT
content-encoding
gzip
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AmazonS3
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https://d35aaqx5ub95lt.cloudfront.net/images/splash/f92d5f2f7d56636846861c458c0d0b6c.svg
Requested by
Host: www.duolingo.com
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.238.59.125 , United States, ASN16509 (AMAZON-02, US),
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Software
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 06 Aug 2024 10:25:25 GMT
content-encoding
gzip
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server
AmazonS3
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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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content-length
2513
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.238.59.125 , United States, ASN16509 (AMAZON-02, US),
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Software
AmazonS3 /
Resource Hash
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Fri, 02 Aug 2024 09:36:16 GMT
content-encoding
gzip
via
1.1 2c8fc98e914dd92124c9f02bae44cffc.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
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2276434
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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
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40 KB 		Image
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.238.59.125 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
AmazonS3 /
Resource Hash
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 14 Aug 2024 08:30:26 GMT
content-encoding
gzip
via
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last-modified
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server
AmazonS3
x-amz-cf-pop
JFK52-P4
age
1243584
etag
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x-amz-server-side-encryption
AES256
x-cache
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content-type
image/svg+xml
cache-control
max-age=315360000
accept-ranges
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content-length
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122 KB 		Image
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.238.59.125 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-238-59-125.jfk52.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 09:28:42 GMT
content-encoding
gzip
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1.1 2c8fc98e914dd92124c9f02bae44cffc.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
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age
2363288
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"c79222ff5a59f806b52f54bd8fc1324b"
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
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x-amz-cf-id
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35 KB 		Image
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.238.59.125 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-238-59-125.jfk52.r.cloudfront.net
Software
AmazonS3 /
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 09:59:55 GMT
content-encoding
gzip
via
1.1 2c8fc98e914dd92124c9f02bae44cffc.cloudfront.net (CloudFront)
last-modified
Wed, 31 Jul 2024 20:16:30 GMT
server
AmazonS3
x-amz-cf-pop
JFK52-P4
age
2361415
etag
"f1e767970ed039c9ff11e3cddc6fd82d"
x-amz-server-side-encryption
AES256
x-cache
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content-type
image/svg+xml
cache-control
max-age=315360000
accept-ranges
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content-length
35883
x-amz-cf-id
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12 KB 		Image
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.238.59.125 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-238-59-125.jfk52.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 11:30:01 GMT
content-encoding
gzip
via
1.1 2c8fc98e914dd92124c9f02bae44cffc.cloudfront.net (CloudFront)
last-modified
Wed, 31 Jul 2024 20:16:30 GMT
server
AmazonS3
x-amz-cf-pop
JFK52-P4
age
2356009
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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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.238.59.125 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-238-59-125.jfk52.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 09:59:55 GMT
content-encoding
gzip
via
1.1 2c8fc98e914dd92124c9f02bae44cffc.cloudfront.net (CloudFront)
last-modified
Wed, 31 Jul 2024 20:16:30 GMT
server
AmazonS3
x-amz-cf-pop
JFK52-P4
age
2361414
etag
"acb36aa3e49a21f50c4ff5a47fc46a4e"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
image/svg+xml
cache-control
max-age=315360000
accept-ranges
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content-length
7732
x-amz-cf-id
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15 KB 		Image
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.238.59.125 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-238-59-125.jfk52.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 14 Aug 2024 11:27:30 GMT
content-encoding
gzip
via
1.1 2c8fc98e914dd92124c9f02bae44cffc.cloudfront.net (CloudFront)
last-modified
Tue, 13 Aug 2024 17:46:37 GMT
server
AmazonS3
x-amz-cf-pop
JFK52-P4
age
1232960
etag
"59646d933829b76e9f05491dd82e9168"
x-amz-server-side-encryption
AES256
x-cache
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content-type
image/svg+xml
cache-control
max-age=315360000
accept-ranges
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content-length
15029
x-amz-cf-id
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14 KB 		Image
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https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/41a326f8a1a43ee68ef5ea35988fd87b.svg
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
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Full URL
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Full URL
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content-encoding
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Download Go to
Full URL
https://excess.duolingo.com/batch
Requested by
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date
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accept-encoding
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311 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Requested by
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date
Wed, 28 Aug 2024 17:56:49 GMT
accept-encoding
gzip, identity
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General
Check archive.org
Download Go to
Full URL
https://www.duolingo.com/api/1/courses/list?_=1724867809184
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General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
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date
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311 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
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date
Wed, 28 Aug 2024 17:56:49 GMT
accept-encoding
gzip, identity
server
Jetty(9.4.53.v20231009)
access-control-max-age
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excess.duolingo.com/ 		34 B
311 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
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H2
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date
Wed, 28 Aug 2024 17:56:49 GMT
accept-encoding
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Jetty(9.4.53.v20231009)
access-control-max-age
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Content-Type, Access-Control-Allow-Headers, Authorization
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34
batch
excess.duolingo.com/ 		34 B
311 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/1189-63944f2c.js
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date
Wed, 28 Aug 2024 17:56:49 GMT
accept-encoding
gzip, identity
server
Jetty(9.4.53.v20231009)
access-control-max-age
3600
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General
Check archive.org
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Full URL
https://d35aaqx5ub95lt.cloudfront.net/images/splash/c6eae48dd48246c89e415b89f9e55282.svg
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
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General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.220.238.20 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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date
Wed, 28 Aug 2024 17:56:49 GMT
server
Jetty(9.4.53.v20231009)
batch
excess.duolingo.com/ Frame 		0
0 		Preflight
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.220.238.20 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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ec2-3-220-238-20.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
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Request headers

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gzip, identity
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Wed, 28 Aug 2024 17:56:49 GMT
server
Jetty(9.4.53.v20231009)
batch
excess.duolingo.com/ Frame 		0
0 		Preflight
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.220.238.20 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-220-238-20.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://www.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 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
Wed, 28 Aug 2024 17:56:49 GMT
server
Jetty(9.4.53.v20231009)
batch
excess.duolingo.com/ Frame 		0
0 		Preflight
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.220.238.20 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-220-238-20.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://www.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 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
Wed, 28 Aug 2024 17:56:49 GMT
server
Jetty(9.4.53.v20231009)
batch
excess.duolingo.com/ Frame 		0
0 		Preflight
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.220.238.20 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-220-238-20.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://www.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 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
Wed, 28 Aug 2024 17:56:49 GMT
server
Jetty(9.4.53.v20231009)
batch
excess.duolingo.com/ Frame 		0
0 		Preflight
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.220.238.20 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-220-238-20.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://www.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 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
Wed, 28 Aug 2024 17:56:49 GMT
server
Jetty(9.4.53.v20231009)
batch
excess.duolingo.com/ Frame 		0
0 		Preflight
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.220.238.20 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-220-238-20.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://www.duolingo.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 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
Wed, 28 Aug 2024 17:56:49 GMT
server
Jetty(9.4.53.v20231009)
otBannerSdk.js
cdn.cookielaw.org/scripttemplates/202404.1.0/ 		448 KB
109 KB 		Script
General
Check archive.org
Download Go to
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
104.18.87.42 -, , 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

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Wed, 28 Aug 2024 17:56:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
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age
71745
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
111077
x-ms-lease-status
unlocked
last-modified
Tue, 16 Jul 2024 21:54:14 GMT
server
cloudflare
etag
0x8DCA5E1D524AD71
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
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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
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accept-ranges
bytes
cf-ray
8ba62e233b2ab409-YYZ
en.json
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20 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://cdn.cookielaw.org/consent/55a7f100-001e-4085-87ec-1a6d522f7d67/a714f50c-3dd8-46b5-8c3e-f33de492a413/en.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
104.18.87.42 -, , 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

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Wed, 28 Aug 2024 17:56:50 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
strict-transport-security
max-age=31536000; includeSubDomains; preload
age
15577
content-md5
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content-length
19977
x-ms-lease-status
unlocked
last-modified
Thu, 25 Apr 2024 15:36:14 GMT
server
cloudflare
etag
0x8DC653D71098066
vary
Accept-Encoding
content-type
application/x-javascript
access-control-allow-origin
*
x-ms-request-id
4778dc67-501e-008b-2926-973dee000000
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
8ba62e267f6e39d5-YYZ
expires
Thu, 29 Aug 2024 17:56:50 GMT
otCommonStyles.css
cdn.cookielaw.org/scripttemplates/202404.1.0/assets/ 		24 KB
4 KB 		Fetch
General
Check archive.org
Download Go to
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
104.18.87.42 -, , 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

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Wed, 28 Aug 2024 17:56:50 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
content-encoding
gzip
content-md5
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age
56636
x-ms-lease-status
unlocked
last-modified
Tue, 16 Jul 2024 21:54:20 GMT
server
cloudflare
vary
Accept-Encoding
content-type
text/css
access-control-allow-origin
*
x-ms-request-id
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access-control-expose-headers
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cache-control
max-age=86400
x-ms-version
2009-09-19
cf-ray
8ba62e26dfc139d5-YYZ
batch
excess.duolingo.com/ 		34 B
311 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/1189-63944f2c.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.220.238.20 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-220-238-20.compute-1.amazonaws.com
Software
Jetty(9.4.53.v20231009) /
Resource Hash
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Content-type
application/json

Response headers

date
Wed, 28 Aug 2024 17:56:50 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
style
accounts.google.com/gsi/ 		533 B
607 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://accounts.google.com/gsi/style
Requested by
Host: accounts.google.com
URL: https://accounts.google.com/gsi/client
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.253.62.84 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
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Software
ESF /
Resource Hash
1c4e7e389d73c6acf7f19cc812514e71230740791fde8a018c1d7edccf1590ae
Security Headers
Name Value
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X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 17:56:52 GMT
content-security-policy
script-src 'report-sample' 'nonce-UiXVy511utF0bge2S5tOmw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
content-encoding
gzip
x-content-type-options
nosniff
server
ESF
x-frame-options
SAMEORIGIN
report-to
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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
Wed, 28 Aug 2024 17:56:52 GMT
js
www.googletagmanager.com/gtag/ 		334 KB
108 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=G-CSFDVCPQ4F&l=dataLayer&cx=c
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-TX6Z97C
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.250.65.200 Plainview, United States, ASN15169 (GOOGLE, US),
Reverse DNS
lga25s72-in-f8.1e100.net
Software
Google Tag Manager /
Resource Hash
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Security Headers
Name Value
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X-Xss-Protection 0

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 17:56:52 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
110804
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Wed, 28 Aug 2024 17:56:52 GMT
analytics.js
www.google-analytics.com/ 		52 KB
21 KB 		Script
General
Check archive.org
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Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-TX6Z97C
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.250.80.46 Plainview, United States, ASN15169 (GOOGLE, US),
Reverse DNS
lga34s34-in-f14.1e100.net
Software
Golfe2 /
Resource Hash
de36e50194320a7d3ef1ace9bd34a875a8bd458b253c061979dd628e9bf49afd
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Wed, 28 Aug 2024 17:43:35 GMT
last-modified
Tue, 12 Dec 2023 18:09:08 GMT
server
Golfe2
age
797
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
20994
expires
Wed, 28 Aug 2024 19:43:35 GMT
destination
www.googletagmanager.com/gtag/ 		243 KB
86 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/destination?id=AW-397119219&l=dataLayer&cx=c
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-TX6Z97C
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.250.65.200 Plainview, United States, ASN15169 (GOOGLE, US),
Reverse DNS
lga25s72-in-f8.1e100.net
Software
Google Tag Manager /
Resource Hash
9ea2e31264dec1300cb405a1e63b38f4bf888c581d2930e9955ed8cd6f3a0ca6
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 28 Aug 2024 17:56:52 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
87876
x-xss-protection
0
last-modified
Wed, 28 Aug 2024 17:24:06 GMT
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
access-control-allow-headers
Cache-Control
expires
Wed, 28 Aug 2024 17:56:52 GMT
fbevents.js
connect.facebook.net/en_US/ 		225 KB
58 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://connect.facebook.net/en_US/fbevents.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
157.240.241.1 Secaucus, United States, ASN32934 (FACEBOOK, US),
Reverse DNS
xx-fbcdn-shv-02-lga3.fbcdn.net
Software
/
Resource Hash
3bb1199d12ae09deeda4466322b863de030594a83fb2166ca26d241b1a9020c1
Security Headers
Name Value
Content-Security-Policy default-src 'self' data: blob: *;script-src *.facebook.com *.fbcdn.net *.facebook.net 127.0.0.1:* 'unsafe-inline' blob: data: 'self' https://*.google-analytics.com *.google.com;style-src data: blob: 'unsafe-inline' *;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net wss://*.facebook.com:* wss://*.whatsapp.com:* wss://*.fbcdn.net attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' https://*.google-analytics.com;img-src 'self' data: blob: * https://*.google-analytics.com;block-all-mixed-content;upgrade-insecure-requests;require-trusted-types-for 'script';
Strict-Transport-Security max-age=31536000; preload; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 0

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

content-security-policy
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content-type
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x-frame-options
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origin-agent-cluster
?0
cache-control
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permissions-policy
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timing-allow-origin
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expires
Sat, 01 Jan 2000 00:00:00 GMT
favicon.ico
d35aaqx5ub95lt.cloudfront.net/ 		15 KB
4 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://d35aaqx5ub95lt.cloudfront.net/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.238.59.125 , United States, ASN16509 (AMAZON-02, US),
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Software
AmazonS3 /
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Wed, 24 Jul 2024 08:30:17 GMT
content-encoding
gzip
via
1.1 2c8fc98e914dd92124c9f02bae44cffc.cloudfront.net (CloudFront)
last-modified
Tue, 23 Jul 2024 16:37:57 GMT
server
AmazonS3
x-amz-cf-pop
JFK52-P4
age
3057996
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"80b0487df87a85d16882eb991ce89431"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
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image/vnd.microsoft.icon
cache-control
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bytes
content-length
3407
x-amz-cf-id
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collect
analytics.google.com/g/ 		0
0 		Fetch
General
Check archive.org
Download Go to
Full URL
https://analytics.google.com/g/collect?v=2&tid=G-CSFDVCPQ4F&gtm=45je48r0v899653930z8811879556za200zb811879556&_p=1724867808844&_gaz=1&gcd=13l3l3l3l1l1&npa=0&dma=0&tag_exp=0&cid=897508148.1724867813&ul=en-ca&sr=1600x1200&_ng=1&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&are=1&pae=1&frm=0&pscdl=noapi&_s=1&sid=1724867812&sct=1&seg=0&dl=https%3A%2F%2Fwww.duolingo.com%2F&dt=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&en=page_view&_fv=1&_nsi=1&_ss=1&tfd=5360
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-CSFDVCPQ4F&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
216.239.38.181 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 28 Aug 2024 17:56:53 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.duolingo.com
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
stats.g.doubleclick.net/g/ 		0
255 B 		Ping
General
Check archive.org
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Full URL
https://stats.g.doubleclick.net/g/collect?v=2&_ng=1&tid=G-CSFDVCPQ4F&cid=897508148.1724867813&gtm=45je48r0v899653930z8811879556za200zb811879556&aip=1&dma=0&gcd=13l3l3l3l1l1&npa=0&frm=0&tag_exp=0
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URL: https://www.googletagmanager.com/gtag/js?id=G-CSFDVCPQ4F&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.251.167.154 Farmingdale, United States, ASN15169 (GOOGLE, US),
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Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 28 Aug 2024 17:56:52 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.duolingo.com
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
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cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
rul
td.doubleclick.net/td/ga/ Frame B820 		0
0 		Document
General
Check archive.org
Download Go to
Full URL
https://td.doubleclick.net/td/ga/rul?tid=G-CSFDVCPQ4F&gacid=897508148.1724867813&gtm=45je48r0v899653930z8811879556za200zb811879556&dma=0&gcd=13l3l3l3l1l1&npa=0&pscdl=noapi&_ng=1&aip=1&fledge=1&frm=0&tag_exp=0&z=909557125
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-CSFDVCPQ4F&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.250.80.66 Plainview, United States, ASN15169 (GOOGLE, US),
Reverse DNS
lga34s35-in-f2.1e100.net
Software
cafe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.duolingo.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control
no-cache, must-revalidate
content-encoding
br
content-length
16
content-type
text/html; charset=UTF-8
cross-origin-resource-policy
cross-origin
date
Wed, 28 Aug 2024 17:56:53 GMT
expires
Fri, 01 Jan 1990 00:00:00 GMT
p3p
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pragma
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x-xss-protection
0
ga-audiences
www.google.ca/ads/ 		0
0
1735692093320310
connect.facebook.net/signals/config/ 		64 KB
13 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://connect.facebook.net/signals/config/1735692093320310?v=2.9.166&r=stable&domain=www.duolingo.com&hme=da9a399065fb1c492026018b9e54864148adfb49d800f41752428fb7b59190f8&ex_m=69%2C118%2C104%2C108%2C60%2C4%2C97%2C68%2C16%2C94%2C86%2C50%2C53%2C168%2C171%2C183%2C179%2C180%2C182%2C29%2C98%2C52%2C75%2C181%2C163%2C166%2C176%2C177%2C184%2C127%2C40%2C34%2C139%2C15%2C49%2C190%2C189%2C129%2C18%2C39%2C1%2C42%2C64%2C65%2C66%2C70%2C90%2C17%2C14%2C93%2C89%2C88%2C105%2C51%2C107%2C38%2C106%2C30%2C91%2C26%2C164%2C167%2C136%2C28%2C11%2C12%2C13%2C6%2C7%2C25%2C22%2C23%2C56%2C61%2C63%2C73%2C99%2C27%2C74%2C9%2C8%2C78%2C47%2C21%2C101%2C100%2C102%2C95%2C10%2C20%2C3%2C19%2C83%2C55%2C81%2C33%2C72%2C0%2C92%2C32%2C80%2C85%2C46%2C45%2C84%2C37%2C5%2C87%2C79%2C43%2C35%2C82%2C2%2C36%2C62%2C41%2C103%2C44%2C77%2C67%2C109%2C59%2C58%2C31%2C96%2C57%2C54%2C48%2C76%2C71%2C24%2C110
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Host: connect.facebook.net
URL: https://connect.facebook.net/en_US/fbevents.js
Protocol
H3
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QUIC, , AES_128_GCM
Server
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Software
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X-Xss-Protection 0

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

content-security-policy
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content-encoding
gzip
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; preload; includeSubDomains
date
Wed, 28 Aug 2024 17:56:52 GMT
document-policy
force-load-at-top
x-fb-server-load
35
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
13072
x-xss-protection
0
reporting-endpoints
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x-fb-connection-quality
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public
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same-origin-allow-popups;report-to="coop_report"
vary
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content-type
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x-frame-options
DENY
origin-agent-cluster
?0
cache-control
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permissions-policy
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timing-allow-origin
*
priority
u=3,i
expires
Sat, 01 Jan 2000 00:00:00 GMT
collect
www.google-analytics.com/j/ 		3 B
209 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j101&a=1758523731&t=pageview&_s=1&dl=https%3A%2F%2Fwww.duolingo.com%2F&ul=en-ca&de=UTF-8&dt=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YADAAEABAAAAACgAI~&jid=246940652&gjid=1709977094&cid=897508148.1724867813&tid=UA-21595814-1&_gid=516660091.1724867813&_r=1&_slc=1&gtm=45He48r0n81TX6Z97Cv811879556za200&gcd=13l3l3l3l1l1&dma=0&tag_exp=0&did=i5iSjo&z=819792420
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.250.80.46 Plainview, United States, ASN15169 (GOOGLE, US),
Reverse DNS
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Software
Golfe2 /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Wed, 28 Aug 2024 17:56:53 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.duolingo.com
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
3
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
www.googleadservices.com/pagead/conversion/397119219/ 		5 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googleadservices.com/pagead/conversion/397119219/?random=1724867812967&cv=11&fst=1724867812967&bg=ffffff&guid=ON&async=1&gtm=45be48r0v9181788653z8811879556za201zb811879556&gcd=13l3l3l3l1l1&dma=0&tag_exp=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.duolingo.com%2F&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&tiba=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&value=1&bttype=purchase&npa=0&pscdl=noapi&auid=1192701266.1724867813&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&fledge=1&capi=1&rfmt=3&fmt=4
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/destination?id=AW-397119219&l=dataLayer&cx=c
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.250.65.226 Plainview, United States, ASN15169 (GOOGLE, US),
Reverse DNS
lga25s73-in-f2.1e100.net
Software
cafe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 28 Aug 2024 17:56:53 GMT
content-encoding
br
x-content-type-options
nosniff
server
cafe
content-type
text/javascript; charset=UTF-8
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, must-revalidate
cross-origin-resource-policy
cross-origin
content-disposition
attachment; filename="f.txt"
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
2588
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
397119219
td.doubleclick.net/td/rul/ Frame BC5F 		0
0 		Document
General
Check archive.org
Download Go to
Full URL
https://td.doubleclick.net/td/rul/397119219?random=1724867812967&cv=11&fst=1724867812967&fmt=3&bg=ffffff&guid=ON&async=1&gtm=45be48r0v9181788653z8811879556za201zb811879556&gcd=13l3l3l3l1l1&dma=0&tag_exp=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.duolingo.com%2F&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&tiba=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&value=1&bttype=purchase&npa=0&pscdl=noapi&auid=1192701266.1724867813&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&fledge=1&capi=1&ct_cookie_present=0
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/destination?id=AW-397119219&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.250.80.66 Plainview, United States, ASN15169 (GOOGLE, US),
Reverse DNS
lga34s35-in-f2.1e100.net
Software
cafe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.duolingo.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control
no-cache, must-revalidate
content-encoding
br
content-length
16
content-type
text/html; charset=UTF-8
cross-origin-resource-policy
cross-origin
date
Wed, 28 Aug 2024 17:56:53 GMT
expires
Fri, 01 Jan 1990 00:00:00 GMT
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
pragma
no-cache
server
cafe
timing-allow-origin
*
x-content-type-options
nosniff
x-xss-protection
0
/
www.facebook.com/tr/ 		0
274 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.facebook.com/tr/?id=1735692093320310&ev=PageView&dl=https%3A%2F%2Fwww.duolingo.com%2F&rl=&if=false&ts=1724867813119&sw=1600&sh=1200&v=2.9.166&r=stable&ec=0&o=4125&fbp=fb.1.1724867813114.809238807530939419&ler=empty&cdl=API_unavailable&it=1724867812898&coo=false&rqm=GET
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
31.13.71.36 Secaucus, United States, ASN32934 (FACEBOOK, US),
Reverse DNS
edge-star-mini-shv-01-lga3.facebook.com
Software
proxygen-bolt /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

x-fb-connection-quality
EXCELLENT; q=0.9, rtt=31, rtx=0, c=10, mss=1316, tbw=2776, tp=-1, tpl=-1, uplat=1, ullat=0
strict-transport-security
max-age=31536000; includeSubDomains
date
Wed, 28 Aug 2024 17:56:53 GMT
server
proxygen-bolt
content-type
text/plain
access-control-allow-origin
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
0
/
www.facebook.com/privacy_sandbox/pixel/register/trigger/ 		67 B
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.facebook.com/privacy_sandbox/pixel/register/trigger/?id=1735692093320310&ev=PageView&dl=https%3A%2F%2Fwww.duolingo.com%2F&rl=&if=false&ts=1724867813119&sw=1600&sh=1200&v=2.9.166&r=stable&ec=0&o=4125&fbp=fb.1.1724867813114.809238807530939419&ler=empty&cdl=API_unavailable&it=1724867812898&coo=false&rqm=FGET
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
31.13.71.36 Secaucus, United States, ASN32934 (FACEBOOK, US),
Reverse DNS
edge-star-mini-shv-01-lga3.facebook.com
Software
/
Resource Hash
aa7b6c81e85551eeb5c4809f1e683efa0b780c33d12ddfc2067a1b136803e45a
Security Headers
Name Value
Content-Security-Policy default-src data: blob: 'self' https://*.fbsbx.com 'unsafe-inline' *.facebook.com *.fbcdn.net 'unsafe-eval';script-src *.facebook.com *.fbcdn.net *.facebook.net 127.0.0.1:* 'unsafe-inline' blob: data: 'self' connect.facebook.net 'unsafe-eval' https://*.google-analytics.com *.google.com;style-src *.fbcdn.net data: *.facebook.com 'unsafe-inline' https://fonts.googleapis.com;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net wss://*.facebook.com:* wss://*.whatsapp.com:* wss://*.fbcdn.net attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' http://localhost:3103 wss://gateway.facebook.com wss://edge-chat.facebook.com wss://snaptu-d.facebook.com wss://kaios-d.facebook.com/ v.whatsapp.net *.fbsbx.com *.fb.com https://*.google-analytics.com;font-src data: *.facebook.com *.fbcdn.net *.fbsbx.com https://fonts.gstatic.com;img-src *.fbcdn.net *.facebook.com data: https://*.fbsbx.com facebook.com *.cdninstagram.com fbsbx.com fbcdn.net connect.facebook.net *.carriersignal.info blob: android-webview-video-poster: *.whatsapp.net *.fb.com *.oculuscdn.com *.tenor.co *.tenor.com *.giphy.com https://paywithmybank.com/ https://*.paywithmybank.com/ https://www.googleadservices.com https://googleads.g.doubleclick.net https://*.google-analytics.com;media-src *.cdninstagram.com blob: *.fbcdn.net *.fbsbx.com www.facebook.com *.facebook.com data: *.tenor.co *.tenor.com https://*.giphy.com;frame-src *.facebook.com *.fbsbx.com fbsbx.com data: www.instagram.com *.fbcdn.net https://paywithmybank.com/ https://*.paywithmybank.com/ https://www.googleadservices.com https://googleads.g.doubleclick.net https://www.google.com https://td.doubleclick.net *.google.com *.doubleclick.net;worker-src blob: *.facebook.com data:;block-all-mixed-content;upgrade-insecure-requests;
Strict-Transport-Security max-age=15552000; preload
X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 0

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

content-security-policy
default-src data: blob: 'self' https://*.fbsbx.com 'unsafe-inline' *.facebook.com *.fbcdn.net 'unsafe-eval';script-src *.facebook.com *.fbcdn.net *.facebook.net 127.0.0.1:* 'unsafe-inline' blob: data: 'self' connect.facebook.net 'unsafe-eval' https://*.google-analytics.com *.google.com;style-src *.fbcdn.net data: *.facebook.com 'unsafe-inline' https://fonts.googleapis.com;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net wss://*.facebook.com:* wss://*.whatsapp.com:* wss://*.fbcdn.net attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' http://localhost:3103 wss://gateway.facebook.com wss://edge-chat.facebook.com wss://snaptu-d.facebook.com wss://kaios-d.facebook.com/ v.whatsapp.net *.fbsbx.com *.fb.com https://*.google-analytics.com;font-src data: *.facebook.com *.fbcdn.net *.fbsbx.com https://fonts.gstatic.com;img-src *.fbcdn.net *.facebook.com data: https://*.fbsbx.com facebook.com *.cdninstagram.com fbsbx.com fbcdn.net connect.facebook.net *.carriersignal.info blob: android-webview-video-poster: *.whatsapp.net *.fb.com *.oculuscdn.com *.tenor.co *.tenor.com *.giphy.com https://paywithmybank.com/ https://*.paywithmybank.com/ https://www.googleadservices.com https://googleads.g.doubleclick.net https://*.google-analytics.com;media-src *.cdninstagram.com blob: *.fbcdn.net *.fbsbx.com www.facebook.com *.facebook.com data: *.tenor.co *.tenor.com https://*.giphy.com;frame-src *.facebook.com *.fbsbx.com fbsbx.com data: www.instagram.com *.fbcdn.net https://paywithmybank.com/ https://*.paywithmybank.com/ https://www.googleadservices.com https://googleads.g.doubleclick.net https://www.google.com https://td.doubleclick.net *.google.com *.doubleclick.net;worker-src blob: *.facebook.com data:;block-all-mixed-content;upgrade-insecure-requests;
content-encoding
zstd
x-content-type-options
nosniff
strict-transport-security
max-age=15552000; preload
date
Wed, 28 Aug 2024 17:56:53 GMT
document-policy
force-load-at-top
x-fb-server-load
49
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
x-xss-protection
0
reporting-endpoints
coop_report="https://www.facebook.com/browser_reporting/coop/?minimize=0", default="https://www.facebook.com/ajax/browser_error_reports/?device_level=unknown&brsid=7408250847967745362", permissions_policy="https://www.facebook.com/ajax/browser_error_reports/"
x-fb-connection-quality
EXCELLENT; q=0.9, rtt=31, rtx=1, c=2, mss=1316, tbw=3094, tp=-1, tpl=-1, uplat=140, ullat=0
pragma
no-cache
x-fb-debug
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cross-origin-opener-policy
same-origin-allow-popups;report-to="coop_report"
vary
Accept-Encoding
report-to
{"max_age":2592000,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/coop\/?minimize=0"}],"group":"coop_report","include_subdomains":true}, {"max_age":259200,"endpoints":[{"url":"https:\/\/www.facebook.com\/ajax\/browser_error_reports\/?device_level=unknown&brsid=7408250847967745362"}]}, {"max_age":21600,"endpoints":[{"url":"https:\/\/www.facebook.com\/ajax\/browser_error_reports\/"}],"group":"permissions_policy"}
content-type
image/png
x-frame-options
DENY
origin-agent-cluster
?0
cache-control
private, no-store, no-cache, must-revalidate
permissions-policy
accelerometer=(), attribution-reporting=(self), autoplay=(), bluetooth=(), browsing-topics=(self), camera=(self), ch-device-memory=(), ch-downlink=(), ch-dpr=(), ch-ect=(), ch-rtt=(), ch-save-data=(), ch-ua-arch=(), ch-ua-bitness=(), ch-viewport-height=(), ch-viewport-width=(), ch-width=(), clipboard-read=(self), clipboard-write=(self), compute-pressure=(), display-capture=(self), encrypted-media=(self), fullscreen=(self), gamepad=*, geolocation=(self), gyroscope=(), hid=(), idle-detection=(), interest-cohort=(self), keyboard-map=(), local-fonts=(), magnetometer=(), microphone=(self), midi=(), otp-credentials=(), payment=(), picture-in-picture=(self), private-state-token-issuance=(), publickey-credentials-get=(self), screen-wake-lock=(), serial=(), shared-storage=(), shared-storage-select-url=(), private-state-token-redemption=(), usb=(), unload=(self), window-management=(), xr-spatial-tracking=(self);report-to="permissions_policy"
expires
Sat, 01 Jan 2000 00:00:00 GMT
/
googleads.g.doubleclick.net/pagead/viewthroughconversion/397119219/ 		0
0

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
www.google.ca
URL
https://www.google.ca/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&_ng=1&tid=G-CSFDVCPQ4F&cid=897508148.1724867813&gtm=45je48r0v899653930z8811879556za200zb811879556&aip=1&dma=0&gcd=13l3l3l3l1l1&npa=0&frm=0&tag_exp=0&tag_exp=0&z=1104410950
Domain
googleads.g.doubleclick.net
URL
https://googleads.g.doubleclick.net/pagead/viewthroughconversion/397119219/?random=1226399760&cv=11&fst=1724867812967&bg=ffffff&guid=ON&async=1&gtm=45be48r0v9181788653z8811879556za201zb811879556&gcd=13l3l3l3l1l1&dma=0&tag_exp=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.duolingo.com%2F&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&tiba=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&value=1&npa=0&pscdl=noapi&auid=1192701266.1724867813&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&fledge=1&capi=1&fmt=3&ct_cookie_present=false&crd=CLHBsQIIsMGxAgi5wbECCJvHsQJKLG5vdC1uYXZpZ2F0aW9uLXNvdXJjZSwgdHJpZ2dlciwgZXZlbnQtc291cmNlWgMKAQFiBAoCAgM&eitems=ChAI8JW7tgYQgM3f69DozPAFEh0AZWiPuhxnb_tvrBxiLurIYpfUWL4SOVyuGIGYEg&pscrd=IhMI6rarqqGYiAMVXROICR3oqikhMgIIAzICCAQyAggHMgIICDICCAkyAggKMgIIAjICCAsyAggVMgIIHzICCBMyAggSOhlodHRwczovL3d3dy5kdW9saW5nby5jb20v

Verdicts & Comments Add Verdict or Comment

56 JavaScript Global Variables

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

object| 0 object| 1 object| 2 object| 3 function| OptanonWrapper object| duo object| webpackChunk object| ___grecaptcha_cfg object| grecaptcha string| __recaptcha_api boolean| __google_recaptcha_client boolean| supportsAbortController boolean| supportsElementAnimate boolean| supportsES2015 boolean| supportsEs2019 boolean| supportsIntersectionObserver boolean| supportsWebAssembly boolean| supportsResizeObserver object| features object| HIDE_APP_SMART_BANNER_PATH object| recaptcha object| closure_lm_764186 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 string| OnetrustActiveGroups string| OptanonActiveGroups object| otStubData object| Optanon object| OneTrust object| default_gsi object| _F_toggles object| google object| closure_lm_496597 object| google_tag_manager object| google_tag_data object| __G_ID_CLIENT__ string| GoogleAnalyticsObject function| fbq function| _fbq object| googletag function| onYouTubeIframeAPIReady object| gaGlobal object| gaData object| GooglebQhCsO

18 Cookies

Domain/Path Name / Value
.duolingo.com/ Name: logged_out_uuid
Value: e1a68846-e6e4-474e-a2ad-4c31d410e73b
.duolingo.com/ Name: lang
Value: en
www.duolingo.com/ Name: wuuid
Value: c381a2cd-197a-4273-9c37-61f58e6ce2ca
.duolingo.com/ Name: tsl
Value: 1724867808962
.duolingo.com/ Name: lu
Value: https://www.duolingo.com/
.duolingo.com/ Name: initial_referrer
Value: $direct
.duolingo.com/ Name: lr
Value:
.duolingo.com/ Name: lp
Value: splash
www.duolingo.com/ Name: AWSALB
Value: 9iRtAl3fMKDxNlvj0EPqyzGT+N1YpkY/5QnC7IlTLN+YuQ4vPKTLONrUB+Iko++44ONQhSIN/EalGZOC5WhynKpsL9sKU0ZKqH2IIXUir7VJDIrxH6Em+qZuwgnC
www.duolingo.com/ Name: AWSALBCORS
Value: 9iRtAl3fMKDxNlvj0EPqyzGT+N1YpkY/5QnC7IlTLN+YuQ4vPKTLONrUB+Iko++44ONQhSIN/EalGZOC5WhynKpsL9sKU0ZKqH2IIXUir7VJDIrxH6Em+qZuwgnC
.duolingo.com/ Name: OptanonConsent
Value: isGpcEnabled=0&datestamp=Wed+Aug+28+2024+10%3A56%3A50+GMT-0700+(Pacific+Daylight+Time)&version=202404.1.0&browserGpcFlag=0&isIABGlobal=false&hosts=&consentId=b4d0f2ff-5b47-44ca-a807-3042bb13a1b1&interactionCount=0&isAnonUser=1&landingPath=https%3A%2F%2Fwww.duolingo.com%2F&groups=C0001%3A1%2CC0002%3A1%2CC0003%3A1%2CC0004%3A1
.duolingo.com/ Name: _ga_CSFDVCPQ4F
Value: GS1.1.1724867812.1.0.1724867812.60.0.0
.duolingo.com/ Name: _ga
Value: GA1.2.897508148.1724867813
.duolingo.com/ Name: _gid
Value: GA1.2.516660091.1724867813
.duolingo.com/ Name: _gat_UA-21595814-1
Value: 1
.duolingo.com/ Name: _gcl_au
Value: 1.1.1192701266.1724867813
.duolingo.com/ Name: _fbp
Value: fb.1.1724867813114.809238807530939419
.doubleclick.net/ Name: test_cookie
Value: CheckForPermission

1 Console Messages

Source Level URL
Text
network error URL: https://zombie.duolingo.com/0/web.json?user=0&ts=1724867809&tzoffset=-7
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
analytics.google.com
cdn.cookielaw.org
connect.facebook.net
d35aaqx5ub95lt.cloudfront.net
excess.duolingo.com
geolocation.onetrust.com
googleads.g.doubleclick.net
stats.g.doubleclick.net
td.doubleclick.net
www.duolingo.com
www.facebook.com
www.google-analytics.com
www.google.ca
www.googleadservices.com
www.googletagmanager.com
www.gstatic.com
www.recaptcha.net
zombie.duolingo.com
googleads.g.doubleclick.net
www.google.ca
104.18.87.42
108.139.47.46
142.250.65.195
142.250.65.200
142.250.65.226
142.250.80.46
142.250.80.66
142.251.167.154
142.251.40.99
157.240.241.1
172.253.62.84
172.64.155.119
18.238.59.125
216.239.38.181
3.220.238.20
3.221.178.143
31.13.71.36
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