Submitted URL: http://www.duolingo.com/
Effective URL: https://www.duolingo.com/
Submission: On June 30 via api from US

Summary

This website contacted 25 IPs in 4 countries across 18 domains to perform 96 HTTP transactions. The main IP is 54.225.111.61, 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 November 19th 2020. 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 5 54.225.111.61 14618 (AMAZON-AES)
5 2606:4700::68... 13335 (CLOUDFLAR...)
38 2600:9000:20e... 16509 (AMAZON-02)
14 100.26.88.200 14618 (AMAZON-AES)
1 2a00:1450:400... 15169 (GOOGLE)
1 2606:4700:10:... 13335 (CLOUDFLAR...)
2 3.224.232.161 14618 (AMAZON-AES)
1 151.101.113.40 54113 (FASTLY)
1 13.227.211.70 16509 (AMAZON-02)
1 2a00:1450:400... 15169 (GOOGLE)
1 3 142.250.185.70 15169 (GOOGLE)
2 172.217.16.130 15169 (GOOGLE)
4 2a03:2880:f01... 32934 (FACEBOOK)
2 108.128.221.38 16509 (AMAZON-02)
2 35.186.220.184 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
3 2a03:2880:f11... 32934 (FACEBOOK)
1 1 2a00:1450:400... 15169 (GOOGLE)
1 1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 52.50.64.214 16509 (AMAZON-02)
1 2a00:1450:400... 15169 (GOOGLE)
2 2a02:26f0:6c0... 20940 (AKAMAI-ASN1)
3 184.30.24.193 16625 (AKAMAI-AS)
96 25
Domain Requested by
38 d35aaqx5ub95lt.cloudfront.net www.duolingo.com
d35aaqx5ub95lt.cloudfront.net
14 excess.duolingo.com d35aaqx5ub95lt.cloudfront.net
5 cdn.cookielaw.org www.duolingo.com
cdn.cookielaw.org
d35aaqx5ub95lt.cloudfront.net
5 www.duolingo.com 1 redirects d35aaqx5ub95lt.cloudfront.net
4 connect.facebook.net www.duolingo.com
connect.facebook.net
9814127.fls.doubleclick.net
3 ct.pinterest.com s.pinimg.com
9814127.fls.doubleclick.net
3 www.facebook.com www.duolingo.com
9814127.fls.doubleclick.net
3 www.google.com 1 redirects www.duolingo.com
3 9814127.fls.doubleclick.net 1 redirects www.googletagmanager.com
www.duolingo.com
2 s.pinimg.com 9814127.fls.doubleclick.net
s.pinimg.com
2 www.google.de www.duolingo.com
2 collector-pxasqjfz9w.px-cloud.net d35aaqx5ub95lt.cloudfront.net
2 c0.adalyser.com www.duolingo.com
2 www.googleadservices.com www.googletagmanager.com
www.googleadservices.com
2 www.google-analytics.com www.googletagmanager.com
d35aaqx5ub95lt.cloudfront.net
2 stories.duolingo.com d35aaqx5ub95lt.cloudfront.net
1 adservice.google.com 9814127.fls.doubleclick.net
1 insight.adsrvr.org 9814127.fls.doubleclick.net
1 googleads.g.doubleclick.net 1 redirects
1 stats.g.doubleclick.net d35aaqx5ub95lt.cloudfront.net
1 brb.duolingo.com d35aaqx5ub95lt.cloudfront.net
1 client.perimeterx.net d35aaqx5ub95lt.cloudfront.net
1 geolocation.onetrust.com cdn.cookielaw.org
1 www.googletagmanager.com d35aaqx5ub95lt.cloudfront.net
96 24
Subject Issuer Validity Valid
*.duolingo.com
Go Daddy Secure Certificate Authority - G2
2020-11-19 -
2021-12-21
a year crt.sh
cookielaw.org
Cloudflare Inc ECC CA-3
2021-06-01 -
2022-05-31
a year crt.sh
*.cloudfront.net
Amazon
2021-03-19 -
2022-03-17
a year crt.sh
*.google-analytics.com
GTS CA 1C3
2021-05-31 -
2021-08-23
3 months crt.sh
onetrust.com
Cloudflare Inc ECC CA-3
2021-02-12 -
2022-02-11
a year crt.sh
*.perimeterx.net
GlobalSign Atlas R3 DV TLS CA 2020
2021-05-16 -
2022-06-17
a year crt.sh
*.google.com
GTS CA 1C3
2021-06-07 -
2021-08-30
3 months crt.sh
*.doubleclick.net
GTS CA 1C3
2021-06-07 -
2021-08-30
3 months crt.sh
www.googleadservices.com
GTS CA 1C3
2021-05-31 -
2021-08-23
3 months crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA
2021-05-26 -
2021-08-24
3 months crt.sh
*.adalyser.com
Thawte RSA CA 2018
2021-06-11 -
2022-07-12
a year crt.sh
*.px-cloud.net
Sectigo RSA Domain Validation Secure Server CA
2020-09-24 -
2021-09-21
a year crt.sh
*.g.doubleclick.net
GTS CA 1C3
2021-06-07 -
2021-08-30
3 months crt.sh
www.google.com
GTS CA 1C3
2021-06-07 -
2021-08-30
3 months crt.sh
www.google.de
GTS CA 1C3
2021-05-31 -
2021-08-23
3 months crt.sh
*.googleadservices.com
GTS CA 1C3
2021-06-07 -
2021-08-30
3 months crt.sh
*.google.de
GTS CA 1C3
2021-05-31 -
2021-08-23
3 months crt.sh
*.adsrvr.org
GlobalSign GCC R3 DV TLS CA 2020
2021-03-18 -
2022-04-19
a year crt.sh
*.pinterest.com
DigiCert SHA2 High Assurance Server CA
2020-07-16 -
2021-08-04
a year crt.sh

This page contains 2 frames:

Primary Page: https://www.duolingo.com/
Frame ID: F3C2FBBB80B0C6BD6D4D05D4D8809FA6
Requests: 76 HTTP requests in this frame

Frame: https://9814127.fls.doubleclick.net/activityi;dc_pre=CJWSvLWGwPECFRPp1QodZAoIPQ;src=9814127;type=hv3;cat=allpa0;ord=8411685009079;gtm=2wg6n0;auiddc=2011636789.1625079909;ps=1;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Frame ID: 46F51AFFFE4EA02026E5DC64CAE587C9
Requests: 12 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

  1. http://www.duolingo.com/ HTTP 301
    https://www.duolingo.com/ Page URL

Detected technologies

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

Overall confidence: 100%
Detected patterns
  • script /\/\/connect\.facebook\.net\/[^/]*\/[a-z]*\.js/i

Overall confidence: 100%
Detected patterns
  • script /google-analytics\.com\/(?:ga|urchin|analytics)\.js/i

Page Statistics

96
Requests

100 %
HTTPS

59 %
IPv6

18
Domains

24
Subdomains

25
IPs

4
Countries

1083 kB
Transfer

3679 kB
Size

23
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://www.duolingo.com/ HTTP 301
    https://www.duolingo.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 62
  • https://9814127.fls.doubleclick.net/activityi;src=9814127;type=hv3;cat=allpa0;ord=8411685009079;gtm=2wg6n0;auiddc=2011636789.1625079909;ps=1;~oref=https%3A%2F%2Fwww.duolingo.com%2F HTTP 302
  • https://9814127.fls.doubleclick.net/activityi;dc_pre=CJWSvLWGwPECFRPp1QodZAoIPQ;src=9814127;type=hv3;cat=allpa0;ord=8411685009079;gtm=2wg6n0;auiddc=2011636789.1625079909;ps=1;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Request Chain 79
  • https://googleads.g.doubleclick.net/pagead/viewthroughconversion/397119219/?random=79538436&cv=9&fst=1625079908633&num=1&value=1&label=k0ETCJGBvf0BEPOdrr0B&guid=ON&resp=GooglemKTybQhCsO&eid=2505059650&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=120&u_java=false&u_nplug=0&u_nmime=0&gtm=2wg6n0&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&auid=2011636789.1625079909&capi=1&hn=www.googleadservices.com&async=1&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&ocp_id=ZMDcYManKM7X7gPi5IrACw&sscte=1&crd=&eitems=ChEI8KzwhgYQ29yR5r2B_YCoARIdAD2rzC4KK29578W6XUQ_na8BEQQxg78J2RZp-7A HTTP 302
  • https://www.google.com/pagead/1p-conversion/397119219/?random=79538436&cv=9&fst=1625079908633&num=1&value=1&label=k0ETCJGBvf0BEPOdrr0B&guid=ON&resp=GooglemKTybQhCsO&eid=2505059650&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=120&u_java=false&u_nplug=0&u_nmime=0&gtm=2wg6n0&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&auid=2011636789.1625079909&capi=1&hn=www.googleadservices.com&async=1&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&is_vtc=1&ocp_id=ZMDcYManKM7X7gPi5IrACw&cid=CAQSKQCNIrLMC7ALB-JIiE75Ddk2MmDt5oVqg_Pa0MmQPjIx85QZzSoDEzR-&eitems=ChEI8KzwhgYQ29yR5r2B_YCoARIdAD2rzC5wCZXd1unH_hJbuOR2pYs9ikxK0KzG50U&random=2126317416&resp=GooglemKTybQhCsO HTTP 302
  • https://www.google.de/pagead/1p-conversion/397119219/?random=79538436&cv=9&fst=1625079908633&num=1&value=1&label=k0ETCJGBvf0BEPOdrr0B&guid=ON&resp=GooglemKTybQhCsO&eid=2505059650&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=120&u_java=false&u_nplug=0&u_nmime=0&gtm=2wg6n0&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&auid=2011636789.1625079909&capi=1&hn=www.googleadservices.com&async=1&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&is_vtc=1&ocp_id=ZMDcYManKM7X7gPi5IrACw&cid=CAQSKQCNIrLMC7ALB-JIiE75Ddk2MmDt5oVqg_Pa0MmQPjIx85QZzSoDEzR-&eitems=ChEI8KzwhgYQ29yR5r2B_YCoARIdAD2rzC5wCZXd1unH_hJbuOR2pYs9ikxK0KzG50U&random=2126317416&resp=GooglemKTybQhCsO&ipr=y

96 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
www.duolingo.com/
Redirect Chain
  • http://www.duolingo.com/
  • https://www.duolingo.com/
16 KB
7 KB
Document
General
Full URL
https://www.duolingo.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.225.111.61 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-225-111-61.compute-1.amazonaws.com
Software
duo-api /
Resource Hash
cf118bab4bb8bb63b80ecda242f62d9bce673fd9fc09bf374100842e8fc0a659
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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Wed, 30 Jun 2021 19:05:08 GMT
content-type
text/html; charset=UTF-8
set-cookie
AWSALB=nJaJDTl9uZuvsLuRSHMJoVI/uz77GeRZRBLl9gRuvx1PkGCis8cENhR0LqYcm0aUkvfDQUNCFhvfCeSTL/XXfDEPTKw1Pgp/+o1CZkPTQ2idaY2/KiMKB4orQILQ; Expires=Wed, 07 Jul 2021 19:05:08 GMT; Path=/ AWSALBCORS=nJaJDTl9uZuvsLuRSHMJoVI/uz77GeRZRBLl9gRuvx1PkGCis8cENhR0LqYcm0aUkvfDQUNCFhvfCeSTL/XXfDEPTKw1Pgp/+o1CZkPTQ2idaY2/KiMKB4orQILQ; Expires=Wed, 07 Jul 2021 19:05:08 GMT; Path=/; SameSite=None; Secure logged_out_uuid=ae3079d8-e742-43e7-b451-47aad4907870; Domain=.duolingo.com; Max-Age=31536000; Path=/; expires=Thu, 30-Jun-2022 19:05:08 GMT lang=en; Domain=.duolingo.com; Max-Age=31536000; Path=/; expires=Thu, 30-Jun-2022 19:05:08 GMT wuuid=d9549ae7-391f-4d30-8019-f294387493da
server
duo-api
no-retry
1
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
ffff2ac260dcc0350083
x-ws
UK
x-runtime
0.02193
x-ipcountry
US
content-encoding
gzip
x-envoy-upstream-service-time
24
x-duo-request-host
www.duolingo.com

Redirect headers

Date
Wed, 30 Jun 2021 19:05:07 GMT
Content-Length
0
Connection
keep-alive
location
https://www.duolingo.com/
x-duo-request-host
www.duolingo.com
server
duo-api
x-envoy-upstream-service-time
0
otSDKStub.js
cdn.cookielaw.org/scripttemplates/
17 KB
6 KB
Script
General
Full URL
https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:9540 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
20e51cc8fa0f52b2b6153113a2bfb1d39b01709057d3cccff2bd5603fd828513
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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Wed, 30 Jun 2021 19:05:08 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
9CH7M63ILfh8MB6VTJcGFA==
age
7127
vary
Accept-Encoding
content-length
5811
cf-request-id
0affe89f1800002b95611e3000000001
x-ms-lease-status
unlocked
last-modified
Mon, 28 Jun 2021 18:54:19 GMT
server
cloudflare
etag
0x8D93A6622FF4956
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
783737cc-101e-0120-6a50-6cf27f000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
max-age=14400
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
6679aa11ca492b95-FRA
app-17bc40df.css
d35aaqx5ub95lt.cloudfront.net/css/
104 KB
22 KB
Stylesheet
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/app-17bc40df.css
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:20eb:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
f6d714d235ba4c8151f049963d5d1b5e9cb2be25a35f33970afe4799abf9d427

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

x-amz-server-side-encryption
AES256
date
Thu, 24 Jun 2021 16:30:52 GMT
content-encoding
gzip
last-modified
Thu, 24 Jun 2021 16:18:05 GMT
server
AmazonS3
age
527657
etag
"7eb75815d1bb6bb2923accb2d89a41f4"
x-cache
Hit from cloudfront
content-type
text/css
via
1.1 37c215a6cf8b04439db2f97a633421e6.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA2-C1
accept-ranges
bytes
content-length
22336
x-amz-cf-id
TABeam9uXgZhJALDTh7Bt3huSoeh4piyFTKTigf0D_6s7QwtJVwk8A==
reactVendor.react-redux-c21fed7f.js
d35aaqx5ub95lt.cloudfront.net/js/
10 KB
4 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-redux-c21fed7f.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:20eb:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
82c8eced9472960b3881841cae7da630912a577c46b45fcb895d209eb415ae59

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

x-amz-server-side-encryption
AES256
date
Fri, 11 Jun 2021 10:52:47 GMT
content-encoding
gzip
last-modified
Thu, 10 Jun 2021 20:54:46 GMT
server
AmazonS3
age
1671142
etag
"f04a72f922affd263a5e722d411e56d8"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 37c215a6cf8b04439db2f97a633421e6.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA2-C1
accept-ranges
bytes
content-length
3477
x-amz-cf-id
1xhdbLN7_HuLuxOyeYgi01hvpgqBm4iXE3cIr6L0pjbKschZeA_LqA==
reactVendor.react-focus-lock-afd2c8b9.js
d35aaqx5ub95lt.cloudfront.net/js/
5 KB
2 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-focus-lock-afd2c8b9.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:20eb:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
bb2329d2322779544bb3950dbc7b8a54b93c23e8676c6aa645ac20f157431fa5

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

x-amz-server-side-encryption
AES256
date
Wed, 09 Jun 2021 21:06:16 GMT
content-encoding
gzip
last-modified
Wed, 09 Jun 2021 21:00:43 GMT
server
AmazonS3
age
1807133
etag
"44d324ff61d24fecfbe285a7b8adf7ee"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 37c215a6cf8b04439db2f97a633421e6.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA2-C1
accept-ranges
bytes
content-length
2121
x-amz-cf-id
PILhX8YRbXLsJKxsFV42dw8OhV2Gwhy10QCpMrt8X8Xod_zf6y-JEg==
reactVendor.react-transition-group-dc905bea.js
d35aaqx5ub95lt.cloudfront.net/js/
9 KB
3 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-transition-group-dc905bea.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
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access-control-allow-methods
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access-control-allow-headers
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access-control-max-age
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accept-encoding
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allow
GET, HEAD, POST, TRACE, OPTIONS
server
Jetty(9.2.z-SNAPSHOT)
batch
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Full URL
https://excess.duolingo.com/batch
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H2
Server
100.26.88.200 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
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Software
Jetty(9.2.z-SNAPSHOT) /
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Request headers

Accept
*/*
Access-Control-Request-Method
POST
Access-Control-Request-Headers
content-type
Origin
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User-Agent
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Response headers

date
Wed, 30 Jun 2021 19:05:08 GMT
content-length
0
access-control-allow-origin
*
access-control-allow-methods
POST, GET, OPTIONS
access-control-allow-headers
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accept-encoding
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allow
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server
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config
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Full URL
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H2
Server
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Reverse DNS
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Software
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Security Headers
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Request headers

Accept
*/*
Access-Control-Request-Method
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Access-Control-Request-Headers
x-amzn-trace-id,x-requested-with
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User-Agent
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Sec-Fetch-Mode
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Response headers

date
Wed, 30 Jun 2021 19:05:08 GMT
content-length
0
vary
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access-control-allow-origin
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cache-control
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pragma
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x-frame-options
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referrer-policy
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x-duo-request-host
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server
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Full URL
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Requested by
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-96b6bd6a.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.113.40 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
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
age
548
x-cache
HIT
content-length
42636
x-served-by
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access-control-allow-origin
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vary
Accept-Encoding
content-type
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via
1.1 varnish
access-control-expose-headers
active-cdn,x-served-by
cache-control
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accept-ranges
bytes
x-cache-hits
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XHR
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Full URL
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Requested by
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-96b6bd6a.js
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H2
Security
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Reverse DNS
Software
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Resource Hash
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Request headers

Accept
application/json, text/plain, */*
Referer
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User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 27 Jun 2021 22:29:56 GMT
content-encoding
gzip
vary
Origin
age
246913
x-amz-server-side-encryption
AES256
x-cache
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content-length
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access-control-allow-origin
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last-modified
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server
AmazonS3
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access-control-allow-methods
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cache-control
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XHR
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Full URL
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Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-96b6bd6a.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
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Reverse DNS
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Software
Jetty(9.2.z-SNAPSHOT) /
Resource Hash
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Request headers

Referer
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User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Content-type
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Response headers

date
Wed, 30 Jun 2021 19:05:08 GMT
accept-encoding
gzip, identity
server
Jetty(9.2.z-SNAPSHOT)
access-control-max-age
3600
access-control-allow-methods
POST, GET, OPTIONS
content-type
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Full URL
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Requested by
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Reverse DNS
Software
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Resource Hash
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Request headers

Accept
application/json, text/plain, */*
Referer
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User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Mon, 21 Jun 2021 16:58:30 GMT
content-encoding
gzip
vary
Origin
age
785199
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-length
616
access-control-allow-origin
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server
AmazonS3
etag
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Protocol
H2
Security
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Server
100.26.88.200 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software
Jetty(9.2.z-SNAPSHOT) /
Resource Hash
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Request headers

Referer
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User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Content-type
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Response headers

date
Wed, 30 Jun 2021 19:05:08 GMT
accept-encoding
gzip, identity
server
Jetty(9.2.z-SNAPSHOT)
access-control-max-age
3600
access-control-allow-methods
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312 B
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Full URL
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-96b6bd6a.js
Protocol
H2
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Request headers

Referer
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User-Agent
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Response headers

date
Wed, 30 Jun 2021 19:05:08 GMT
accept-encoding
gzip, identity
server
Jetty(9.2.z-SNAPSHOT)
access-control-max-age
3600
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312 B
XHR
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-96b6bd6a.js
Protocol
H2
Security
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Server
100.26.88.200 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
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Software
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Resource Hash
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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

date
Wed, 30 Jun 2021 19:05:08 GMT
accept-encoding
gzip, identity
server
Jetty(9.2.z-SNAPSHOT)
access-control-max-age
3600
access-control-allow-methods
POST, GET, OPTIONS
content-type
text/plain; charset=ISO-8859-1
access-control-allow-origin
*
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
content-length
34
batch
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34 B
312 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-96b6bd6a.js
Protocol
H2
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Server
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Resource Hash
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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

date
Wed, 30 Jun 2021 19:05:08 GMT
accept-encoding
gzip, identity
server
Jetty(9.2.z-SNAPSHOT)
access-control-max-age
3600
access-control-allow-methods
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content-type
text/plain; charset=ISO-8859-1
access-control-allow-origin
*
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
content-length
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web.json
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767 B
XHR
General
Full URL
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Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-96b6bd6a.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Software
AmazonS3 /
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Request headers

Accept
application/json, text/plain, */*
Referer
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User-Agent
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Response headers

date
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via
1.1 80826ca6c4fd6005aeacf5a03c8d42e9.cloudfront.net (CloudFront)
server
AmazonS3
x-amz-cf-pop
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vary
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access-control-allow-methods
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content-type
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access-control-allow-origin
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content-length
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config
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7 KB
3 KB
XHR
General
Full URL
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Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-96b6bd6a.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
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Resource Hash
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Security Headers
Name Value
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Request headers

sec-fetch-mode
cors
accept-encoding
gzip, deflate, br
accept-language
en-US
sec-fetch-dest
empty
x-requested-with
XMLHttpRequest
cookie
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pragma
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user-agent
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accept
application/json, text/plain, */*
cache-control
no-cache
:authority
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referer
https://www.duolingo.com/
:scheme
https
sec-fetch-site
same-origin
:method
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Accept
application/json, text/plain, */*
Referer
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X-Requested-With
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X-Amzn-Trace-Id
User=0
User-Agent
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Response headers

date
Wed, 30 Jun 2021 19:05:08 GMT
content-encoding
gzip
x-ws
UK
x-tid
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surrogate-control
no-store
x-duo-request-host
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x-envoy-upstream-service-time
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x-runtime
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server
duo-api
no-retry
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x-frame-options
SAMEORIGIN
content-type
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pragma
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cache-control
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set-cookie
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expires
0
config
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1 KB
XHR
General
Full URL
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Requested by
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-96b6bd6a.js
Protocol
H2
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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Security Headers
Name Value
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Request headers

Accept
application/json, text/plain, */*
Referer
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X-Requested-With
XMLHttpRequest
X-Amzn-Trace-Id
User=0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Wed, 30 Jun 2021 19:05:09 GMT
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H2
Security
TLS 1.3, , AES_128_GCM
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Response headers

date
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via
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access-control-allow-methods
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content-type
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Request headers

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Response headers

pragma
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x-content-type-options
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server
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74 KB
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General
Full URL
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Request headers

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User-Agent
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Response headers

content-security-policy
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strict-transport-security
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content-type
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x-fb-rlafr
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expires
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collect
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4 B
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General
Full URL
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-96b6bd6a.js
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H2
Security
TLS 1.3, , AES_128_GCM
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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
no-cache
strict-transport-security
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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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Full URL
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-96b6bd6a.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Security Headers
Name Value
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Request headers

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Response headers

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content-encoding
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server
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etag
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expect-ct
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strict-transport-security
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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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Name Value
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Request headers

Referer
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User-Agent
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Response headers

pragma
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date
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x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
p3p
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cache-control
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cross-origin-resource-policy
cross-origin
content-type
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alt-svc
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ga-audiences
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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
2a00:1450:4001:828::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
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Software
cafe /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
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Response headers

pragma
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date
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x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
p3p
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cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
content-type
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alt-svc
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expires
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/
www.googleadservices.com/pagead/conversion/397119219/
2 KB
1 KB
Script
General
Full URL
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Requested by
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URL: https://www.googleadservices.com/pagead/conversion_async.js
Protocol
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Security
QUIC, , AES_128_GCM
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Request headers

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Response headers

pragma
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content-encoding
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nosniff
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cafe
timing-allow-origin
*
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cache-control
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cross-origin-resource-policy
cross-origin
content-disposition
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content-type
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alt-svc
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content-length
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expires
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/
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Full URL
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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
2a00:1450:4001:80f::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
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Request headers

Referer
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User-Agent
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Response headers

/
www.facebook.com/tr/
44 B
297 B
Image
General
Full URL
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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
2a03:2880:f11c:8183:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
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

date
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last-modified
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server
proxygen-bolt
strict-transport-security
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content-type
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cache-control
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cross-origin-resource-policy
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expires
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otFlat.json
cdn.cookielaw.org/scripttemplates/6.16.0/assets/
12 KB
3 KB
Fetch
General
Full URL
https://cdn.cookielaw.org/scripttemplates/6.16.0/assets/otFlat.json
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-96b6bd6a.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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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
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 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
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server
cloudflare
etag
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expect-ct
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strict-transport-security
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content-type
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access-control-allow-origin
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access-control-expose-headers
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cache-control
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accept-ranges
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cf-ray
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expires
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/
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42 B
64 B
Image
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Full URL
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H3-29
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:82b::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

pragma
no-cache
date
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x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
p3p
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cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
content-security-policy
script-src 'none'; object-src 'none'
content-type
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content-length
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x-xss-protection
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Redirect headers

pragma
no-cache
date
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x-content-type-options
nosniff
server
cafe
p3p
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content-type
image/gif
location
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content-length
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x-xss-protection
0
expires
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batch
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34 B
312 B
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General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-96b6bd6a.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
100.26.88.200 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-100-26-88-200.compute-1.amazonaws.com
Software
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Resource Hash
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Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Content-type
application/json

Response headers

date
Wed, 30 Jun 2021 19:05:09 GMT
accept-encoding
gzip, identity
server
Jetty(9.2.z-SNAPSHOT)
access-control-max-age
3600
access-control-allow-methods
POST, GET, OPTIONS
content-type
text/plain; charset=ISO-8859-1
access-control-allow-origin
*
access-control-allow-headers
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content-length
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batch
excess.duolingo.com/ Frame
0
0
Preflight
General
Full URL
https://excess.duolingo.com/batch
Protocol
H2
Server
100.26.88.200 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-100-26-88-200.compute-1.amazonaws.com
Software
Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Method
POST
Access-Control-Request-Headers
content-type
Origin
https://www.duolingo.com
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Sec-Fetch-Mode
cors

Response headers

date
Wed, 30 Jun 2021 19:05:08 GMT
content-length
0
access-control-allow-origin
*
access-control-allow-methods
POST, GET, OPTIONS
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
access-control-max-age
3600
accept-encoding
gzip, identity
allow
GET, HEAD, POST, TRACE, OPTIONS
server
Jetty(9.2.z-SNAPSHOT)
/
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70 B
261 B
Image
General
Full URL
https://insight.adsrvr.org/track/pxl/?adv=h06doen&ct=0:oc83gxd&fmt=3
Requested by
Host: 9814127.fls.doubleclick.net
URL: https://9814127.fls.doubleclick.net/activityi;dc_pre=CJWSvLWGwPECFRPp1QodZAoIPQ;src=9814127;type=hv3;cat=allpa0;ord=8411685009079;gtm=2wg6n0;auiddc=2011636789.1625079909;ps=1;~oref=https%3A%2F%2Fwww.duolingo.com%2F?
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.50.64.214 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-52-50-64-214.eu-west-1.compute.amazonaws.com
Software
/
Resource Hash
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Request headers

Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

pragma
no-cache
date
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cache-control
private,no-cache, must-revalidate
x-aspnet-version
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content-type
image/gif
p3p
CP="NOI DSP COR CUR ADMo DEVo PSAo PSDo OUR SAMo BUS UNI NAV"
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42 B
107 B
Image
General
Full URL
https://adservice.google.com/ddm/fls/z/dc_pre=CJWSvLWGwPECFRPp1QodZAoIPQ;src=9814127;type=hv3;cat=allpa0;ord=8411685009079;gtm=2wg6n0;auiddc=*;ps=1;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Requested by
Host: 9814127.fls.doubleclick.net
URL: https://9814127.fls.doubleclick.net/activityi;dc_pre=CJWSvLWGwPECFRPp1QodZAoIPQ;src=9814127;type=hv3;cat=allpa0;ord=8411685009079;gtm=2wg6n0;auiddc=2011636789.1625079909;ps=1;~oref=https%3A%2F%2Fwww.duolingo.com%2F?
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:809::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

pragma
no-cache
date
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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, must-revalidate
cross-origin-resource-policy
cross-origin
content-type
image/gif
alt-svc
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content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
core.js
s.pinimg.com/ct/ Frame 46F5
1 KB
830 B
Script
General
Full URL
https://s.pinimg.com/ct/core.js
Requested by
Host: 9814127.fls.doubleclick.net
URL: https://9814127.fls.doubleclick.net/activityi;dc_pre=CJWSvLWGwPECFRPp1QodZAoIPQ;src=9814127;type=hv3;cat=allpa0;ord=8411685009079;gtm=2wg6n0;auiddc=2011636789.1625079909;ps=1;~oref=https%3A%2F%2Fwww.duolingo.com%2F?
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a02:26f0:6c00:297::1931 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
/
Resource Hash
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Request headers

Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

content-encoding
gzip
x-cdn
akamai
etag
"57947439b864e017feed0d94316d5a8c"
vary
Accept-Encoding, Origin
access-control-allow-methods
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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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95 KB
24 KB
Script
General
Full URL
https://connect.facebook.net/en_US/fbevents.js
Requested by
Host: 9814127.fls.doubleclick.net
URL: https://9814127.fls.doubleclick.net/activityi;dc_pre=CJWSvLWGwPECFRPp1QodZAoIPQ;src=9814127;type=hv3;cat=allpa0;ord=8411685009079;gtm=2wg6n0;auiddc=2011636789.1625079909;ps=1;~oref=https%3A%2F%2Fwww.duolingo.com%2F?
Protocol
H3-29
Security
QUIC, , AES_128_GCM
Server
2a03:2880:f01c:8012:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
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X-Frame-Options DENY
X-Xss-Protection 0

Request headers

Referer
https://9814127.fls.doubleclick.net/
User-Agent
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Response headers

content-security-policy
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content-encoding
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cross-origin
alt-svc
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x-xss-protection
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pragma
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date
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strict-transport-security
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content-type
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vary
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cache-control
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x-fb-rlafr
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priority
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expires
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p
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43 B
478 B
Image
General
Full URL
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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
108.128.221.38 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-108-128-221-38.eu-west-1.compute.amazonaws.com
Software
/ Express
Resource Hash
a065920df8cc4016d67c3a464be90099c9d28ffe7c9e6ee3a18f257efc58cbd7

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Pragma
no-cache
Date
Wed, 30 Jun 2021 19:05:08 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
1735692093320310
connect.facebook.net/signals/config/ Frame 46F5
261 KB
74 KB
Script
General
Full URL
https://connect.facebook.net/signals/config/1735692093320310?v=2.9.42&r=stable
Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/en_US/fbevents.js
Protocol
H3-29
Security
QUIC, , AES_128_GCM
Server
2a03:2880:f01c:8012:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
/
Resource Hash
02c4286d2c2cb2f6a3b57420c4bd2cbc43bd86786dffb7517cee8067d3fc8dc1
Security Headers
Name Value
Content-Security-Policy default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c;
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://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

content-security-policy
default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c;
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3-29=":443"; ma=3600,h3-27=":443"; ma=3600
content-length
75884
x-xss-protection
0
pragma
public
x-fb-debug
pnpLHDu0IKG8tENUOjGhBByK6/VTnJBZDkC/PU6YmdnPIxlG4rB8/9hyWl6gRDbsnCVIFY1Ik+r5jr4iphyaWA==
x-frame-options
DENY
date
Wed, 30 Jun 2021 19:05:08 GMT
strict-transport-security
max-age=31536000; preload; includeSubDomains
content-type
application/x-javascript; charset=utf-8
vary
Accept-Encoding
cache-control
public, max-age=1200
x-fb-rlafr
0
priority
u=3,i
expires
Sat, 01 Jan 2000 00:00:00 GMT
/
www.facebook.com/tr/ Frame 46F5
44 B
88 B
Image
General
Full URL
https://www.facebook.com/tr/?id=1735692093320310&ev=PageView&dl=https%3A%2F%2F9814127.fls.doubleclick.net%2Factivityi%3Bdc_pre%3DCJWSvLWGwPECFRPp1QodZAoIPQ%3Bsrc%3D9814127%3Btype%3Dhv3%3Bcat%3Dallpa0%3Bord%3D8411685009079%3Bgtm%3D2wg6n0%3Bauiddc%3D2011636789.1625079909%3Bps%3D1%3B~oref%3Dhttps%253A%252F%252Fwww.duolingo.com%252F%3F&rl=https%3A%2F%2Fwww.duolingo.com%2F&if=true&ts=1625079908788&sw=1600&sh=1200&v=2.9.42&r=stable&ec=0&o=30&it=1625079908764&coo=false&rqm=GET
Requested by
Host: 9814127.fls.doubleclick.net
URL: https://9814127.fls.doubleclick.net/activityi;dc_pre=CJWSvLWGwPECFRPp1QodZAoIPQ;src=9814127;type=hv3;cat=allpa0;ord=8411685009079;gtm=2wg6n0;auiddc=2011636789.1625079909;ps=1;~oref=https%3A%2F%2Fwww.duolingo.com%2F?
Protocol
H3-29
Security
QUIC, , AES_128_GCM
Server
2a03:2880:f11c:8183:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Wed, 30 Jun 2021 19:05:08 GMT
last-modified
Fri, 21 Dec 2012 00:00:01 GMT
server
proxygen-bolt
strict-transport-security
max-age=31536000; includeSubDomains
content-type
image/gif
cache-control
no-cache, must-revalidate, max-age=0
cross-origin-resource-policy
cross-origin
content-length
44
alt-svc
h3-29=":443"; ma=3600,h3-27=":443"; ma=3600
priority
u=3,i
expires
Wed, 30 Jun 2021 19:05:08 GMT
main.c6ca189a.js
s.pinimg.com/ct/lib/ Frame 46F5
50 KB
17 KB
Script
General
Full URL
https://s.pinimg.com/ct/lib/main.c6ca189a.js
Requested by
Host: s.pinimg.com
URL: https://s.pinimg.com/ct/core.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a02:26f0:6c00:297::1931 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
/
Resource Hash
6e68c7f596671913cde21ea0a5c4367b743a79422d87b0659e22f00673c5aeb8

Request headers

Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

content-encoding
gzip
x-cdn
akamai
etag
"6ed3b8d9c0f104e8bf55431013d34078"
vary
Accept-Encoding, Origin
access-control-allow-methods
GET
content-type
application/javascript
access-control-allow-origin
*
access-control-max-age
86400
cache-control
max-age=1209600
x-fallback
edc75f2-2.16.186.181
accept-ranges
bytes
content-length
17534
access-control-expose-headers
X-CDN
/
ct.pinterest.com/user/ Frame 46F5
337 B
786 B
XHR
General
Full URL
https://ct.pinterest.com/user/?tid=2612728976278&pd=%7B%22em%22%3A%2224aba99b2defbb47ee981b4200313f61f3ae31541d8717bdac1e463c838939b0%22%7D&cb=1625079909001
Requested by
Host: s.pinimg.com
URL: https://s.pinimg.com/ct/lib/main.c6ca189a.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
184.30.24.193 Frankfurt am Main, Germany, ASN16625 (AKAMAI-AS, US),
Reverse DNS
a184-30-24-193.deploy.static.akamaitechnologies.com
Software
/
Resource Hash
4186cb82046abff174718350bb4493c13e32ee4e53f5b0783a2142599feb1a69
Security Headers
Name Value
Strict-Transport-Security max-age=31536000 ; includeSubDomains ; preload

Request headers

Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Wed, 30 Jun 2021 19:05:09 GMT
content-encoding
gzip
vary
Accept-Encoding
x-cdn
akamai
akamai-grn
0.d5247e68.1625079909.70bfbf5
x-envoy-upstream-service-time
2
x-pinterest-rid
1198721082305630
pin-unauth
dWlkPU0yVmtOak14TWpNdE1qWmhPQzAwTkRGa0xUbGhNVE10WWpFek9EQmlaVFpsWkdNNA
access-control-allow-origin
https://9814127.fls.doubleclick.net
referrer-policy
origin
strict-transport-security
max-age=31536000 ; includeSubDomains ; preload
content-type
application/json; charset=utf-8
pragma
no-cache
access-control-expose-headers
Epik,Pin-Unauth
cache-control
no-cache,no-store,must-revalidate,max-age=0
access-control-allow-credentials
true
content-length
300
expires
Sat, 01 Jan 2000 00:00:00 GMT
/
ct.pinterest.com/v3/ Frame 46F5
35 B
333 B
Image
General
Full URL
https://ct.pinterest.com/v3/?tid=2612728976278&pd=%7B%22em%22%3A%2224aba99b2defbb47ee981b4200313f61f3ae31541d8717bdac1e463c838939b0%22%7D&event=init&ad=%7B%22loc%22%3A%22https%3A%2F%2F9814127.fls.doubleclick.net%2Factivityi%3Bdc_pre%3DCJWSvLWGwPECFRPp1QodZAoIPQ%3Bsrc%3D9814127%3Btype%3Dhv3%3Bcat%3Dallpa0%3Bord%3D8411685009079%3Bgtm%3D2wg6n0%3Bauiddc%3D2011636789.1625079909%3Bps%3D1%3B~oref%3Dhttps%253A%252F%252Fwww.duolingo.com%252F%3F%22%2C%22ref%22%3A%22https%3A%2F%2Fwww.duolingo.com%2F%22%2C%22if%22%3Atrue%2C%22sh%22%3A1200%2C%22sw%22%3A1600%2C%22mh%22%3A%22c6ca189a%22%2C%22floc_enabled%22%3Afalse%2C%22ecm_enabled%22%3Afalse%7D&cb=1625079909003
Requested by
Host: 9814127.fls.doubleclick.net
URL: https://9814127.fls.doubleclick.net/activityi;dc_pre=CJWSvLWGwPECFRPp1QodZAoIPQ;src=9814127;type=hv3;cat=allpa0;ord=8411685009079;gtm=2wg6n0;auiddc=2011636789.1625079909;ps=1;~oref=https%3A%2F%2Fwww.duolingo.com%2F?
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
184.30.24.193 Frankfurt am Main, Germany, ASN16625 (AKAMAI-AS, US),
Reverse DNS
a184-30-24-193.deploy.static.akamaitechnologies.com
Software
/
Resource Hash
37b17c5135a176a9474521af147d96dfa1fb4ca0f43f00d1400bd1885be3ab9b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000 ; includeSubDomains ; preload

Request headers

Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 30 Jun 2021 19:05:09 GMT
referrer-policy
origin
x-cdn
akamai
akamai-grn
0.d5247e68.1625079909.70bfbfb
strict-transport-security
max-age=31536000 ; includeSubDomains ; preload
content-type
image/gif
access-control-allow-origin
*
cache-control
no-cache,no-store,must-revalidate,max-age=0
x-envoy-upstream-service-time
2
content-length
35
x-pinterest-rid
1343543885432231
expires
Sat, 01 Jan 2000 00:00:00 GMT
/
ct.pinterest.com/md/ Frame 46F5
0
274 B
XHR
General
Full URL
https://ct.pinterest.com/md/
Requested by
Host: s.pinimg.com
URL: https://s.pinimg.com/ct/lib/main.c6ca189a.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
184.30.24.193 Frankfurt am Main, Germany, ASN16625 (AKAMAI-AS, US),
Reverse DNS
a184-30-24-193.deploy.static.akamaitechnologies.com
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000 ; includeSubDomains ; preload

Request headers

Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Wed, 30 Jun 2021 19:05:09 GMT
referrer-policy
origin
x-cdn
akamai
akamai-grn
0.d5247e68.1625079909.70bfcc3
strict-transport-security
max-age=31536000 ; includeSubDomains ; preload
access-control-allow-origin
*
cache-control
no-cache,no-store,must-revalidate,max-age=0
x-envoy-upstream-service-time
1
x-pinterest-rid
1426659015611373
expires
Sat, 01 Jan 2000 00:00:00 GMT
collector
collector-pxasqjfz9w.px-cloud.net/api/v2/
410 B
474 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-96b6bd6a.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
35.186.220.184 Kansas City, United States, ASN15169 (GOOGLE, US),
Reverse DNS
184.220.186.35.bc.googleusercontent.com
Software
/
Resource Hash
4b4dd7ea47867d3aaddb87454d86aacf085fbe431f016cba5f1aba38afa299df

Request headers

Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Content-type
application/x-www-form-urlencoded

Response headers

date
Wed, 30 Jun 2021 19:05:09 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
410
/
www.facebook.com/tr/ Frame 46F5
44 B
147 B
Image
General
Full URL
https://www.facebook.com/tr/?id=1735692093320310&ev=Microdata&dl=https%3A%2F%2F9814127.fls.doubleclick.net%2Factivityi%3Bdc_pre%3DCJWSvLWGwPECFRPp1QodZAoIPQ%3Bsrc%3D9814127%3Btype%3Dhv3%3Bcat%3Dallpa0%3Bord%3D8411685009079%3Bgtm%3D2wg6n0%3Bauiddc%3D2011636789.1625079909%3Bps%3D1%3B~oref%3Dhttps%253A%252F%252Fwww.duolingo.com%252F%3F&rl=https%3A%2F%2Fwww.duolingo.com%2F&if=true&ts=1625079910291&cd[DataLayer]=%5B%5D&cd[Meta]=%7B%22title%22%3A%22%22%7D&cd[OpenGraph]=%7B%7D&cd[Schema.org]=%5B%5D&cd[JSON-LD]=%5B%5D&sw=1600&sh=1200&v=2.9.42&r=stable&ec=1&o=30&it=1625079908764&coo=false&es=automatic&tm=3&rqm=GET
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f11c:8183:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Wed, 30 Jun 2021 19:05:10 GMT
last-modified
Fri, 21 Dec 2012 00:00:01 GMT
server
proxygen-bolt
strict-transport-security
max-age=31536000; includeSubDomains
content-type
image/gif
cache-control
no-cache, must-revalidate, max-age=0
cross-origin-resource-policy
cross-origin
alt-svc
h3-29=":443"; ma=3600,h3-27=":443"; ma=3600
content-length
44
expires
Wed, 30 Jun 2021 19:05:10 GMT

Verdicts & Comments Add Verdict or Comment

102 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| onbeforexrselect object| ontransitionrun object| ontransitionstart object| ontransitioncancel object| cookieStore function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker boolean| originAgentCluster object| trustedTypes boolean| crossOriginIsolated object| OneTrustStub string| OnetrustActiveGroups string| OptanonActiveGroups object| dataLayer function| OptanonWrapper object| duo boolean| objectEntries object| features boolean| isAbc undefined| el object| webpackChunk function| setImmediate function| clearImmediate function| _rollbarURH function| HowlerGlobal object| Howler function| Howl function| Sound function| ga object| gaDevIds object| gaplugins function| __extends function| __assign function| __rest function| __decorate function| __param function| __metadata function| __awaiter function| __generator function| __exportStar function| __createBinding function| __values function| __read function| __spread function| __spreadArrays function| __await function| __asyncGenerator function| __asyncDelegator function| __asyncValues function| __makeTemplateObject function| __importStar function| __importDefault function| __classPrivateFieldGet function| __classPrivateFieldSet function| jsonFeed string| _pxAppId string| _pxParam1 string| _pxParam2 object| google_tag_manager object| google_tag_data string| GoogleAnalyticsObject function| fbq function| _fbq object| GlobalAdalyserNamespace function| adalyserTracker object| otStubData object| PXAsQJFZ9W object| PX undefined| _AsQJFZ9Whandler object| gaGlobal object| gaData function| GooglemKTybQhCsO function| google_trackConversion object| GooglebQhCsO object| Optanon object| OneTrust 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

23 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: 262528f3-419a-41d6-9f3f-e3ec9fef86ae.1625079909.1.1625079909.1625079909.5b552550-dab8-483d-8704-412f9a29cbe0
.duolingo.com/ Name: OptanonConsent
Value: isIABGlobal=false&datestamp=Wed+Jun+30+2021+21%3A05%3A08+GMT%2B0200+(Central+European+Summer+Time)&version=6.16.0&consentId=37ae6799-fa99-4412-abdb-277e0e239795&interactionCount=0&landingPath=https%3A%2F%2Fwww.duolingo.com%2F&groups=C0001%3A1%2CC0002%3A0%2CC0003%3A0%2CC0004%3A0&hosts=H3%3A1%2CH14%3A1%2CH11%3A0%2CH1%3A0%2CH15%3A0%2CH6%3A0%2CH2%3A0%2CH7%3A0%2CH16%3A0%2CH9%3A0%2CH18%3A0%2CH10%3A0%2CH12%3A0%2CH13%3A0
www.duolingo.com/ Name: AWSALBCORS
Value: bkBN7LU4+Pl+NAgK4e842DUbPBar5auhQCHoUPoXsRQM6Yil5FZoZBNqPHs6TniTu/FDkJzIXCRFhHWTwonltuJO7QSFaY/pFNxGiqqo+Jk8cas/wl2/+jp56buF
.doubleclick.net/ Name: IDE
Value: AHWqTUmfGwgClGVEFqpMVym3Y0J4K5mZU_t20Bdv2Zyek6kOGK0d_XN2Tu1QbSTpHXw
.duolingo.com/ Name: __adal_ses
Value: *
.duolingo.com/ Name: _px3
Value: 040f1c20b481dd0123c11abead322dbad79c34cd3f48bd8e3ab283bad7bf131d:QLTZFbMbw0+mAoPWQif87ZPvdIO3cB2QkeHfE2RNu6rXHxYV7TqR8gURE1P+ObUL505lWAWqFTL/kGJtBYm8aw==:1000:6CiTyN4tfnmt2PqxQS7k/mANvI9aD3Q6Ug30KErH55KNFFKdudm9HZmloXSlDxcIrcrTGzV5j/MpQve7iIvn/xviTLjWB6INcncyMFWsw6/Vv+3M57WdmlnII32psHN28h3Yw7Bvtw2hh3NwDxy/FoPJpMl7weTY26bRZ0OAzSsmWiM3h2WdZYp7joNF8xbWlquneJ1qHtvkWGnfCQAaOA==
.duolingo.com/ Name: _fbp
Value: fb.1.1625079908651.2110877032
.duolingo.com/ Name: tsl
Value: 1625079908276
.duolingo.com/ Name: _ga
Value: GA1.2.1920601905.1625079909
.duolingo.com/ Name: _gcl_au
Value: 1.1.2011636789.1625079909
.duolingo.com/ Name: lp
Value: splash
.duolingo.com/ Name: _gat_UA-21595814-1
Value: 1
.duolingo.com/ Name: lu
Value: https://www.duolingo.com/
.duolingo.com/ Name: _gid
Value: GA1.2.256170751.1625079909
.duolingo.com/ Name: lr
Value:
.duolingo.com/ Name: __adal_cw
Value: 1625079908755
.duolingo.com/ Name: initial_referrer
Value: $direct
.duolingo.com/ Name: logged_out_uuid
Value: ae3079d8-e742-43e7-b451-47aad4907870
www.duolingo.com/ Name: AWSALB
Value: bkBN7LU4+Pl+NAgK4e842DUbPBar5auhQCHoUPoXsRQM6Yil5FZoZBNqPHs6TniTu/FDkJzIXCRFhHWTwonltuJO7QSFaY/pFNxGiqqo+Jk8cas/wl2/+jp56buF
.duolingo.com/ Name: _pxvid
Value: 165897d4-d9d6-11eb-9a9c-0242ac120019
www.duolingo.com/ Name: wuuid
Value: d9549ae7-391f-4d30-8019-f294387493da
.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
adservice.google.com
brb.duolingo.com
c0.adalyser.com
cdn.cookielaw.org
client.perimeterx.net
collector-pxasqjfz9w.px-cloud.net
connect.facebook.net
ct.pinterest.com
d35aaqx5ub95lt.cloudfront.net
excess.duolingo.com
geolocation.onetrust.com
googleads.g.doubleclick.net
insight.adsrvr.org
s.pinimg.com
stats.g.doubleclick.net
stories.duolingo.com
www.duolingo.com
www.facebook.com
www.google-analytics.com
www.google.com
www.google.de
www.googleadservices.com
www.googletagmanager.com
100.26.88.200
108.128.221.38
13.227.211.70
142.250.185.70
151.101.113.40
172.217.16.130
184.30.24.193
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2606:4700:10::6814:b844
2606:4700::6810:9540
2a00:1450:4001:800::2004
2a00:1450:4001:809::2002
2a00:1450:4001:80f::2004
2a00:1450:4001:80f::200e
2a00:1450:4001:810::2002
2a00:1450:4001:810::2008
2a00:1450:4001:828::2003
2a00:1450:4001:82a::200e
2a00:1450:4001:82b::2003
2a00:1450:400c:c04::9a
2a02:26f0:6c00:297::1931
2a03:2880:f01c:8012:face:b00c:0:3
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3.224.232.161
35.186.220.184
52.50.64.214
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