Submitted URL: https://invite.duolingo.com/BDHTZTB5CWWKSRQSQZYZT3LTU4?v=if
Effective URL: https://www.duolingo.com/referred?inviter_id=1306168919
Submission: On July 18 via manual from CO — Scanned from CA

Summary

This website contacted 19 IPs in 2 countries across 15 domains to perform 66 HTTP transactions. The main IP is 52.200.186.231, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is www.duolingo.com. The Cisco Umbrella rank of the primary domain is 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
1 1 18.233.205.192 14618 (AMAZON-AES)
1 1 185.151.204.202 61273 (ADJUST-NL)
4 52.200.186.231 14618 (AMAZON-AES)
5 104.19.178.52 13335 (CLOUDFLAR...)
2 173.194.175.94 15169 (GOOGLE)
24 3.162.130.117 16509 (AMAZON-02)
1 172.217.222.94 15169 (GOOGLE)
1 172.64.155.119 13335 (CLOUDFLAR...)
11 52.20.10.45 14618 (AMAZON-AES)
3 173.194.66.97 15169 (GOOGLE)
2 173.194.207.84 15169 (GOOGLE)
1 13.32.208.47 16509 (AMAZON-02)
1 3.162.112.125 16509 (AMAZON-02)
2 209.85.232.101 15169 (GOOGLE)
2 157.240.229.1 32934 (FACEBOOK)
1 142.251.174.154 15169 (GOOGLE)
1 173.194.68.138 15169 (GOOGLE)
1 173.194.66.154 15169 (GOOGLE)
2 142.251.174.94 15169 (GOOGLE)
1 1 209.85.232.154 15169 (GOOGLE)
1 1 209.85.232.147 15169 (GOOGLE)
2 157.240.229.35 32934 (FACEBOOK)
66 19
Apex Domain
Subdomains
Transfer
24 cloudfront.net
d35aaqx5ub95lt.cloudfront.net
728 KB
18 duolingo.com
invite.duolingo.com — Cisco Umbrella Rank: 754598
www.duolingo.com — Cisco Umbrella Rank: 41308
excess.duolingo.com — Cisco Umbrella Rank: 6938
brb.duolingo.com — Cisco Umbrella Rank: 12523
zombie.duolingo.com — Cisco Umbrella Rank: 6660
15 KB
5 cookielaw.org
cdn.cookielaw.org — Cisco Umbrella Rank: 554
142 KB
4 google.com
accounts.google.com — Cisco Umbrella Rank: 46
analytics.google.com — Cisco Umbrella Rank: 238
www.google.com — Cisco Umbrella Rank: 10
85 KB
3 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 112
302 KB
2 facebook.com
www.facebook.com — Cisco Umbrella Rank: 108
4 KB
2 google.ca
www.google.ca — Cisco Umbrella Rank: 9677
127 B
2 doubleclick.net
stats.g.doubleclick.net — Cisco Umbrella Rank: 252
googleads.g.doubleclick.net — Cisco Umbrella Rank: 77
270 B
2 facebook.net
connect.facebook.net — Cisco Umbrella Rank: 236
72 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
2 KB
1 onetrust.com
geolocation.onetrust.com — Cisco Umbrella Rank: 1019
306 B
1 gstatic.com
www.gstatic.com
212 KB
1 adj.st
af4a.adj.st — Cisco Umbrella Rank: 927004
1 KB
66 15
Domain Requested by
24 d35aaqx5ub95lt.cloudfront.net www.duolingo.com
d35aaqx5ub95lt.cloudfront.net
11 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 www.duolingo.com
2 www.google.ca www.duolingo.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.google.com 1 redirects
1 googleads.g.doubleclick.net 1 redirects
1 stats.g.doubleclick.net www.googletagmanager.com
1 analytics.google.com www.googletagmanager.com
1 www.googleadservices.com www.googletagmanager.com
1 zombie.duolingo.com d35aaqx5ub95lt.cloudfront.net
1 brb.duolingo.com d35aaqx5ub95lt.cloudfront.net
1 geolocation.onetrust.com cdn.cookielaw.org
1 www.gstatic.com www.recaptcha.net
1 af4a.adj.st 1 redirects
1 invite.duolingo.com 1 redirects
66 22

This site contains no links.

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
2024-06-24 -
2024-09-16
3 months crt.sh
*.cloudfront.net
Amazon RSA 2048 M01
2023-10-10 -
2024-09-19
a year crt.sh
*.gstatic.com
WR2
2024-06-24 -
2024-09-16
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
2024-06-24 -
2024-09-16
3 months crt.sh
accounts.google.com
WR2
2024-06-24 -
2024-09-16
3 months crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA
2024-04-26 -
2024-07-25
3 months crt.sh
*.googleadservices.com
WR2
2024-06-24 -
2024-09-16
3 months crt.sh
*.google.com
WR2
2024-06-24 -
2024-09-16
3 months crt.sh
*.g.doubleclick.net
WR2
2024-06-24 -
2024-09-16
3 months crt.sh
*.google.ca
WR2
2024-06-24 -
2024-09-16
3 months crt.sh

This page contains 2 frames:

Primary Page: https://www.duolingo.com/referred?inviter_id=1306168919
Frame ID: 4611806234DFA9213ECAD391DA922D79
Requests: 61 HTTP requests in this frame

Frame: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY29tOjQ0Mw..&hl=en&v=rKbTvxTxwcw5VqzrtN-ICwWt&size=invisible&cb=a7tqhx20n596
Frame ID: A42DECA86EEEB4BF12507D4CBC02B6DD
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

Learning Goal - Duolingo

Page URL History Show full URLs

  1. https://invite.duolingo.com/BDHTZTB5CWWKSRQSQZYZT3LTU4?v=if HTTP 302
    https://af4a.adj.st/?adjust_t=w41s8fz&adjust_label=BDHTZTB5CWWKSRQSQZYZT3LTU4&adjust_fallback=ht... HTTP 302
    https://www.duolingo.com/referred?inviter_id=1306168919 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
  • //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

66
Requests

98 %
HTTPS

0 %
IPv6

15
Domains

22
Subdomains

19
IPs

2
Countries

1584 kB
Transfer

4838 kB
Size

18
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. https://invite.duolingo.com/BDHTZTB5CWWKSRQSQZYZT3LTU4?v=if HTTP 302
    https://af4a.adj.st/?adjust_t=w41s8fz&adjust_label=BDHTZTB5CWWKSRQSQZYZT3LTU4&adjust_fallback=https%3A%2F%2Fwww.duolingo.com%2Freferred%3Finviter_id%3D1306168919&adjust_redirect_macos=https%3A%2F%2Fwww.duolingo.com%2Freferred%3Finviter_id%3D1306168919&adjust_deeplink=duolingo%3A%2F%2Fprofile%3Fuser_id%3D1306168919 HTTP 302
    https://www.duolingo.com/referred?inviter_id=1306168919 Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 60
  • https://googleads.g.doubleclick.net/pagead/viewthroughconversion/397119219/?random=546295890&cv=11&fst=1721261143532&bg=ffffff&guid=ON&async=1&gtm=45be47f0v9181788653z8811879556za201zb811879556&gcd=13l3l3l3l1&dma=0&tag_exp=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.duolingo.com%2Freferred%3Finviter_id%3D1306168919&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&tiba=Learning%20Goal%20-%20Duolingo&value=1&npa=0&pscdl=noapi&auid=2093954162.1721261144&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&fdr=QA&capi=1&fmt=3&ct_cookie_present=false&crd=CLHBsQIIsMGxAgi5wbECSidldmVudC1zb3VyY2U7bmF2aWdhdGlvbi1zb3VyY2UsIHRyaWdnZXJaAwoBAWIECgICAw&eitems=ChAI8NfdtAYQitzC3oHcweUVEh0ALXs3GXDkxz1nczUrBqOZ3PHNJsSVJUZm1wGKCw&pscrd=IhMIsOCfuKWvhwMVMlNHAR3i3gWPMgIIAzICCAQyAggHMgIICDICCAkyAggKMgIIAjICCAs6GWh0dHBzOi8vd3d3LmR1b2xpbmdvLmNvbS8 HTTP 302
  • https://www.google.com/pagead/1p-conversion/397119219/?random=546295890&cv=11&fst=1721261143532&bg=ffffff&guid=ON&async=1&gtm=45be47f0v9181788653z8811879556za201zb811879556&gcd=13l3l3l3l1&dma=0&tag_exp=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.duolingo.com%2Freferred%3Finviter_id%3D1306168919&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&tiba=Learning%20Goal%20-%20Duolingo&value=1&npa=0&pscdl=noapi&auid=2093954162.1721261144&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&fdr=QA&capi=1&fmt=3&ct_cookie_present=false&crd=CLHBsQIIsMGxAgi5wbECSidldmVudC1zb3VyY2U7bmF2aWdhdGlvbi1zb3VyY2UsIHRyaWdnZXJaAwoBAWIECgICAw&pscrd=IhMIsOCfuKWvhwMVMlNHAR3i3gWPMgIIAzICCAQyAggHMgIICDICCAkyAggKMgIIAjICCAs6GWh0dHBzOi8vd3d3LmR1b2xpbmdvLmNvbS8&is_vtc=1&cid=CAQSGwDaQooLdYR-VbrelMbHE2Gh1QCMXzTFwvizRg&eitems=ChAI8NfdtAYQitzC3oHcweUVEh0ALXs3Gf3b_1nz8xerUpW5Y__rjMbICDS6ad05Aw&random=4128188246 HTTP 302
  • https://www.google.ca/pagead/1p-conversion/397119219/?random=546295890&cv=11&fst=1721261143532&bg=ffffff&guid=ON&async=1&gtm=45be47f0v9181788653z8811879556za201zb811879556&gcd=13l3l3l3l1&dma=0&tag_exp=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.duolingo.com%2Freferred%3Finviter_id%3D1306168919&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&tiba=Learning%20Goal%20-%20Duolingo&value=1&npa=0&pscdl=noapi&auid=2093954162.1721261144&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&fdr=QA&capi=1&fmt=3&ct_cookie_present=false&crd=CLHBsQIIsMGxAgi5wbECSidldmVudC1zb3VyY2U7bmF2aWdhdGlvbi1zb3VyY2UsIHRyaWdnZXJaAwoBAWIECgICAw&pscrd=IhMIsOCfuKWvhwMVMlNHAR3i3gWPMgIIAzICCAQyAggHMgIICDICCAkyAggKMgIIAjICCAs6GWh0dHBzOi8vd3d3LmR1b2xpbmdvLmNvbS8&is_vtc=1&cid=CAQSGwDaQooLdYR-VbrelMbHE2Gh1QCMXzTFwvizRg&eitems=ChAI8NfdtAYQitzC3oHcweUVEh0ALXs3Gf3b_1nz8xerUpW5Y__rjMbICDS6ad05Aw&random=4128188246&ipr=y

66 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request referred
www.duolingo.com/
Redirect Chain
  • https://invite.duolingo.com/BDHTZTB5CWWKSRQSQZYZT3LTU4?v=if
  • https://af4a.adj.st/?adjust_t=w41s8fz&adjust_label=BDHTZTB5CWWKSRQSQZYZT3LTU4&adjust_fallback=https%3A%2F%2Fwww.duolingo.com%2Freferred%3Finviter_id%3D1306168919&adjust_redirect_macos=https%3A%2F%2...
  • https://www.duolingo.com/referred?inviter_id=1306168919
10 KB
4 KB
Document
General
Full URL
https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.200.186.231 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-200-186-231.compute-1.amazonaws.com
Software
duo-api /
Resource Hash
7f0f349b0fd3c18cb76a2fd336a4f7ef8703eccb6f40e441808b2e83c2602521
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/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
Thu, 18 Jul 2024 00:05:42 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
0.03593
x-tid
ffff3ec866985c160191
x-ws
UK

Redirect headers

accept-ch
Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UAm, Sec-CH-UA-Full-Version-List, Sec-CH-UA-WoW64, Sec-CH-UA-Arch, Sec-CH-UA-Bitness
content-length
78
content-type
text/html; charset=utf-8
date
Thu, 18 Jul 2024 00:05:42 GMT
location
https://www.duolingo.com/referred?inviter_id=1306168919
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-robots-tag
noindex
otSDKStub.js
cdn.cookielaw.org/scripttemplates/
21 KB
7 KB
Script
General
Full URL
https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.19.178.52 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e0c289faa80333eff728b8bdbbf10b11dec1a6e1938a444e1cc41be6744e96d2
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/126.0.0.0 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Thu, 18 Jul 2024 00:05:42 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
PzcU3Ivp6w0l3AsetHXgNw==
age
32535
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
6882
x-ms-lease-status
unlocked
last-modified
Tue, 16 Jul 2024 16:24:57 GMT
server
cloudflare
etag
0x8DCA5B3D53808AE
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
74f5caed-201e-005f-80b0-d76174000000
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
8a4e38bca87f36d4-YYZ
expires
Thu, 18 Jul 2024 15:03:27 GMT
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: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
173.194.175.94 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
qs-in-f94.1e100.net
Software
GSE /
Resource Hash
03d5dd605f1e2a893016c54cefa470f8d52aab9405dbd145538ff1f1757264ff
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/126.0.0.0 Safari/537.36

Response headers

date
Thu, 18 Jul 2024 00:05:42 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
Thu, 18 Jul 2024 00:05:42 GMT
manifest-146e89d9.js
d35aaqx5ub95lt.cloudfront.net/js/
12 KB
6 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/manifest-146e89d9.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.162.130.117 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-3-162-130-117.iad61.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
347a3273355007a74c06f09064b8786bcb8a9436ecbe6a3942692abb89e3427f

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Sat, 13 Jul 2024 02:39:47 GMT
content-encoding
gzip
via
1.1 6123d2a57c9fa3d5613bea69a7290ae0.cloudfront.net (CloudFront)
last-modified
Fri, 12 Jul 2024 19:39:25 GMT
server
AmazonS3
x-amz-cf-pop
IAD61-P3
age
422756
etag
"135bce28cf5dc1564ead4b0a4cf15a6e"
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
6100
x-amz-cf-id
KoLKpaudM5LY7A9M4HHHYHeoRi_qj4L-PTKK7AI6hzTCGYkL-iVsZA==
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: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.162.130.117 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-3-162-130-117.iad61.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/126.0.0.0 Safari/537.36

Response headers

date
Sun, 14 Jul 2024 16:06:50 GMT
content-encoding
gzip
via
1.1 6123d2a57c9fa3d5613bea69a7290ae0.cloudfront.net (CloudFront)
last-modified
Fri, 12 Jul 2024 19:39:25 GMT
server
AmazonS3
x-amz-cf-pop
IAD61-P3
age
287933
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
SCtLoDmfPonmrIrKlisSONmb4oQ8WnEF4yxXVNbMzbgFGwBNxmp0Mw==
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: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.162.130.117 , 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/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 01:20:41 GMT
content-encoding
gzip
via
1.1 6123d2a57c9fa3d5613bea69a7290ae0.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
IAD61-P3
age
686702
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
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371 B
627 B
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/polyfills-d1e2cb95.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.162.130.117 , 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/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 01:20:41 GMT
content-encoding
gzip
via
1.1 6123d2a57c9fa3d5613bea69a7290ae0.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
IAD61-P3
age
686702
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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283 KB
73 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/9819-23bb198b.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.162.130.117 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-3-162-130-117.iad61.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/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 20:36:39 GMT
content-encoding
gzip
via
1.1 6123d2a57c9fa3d5613bea69a7290ae0.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
IAD61-P3
age
617343
etag
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x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
74023
x-amz-cf-id
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1 KB
1 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/strings/en-787e9871.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.162.130.117 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-3-162-130-117.iad61.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/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 01:20:42 GMT
content-encoding
gzip
via
1.1 6123d2a57c9fa3d5613bea69a7290ae0.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
IAD61-P3
age
686701
etag
"6411b3a3c36fa25e9e96df8bdd7fe470"
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
858
x-amz-cf-id
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648 KB
212 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/1450-016ef6d8.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.162.130.117 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-3-162-130-117.iad61.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/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 20:36:39 GMT
content-encoding
gzip
via
1.1 6123d2a57c9fa3d5613bea69a7290ae0.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
IAD61-P3
age
617343
etag
"9288d781bc9129e9f8d4054a5c3c9c36"
x-amz-server-side-encryption
AES256
x-cache
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content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
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x-amz-cf-id
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838 KB
254 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/app-ed7fe8a9.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.162.130.117 , 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
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Response headers

date
Sat, 13 Jul 2024 02:39:47 GMT
content-encoding
gzip
via
1.1 6123d2a57c9fa3d5613bea69a7290ae0.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
IAD61-P3
age
422756
etag
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x-amz-server-side-encryption
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x-cache
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content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
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content-length
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x-amz-cf-id
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22 KB
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Stylesheet
General
Full URL
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.162.130.117 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-3-162-130-117.iad61.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/126.0.0.0 Safari/537.36

Response headers

date
Wed, 10 Jul 2024 20:36:39 GMT
content-encoding
gzip
via
1.1 6123d2a57c9fa3d5613bea69a7290ae0.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
IAD61-P3
age
617344
etag
"ca128b1e3dd9edd578ea08f57127dbe7"
x-amz-server-side-encryption
AES256
x-cache
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content-type
text/css
cache-control
max-age=315360000
accept-ranges
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content-length
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x-amz-cf-id
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Stylesheet
General
Full URL
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.162.130.117 , 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
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Response headers

date
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content-encoding
gzip
via
1.1 6123d2a57c9fa3d5613bea69a7290ae0.cloudfront.net (CloudFront)
last-modified
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server
AmazonS3
x-amz-cf-pop
IAD61-P3
age
287933
etag
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x-amz-server-side-encryption
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x-cache
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content-type
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cache-control
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URL: https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.19.178.52 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
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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/126.0.0.0 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
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content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
strict-transport-security
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age
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content-md5
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server
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etag
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content-type
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cache-control
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43 KB
Font
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Full URL
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.162.130.117 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
AmazonS3 /
Resource Hash
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Request headers

Referer
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User-Agent
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Response headers

date
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content-encoding
gzip
via
1.1 0d9fa547d973207140747f5567b6a0fa.cloudfront.net (CloudFront)
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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
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accept-ranges
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Full URL
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.162.130.117 , 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/
Origin
https://www.duolingo.com
User-Agent
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Response headers

date
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content-encoding
gzip
via
1.1 0d9fa547d973207140747f5567b6a0fa.cloudfront.net (CloudFront)
x-amz-cf-pop
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age
686698
x-amz-server-side-encryption
AES256
x-cache
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content-length
44488
last-modified
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server
AmazonS3
etag
"0f4d41ab6027cdbb06f469d5164807fa"
access-control-max-age
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content-type
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cache-control
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General
Full URL
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Protocol
DATA
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Reverse DNS
Software
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Resource Hash
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Request headers

Referer
Origin
https://www.duolingo.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

Content-Type
text/javascript
recaptcha__en.js
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534 KB
212 KB
Script
General
Full URL
https://www.gstatic.com/recaptcha/releases/rKbTvxTxwcw5VqzrtN-ICwWt/recaptcha__en.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
172.217.222.94 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
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Software
sffe /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
https://www.duolingo.com/
Origin
https://www.duolingo.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
Sun, 14 Jul 2024 05:46:08 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
325174
content-security-policy-report-only
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cross-origin-resource-policy
cross-origin
alt-svc
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content-length
216123
x-xss-protection
0
last-modified
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server
sffe
cross-origin-opener-policy
same-origin-allow-popups; report-to="recaptcha"
vary
Accept-Encoding
report-to
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content-type
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access-control-allow-origin
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cache-control
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accept-ranges
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expires
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location
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68 B
306 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
172.64.155.119 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
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Request headers

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Response headers

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accept-encoding
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Response headers

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strict-transport-security
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content-encoding
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Request headers

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Response headers

date
Thu, 18 Jul 2024 00:05:43 GMT
content-encoding
br
strict-transport-security
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Response headers

strict-transport-security
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nosniff
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Request headers

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Response headers

date
Thu, 18 Jul 2024 00:05:43 GMT
content-encoding
br
strict-transport-security
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General
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content-security-policy
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Request headers

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Response headers

date
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accept-encoding
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pragma
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content-encoding
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collect
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General
Full URL
https://analytics.google.com/g/collect?v=2&tid=G-CSFDVCPQ4F&gtm=45je47f0h1v899653930z8811879556za200zb811879556&_p=1721261142888&_gaz=1&gcd=13l3l3l3l1&npa=0&dma=0&tag_exp=0&cid=101739377.1721261144&ul=en-ca&sr=1600x1200&_ng=1&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&are=1&frm=0&pscdl=noapi&_s=1&sid=1721261143&sct=1&seg=0&dl=https%3A%2F%2Fwww.duolingo.com%2Freferred%3Finviter_id%3D1306168919&dt=Learning%20Goal%20-%20Duolingo&en=page_view&_fv=1&_nsi=1&_ss=1&tfd=2301&_z=fetch
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
173.194.68.138 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
qr-in-f138.1e100.net
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/126.0.0.0 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 18 Jul 2024 00:05:43 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
246 B
Ping
General
Full URL
https://stats.g.doubleclick.net/g/collect?v=2&_ng=1&tid=G-CSFDVCPQ4F&cid=101739377.1721261144&gtm=45je47f0h1v899653930z8811879556za200zb811879556&aip=1&dma=0&gcd=13l3l3l3l1&npa=0&frm=0
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
173.194.66.154 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
qo-in-f154.1e100.net
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/126.0.0.0 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 18 Jul 2024 00:05:43 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
ga-audiences
www.google.ca/ads/
42 B
63 B
Image
General
Full URL
https://www.google.ca/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&_ng=1&tid=G-CSFDVCPQ4F&cid=101739377.1721261144&gtm=45je47f0h1v899653930z8811879556za200zb811879556&aip=1&dma=0&gcd=13l3l3l3l1&npa=0&frm=0&z=465044271
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.251.174.94 Farmingdale, United States, ASN15169 (GOOGLE, US),
Reverse DNS
qc-in-f94.1e100.net
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
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/126.0.0.0 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 18 Jul 2024 00:05:44 GMT
x-content-type-options
nosniff
server
cafe
content-type
image/gif
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, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
www.google-analytics.com/j/
3 B
209 B
XHR
General
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j101&a=2095524305&t=pageview&_s=1&dl=https%3A%2F%2Fwww.duolingo.com%2Freferred%3Finviter_id%3D1306168919&ul=en-ca&de=UTF-8&dt=Learning%20Goal%20-%20Duolingo&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YADAAEABAAAAACgAI~&jid=971746965&gjid=1599036724&cid=101739377.1721261144&tid=UA-21595814-1&_gid=32240795.1721261144&_r=1&_slc=1&gtm=45He47h0n81TX6Z97Cv811879556za200&gcd=13l3l3l3l1&dma=0&tag_exp=0&did=i5iSjo&z=1467036362
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
209.85.232.101 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
qt-in-f101.1e100.net
Software
Golfe2 /
Resource Hash
1cffc2b3146584685cd72751d7f28aa030ab9ae2f1bc78f2c27909f8d8287b26
Security Headers
Name Value
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/126.0.0.0 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Thu, 18 Jul 2024 00:05:43 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.google.ca/pagead/1p-conversion/397119219/
Redirect Chain
  • https://googleads.g.doubleclick.net/pagead/viewthroughconversion/397119219/?random=546295890&cv=11&fst=1721261143532&bg=ffffff&guid=ON&async=1&gtm=45be47f0v9181788653z8811879556za201zb811879556&gcd...
  • https://www.google.com/pagead/1p-conversion/397119219/?random=546295890&cv=11&fst=1721261143532&bg=ffffff&guid=ON&async=1&gtm=45be47f0v9181788653z8811879556za201zb811879556&gcd=13l3l3l3l1&dma=0&tag...
  • https://www.google.ca/pagead/1p-conversion/397119219/?random=546295890&cv=11&fst=1721261143532&bg=ffffff&guid=ON&async=1&gtm=45be47f0v9181788653z8811879556za201zb811879556&gcd=13l3l3l3l1&dma=0&tag_...
42 B
64 B
Image
General
Full URL
https://www.google.ca/pagead/1p-conversion/397119219/?random=546295890&cv=11&fst=1721261143532&bg=ffffff&guid=ON&async=1&gtm=45be47f0v9181788653z8811879556za201zb811879556&gcd=13l3l3l3l1&dma=0&tag_exp=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.duolingo.com%2Freferred%3Finviter_id%3D1306168919&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&tiba=Learning%20Goal%20-%20Duolingo&value=1&npa=0&pscdl=noapi&auid=2093954162.1721261144&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&fdr=QA&capi=1&fmt=3&ct_cookie_present=false&crd=CLHBsQIIsMGxAgi5wbECSidldmVudC1zb3VyY2U7bmF2aWdhdGlvbi1zb3VyY2UsIHRyaWdnZXJaAwoBAWIECgICAw&pscrd=IhMIsOCfuKWvhwMVMlNHAR3i3gWPMgIIAzICCAQyAggHMgIICDICCAkyAggKMgIIAjICCAs6GWh0dHBzOi8vd3d3LmR1b2xpbmdvLmNvbS8&is_vtc=1&cid=CAQSGwDaQooLdYR-VbrelMbHE2Gh1QCMXzTFwvizRg&eitems=ChAI8NfdtAYQitzC3oHcweUVEh0ALXs3Gf3b_1nz8xerUpW5Y__rjMbICDS6ad05Aw&random=4128188246&ipr=y
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H3
Server
142.251.174.94 Farmingdale, United States, ASN15169 (GOOGLE, US),
Reverse DNS
qc-in-f94.1e100.net
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
Content-Security-Policy script-src 'none'; object-src 'none'
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/126.0.0.0 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 18 Jul 2024 00:05:44 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
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, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

pragma
no-cache
date
Thu, 18 Jul 2024 00:05:44 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
location
https://www.google.ca/pagead/1p-conversion/397119219/?random=546295890&cv=11&fst=1721261143532&bg=ffffff&guid=ON&async=1&gtm=45be47f0v9181788653z8811879556za201zb811879556&gcd=13l3l3l3l1&dma=0&tag_exp=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.duolingo.com%2Freferred%3Finviter_id%3D1306168919&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&tiba=Learning%20Goal%20-%20Duolingo&value=1&npa=0&pscdl=noapi&auid=2093954162.1721261144&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&fdr=QA&capi=1&fmt=3&ct_cookie_present=false&crd=CLHBsQIIsMGxAgi5wbECSidldmVudC1zb3VyY2U7bmF2aWdhdGlvbi1zb3VyY2UsIHRyaWdnZXJaAwoBAWIECgICAw&pscrd=IhMIsOCfuKWvhwMVMlNHAR3i3gWPMgIIAzICCAQyAggHMgIICDICCAkyAggKMgIIAjICCAs6GWh0dHBzOi8vd3d3LmR1b2xpbmdvLmNvbS8&is_vtc=1&cid=CAQSGwDaQooLdYR-VbrelMbHE2Gh1QCMXzTFwvizRg&eitems=ChAI8NfdtAYQitzC3oHcweUVEh0ALXs3Gf3b_1nz8xerUpW5Y__rjMbICDS6ad05Aw&random=4128188246&ipr=y
content-type
image/gif
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
1735692093320310
connect.facebook.net/signals/config/
60 KB
12 KB
Script
General
Full URL
https://connect.facebook.net/signals/config/1735692093320310?v=2.9.162&r=stable&domain=www.duolingo.com&hme=e67e7d148043b3a377ad0eb1c82669792a67ba5e3bb5734b69e611ae38f939ca&ex_m=68%2C115%2C102%2C106%2C59%2C3%2C95%2C67%2C15%2C92%2C85%2C49%2C52%2C163%2C166%2C178%2C174%2C175%2C177%2C28%2C96%2C51%2C74%2C176%2C158%2C161%2C171%2C172%2C179%2C124%2C39%2C33%2C136%2C14%2C48%2C184%2C183%2C126%2C17%2C38%2C1%2C41%2C63%2C64%2C65%2C69%2C89%2C16%2C13%2C91%2C88%2C87%2C103%2C50%2C105%2C37%2C104%2C29%2C25%2C159%2C162%2C133%2C27%2C10%2C11%2C12%2C5%2C6%2C24%2C21%2C22%2C55%2C60%2C62%2C72%2C97%2C26%2C73%2C8%2C7%2C77%2C46%2C20%2C99%2C98%2C100%2C93%2C9%2C19%2C18%2C82%2C54%2C80%2C32%2C71%2C0%2C90%2C31%2C79%2C84%2C45%2C44%2C83%2C36%2C4%2C86%2C78%2C42%2C34%2C81%2C2%2C35%2C61%2C40%2C101%2C43%2C76%2C66%2C107%2C58%2C57%2C30%2C94%2C56%2C53%2C47%2C75%2C70%2C23%2C108
Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/en_US/fbevents.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
157.240.229.1 Ashburn, United States, ASN32934 (FACEBOOK, US),
Reverse DNS
xx-fbcdn-shv-02-iad3.fbcdn.net
Software
/
Resource Hash
76ab90bf082d885e61487b0f38220adf483d8eb14e34c6d23515456e7fec29e6
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' 'unsafe-eval' 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/126.0.0.0 Safari/537.36

Response headers

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' 'unsafe-eval' 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';
content-encoding
gzip
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; preload; includeSubDomains
date
Thu, 18 Jul 2024 00:05:43 GMT
document-policy
force-load-at-top
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
12503
x-xss-protection
0
reporting-endpoints
coop_report="https://www.facebook.com/browser_reporting/coop/?minimize=0", coep_report="https://www.facebook.com/browser_reporting/coep/?minimize=0", permissions_policy="https://www.facebook.com/ajax/browser_error_reports/"
x-fb-connection-quality
EXCELLENT; q=0.9, rtt=44, rtx=0, c=63, mss=1316, tbw=64188, tp=-1, tpl=-1, uplat=1, ullat=-1
pragma
public
x-fb-debug
fyv2vzuYndV+z1LF2M+bU1wqDQ6Rh1oq8cJFORNbJqs1BMgG2QBKEb1x1VKWoz4bgg0ZfozOMYKWJ6gEAWJfZg==
cross-origin-embedder-policy-report-only
require-corp;report-to="coep_report"
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":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/coep\/?minimize=0"}],"group":"coep_report"}, {"max_age":21600,"endpoints":[{"url":"https:\/\/www.facebook.com\/ajax\/browser_error_reports\/"}],"group":"permissions_policy"}
content-type
application/x-javascript; charset=utf-8
x-frame-options
DENY
cache-control
public, max-age=1200
permissions-policy
accelerometer=(), attribution-reporting=(), autoplay=(), battery=(self), bluetooth=(), camera=(), 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=(), clipboard-write=(), compute-pressure=(), display-capture=(), encrypted-media=(), fullscreen=(self), gamepad=(), geolocation=(), gyroscope=(), hid=(), idle-detection=(), interest-cohort=(), keyboard-map=(), local-fonts=(), magnetometer=(), microphone=(), midi=(), otp-credentials=(), payment=(), picture-in-picture=(), private-state-token-issuance=(), publickey-credentials-get=(), screen-wake-lock=(), serial=(), shared-storage=(), shared-storage-select-url=(), private-state-token-redemption=(), usb=(), usb-unrestricted=(), unload=(self), window-management=(), xr-spatial-tracking=();report-to="permissions_policy"
timing-allow-origin
*
expires
Sat, 01 Jan 2000 00:00:00 GMT
/
www.facebook.com/tr/
0
274 B
Image
General
Full URL
https://www.facebook.com/tr/?id=1735692093320310&ev=PageView&dl=https%3A%2F%2Fwww.duolingo.com%2Freferred%3Finviter_id%3D1306168919&rl=&if=false&ts=1721261144138&sw=1600&sh=1200&v=2.9.162&r=stable&ec=0&o=4125&fbp=fb.1.1721261144137.343311506949168730&ler=empty&cdl=API_unavailable&it=1721261143930&coo=false&rqm=GET
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
157.240.229.35 Ashburn, United States, ASN32934 (FACEBOOK, US),
Reverse DNS
edge-star-mini-shv-02-iad3.facebook.com
Software
proxygen-bolt /
Resource Hash
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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/126.0.0.0 Safari/537.36

Response headers

x-fb-connection-quality
EXCELLENT; q=0.9, rtt=40, rtx=0, c=10, mss=1316, tbw=2785, tp=-1, tpl=-1, uplat=0, ullat=0
strict-transport-security
max-age=31536000; includeSubDomains
date
Thu, 18 Jul 2024 00:05:44 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
4 KB
Image
General
Full URL
https://www.facebook.com/privacy_sandbox/pixel/register/trigger/?id=1735692093320310&ev=PageView&dl=https%3A%2F%2Fwww.duolingo.com%2Freferred%3Finviter_id%3D1306168919&rl=&if=false&ts=1721261144138&sw=1600&sh=1200&v=2.9.162&r=stable&ec=0&o=4125&fbp=fb.1.1721261144137.343311506949168730&ler=empty&cdl=API_unavailable&it=1721261143930&coo=false&rqm=FGET
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/referred?inviter_id=1306168919
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
157.240.229.35 Ashburn, United States, ASN32934 (FACEBOOK, US),
Reverse DNS
edge-star-mini-shv-02-iad3.facebook.com
Software
/
Resource Hash
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Security Headers
Name Value
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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/126.0.0.0 Safari/537.36

Response headers

attribution-reporting-register-trigger
{"event_trigger_data":[{"trigger_data":"0"}],"aggregatable_trigger_data":[{"key_piece":"0x5d88fa0339cbd320","source_keys":["1","2"]},{"key_piece":"0xee8ad4f6b79a4777","source_keys":["1","2"]}],"aggregatable_values":{"1":1}}
content-encoding
zstd
x-content-type-options
nosniff
content-security-policy
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strict-transport-security
max-age=15552000; preload
document-policy
force-load-at-top
date
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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", coep_report="https://www.facebook.com/browser_reporting/coep/?minimize=0", default="https://www.facebook.com/ajax/browser_error_reports/?device_level=unknown&brsid=7392760322708815520", permissions_policy="https://www.facebook.com/ajax/browser_error_reports/"
x-fb-connection-quality
EXCELLENT; q=0.9, rtt=46, rtx=0, c=10, mss=1316, tbw=3103, tp=-1, tpl=-1, uplat=171, ullat=0
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cross-origin-embedder-policy-report-only
require-corp;report-to="coep_report"
cross-origin-opener-policy
same-origin-allow-popups;report-to="coop_report"
vary
Accept-Encoding
report-to
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content-type
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x-frame-options
DENY
origin-agent-cluster
?0
cache-control
private, no-store, no-cache, must-revalidate
permissions-policy
accelerometer=(), attribution-reporting=(self), autoplay=(), battery=(self), bluetooth=(), 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=(), 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=(), usb-unrestricted=(), unload=(self), window-management=(), xr-spatial-tracking=(self);report-to="permissions_policy"
expires
Sat, 01 Jan 2000 00:00:00 GMT
style
accounts.google.com/gsi/
533 B
608 B
Stylesheet
General
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
173.194.207.84 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
qk-in-f84.1e100.net
Software
ESF /
Resource Hash
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Security Headers
Name Value
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X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date
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content-security-policy
script-src 'report-sample' 'nonce-1UVLahQA8Br6UR6I7XFYSw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
content-encoding
gzip
x-content-type-options
nosniff
server
ESF
x-frame-options
SAMEORIGIN
report-to
{"group":"coop_dd7de8473bddc59c6b748810a67a39b1","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/dd7de8473bddc59c6b748810a67a39b1"}]}
content-type
text/css; charset=utf-8
cache-control
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cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
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cross-origin-opener-policy-report-only
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expires
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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
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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/126.0.0.0 Safari/537.36

Response headers

date
Tue, 16 Jan 2024 01:37:26 GMT
content-encoding
gzip
via
1.1 6123d2a57c9fa3d5613bea69a7290ae0.cloudfront.net (CloudFront)
last-modified
Fri, 12 Jan 2024 22:23:44 GMT
server
AmazonS3
x-amz-cf-pop
IAD61-P3
age
15892099
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
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Verdicts & Comments Add Verdict or Comment

54 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 function| OptanonWrapper object| duo object| webpackChunk boolean| supportsAbortController boolean| supportsElementAnimate boolean| supportsES2015 boolean| supportsEs2019 boolean| supportsIntersectionObserver boolean| supportsWebAssembly boolean| supportsResizeObserver object| features object| HIDE_APP_SMART_BANNER_PATH object| ___grecaptcha_cfg object| grecaptcha string| __recaptcha_api boolean| __google_recaptcha_client string| OnetrustActiveGroups string| OptanonActiveGroups object| dataLayer object| otStubData function| _ function| _fs_ready 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_54831 object| Optanon object| OneTrust object| default_gsi object| _F_toggles object| google object| closure_lm_780290 object| google_tag_manager object| google_tag_data string| GoogleAnalyticsObject function| fbq function| _fbq object| GooglebQhCsO object| googletag function| onYouTubeIframeAPIReady object| gaGlobal object| gaData object| __G_ID_CLIENT__

18 Cookies

Domain/Path Name / Value
.duolingo.com/ Name: logged_out_uuid
Value: c7e2431a-e087-4f42-be5e-800d418dce76
.duolingo.com/ Name: lang
Value: en
.duolingo.com/ Name: duocsexp3
Value: course_splash_redesign~experiment~
www.duolingo.com/ Name: wuuid
Value: 9ae11177-616d-4e41-97bd-ea448bd36ab9
.duolingo.com/ Name: tsl
Value: 1721261142987
.duolingo.com/ Name: lu
Value: https://www.duolingo.com/referred?inviter_id=1306168919
.duolingo.com/ Name: initial_referrer
Value: $direct
.duolingo.com/ Name: lr
Value:
www.duolingo.com/ Name: AWSALB
Value: v/bm2PviA6tqz2SJoSi7GE3A5Y0N5uVT4ITriBCPC5JP84H1F/32JFxrCZqmujEXA04BZxtPPgbrNBUUU0WvOG5FYXQdcFR8FdgBZxuuwrZuK+LMyUVrzBlSPm7n
www.duolingo.com/ Name: AWSALBCORS
Value: v/bm2PviA6tqz2SJoSi7GE3A5Y0N5uVT4ITriBCPC5JP84H1F/32JFxrCZqmujEXA04BZxtPPgbrNBUUU0WvOG5FYXQdcFR8FdgBZxuuwrZuK+LMyUVrzBlSPm7n
.duolingo.com/ Name: OptanonConsent
Value: isGpcEnabled=0&datestamp=Wed+Jul+17+2024+17%3A05%3A43+GMT-0700+(Pacific+Daylight+Time)&version=202404.1.0&browserGpcFlag=0&isIABGlobal=false&hosts=&consentId=eb25b395-8f5b-4104-bdf6-638848de7077&interactionCount=0&isAnonUser=1&landingPath=https%3A%2F%2Fwww.duolingo.com%2Freferred%3Finviter_id%3D1306168919&groups=C0001%3A1%2CC0002%3A1%2CC0003%3A1%2CC0004%3A1
.duolingo.com/ Name: _gcl_au
Value: 1.1.2093954162.1721261144
.duolingo.com/ Name: _ga_CSFDVCPQ4F
Value: GS1.1.1721261143.1.0.1721261143.60.0.0
.duolingo.com/ Name: _ga
Value: GA1.2.101739377.1721261144
.duolingo.com/ Name: _gid
Value: GA1.2.32240795.1721261144
.duolingo.com/ Name: _gat_UA-21595814-1
Value: 1
.doubleclick.net/ Name: test_cookie
Value: CheckForPermission
.duolingo.com/ Name: _fbp
Value: fb.1.1721261144137.343311506949168730

2 Console Messages

Source Level URL
Text
network error URL: https://brb.duolingo.com/0/web.json?user=0&ts=1721261143&tzoffset=-7
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=1721261143&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
af4a.adj.st
analytics.google.com
brb.duolingo.com
cdn.cookielaw.org
connect.facebook.net
d35aaqx5ub95lt.cloudfront.net
excess.duolingo.com
geolocation.onetrust.com
googleads.g.doubleclick.net
invite.duolingo.com
stats.g.doubleclick.net
www.duolingo.com
www.facebook.com
www.google-analytics.com
www.google.ca
www.google.com
www.googleadservices.com
www.googletagmanager.com
www.gstatic.com
www.recaptcha.net
zombie.duolingo.com
104.19.178.52
13.32.208.47
142.251.174.154
142.251.174.94
157.240.229.1
157.240.229.35
172.217.222.94
172.64.155.119
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173.194.207.84
173.194.66.154
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18.233.205.192
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