Submitted URL: http://184.72.124.184/
Effective URL: https://www.duolingo.com/
Submission: On January 01 via manual from IN

Summary

This website contacted 15 IPs in 5 countries across 13 domains to perform 65 HTTP transactions. The main IP is 3.224.232.161, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is www.duolingo.com.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on January 18th 2019. Valid for: 2 years.
This is the only time www.duolingo.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

Domain Requested by
37 d35aaqx5ub95lt.cloudfront.net www.duolingo.com
d35aaqx5ub95lt.cloudfront.net
8 excess.duolingo.com d35aaqx5ub95lt.cloudfront.net
4 www.duolingo.com d35aaqx5ub95lt.cloudfront.net
2 c0.adalyser.com www.duolingo.com
2 connect.facebook.net www.duolingo.com
connect.facebook.net
2 9814127.fls.doubleclick.net 1 redirects www.googletagmanager.com
2 www.google-analytics.com www.googletagmanager.com
d35aaqx5ub95lt.cloudfront.net
2 collector-pxasqjfz9w.px-cloud.net d35aaqx5ub95lt.cloudfront.net
1 www.google.de www.duolingo.com
1 www.google.com www.duolingo.com
1 www.facebook.com www.duolingo.com
1 stats.g.doubleclick.net d35aaqx5ub95lt.cloudfront.net
1 client.perimeterx.net d35aaqx5ub95lt.cloudfront.net
1 edge.fullstory.com d35aaqx5ub95lt.cloudfront.net
1 www.googletagmanager.com d35aaqx5ub95lt.cloudfront.net
65 15
Subject Issuer Validity Valid
*.duolingo.com
Go Daddy Secure Certificate Authority - G2
2019-01-18 -
2021-01-18
2 years crt.sh
*.cloudfront.net
DigiCert Global CA G2
2020-05-26 -
2021-04-21
a year crt.sh
*.google-analytics.com
GTS CA 1O1
2020-11-10 -
2021-02-02
3 months crt.sh
edge.fullstory.com
GTS CA 1D2
2020-12-26 -
2021-03-26
3 months crt.sh
f4.shared.global.fastly.net
GlobalSign CloudSSL CA - SHA256 - G3
2020-12-28 -
2021-05-07
4 months crt.sh
*.px-cloud.net
Let's Encrypt Authority X3
2020-10-27 -
2021-01-25
3 months crt.sh
*.doubleclick.net
GTS CA 1O1
2020-11-10 -
2021-02-02
3 months crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA
2020-11-02 -
2021-01-30
3 months crt.sh
*.adalyser.com
Thawte RSA CA 2018
2019-06-04 -
2021-07-07
2 years crt.sh
*.g.doubleclick.net
GTS CA 1O1
2020-11-10 -
2021-02-02
3 months crt.sh
www.google.com
GTS CA 1O1
2020-11-10 -
2021-02-02
3 months crt.sh
www.google.de
GTS CA 1O1
2020-11-10 -
2021-02-02
3 months crt.sh

This page contains 2 frames:

Primary Page: https://www.duolingo.com/
Frame ID: 186D57E8B94C62522C48A511D3E67B52
Requests: 60 HTTP requests in this frame

Frame: https://9814127.fls.doubleclick.net/activityi;dc_pre=CPSbyKPS--0CFRbLuwgdragAIg;src=9814127;type=hv3;cat=allpa0;ord=7312429288674;gtm=2wgbu0;auiddc=1984599551.1609535311;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Frame ID: 51309B41BF92B67324145B32173CE5BB
Requests: 1 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

  1. http://184.72.124.184/ HTTP 302
    https://www.duolingo.com/ Page URL

Detected technologies

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

Overall confidence: 100%
Detected patterns
  • html /googletagmanager\.com\/ns\.html[^>]+><\/iframe>/i

Page Statistics

65
Requests

100 %
HTTPS

50 %
IPv6

13
Domains

15
Subdomains

15
IPs

5
Countries

927 kB
Transfer

3078 kB
Size

22
Cookies

Page URL History

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

  1. http://184.72.124.184/ HTTP 302
    https://www.duolingo.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 53
  • https://9814127.fls.doubleclick.net/activityi;src=9814127;type=hv3;cat=allpa0;ord=7312429288674;gtm=2wgbu0;auiddc=1984599551.1609535311;~oref=https%3A%2F%2Fwww.duolingo.com%2F HTTP 302
  • https://9814127.fls.doubleclick.net/activityi;dc_pre=CPSbyKPS--0CFRbLuwgdragAIg;src=9814127;type=hv3;cat=allpa0;ord=7312429288674;gtm=2wgbu0;auiddc=1984599551.1609535311;~oref=https%3A%2F%2Fwww.duolingo.com%2F

65 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
www.duolingo.com/
Redirect Chain
  • http://184.72.124.184/
  • https://www.duolingo.com/
17 KB
6 KB
Document
General
Full URL
https://www.duolingo.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.224.232.161 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-224-232-161.compute-1.amazonaws.com
Software
duo-api /
Resource Hash
6ceba7b1c5b1704e593ab4de0ab645fd1e372138e047f6a50fee35eee8b16216
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

:method
GET
:authority
www.duolingo.com
:scheme
https
:path
/
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site
none
sec-fetch-mode
navigate
sec-fetch-user
?1
sec-fetch-dest
document
accept-encoding
gzip, deflate, br
accept-language
en-US
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 01 Jan 2021 21:08:29 GMT
content-type
text/html; charset=UTF-8
set-cookie
AWSALB=f9AJt5l7D3MjpSh3TJKmzbEUDYhcdSeSVKu8ivAgGvI6eKnhc96yurbrRNIrNbT8k5X6M2srnD3a9yLQb3rnLi1brnuICqsSx79QFbFkpTYbAe700o5X0GMo43nb; Expires=Fri, 08 Jan 2021 21:08:29 GMT; Path=/ AWSALBCORS=f9AJt5l7D3MjpSh3TJKmzbEUDYhcdSeSVKu8ivAgGvI6eKnhc96yurbrRNIrNbT8k5X6M2srnD3a9yLQb3rnLi1brnuICqsSx79QFbFkpTYbAe700o5X0GMo43nb; Expires=Fri, 08 Jan 2021 21:08:29 GMT; Path=/; SameSite=None; Secure logged_out_uuid=8ceb06eb-89de-4f82-8be5-1cfb1288a904; Domain=.duolingo.com; Max-Age=31536000; Path=/; expires=Sat, 01-Jan-2022 21:08:29 GMT lang=en; Domain=.duolingo.com; Max-Age=31536000; Path=/; expires=Sat, 01-Jan-2022 21:08:29 GMT wuuid=af3d1b23-9296-4b72-9ea0-77e140f740ff
server
duo-api
surrogate-control
no-store
expires
0
pragma
no-cache
cache-control
no-store, no-cache, must-revalidate, proxy-revalidate
x-frame-options
SAMEORIGIN
x-tid
ffff08e85fef8dea01ef
x-ws
UK
x-runtime
0.02777
x-ipcountry
US
content-encoding
gzip
x-envoy-upstream-service-time
29
x-duo-request-host
www.duolingo.com

Redirect headers

Server
nginx/1.4.6 (Ubuntu)
Date
Fri, 01 Jan 2021 21:08:29 GMT
Content-Type
text/html
Content-Length
169
Connection
keep-alive
Location
https://www.duolingo.com/
app-6b48245a.css
d35aaqx5ub95lt.cloudfront.net/css/
98 KB
21 KB
Stylesheet
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/app-6b48245a.css
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:0:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
b22fa0df086651f013087a651a99e1d6e2df7e9be9eb3d95b89a2efbd29fce05

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 29 Dec 2020 18:26:06 GMT
content-encoding
gzip
last-modified
Tue, 29 Dec 2020 18:08:59 GMT
server
AmazonS3
age
268945
etag
"794bd38be27122a5a2a52e62625fd3b8"
x-cache
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content-type
text/css
via
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cache-control
max-age=315360000
x-amz-cf-pop
FRA56-C1
accept-ranges
bytes
content-length
21366
x-amz-cf-id
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reactVendor.react-router-1402510a.js
d35aaqx5ub95lt.cloudfront.net/js/
21 KB
7 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-router-1402510a.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:0:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
27d6a008154b49aaa242f3382dc1b70c95eac94d2bb9ce16750711fc3aa25b6c

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 09 Dec 2020 22:01:42 GMT
content-encoding
gzip
last-modified
Wed, 09 Dec 2020 21:37:13 GMT
server
AmazonS3
age
1984009
etag
"b72ce99e48c9c81d4a14a4fd07da254a"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 46546eb404789d29bf372f6a3fe43876.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-C1
accept-ranges
bytes
content-length
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x-amz-cf-id
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d35aaqx5ub95lt.cloudfront.net/js/
10 KB
4 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-redux-8e57e0e6.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:0:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
01a9b299486237465d8e03845eca2c0f73ab875e25b2e6d66a0aff4b89a5fd83

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 09 Dec 2020 22:01:42 GMT
content-encoding
gzip
last-modified
Wed, 09 Dec 2020 21:37:13 GMT
server
AmazonS3
age
1984009
etag
"1bd1607872f1275dc2e8d4f944ec38ed"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 46546eb404789d29bf372f6a3fe43876.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-C1
accept-ranges
bytes
content-length
3502
x-amz-cf-id
OqXdRl7WSf5nvlps4sCznsweyurvYs7eHP7E6QFsJSB_UXRU9nA5rA==
reactVendor.react-focus-lock-674d3796.js
d35aaqx5ub95lt.cloudfront.net/js/
5 KB
2 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-focus-lock-674d3796.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:0:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
57bc2059a16fc766e6a4971432e503d60f1013a6a7b86bb52fafc3b595928fec

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 09 Dec 2020 22:01:42 GMT
content-encoding
gzip
last-modified
Wed, 09 Dec 2020 21:37:13 GMT
server
AmazonS3
age
1984009
etag
"84bf60239338776cde368b8a4c78c127"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 46546eb404789d29bf372f6a3fe43876.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-C1
accept-ranges
bytes
content-length
2113
x-amz-cf-id
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reactVendor.react-transition-group-41c98ab7.js
d35aaqx5ub95lt.cloudfront.net/js/
9 KB
3 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-transition-group-41c98ab7.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:0:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
5d3223dec300364f924ac5dc21e07cb2d3f05fb2f6e0444ed26402a8c590500c

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Sun, 13 Dec 2020 05:37:22 GMT
content-encoding
gzip
last-modified
Fri, 11 Dec 2020 17:23:30 GMT
server
AmazonS3
age
1697468
etag
"9fc49354c6403186cbe35b56ca2db0db"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 46546eb404789d29bf372f6a3fe43876.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-C1
accept-ranges
bytes
content-length
2913
x-amz-cf-id
F0xi2s4BOGJ3Nsc3beTLYGqSIhsSJurtyZ0gDw_c5FrBvRmRx7gcJg==
reactVendor.react-dom-8ed63341.js
d35aaqx5ub95lt.cloudfront.net/js/
134 KB
43 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-dom-8ed63341.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:0:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
f7cda33916508a26f39f86a2e1de1517abbab9e87ebda20572b74009eaa7e7ff

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 09 Dec 2020 22:01:42 GMT
content-encoding
gzip
last-modified
Wed, 09 Dec 2020 21:37:13 GMT
server
AmazonS3
age
1984009
etag
"51657bdb2673ec8d97be1e63b5b6c456"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 46546eb404789d29bf372f6a3fe43876.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-C1
accept-ranges
bytes
content-length
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x-amz-cf-id
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reactVendor.react-popper-aab37750.js
d35aaqx5ub95lt.cloudfront.net/js/
3 KB
2 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-popper-aab37750.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:0:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
6ec95acab6904b70f9d6f52c36d1df008ae9718aea60386d64101c06acc55ef1

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 09 Dec 2020 22:01:42 GMT
content-encoding
gzip
last-modified
Wed, 09 Dec 2020 21:37:13 GMT
server
AmazonS3
age
1984009
etag
"d46094aa7f9a097992f8a6d6bf26ff8b"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 46546eb404789d29bf372f6a3fe43876.cloudfront.net (CloudFront)
cache-control
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FRA56-C1
accept-ranges
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reactVendor.react-is-541001fe.js
d35aaqx5ub95lt.cloudfront.net/js/
2 KB
1 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-is-541001fe.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:0:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 09 Dec 2020 22:01:42 GMT
content-encoding
gzip
last-modified
Wed, 09 Dec 2020 21:37:13 GMT
server
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age
1984009
etag
"2172bb6a02bfd7e5a33c30f6be7aca39"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 46546eb404789d29bf372f6a3fe43876.cloudfront.net (CloudFront)
cache-control
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accept-ranges
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x-amz-cf-id
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reactVendor.react-85890c9e.js
d35aaqx5ub95lt.cloudfront.net/js/
6 KB
3 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-85890c9e.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:0:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
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content-encoding
gzip
last-modified
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server
AmazonS3
age
1984009
etag
"99aac05a0094acbfd2bf0515f6bf18af"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 46546eb404789d29bf372f6a3fe43876.cloudfront.net (CloudFront)
cache-control
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x-amz-cf-pop
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accept-ranges
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x-amz-cf-id
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reactVendor.react-clientside-effect-cd0c1c8b.js
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Requested by
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-20ce3e8a.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
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Software
/
Resource Hash
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Request headers

Referer
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User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Content-type
application/x-www-form-urlencoded

Response headers

date
Fri, 01 Jan 2021 21:08:30 GMT
via
1.1 google
access-control-allow-methods
GET,HEAD,PUT,PATCH,POST,DELETE
content-type
application/json; charset=utf-8
access-control-allow-origin
https://www.duolingo.com
access-control-allow-credentials
true
timing-allow-origin
*
alt-svc
clear
content-length
654
analytics.js
www.google-analytics.com/
46 KB
18 KB
Script
General
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
2a00:1450:4001:809::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
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User-Agent
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Response headers

strict-transport-security
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content-encoding
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server
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age
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date
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expires
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9814127.fls.doubleclick.net/ Frame 5130
Redirect Chain
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Full URL
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Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-TX6Z97C
Protocol
H3-Q050
Security
QUIC, , AES_128_GCM
Server
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Reverse DNS
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Software
cafe /
Resource Hash
Security Headers
Name Value
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Request headers

:method
GET
:authority
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:scheme
https
:path
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pragma
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user-agent
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accept
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sec-fetch-site
cross-site
sec-fetch-mode
navigate
sec-fetch-dest
iframe
referer
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accept-encoding
gzip, deflate, br
accept-language
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Upgrade-Insecure-Requests
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User-Agent
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Referer
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Response headers

p3p
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timing-allow-origin
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cross-origin-resource-policy
cross-origin
date
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expires
Fri, 01 Jan 1990 00:00:00 GMT
cache-control
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strict-transport-security
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content-type
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pragma
no-cache
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content-encoding
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Redirect headers

p3p
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pragma
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cache-control
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strict-transport-security
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content-type
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nosniff
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alt-svc
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fbevents.js
connect.facebook.net/en_US/
90 KB
23 KB
Script
General
Full URL
https://connect.facebook.net/en_US/fbevents.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f02d:12:face:b00c:0:3 , Ireland, ASN32934 (FACEBOOK, 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
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User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

content-security-policy
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cross-origin-resource-policy
cross-origin
alt-svc
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content-length
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x-fb-rlafr
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x-frame-options
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date
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strict-transport-security
max-age=31536000; preload; includeSubDomains
content-type
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vary
Accept-Encoding
cache-control
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expires
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35 KB
12 KB
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General
Full URL
https://c0.adalyser.com/adalyser.js?cid=duolingo
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
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Reverse DNS
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Software
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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
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X-Powered-By
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collect
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2 B
127 B
XHR
General
Full URL
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Requested by
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-20ce3e8a.js
Protocol
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Security Headers
Name Value
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Request headers

Referer
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User-Agent
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Content-Type
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Response headers

pragma
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x-content-type-options
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server
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content-length
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expires
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1735692093320310
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241 KB
69 KB
Script
General
Full URL
https://connect.facebook.net/signals/config/1735692093320310?v=2.9.31&r=stable
Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/en_US/fbevents.js
Protocol
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Security
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Security Headers
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Request headers

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Response headers

content-security-policy
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date
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strict-transport-security
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expires
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collect
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4 B
89 B
XHR
General
Full URL
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Requested by
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Protocol
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Security
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Software
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Security Headers
Name Value
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Request headers

Referer
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User-Agent
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Response headers

pragma
no-cache
strict-transport-security
max-age=10886400; includeSubDomains; preload
x-content-type-options
nosniff
last-modified
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server
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date
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content-type
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cache-control
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expires
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/
www.facebook.com/tr/
44 B
259 B
Image
General
Full URL
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Requested by
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URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Security Headers
Name Value
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Request headers

Referer
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User-Agent
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Response headers

date
Fri, 01 Jan 2021 21:08:30 GMT
last-modified
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server
proxygen-bolt
strict-transport-security
max-age=31536000; includeSubDomains
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alt-svc
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42 B
296 B
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
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Software
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Resource Hash
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Name Value
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Request headers

Referer
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Response headers

pragma
no-cache
date
Fri, 01 Jan 2021 21:08:30 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
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
content-type
image/gif
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
ga-audiences
www.google.de/ads/
42 B
107 B
Image
General
Full URL
https://www.google.de/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j87&tid=UA-21595814-1&cid=527235161.1609535311&jid=1802481390&_u=YEBAAEAAAAAAAC~&z=1356933088
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:806::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
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 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

pragma
no-cache
date
Fri, 01 Jan 2021 21:08:30 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
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
content-type
image/gif
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
p
c0.adalyser.com/tracking/track/v3/
43 B
478 B
Image
General
Full URL
https://c0.adalyser.com/tracking/track/v3/p?stm=1609535310832&e=lce1&url=https%3A%2F%2Fwww.duolingo.com%2F&cid=duolingo&p=%7B%22et%22%3A1609535310830%2C%22nr%22%3A%22New%22%2C%22cg%22%3A%22Direct%22%2C%22dt%22%3A%22desktop%22%2C%22so%22%3A%22direct%22%2C%22me%22%3A%22none%22%2C%22ca%22%3A%22direct%22%2C%22co%22%3A%22(not%20set)%22%2C%22ke%22%3A%22(not%20set)%22%2C%22vid%22%3A%221%22%2C%22sid%22%3A%229e2eca14-653d-494f-9697-f1fd7224c9dd%22%2C%22duid%22%3A%22d2167c82-25e6-4d5c-b6c3-764eb1e43d1c%22%2C%22cw%22%3A1609535310830%7D&userAgent=Mozilla%2F5.0%20(Macintosh%3B%20Intel%20Mac%20OS%20X%2010_14_5)%20AppleWebKit%2F537.36%20(KHTML%2C%20like%20Gecko)%20Chrome%2F83.0.4103.61%20Safari%2F537.36&domain=www.duolingo.com
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.210.138.99 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-52-210-138-99.eu-west-1.compute.amazonaws.com
Software
/ Express
Resource Hash
a065920df8cc4016d67c3a464be90099c9d28ffe7c9e6ee3a18f257efc58cbd7

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Pragma
no-cache
Date
Fri, 01 Jan 2021 21:08:30 GMT
ETag
W/"2b-B//0C13UlayirE4cP7xgqg"
X-Powered-By
Express
P3P
CP="ADMa OUR IND DSP NON COR"
Access-Control-Allow-Origin
*
Cache-Control
no-cache, no-store, must-revalidate
Access-Control-Allow-Credentials
true
Connection
keep-alive
content-type
image/gif
Access-Control-Allow-Headers
origin, content-type, accept
Content-Length
43
Expires
0
collector
collector-pxasqjfz9w.px-cloud.net/api/v2/
366 B
431 B
XHR
General
Full URL
https://collector-pxasqjfz9w.px-cloud.net/api/v2/collector
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-20ce3e8a.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
35.186.220.184 Mountain View, United States, ASN15169 (GOOGLE, US),
Reverse DNS
184.220.186.35.bc.googleusercontent.com
Software
/
Resource Hash
c66fbef2edbb5d9b6272c0929129af761a2006d7f54112c8884c6e17190baf1b

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Content-type
application/x-www-form-urlencoded

Response headers

date
Fri, 01 Jan 2021 21:08:30 GMT
via
1.1 google
access-control-allow-methods
GET,HEAD,PUT,PATCH,POST,DELETE
content-type
application/json; charset=utf-8
access-control-allow-origin
https://www.duolingo.com
access-control-allow-credentials
true
timing-allow-origin
*
alt-svc
clear
content-length
366

Verdicts & Comments Add Verdict or Comment

77 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| ontransitionrun object| ontransitionstart object| ontransitioncancel object| cookieStore function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker object| trustedTypes boolean| crossOriginIsolated object| duo boolean| objectEntries object| features undefined| el object| webpackJsonp function| setImmediate function| clearImmediate number| _rollbarStartTime function| rollbar boolean| _rollbarDidLoad function| _rollbarURH function| HowlerGlobal object| Howler function| Howl function| Sound object| dataLayer function| ga object| gaDevIds object| gaplugins boolean| _fs_debug string| _fs_host string| _fs_script string| _fs_org string| _fs_namespace function| FS boolean| _fs_initialized string| _pxAppId string| _pxParam1 string| _pxParam2 object| google_tag_manager string| _fs_loaded function| _fs_shutdown object| PXAsQJFZ9W object| PX undefined| _AsQJFZ9Whandler object| google_tag_data string| GoogleAnalyticsObject function| fbq function| _fbq object| GlobalAdalyserNamespace function| adalyserTracker object| gaGlobal object| gaData function| adalyserModules function| trackerCore function| rng object| _rnds8 undefined| _rnds function| parse function| unparse function| v1 function| v4 object| _byteToHex object| _hexToByte object| _seedBytes object| _nodeId number| _clockseq number| _lastMSecs number| _lastNSecs function| uuid function| cookie string| queueName function| queue function| sha1 function| api object| mutState object| AdalyserTracker

22 Cookies

Domain/Path Name / Value
.duolingo.com/ Name: __adal_ca
Value: so%3Ddirect%26me%3Dnone%26ca%3Ddirect%26co%3D%28not%2520set%29%26ke%3D%28not%2520set%29
.duolingo.com/ Name: __adal_id
Value: d2167c82-25e6-4d5c-b6c3-764eb1e43d1c.1609535311.1.1609535311.1609535311.9e2eca14-653d-494f-9697-f1fd7224c9dd
.doubleclick.net/ Name: IDE
Value: AHWqTUllu8J7F9Rmon7u1XC8qhiTqe7IQEBABlgsl8RzMstZ_6eJFOdMDdgc38u7
.duolingo.com/ Name: __adal_ses
Value: *
.duolingo.com/ Name: _px3
Value: cf4838d3dfd1fa0b581137605b93c08e9faba0005db7947d57a5d672b10c48ea:owZJYZCpqfcUzymhE/EDgJwjw5WjVpfCuK+QwnnEwHwHXXtFpc421+/4FPmoQoJzS6azXCyA9hdXrMPYNIWo7Q==:1000:AeFAbsxwq+plrwT5AnHlXpf+UageBO2/I+iE51g7K6EM3TZ3pRWIbOnc3TLA9KqDUHfKwLWVPUPdjOZ370/xsT5tLM/YlYqnW7AnYWtt4qtzc8mQFC2nponBy2z7GXI77pWPQ6Fg9tN8A5Svng6aBoByFXOHxediP23oRLiljAM=
.duolingo.com/ Name: _fbp
Value: fb.1.1609535310652.1774917762
.duolingo.com/ Name: _gcl_au
Value: 1.1.1984599551.1609535311
.duolingo.com/ Name: lp
Value: splash
.duolingo.com/ Name: _pxvid
Value: 7ff2af82-4c75-11eb-9f0e-0242ac12000e
www.duolingo.com/ Name: wuuid
Value: af3d1b23-9296-4b72-9ea0-77e140f740ff
www.duolingo.com/ Name: AWSALB
Value: NDjCqt3aD/RYzihDYKjankjOJ86K9W7TSmiXeH9PdHlQcGGvkyk0PP2cotwUkIbpjZyW7Juz+fl/BYI82oBZjyGOiSkzvBsn82zzief0eorAmgPszBp7I7CwGF0+
.duolingo.com/ Name: lr
Value:
.duolingo.com/ Name: __adal_cw
Value: 1609535310830
.duolingo.com/ Name: initial_referrer
Value: $direct
www.duolingo.com/ Name: AWSALBCORS
Value: NDjCqt3aD/RYzihDYKjankjOJ86K9W7TSmiXeH9PdHlQcGGvkyk0PP2cotwUkIbpjZyW7Juz+fl/BYI82oBZjyGOiSkzvBsn82zzief0eorAmgPszBp7I7CwGF0+
.duolingo.com/ Name: _gat_UA-21595814-1
Value: 1
.duolingo.com/ Name: _gid
Value: GA1.2.557021096.1609535311
.duolingo.com/ Name: lu
Value: https://www.duolingo.com/
.duolingo.com/ Name: logged_out_uuid
Value: 8ceb06eb-89de-4f82-8be5-1cfb1288a904
.duolingo.com/ Name: _ga
Value: GA1.2.527235161.1609535311
.duolingo.com/ Name: tsl
Value: 1609535310211
.duolingo.com/ Name: lang
Value: en

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.

9814127.fls.doubleclick.net
c0.adalyser.com
client.perimeterx.net
collector-pxasqjfz9w.px-cloud.net
connect.facebook.net
d35aaqx5ub95lt.cloudfront.net
edge.fullstory.com
excess.duolingo.com
stats.g.doubleclick.net
www.duolingo.com
www.facebook.com
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
151.101.114.110
172.217.23.102
184.72.124.184
2600:9000:206f:0:7:60cd:e840:21
2a00:1450:4001:806::2003
2a00:1450:4001:808::2008
2a00:1450:4001:809::200e
2a00:1450:4001:824::2004
2a00:1450:400c:c0c::9c
2a03:2880:f02d:12:face:b00c:0:3
2a03:2880:f12d:83:face:b00c:0:25de
3.224.232.161
35.186.220.184
35.201.112.186
52.210.138.99
54.145.157.33
01a9b299486237465d8e03845eca2c0f73ab875e25b2e6d66a0aff4b89a5fd83
04bc37fb3f11974b8021fbdf81f841fed0dec93469c84c21a12f7ff4126e2524
10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa
11cc7facdde14e62cd06df95256604ae1f8884d252855ce71bd40c00f4fb490f
159110457d8f7932702707e9544b1bcf309a3db45f4c5d444589049ab4f438ea
181e8133e6a5b446028a2d31b99fbe9989c25b8b17489dce95202cba01e5eced
198dc57857fa4fdeaa90904c6919a7d80029721dd06d266811d27b8b0ce18a24
1bc4906cff8a0a0ccd6fab35089dbc24bec29db451849837d0767ff06db471cb
26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615
27d6a008154b49aaa242f3382dc1b70c95eac94d2bb9ce16750711fc3aa25b6c
2cba4afc2aed0447a606ac6a5dc5da41c0832a6f18ff97d2550b61a14916447c
2cf647948337600dbe8558d968ba52007326132a72245429a5fa9c0ba3a46eda
3cd1086b9aa46665fe2ad83ddae0a1ba7806ad97451933c1a53326ecf2217165
3d4b224bfc4e270b27ea6db9bac29cc57e4c7056c223342f53142875e237d785
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49f8dc65b639f7cecfc3a84b6ed1b286c395dfc8173e8aa98c15442a7e8bfae2
4c70f418891e0f58d57bd2ab13b9e865fd0f156ece78d07f9b0f4fc7ca568db1
4edee1b7ddbb74103e5cfbecb6aee2ef752e466907a76042c12eb1873537a212
4fab343f62246d4933782b94f5d629aadd3d751b3f7673b11b411ac2e48d1390
4fc35fbc82802a19690bea33c5cee6c6d6054a607f43928627bf097dd8406a9b
57bc2059a16fc766e6a4971432e503d60f1013a6a7b86bb52fafc3b595928fec
5d3223dec300364f924ac5dc21e07cb2d3f05fb2f6e0444ed26402a8c590500c
6287e393d1cd849c6b986d2a33c77b48522bdfb19de02f795834b391a8184dd7
6ceba7b1c5b1704e593ab4de0ab645fd1e372138e047f6a50fee35eee8b16216
6ec95acab6904b70f9d6f52c36d1df008ae9718aea60386d64101c06acc55ef1
7c79516b77a39ed17ad76e32e68901b2ad0f9f2ceaf96c2571c8e50fc9b0b15d
807061542b2cdbaef533fdc4ca71f30b30a5b090165f332afca3b5539e04f3ca
83dc62f35233aadda10bfb26a91fb995298d6ab5fbf3feaad9c3e81e1bed1cde
84e01419bd81f32ac6df0f75f49c604fda9172000a3ae432b3c47b2a6a712d80
912729deb7fba866da89a4ac724aadf7bd5cc81462540a1d6e68efb256b36514
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9706ae88dfcdb9d7b8479b5ecf989bf8c53bab826459485a6b1f6be06de4fd01
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adc639cf8240c2fd4adb44d694d226ad0a8b6c18dce215c50c1f6d927bc3292a
b22fa0df086651f013087a651a99e1d6e2df7e9be9eb3d95b89a2efbd29fce05
b79acc5568d4641a8b15a6c3a074bab843e132e539b9f09044a377cecdda7472
bc315c68c48cee75494bfc89bd5e789f8bca04754367a2d365a02255b2f44a6a
bf27ada2416ec2a2a6b0944de6c9e35f231a0ee77b12bac162097056c6d6d69e
bf388f2eaef1f879d0637b8a116321edb30fdc01d1263ea6fcd8f0108e71e68f
c1b356f3f76ac3ce3f19997f63fa181cb9d05cd531eb1ee612ce69a2a57fa56f
c3a85d4e2cb999d449c07d10be28517b4ff3817f9127debb5c6f7711de1efcd4
c66fbef2edbb5d9b6272c0929129af761a2006d7f54112c8884c6e17190baf1b
cb5558a5a2c140a6e52661428c48fec8a0ec154a689dfcb22cfe91d228ff3576
de3246094525b21a870fc7d2a67490d0132535c6fa5993755c549f1a9d1bd8af
e143d5d5bc7a7a35b01cf86bdd1255c3f61c638e6039e709d1e1aae2705bec98
e15eba092768361a57c25dbf868c353f80fc153ce5ff09c313c4e022de1a29ea
e441c3e2771625ba05630ab464275136a82c99650ee2145ca5aa9853bedeb01b
eb6f2fd06b5aa6242490e6649ebce919c549183037200adb69b1d531dcb8fe78
ec078f79e27c3ad2f41eb5340fa93539fa32eaad4eb193ada5c23a497d3b939c
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
f2cd1fbade1c33c155e3caa2a0540567f51aa0e62f5d806bdec841ef5c4a0139
f41050be7accd71abf26ff1227f137e949df2d74fc21b4c212e29245b9f6b9e6
f7cda33916508a26f39f86a2e1de1517abbab9e87ebda20572b74009eaa7e7ff