URL: https://www.duolingo.com/
Submission: On May 17 via api from IN — Scanned from DE

Summary

This website contacted 24 IPs in 4 countries across 19 domains to perform 104 HTTP transactions. The main IP is 3.229.194.78, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is www.duolingo.com. The Cisco Umbrella rank of the primary domain is 20881.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on November 21st 2021. 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
5 3.229.194.78 14618 (AMAZON-AES)
5 2606:4700::68... 13335 (CLOUDFLAR...)
9 18.203.144.158 16509 (AMAZON-02)
39 2600:9000:249... 16509 (AMAZON-02)
1 2606:4700:10:... 13335 (CLOUDFLAR...)
1 2a00:1450:400... 15169 (GOOGLE)
14 54.83.118.61 14618 (AMAZON-AES)
1 18.66.139.123 16509 (AMAZON-02)
1 3.218.60.95 14618 (AMAZON-AES)
2 2a00:1450:400... 15169 (GOOGLE)
1 3 142.250.185.230 15169 (GOOGLE)
2 142.250.186.162 15169 (GOOGLE)
4 2a03:2880:f02... 32934 (FACEBOOK)
2 54.228.118.148 16509 (AMAZON-02)
1 1 18.66.122.99 16509 (AMAZON-02)
1 2 52.213.70.117 16509 (AMAZON-02)
3 2a03:2880:f12... 32934 (FACEBOOK)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 1 2a00:1450:400... 15169 (GOOGLE)
1 2 2a00:1450:401... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
1 1 2a00:1450:400... 15169 (GOOGLE)
1 35.71.131.137 16509 (AMAZON-02)
2 2a02:26f0:6c0... 20940 (AKAMAI-ASN1)
2 23.210.252.189 16625 (AKAMAI-AS)
104 24
Apex Domain
Subdomains
Transfer
39 cloudfront.net
d35aaqx5ub95lt.cloudfront.net
750 KB
21 duolingo.com
www.duolingo.com — Cisco Umbrella Rank: 20881
excess.duolingo.com — Cisco Umbrella Rank: 12865
brb.duolingo.com — Cisco Umbrella Rank: 13202
stories.duolingo.com — Cisco Umbrella Rank: 16153
15 KB
9 lmepbq.com
s.lmepbq.com — Cisco Umbrella Rank: 37654
54 KB
5 doubleclick.net
9814127.fls.doubleclick.net — Cisco Umbrella Rank: 72518
stats.g.doubleclick.net — Cisco Umbrella Rank: 92
googleads.g.doubleclick.net — Cisco Umbrella Rank: 44
4 KB
5 cookielaw.org
cdn.cookielaw.org — Cisco Umbrella Rank: 501
116 KB
4 facebook.net
connect.facebook.net — Cisco Umbrella Rank: 146
227 KB
3 google.de
www.google.de — Cisco Umbrella Rank: 5483
adservice.google.de — Cisco Umbrella Rank: 7678
1 KB
3 google.com
adservice.google.com — Cisco Umbrella Rank: 74
www.google.com — Cisco Umbrella Rank: 7
1 KB
3 facebook.com
www.facebook.com — Cisco Umbrella Rank: 102
476 B
2 pinterest.com
ct.pinterest.com — Cisco Umbrella Rank: 856
1 KB
2 pinimg.com
s.pinimg.com — Cisco Umbrella Rank: 750
19 KB
2 bidr.io
cnv.event.prod.bidr.io — Cisco Umbrella Rank: 8931
1 KB
2 adalyser.com
c0.adalyser.com — Cisco Umbrella Rank: 28669
13 KB
2 googleadservices.com
www.googleadservices.com — Cisco Umbrella Rank: 110
16 KB
2 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 37
20 KB
1 adsrvr.org
insight.adsrvr.org — Cisco Umbrella Rank: 625
261 B
1 pointmediatracker.com
pixel.pointmediatracker.com — Cisco Umbrella Rank: 2616
639 B
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 71
59 KB
1 onetrust.com
geolocation.onetrust.com — Cisco Umbrella Rank: 824
457 B
104 19
Domain Requested by
39 d35aaqx5ub95lt.cloudfront.net www.duolingo.com
d35aaqx5ub95lt.cloudfront.net
14 excess.duolingo.com d35aaqx5ub95lt.cloudfront.net
9 s.lmepbq.com www.duolingo.com
s.lmepbq.com
d35aaqx5ub95lt.cloudfront.net
5 cdn.cookielaw.org www.duolingo.com
cdn.cookielaw.org
d35aaqx5ub95lt.cloudfront.net
4 connect.facebook.net www.duolingo.com
connect.facebook.net
9814127.fls.doubleclick.net
4 www.duolingo.com d35aaqx5ub95lt.cloudfront.net
3 www.facebook.com www.duolingo.com
9814127.fls.doubleclick.net
3 9814127.fls.doubleclick.net 1 redirects www.googletagmanager.com
adservice.google.com
2 ct.pinterest.com s.pinimg.com
9814127.fls.doubleclick.net
2 s.pinimg.com 9814127.fls.doubleclick.net
s.pinimg.com
2 www.google.de www.duolingo.com
2 www.google.com 1 redirects www.duolingo.com
2 cnv.event.prod.bidr.io 1 redirects www.duolingo.com
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 insight.adsrvr.org 9814127.fls.doubleclick.net
1 adservice.google.de 1 redirects
1 googleads.g.doubleclick.net 1 redirects
1 stats.g.doubleclick.net d35aaqx5ub95lt.cloudfront.net
1 adservice.google.com 9814127.fls.doubleclick.net
1 pixel.pointmediatracker.com 1 redirects
1 brb.duolingo.com d35aaqx5ub95lt.cloudfront.net
1 www.googletagmanager.com d35aaqx5ub95lt.cloudfront.net
1 geolocation.onetrust.com cdn.cookielaw.org
104 26
Subject Issuer Validity Valid
*.duolingo.com
Go Daddy Secure Certificate Authority - G2
2021-11-21 -
2022-12-23
a year crt.sh
cookielaw.org
Cloudflare Inc ECC CA-3
2022-05-01 -
2023-05-01
a year crt.sh
lmepbq.com
R3
2022-05-03 -
2022-08-01
3 months crt.sh
*.cloudfront.net
Amazon
2022-02-01 -
2023-01-31
a year crt.sh
onetrust.com
Cloudflare Inc ECC CA-3
2022-01-12 -
2023-01-12
a year crt.sh
*.google-analytics.com
GTS CA 1C3
2022-04-25 -
2022-07-18
3 months crt.sh
*.doubleclick.net
GTS CA 1C3
2022-04-25 -
2022-07-18
3 months crt.sh
www.googleadservices.com
GTS CA 1C3
2022-04-25 -
2022-07-18
3 months crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA
2022-02-23 -
2022-05-24
3 months crt.sh
*.adalyser.com
Thawte RSA CA 2018
2021-06-11 -
2022-07-12
a year crt.sh
*.googleadservices.com
GTS CA 1C3
2022-04-25 -
2022-07-18
3 months crt.sh
*.google.com
GTS CA 1C3
2022-04-25 -
2022-07-18
3 months crt.sh
*.g.doubleclick.net
GTS CA 1C3
2022-04-25 -
2022-07-18
3 months crt.sh
www.google.com
GTS CA 1C3
2022-04-25 -
2022-07-18
3 months crt.sh
www.google.de
GTS CA 1C3
2022-04-25 -
2022-07-18
3 months crt.sh
*.adsrvr.org
GlobalSign GCC R3 DV TLS CA 2020
2022-03-31 -
2023-05-02
a year crt.sh
*.pinterest.com
DigiCert TLS RSA SHA256 2020 CA1
2021-07-26 -
2022-08-05
a year crt.sh

This page contains 5 frames:

Primary Page: https://www.duolingo.com/
Frame ID: D50368810952433608FB78E75F06487A
Requests: 83 HTTP requests in this frame

Frame: https://9814127.fls.doubleclick.net/activityi;dc_pre=CKCzh-385fcCFZaZhQodpf4JMQ;src=9814127;type=hv3;cat=allpa0;ord=9481943584534;gtm=2wg5g0;auiddc=773403077.1652771290;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Frame ID: EB46A66A86659DC4C7A9E5B2FED8A783
Requests: 1 HTTP requests in this frame

Frame: blob://https://www.duolingo.com/f8aaaca2-ea0f-478a-a653-1e3c026f9af3
Frame ID: 8F3578594D09310FBB0A142692EDB404
Requests: 1 HTTP requests in this frame

Frame: https://adservice.google.com/ddm/fls/i/dc_pre=CKCzh-385fcCFZaZhQodpf4JMQ;src=9814127;type=hv3;cat=allpa0;ord=9481943584534;gtm=2wg5g0;auiddc=773403077.1652771290;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Frame ID: 77D2676B981D1EF90BEF1129587B2B98
Requests: 1 HTTP requests in this frame

Frame: https://9814127.fls.doubleclick.net/ddm/fls/r/dc_pre=CKCzh-385fcCFZaZhQodpf4JMQ;src=9814127;type=hv3;cat=allpa0;ord=9481943584534;gtm=2wg5g0;auiddc=773403077.1652771290;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Frame ID: EFFB1CE2E728E1D1E6632501DD34D493
Requests: 10 HTTP requests in this frame

Screenshot

Page Title

Duolingo - Die weltbeste Methode, eine Sprache zu lernenbadge-app-storebadge-app-store

Detected technologies

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

Overall confidence: 100%
Detected patterns
  • //connect\.facebook\.([a-z]+)/[^/]*/[a-z]*\.js

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

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtm\.js

Overall confidence: 100%
Detected patterns
  • cdn\.cookielaw\.org
  • otSDKStub\.js

Page Statistics

104
Requests

96 %
HTTPS

54 %
IPv6

19
Domains

26
Subdomains

24
IPs

4
Countries

1296 kB
Transfer

4227 kB
Size

25
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 67
  • https://9814127.fls.doubleclick.net/activityi;src=9814127;type=hv3;cat=allpa0;ord=9481943584534;gtm=2wg5g0;auiddc=773403077.1652771290;~oref=https%3A%2F%2Fwww.duolingo.com%2F HTTP 302
  • https://9814127.fls.doubleclick.net/activityi;dc_pre=CKCzh-385fcCFZaZhQodpf4JMQ;src=9814127;type=hv3;cat=allpa0;ord=9481943584534;gtm=2wg5g0;auiddc=773403077.1652771290;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Request Chain 73
  • https://pixel.pointmediatracker.com/kpi?c=duolingo&kpi=visit&tag_id=111&fpc=0f176e8d-9336-4acf-a239-b97dd30d622a&utm_source=undefined&utm_medium=undefined&utm_campaign=undefined&gtmcb=1227525661 HTTP 302
  • https://cnv.event.prod.bidr.io/log/cnv?tag_id=111&buzz_key=blisspoint&value=duolingo&segment_key=&order=1de299de-978f-47b0-acea-0f38b549083a.null&ord=4388823401149122428 HTTP 303
  • https://cnv.event.prod.bidr.io/log/cnv?tag_id=111&buzz_key=blisspoint&value=duolingo&segment_key=&order=1de299de-978f-47b0-acea-0f38b549083a.null&ord=4388823401149122428&_bee_ppp=1
Request Chain 87
  • https://googleads.g.doubleclick.net/pagead/viewthroughconversion/397119219/?random=260171059&cv=9&fst=1652771290026&num=1&value=1&label=k0ETCJGBvf0BEPOdrr0B&bg=ffffff&guid=ON&resp=GooglemKTybQhCsO&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=0&u_java=false&u_nplug=3&u_nmime=4&gtm=2wg5g0&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&auid=773403077.1652771290&hn=www.googleadservices.com&async=1&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&ocp_id=2kmDYtn4B4u31waxu634AQ&sscte=1&crd=&eitems=ChEI8I-NlAYQiaj-84TzxfXXARIdAOTyQxEiU5AG8GWkokBP3qH1P78MEkYfBU4H7y4 HTTP 302
  • https://www.google.com/pagead/1p-conversion/397119219/?random=260171059&cv=9&fst=1652771290026&num=1&value=1&label=k0ETCJGBvf0BEPOdrr0B&bg=ffffff&guid=ON&resp=GooglemKTybQhCsO&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=0&u_java=false&u_nplug=3&u_nmime=4&gtm=2wg5g0&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&auid=773403077.1652771290&hn=www.googleadservices.com&async=1&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&is_vtc=1&ocp_id=2kmDYtn4B4u31waxu634AQ&cid=CAQSKQCNIrLMRNlYeCwSX-jBMLNgSClTKXlR8x0KI106NlrOa9D8YuDGQXCm&eitems=ChEI8I-NlAYQiaj-84TzxfXXARIdAOTyQxElOVI7pS046kEdxebskLxtNRP6rHWZCHE&random=1706700464&resp=GooglemKTybQhCsO HTTP 302
  • https://www.google.de/pagead/1p-conversion/397119219/?random=260171059&cv=9&fst=1652771290026&num=1&value=1&label=k0ETCJGBvf0BEPOdrr0B&bg=ffffff&guid=ON&resp=GooglemKTybQhCsO&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=0&u_java=false&u_nplug=3&u_nmime=4&gtm=2wg5g0&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&auid=773403077.1652771290&hn=www.googleadservices.com&async=1&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&is_vtc=1&ocp_id=2kmDYtn4B4u31waxu634AQ&cid=CAQSKQCNIrLMRNlYeCwSX-jBMLNgSClTKXlR8x0KI106NlrOa9D8YuDGQXCm&eitems=ChEI8I-NlAYQiaj-84TzxfXXARIdAOTyQxElOVI7pS046kEdxebskLxtNRP6rHWZCHE&random=1706700464&resp=GooglemKTybQhCsO&ipr=y&prhg=0
Request Chain 92
  • https://adservice.google.de/ddm/fls/i/dc_pre=CKCzh-385fcCFZaZhQodpf4JMQ;src=9814127;type=hv3;cat=allpa0;ord=9481943584534;gtm=2wg5g0;auiddc=773403077.1652771290;~oref=https%3A%2F%2Fwww.duolingo.com%2F HTTP 302
  • https://9814127.fls.doubleclick.net/ddm/fls/r/dc_pre=CKCzh-385fcCFZaZhQodpf4JMQ;src=9814127;type=hv3;cat=allpa0;ord=9481943584534;gtm=2wg5g0;auiddc=773403077.1652771290;~oref=https%3A%2F%2Fwww.duolingo.com%2F

104 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
www.duolingo.com/
8 KB
3 KB
Document
General
Full URL
https://www.duolingo.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.229.194.78 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-229-194-78.compute-1.amazonaws.com
Software
duo-api /
Resource Hash
755cb276320b89ed10aa4ffa6c8a976db632318ae2532181cd2cd746b7575522
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

cache-control
no-store, no-cache, must-revalidate, proxy-revalidate
content-encoding
gzip
content-type
text/html; charset=UTF-8
date
Tue, 17 May 2022 07:08:08 GMT
expires
0
no-retry
1
pragma
no-cache
server
duo-api
surrogate-control
no-store
x-duo-request-host
www.duolingo.com
x-envoy-upstream-service-time
33
x-frame-options
SAMEORIGIN
x-ipcountry
US
x-runtime
0.03071
x-tid
ffff7c86628349b7004d
x-ws
UK
otSDKStub.js
cdn.cookielaw.org/scripttemplates/
20 KB
7 KB
Script
General
Full URL
https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
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
03aa6fcac2902227e1b66a01b87824692f708bbf9bfe441784f8ed22d677f6de
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Tue, 17 May 2022 07:08:08 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
+q2Bd0SvXowDeesSOf+0yw==
age
10056
vary
Accept-Encoding
content-length
6782
x-ms-lease-status
unlocked
last-modified
Fri, 13 May 2022 12:13:28 GMT
server
cloudflare
etag
0x8DA34D9FD30D37D
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
461614fa-001e-005d-4ad7-6628e2000000
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
70ca852af9becc62-ZRH
clear.js
s.lmepbq.com/ag/891112/
6 KB
3 KB
Script
General
Full URL
https://s.lmepbq.com/ag/891112/clear.js?ck=aac2cac2-095f-4a9f-8a2a-95eaf32890a2&dt=8911121635444670059000&mo=0&pd=acc
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
18.203.144.158 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-18-203-144-158.eu-west-1.compute.amazonaws.com
Software
/
Resource Hash
3f4f938914a41ed8150baaa62b000e9ee0be960723a57b706b8c9ada13bd61fe
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

Pragma
no-cache
Date
Tue, 17 May 2022 07:08:08 GMT
Content-Encoding
gzip
Accept-Ch
Viewport-Width, Viewport-Height, Width, DPR, RTT, ECT, Device-Memory, Downlink, Save-Data
Vary
*
Content-Type
text/javascript; charset=utf-8
Cache-Control
no-cache, no-store, must-revalidate, no-transform, private, max-age=0
Strict-Transport-Security
max-age=31536000; includeSubDomains
Timing-Allow-Origin
*
Content-Length
2659
Expires
0
manifest-2d384a59.js
d35aaqx5ub95lt.cloudfront.net/js/
11 KB
6 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/manifest-2d384a59.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2490:3200:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
0a239bddea36bf778ca9da79508b9b722dc42248c1c79d4c612ec15b99595cd5

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

x-amz-server-side-encryption
AES256
date
Tue, 17 May 2022 00:10:42 GMT
content-encoding
gzip
last-modified
Tue, 17 May 2022 00:09:47 GMT
server
AmazonS3
age
25047
etag
"24a5d18fc4c8560cfe4883a83fe3901b"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 8d07edb8bf98788bf512d51f8cc554f6.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-P6
accept-ranges
bytes
content-length
5479
x-amz-cf-id
6v6lcxf-oKKia8ScTNZiXRw7xOS8zJqCfBiPd-EE2HAs8Up92FrflA==
2867-e7f51573.js
d35aaqx5ub95lt.cloudfront.net/js/
207 KB
74 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/2867-e7f51573.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2490:3200:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
8c7446d5e2b91e74ff7838a87d2a16661829e784091dd88aa6673fc462f3aafd

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

x-amz-server-side-encryption
AES256
date
Wed, 11 May 2022 20:17:44 GMT
content-encoding
gzip
last-modified
Wed, 11 May 2022 19:29:04 GMT
server
AmazonS3
age
471025
etag
"e24e7fce7e97847f6a6634f87aa197b9"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 8d07edb8bf98788bf512d51f8cc554f6.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-P6
accept-ranges
bytes
content-length
75275
x-amz-cf-id
UJkp24ayioC5L8VGVvxB5sQTNa86kh4JvB4g3EdnmfSMefBJhBGJ3w==
de-a9fb9fbe.js
d35aaqx5ub95lt.cloudfront.net/js/strings/
7 KB
2 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/strings/de-a9fb9fbe.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2490:3200:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
f0f2e060019459e3c3967037f08e3967b072033dd59973e34d9e69db35895f9a

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

x-amz-server-side-encryption
AES256
date
Thu, 30 Sep 2021 21:01:22 GMT
content-encoding
gzip
last-modified
Thu, 30 Sep 2021 20:53:51 GMT
server
AmazonS3
age
19735607
etag
"1cc644b3e84e3bc7b3d1fc7624800d9e"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 8d07edb8bf98788bf512d51f8cc554f6.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-P6
accept-ranges
bytes
content-length
2135
x-amz-cf-id
loYmRvo1lXqXWorAKIb_gTUFDHa_acwTOG5HssxDHPgBqb7C8QoVig==
9819-f86d5986.js
d35aaqx5ub95lt.cloudfront.net/js/
354 KB
92 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/9819-f86d5986.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2490:3200:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
841ef80b532da8bbf0df4f7e6634d4df9a46496d558664055ab259d03db25cda

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

x-amz-server-side-encryption
AES256
date
Wed, 11 May 2022 19:53:06 GMT
content-encoding
gzip
last-modified
Wed, 11 May 2022 19:29:05 GMT
server
AmazonS3
age
472503
etag
"c61ca742a9589396e8558aa5c3d56b3b"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 8d07edb8bf98788bf512d51f8cc554f6.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-P6
accept-ranges
bytes
content-length
94142
x-amz-cf-id
Wy3Qa1KbZIfpMogJvL-SNZ4jnSXCZw9rH4X7ViBu1N4m7of-t4VgLw==
en-1644a48e.js
d35aaqx5ub95lt.cloudfront.net/js/strings/
226 B
580 B
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/strings/en-1644a48e.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2490:3200:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
1d5484074d844addc76cc620a18d6eab5e5e585f58b5ab7921be19398203a10b

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

x-amz-server-side-encryption
AES256
date
Wed, 29 Sep 2021 21:04:28 GMT
content-encoding
gzip
last-modified
Wed, 29 Sep 2021 20:54:43 GMT
server
AmazonS3
age
19821821
etag
"5d4afd4d5093bf9c36d0c8fccef8ba4a"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 8d07edb8bf98788bf512d51f8cc554f6.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-P6
accept-ranges
bytes
content-length
183
x-amz-cf-id
Bs1AYlkhwmbS9iXE1SCfeHfP49KQBvccrbAzG5V8bXTOc4uQjQe1Lw==
8028-92ef2df9.js
d35aaqx5ub95lt.cloudfront.net/js/
29 KB
11 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/8028-92ef2df9.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2490:3200:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
de17b253b9e062cbbfb0dd0ae0ff188fb0603f7e416dc6bc6305ea913b0b5f1e

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

x-amz-server-side-encryption
AES256
date
Wed, 23 Feb 2022 21:57:31 GMT
content-encoding
gzip
last-modified
Wed, 23 Feb 2022 21:52:07 GMT
server
AmazonS3
age
7117838
etag
"5550a4e5e09826edf6473ab3ce8e5988"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 8d07edb8bf98788bf512d51f8cc554f6.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-P6
accept-ranges
bytes
content-length
10845
x-amz-cf-id
3knroj-uD1X-SUL2BHfIEXQMm3WD1qZm6w4hj8X7tDwYRavBGF-0YQ==
polyfills-3a87979e.js
d35aaqx5ub95lt.cloudfront.net/js/
450 B
665 B
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/polyfills-3a87979e.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2490:3200:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
3ea86159118f3fcbd765c1f47353b8bee4f45a248afbfdd33b006941cdf5de65

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

x-amz-server-side-encryption
AES256
date
Wed, 23 Feb 2022 21:57:32 GMT
content-encoding
gzip
last-modified
Wed, 23 Feb 2022 21:52:07 GMT
server
AmazonS3
age
7117837
etag
"9432b1e5f24ff0765785715f97ca0b76"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 8d07edb8bf98788bf512d51f8cc554f6.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-P6
accept-ranges
bytes
content-length
270
x-amz-cf-id
6rsPqmlLpSvWab3mVSEUput6vL7m42GL_T027lMAF6dEef2qNREh-Q==
1950-1e49a26f.js
d35aaqx5ub95lt.cloudfront.net/js/
471 KB
148 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/1950-1e49a26f.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2490:3200:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
92c77c34995e8bc8ef067a67706b23a7196957e2ae4748402690fed56f8e1846

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

x-amz-server-side-encryption
AES256
date
Wed, 11 May 2022 19:53:06 GMT
content-encoding
gzip
last-modified
Wed, 11 May 2022 19:29:50 GMT
server
AmazonS3
age
472503
etag
"cda1d2a5851e4459b709f1c5921a2e9f"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 8d07edb8bf98788bf512d51f8cc554f6.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-P6
accept-ranges
bytes
content-length
151432
x-amz-cf-id
0iWy7Yvj1mS3co6ulUvnP1W_qeriKixheAbhgdU8hX1fR0Kxq2RRfQ==
app-b2a971fe.js
d35aaqx5ub95lt.cloudfront.net/js/
670 KB
182 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/app-b2a971fe.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2490:3200:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
4e8e42319d152b700673c0aab47553697ef1c96377334de13c77e7f2af0de455

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

x-amz-server-side-encryption
AES256
date
Mon, 16 May 2022 17:14:43 GMT
content-encoding
gzip
last-modified
Mon, 16 May 2022 17:05:26 GMT
server
AmazonS3
age
50006
etag
"15b3e2594e9b8202db498202eb40bd67"
x-cache
Hit from cloudfront
content-type
application/javascript
via
1.1 8d07edb8bf98788bf512d51f8cc554f6.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-P6
accept-ranges
bytes
content-length
185476
x-amz-cf-id
opEyf2iDyDVXwsWz5TV1Ufb9Qu_VRn9TUgQ6r27JozGW88BTFyr0qQ==
1950-fe564c5f.css
d35aaqx5ub95lt.cloudfront.net/css/
22 KB
5 KB
Stylesheet
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/1950-fe564c5f.css
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2490:3200:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
863125c2cb239f72313a06b182864902f133a330e5b9e78a6e774d30927f22f4

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

x-amz-server-side-encryption
AES256
date
Wed, 11 May 2022 19:53:06 GMT
content-encoding
gzip
last-modified
Wed, 11 May 2022 19:29:41 GMT
server
AmazonS3
age
472503
etag
"491407b1174319a99e8f62c9f9fdf8de"
x-cache
Hit from cloudfront
content-type
text/css
via
1.1 8d07edb8bf98788bf512d51f8cc554f6.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-P6
accept-ranges
bytes
content-length
5077
x-amz-cf-id
yPDto3Q0hL9EYxodwEJMCERq2KV7OYAI1nHUWm2fwLSmc4kD0DbSEQ==
app-8cb89181.css
d35aaqx5ub95lt.cloudfront.net/css/
72 KB
15 KB
Stylesheet
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/css/app-8cb89181.css
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2490:3200:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
835509ba99755a541e89787efb7a60c56dd8aeb4da27e6adc9e68a4b3f1624b1

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

x-amz-server-side-encryption
AES256
date
Wed, 11 May 2022 19:53:06 GMT
content-encoding
gzip
last-modified
Wed, 11 May 2022 19:29:43 GMT
server
AmazonS3
age
472503
etag
"f911131d9f304655bf82b7b146d7ffd8"
x-cache
Hit from cloudfront
content-type
text/css
via
1.1 8d07edb8bf98788bf512d51f8cc554f6.cloudfront.net (CloudFront)
cache-control
max-age=315360000
x-amz-cf-pop
FRA56-P6
accept-ranges
bytes
content-length
15205
x-amz-cf-id
MdDBDM32x1CcDMLtwGXKfsKozKOYhb6QCH0onNGrFmDplBL1gMDJhw==
55a7f100-001e-4085-87ec-1a6d522f7d67.json
cdn.cookielaw.org/consent/55a7f100-001e-4085-87ec-1a6d522f7d67/
4 KB
2 KB
XHR
General
Full URL
https://cdn.cookielaw.org/consent/55a7f100-001e-4085-87ec-1a6d522f7d67/55a7f100-001e-4085-87ec-1a6d522f7d67.json
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:9540 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
92b0ab5ddd16e52f6f4a50cc90a7f3216ed08d01309d7e9fe6901bc7059c09c1
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Tue, 17 May 2022 07:08:08 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
6CFUc5RY3IhG3Kfr/mTs4g==
age
3352
vary
Accept-Encoding
content-length
1664
x-ms-lease-status
unlocked
last-modified
Tue, 29 Mar 2022 21:26:55 GMT
server
cloudflare
etag
0x8DA11CAD939C4FB
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/x-javascript
access-control-allow-origin
*
x-ms-request-id
b04a1210-b01e-00e5-4bc8-43ca11000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
public, max-age=14400
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
70ca852b6867021d-ZRH
expires
Tue, 17 May 2022 11:08:08 GMT
location
geolocation.onetrust.com/cookieconsentpub/v1/geo/
182 B
457 B
XHR
General
Full URL
https://geolocation.onetrust.com/cookieconsentpub/v1/geo/location
Requested by
Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6814:b944 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
fd9308db31181fde13aca740757dcb439baf71d731011a87da483a28faae444f
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload

Request headers

accept
application/json
Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

date
Tue, 17 May 2022 07:08:08 GMT
content-encoding
gzip
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
access-control-allow-methods
GET, OPTIONS
content-type
application/json
access-control-allow-origin
*
strict-transport-security
max-age=31536000; includeSubDomains; preload
cf-ray
70ca852bc9a901f8-ZRH
access-control-allow-headers
Content-Type
postback
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0
145 B
XHR
General
Full URL
https://s.lmepbq.com/2/2.58.0/891112/AUUbrLsREAIhOh1B/postback?oz_pl=1&ck=aac2cac2-095f-4a9f-8a2a-95eaf32890a2&dt=8911121635444670059000&mo=0&pd=acc&ci=891112&_x=1
Requested by
Host: s.lmepbq.com
URL: https://s.lmepbq.com/ag/891112/clear.js?ck=aac2cac2-095f-4a9f-8a2a-95eaf32890a2&dt=8911121635444670059000&mo=0&pd=acc
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
18.203.144.158 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-18-203-144-158.eu-west-1.compute.amazonaws.com
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36
Content-Type
text/plain

Response headers

Access-Control-Allow-Origin
*
Date
Tue, 17 May 2022 07:08:08 GMT
Timing-Allow-Origin
*
Content-Length
0
Vary
Origin
main.js
s.lmepbq.com/2/2.58.0/
158 KB
50 KB
Script
General
Full URL
https://s.lmepbq.com/2/2.58.0/main.js
Requested by
Host: s.lmepbq.com
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content-encoding
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accept-encoding
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access-control-allow-methods
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Request headers

accept-language
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Response headers

x-amz-server-side-encryption
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server
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Request headers

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Response headers

x-amz-server-side-encryption
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content-encoding
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last-modified
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server
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x-cache
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content-type
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cache-control
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Response headers

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content-encoding
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cf-cache-status
HIT
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/1950-1e49a26f.js
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H2
Security
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Request headers

Accept
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Response headers

date
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content-encoding
gzip
vary
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age
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x-cache
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server
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/1950-1e49a26f.js
Protocol
H2
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Request headers

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Response headers

date
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accept-encoding
gzip, identity
server
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access-control-max-age
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access-control-allow-methods
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Software
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Request headers

Accept
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Response headers

date
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content-encoding
gzip
vary
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age
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x-amz-server-side-encryption
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x-cache
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content-length
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server
AmazonS3
etag
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Request headers

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accept-language
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User-Agent
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Response headers

date
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accept-encoding
gzip, identity
server
Jetty(9.2.z-SNAPSHOT)
access-control-max-age
3600
access-control-allow-methods
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Response headers

date
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accept-encoding
gzip, identity
server
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access-control-max-age
3600
access-control-allow-methods
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312 B
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/1950-1e49a26f.js
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Response headers

date
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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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URL: https://d35aaqx5ub95lt.cloudfront.net/js/1950-1e49a26f.js
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Request headers

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Response headers

date
Tue, 17 May 2022 07:08:09 GMT
accept-encoding
gzip, identity
server
Jetty(9.2.z-SNAPSHOT)
access-control-max-age
3600
access-control-allow-methods
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Full URL
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Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/1950-1e49a26f.js
Protocol
H2
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TLS 1.2, ECDHE_RSA, AES_128_GCM
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X-Requested-With
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accept-language
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X-Amzn-Trace-Id
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Response headers

pragma
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date
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content-encoding
gzip
server
duo-api
x-ws
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no-retry
1
x-tid
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surrogate-control
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x-frame-options
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content-type
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cache-control
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768 B
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Request headers

Accept
application/json, text/plain, */*
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Response headers

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via
1.1 87fae571c6ea0d7d1101b71cc2131bba.cloudfront.net (CloudFront)
server
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x-amz-cf-pop
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X-Amzn-Trace-Id
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content-encoding
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pragma
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Protocol
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Request headers

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Referer
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X-Requested-With
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accept-language
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X-Amzn-Trace-Id
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User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

date
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x-content-type-options
nosniff
x-duo-request-host
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Protocol
H2
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Request headers

Accept
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accept-language
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X-Amzn-Trace-Id
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Content-Type
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Response headers

date
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x-ws
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access-control-allow-origin
https://www.duolingo.com
x-tid
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surrogate-control
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pragma
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cache-control
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access-control-allow-credentials
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access-control-allow-headers
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batch
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Security
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Server
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Software
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Request headers

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Response headers

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Software
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Request headers

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Response headers

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batch
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Reverse DNS
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Software
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Request headers

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Response headers

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access-control-allow-methods
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Software
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Request headers

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content-type
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Response headers

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access-control-allow-methods
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access-control-allow-origin
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Software
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Request headers

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Response headers

accept-encoding
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access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods
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access-control-allow-origin
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server
Jetty(9.2.z-SNAPSHOT)
batch
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Protocol
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Security
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Server
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Reverse DNS
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Software
Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

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

accept-encoding
gzip, identity
access-control-allow-headers
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access-control-allow-methods
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access-control-allow-origin
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server
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config
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Software
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Resource Hash
Security Headers
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Request headers

Accept
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x-amzn-trace-id,x-requested-with
Access-Control-Request-Method
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Response headers

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x-amzn-trace-id, x-requested-with
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date
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expires
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pragma
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server
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x-content-type-options
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/1950-1e49a26f.js
Protocol
HTTP/1.1
Security
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Software
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Referer
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accept-language
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User-Agent
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Content-Type
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Response headers

Access-Control-Allow-Origin
*
Date
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Timing-Allow-Origin
*
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Full URL
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Requested by
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URL: https://www.googletagmanager.com/gtm.js?id=GTM-TX6Z97C
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Security
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Security Headers
Name Value
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Request headers

accept-language
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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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x-content-type-options
nosniff
last-modified
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server
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age
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vary
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cache-control
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alt-svc
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477 B
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Protocol
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Security
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Security Headers
Name Value
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Response headers

alt-svc
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expires
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p3p
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Redirect headers

alt-svc
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date
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expires
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p3p
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pragma
no-cache
server
cafe
strict-transport-security
max-age=21600
timing-allow-origin
*
x-content-type-options
nosniff
x-xss-protection
0
conversion_async.js
www.googleadservices.com/pagead/
39 KB
15 KB
Script
General
Full URL
https://www.googleadservices.com/pagead/conversion_async.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
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Software
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Security Headers
Name Value
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
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Response headers

date
Tue, 17 May 2022 07:08:09 GMT
content-encoding
gzip
x-content-type-options
nosniff
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cross-origin-resource-policy
cross-origin
content-disposition
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alt-svc
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content-length
14865
x-xss-protection
0
server
cafe
etag
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vary
Accept-Encoding
content-type
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cache-control
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timing-allow-origin
*
expires
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fbevents.js
connect.facebook.net/en_US/
99 KB
27 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:100:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
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Security Headers
Name Value
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Request headers

accept-language
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User-Agent
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Response headers

content-security-policy
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content-encoding
gzip
x-content-type-options
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document-policy
force-load-at-top
cross-origin-resource-policy
cross-origin
alt-svc
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content-length
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x-xss-protection
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pragma
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x-frame-options
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same-origin-allow-popups
cross-origin-embedder-policy-report-only
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date
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strict-transport-security
max-age=31536000; preload; includeSubDomains
report-to
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content-type
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vary
Accept-Encoding
cache-control
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x-fb-rlafr
0
priority
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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
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URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
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Software
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Request headers

accept-language
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Referer
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User-Agent
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Response headers

date
Tue, 17 May 2022 07:08:09 GMT
content-encoding
gzip
x-powered-by
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etag
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p3p
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access-control-allow-origin
*
cache-control
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access-control-allow-credentials
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content-type
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access-control-allow-headers
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content-length
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Full URL
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Requested by
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/1950-1e49a26f.js
Protocol
H2
Security
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Server
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Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
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Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 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
content-md5
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age
3114
vary
Accept-Encoding
content-length
20523
x-ms-lease-status
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last-modified
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server
cloudflare
etag
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expect-ct
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strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
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access-control-allow-origin
*
x-ms-request-id
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access-control-expose-headers
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cache-control
public, max-age=14400
x-ms-version
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accept-ranges
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cf-ray
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expires
Tue, 17 May 2022 11:08:09 GMT
postback
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145 B
XHR
General
Full URL
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Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/1950-1e49a26f.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
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Reverse DNS
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Software
/
Resource Hash
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Request headers

Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36
Content-Type
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Response headers

Access-Control-Allow-Origin
*
Date
Tue, 17 May 2022 07:08:08 GMT
Timing-Allow-Origin
*
Content-Length
0
Vary
Origin
cnv
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43 B
793 B
Image
General
Full URL
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
HTTP/1.1
Server
52.213.70.117 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
nginx /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=2592000; includeSubDomains

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

pragma
no-cache
Date
Tue, 17 May 2022 07:08:10 GMT
Server
nginx
strict-transport-security
max-age=2592000; includeSubDomains
p3p
CP="This is not a P3P policy! See https://beeswax.com/privacy for more info."
cache-control
no-cache, must-revalidate
Connection
keep-alive
content-type
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Content-Length
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expires
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Redirect headers

location
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Date
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Server
nginx
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keep-alive
Content-Length
0
strict-transport-security
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otFlat.json
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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/1950-1e49a26f.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:9540 , United States, ASN13335 (CLOUDFLARENET, US),
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Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
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Referer
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Response headers

x-ms-blob-type
BlockBlob
date
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content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
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age
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content-length
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x-ms-lease-status
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last-modified
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server
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etag
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expect-ct
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strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
application/json
access-control-allow-origin
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x-ms-request-id
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access-control-expose-headers
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cache-control
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x-ms-version
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accept-ranges
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cf-ray
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connect.facebook.net/signals/config/
306 KB
87 KB
Script
General
Full URL
https://connect.facebook.net/signals/config/1735692093320310?v=2.9.60&r=stable
Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/en_US/fbevents.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f02d:100:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
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Resource Hash
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Security Headers
Name Value
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X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

content-security-policy
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content-encoding
gzip
x-content-type-options
nosniff
document-policy
force-load-at-top
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400,h3-29=":443"; ma=86400
content-length
89124
x-xss-protection
0
pragma
public
x-fb-debug
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x-fb-trip-id
917726464
x-frame-options
DENY
cross-origin-opener-policy
same-origin-allow-popups
cross-origin-embedder-policy-report-only
require-corp;report-to="coep_report"
date
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strict-transport-security
max-age=31536000; preload; includeSubDomains
report-to
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content-type
application/x-javascript; charset=utf-8
vary
Accept-Encoding
cache-control
public, max-age=1200
x-fb-rlafr
0
expires
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batch
excess.duolingo.com/
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312 B
XHR
General
Full URL
https://excess.duolingo.com/batch
Requested by
Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/1950-1e49a26f.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.83.118.61 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
https://www.duolingo.com/
accept-language
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User-Agent
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Content-type
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Response headers

date
Tue, 17 May 2022 07:08:10 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
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access-control-allow-origin
*
access-control-allow-headers
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content-length
34
batch
excess.duolingo.com/ Frame
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Full URL
https://excess.duolingo.com/batch
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.83.118.61 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-54-83-118-61.compute-1.amazonaws.com
Software
Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

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

accept-encoding
gzip, identity
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods
POST, GET, OPTIONS
access-control-allow-origin
*
access-control-max-age
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allow
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content-length
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date
Tue, 17 May 2022 07:08:09 GMT
server
Jetty(9.2.z-SNAPSHOT)
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https://www.duolingo.com/ Frame 8F35
185 B
0
Other
General
Full URL
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
BLOB
Server
-, , ASN (),
Reverse DNS
Software
/
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Software
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Request headers

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Content-Type
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Response headers

Access-Control-Allow-Origin
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Date
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Timing-Allow-Origin
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297 B
Image
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Full URL
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Security
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Security Headers
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Request headers

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Response headers

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last-modified
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server
proxygen-bolt
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Protocol
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Security
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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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accept-language
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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
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server
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cache-control
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content-length
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expires
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/
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General
Full URL
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H3
Security
QUIC, , AES_128_GCM
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Software
cafe /
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Request headers

accept-language
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User-Agent
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Response headers

pragma
no-cache
date
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content-encoding
gzip
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-disposition
attachment; filename="f.txt"
content-type
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alt-svc
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content-length
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x-xss-protection
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expires
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p
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341 B
Image
General
Full URL
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Protocol
H2
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TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
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Software
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Request headers

accept-language
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User-Agent
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Response headers

pragma
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x-powered-by
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etag
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General
Full URL
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Requested by
Host: 9814127.fls.doubleclick.net
URL: https://9814127.fls.doubleclick.net/activityi;dc_pre=CKCzh-385fcCFZaZhQodpf4JMQ;src=9814127;type=hv3;cat=allpa0;ord=9481943584534;gtm=2wg5g0;auiddc=773403077.1652771290;~oref=https%3A%2F%2Fwww.duolingo.com%2F?
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:829::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
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Upgrade-Insecure-Requests
1
User-Agent
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accept-language
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Response headers

alt-svc
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expires
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p3p
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XHR
General
Full URL
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Server
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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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accept-language
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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
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content-type
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expires
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postback
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145 B
XHR
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Full URL
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/1950-1e49a26f.js
Protocol
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Server
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Reverse DNS
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Software
/
Resource Hash
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Request headers

Referer
https://www.duolingo.com/
accept-language
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User-Agent
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Content-Type
text/plain

Response headers

Access-Control-Allow-Origin
*
Date
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Timing-Allow-Origin
*
Content-Length
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/
www.google.de/pagead/1p-conversion/397119219/
Redirect Chain
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H3
Server
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Reverse DNS
Software
cafe /
Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
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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-security-policy
script-src 'none'; object-src 'none'
content-type
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content-length
42
x-xss-protection
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expires
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Redirect headers

pragma
no-cache
date
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x-content-type-options
nosniff
server
cafe
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
content-type
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location
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cache-control
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cross-origin-resource-policy
cross-origin
content-security-policy
script-src 'none'; object-src 'none'
timing-allow-origin
*
alt-svc
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content-length
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x-xss-protection
0
expires
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General
Full URL
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
BLOB
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
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Request headers

accept-language
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Referer
User-Agent
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Response headers

Content-Length
772
ga-audiences
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42 B
501 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
2a00:1450:4014:80f::2004 , Ireland, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
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Referer
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User-Agent
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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-type
image/gif
alt-svc
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content-length
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x-xss-protection
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expires
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ga-audiences
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42 B
501 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
2a00:1450:4001:811::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

accept-language
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Referer
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User-Agent
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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-type
image/gif
alt-svc
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content-length
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x-xss-protection
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expires
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postback
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0
145 B
XHR
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Full URL
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Requested by
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/1950-1e49a26f.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
18.203.144.158 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-18-203-144-158.eu-west-1.compute.amazonaws.com
Software
/
Resource Hash
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Request headers

Referer
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accept-language
de-DE,de;q=0.9
User-Agent
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Content-Type
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Response headers

Access-Control-Allow-Origin
*
Date
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Timing-Allow-Origin
*
Content-Length
0
Vary
Origin
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9814127.fls.doubleclick.net/ddm/fls/r/ Frame EFFB
Redirect Chain
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2 KB
917 B
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Full URL
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Requested by
Host: adservice.google.com
URL: https://adservice.google.com/ddm/fls/i/dc_pre=CKCzh-385fcCFZaZhQodpf4JMQ;src=9814127;type=hv3;cat=allpa0;ord=9481943584534;gtm=2wg5g0;auiddc=773403077.1652771290;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.250.185.230 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
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Software
cafe /
Resource Hash
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Security Headers
Name Value
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X-Content-Type-Options nosniff
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Request headers

Referer
https://adservice.google.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36
accept-language
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Response headers

alt-svc
h3=":443"; ma=2592000,h3-29=":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"
cache-control
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content-length
894
content-type
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cross-origin-resource-policy
cross-origin
date
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expires
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p3p
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server
cafe
strict-transport-security
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timing-allow-origin
*
x-content-type-options
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0

Redirect headers

alt-svc
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content-type
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cross-origin-resource-policy
cross-origin
date
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expires
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location
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p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
pragma
no-cache
server
cafe
timing-allow-origin
*
x-content-type-options
nosniff
x-xss-protection
0
postback
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0
145 B
XHR
General
Full URL
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Requested by
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/1950-1e49a26f.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
18.203.144.158 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-18-203-144-158.eu-west-1.compute.amazonaws.com
Software
/
Resource Hash
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Request headers

Referer
https://www.duolingo.com/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36
Content-Type
text/plain

Response headers

Access-Control-Allow-Origin
*
Date
Tue, 17 May 2022 07:08:09 GMT
Timing-Allow-Origin
*
Content-Length
0
Vary
Origin
/
insight.adsrvr.org/track/pxl/ Frame EFFB
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261 B
Image
General
Full URL
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Requested by
Host: 9814127.fls.doubleclick.net
URL: https://9814127.fls.doubleclick.net/ddm/fls/r/dc_pre=CKCzh-385fcCFZaZhQodpf4JMQ;src=9814127;type=hv3;cat=allpa0;ord=9481943584534;gtm=2wg5g0;auiddc=773403077.1652771290;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
35.71.131.137 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
/
Resource Hash
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Request headers

accept-language
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Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

pragma
no-cache
date
Tue, 17 May 2022 07:08:10 GMT
cache-control
private,no-cache, must-revalidate
x-aspnet-version
4.0.30319
content-type
image/gif
p3p
CP="NOI DSP COR CUR ADMo DEVo PSAo PSDo OUR SAMo BUS UNI NAV"
core.js
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1 KB
1 KB
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General
Full URL
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Requested by
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H2
Security
TLS 1.3, , AES_256_GCM
Server
2a02:26f0:6c00:291::1931 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
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Resource Hash
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Request headers

accept-language
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Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

akamai-x-true-ttl
7200
x-cdn
akamai
etag
"c4a0eea377c5e0da574e46f4d6e838e5"
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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access-control-max-age
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cache-control
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accept-ranges
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access-control-expose-headers
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99 KB
26 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/ddm/fls/r/dc_pre=CKCzh-385fcCFZaZhQodpf4JMQ;src=9814127;type=hv3;cat=allpa0;ord=9481943584534;gtm=2wg5g0;auiddc=773403077.1652771290;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a03:2880:f02d:100:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
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Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
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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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document-policy
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cross-origin-resource-policy
cross-origin
alt-svc
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content-length
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x-xss-protection
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priority
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expires
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306 KB
87 KB
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General
Full URL
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Requested by
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QUIC, , AES_128_GCM
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Security Headers
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Request headers

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https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 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 wss://*.fbcdn.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c&minimize=0;
content-encoding
gzip
x-content-type-options
nosniff
document-policy
force-load-at-top
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400,h3-29=":443"; ma=86400
content-length
89124
x-xss-protection
0
pragma
public
x-fb-debug
1eQwJiGbVoAVYR2DPFTz2VKDcX5s3o7CRLEGtddYyNFCQJ+0yZOtZehjBd1hz4DEnqE/6UzmGrY5orbKTH7UIw==
cross-origin-embedder-policy-report-only
require-corp;report-to="coep_report"
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
DENY
date
Tue, 17 May 2022 07:08:10 GMT
strict-transport-security
max-age=31536000; preload; includeSubDomains
report-to
{"max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/?minimize=0"}],"group":"coep_report"}
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 EFFB
44 B
91 B
Image
General
Full URL
https://www.facebook.com/tr/?id=1735692093320310&ev=PageView&dl=https%3A%2F%2F9814127.fls.doubleclick.net%2Fddm%2Ffls%2Fr%2Fdc_pre%3DCKCzh-385fcCFZaZhQodpf4JMQ%3Bsrc%3D9814127%3Btype%3Dhv3%3Bcat%3Dallpa0%3Bord%3D9481943584534%3Bgtm%3D2wg5g0%3Bauiddc%3D773403077.1652771290%3B~oref%3Dhttps%253A%252F%252Fwww.duolingo.com%252F&rl=https%3A%2F%2Fadservice.google.com%2F&if=true&ts=1652771290668&sw=1600&sh=1200&v=2.9.60&r=stable&ec=0&o=30&it=1652771290629&coo=false&rqm=GET
Requested by
Host: 9814127.fls.doubleclick.net
URL: https://9814127.fls.doubleclick.net/ddm/fls/r/dc_pre=CKCzh-385fcCFZaZhQodpf4JMQ;src=9814127;type=hv3;cat=allpa0;ord=9481943584534;gtm=2wg5g0;auiddc=773403077.1652771290;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a03:2880:f12d:181: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

accept-language
de-DE,de;q=0.9
Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

date
Tue, 17 May 2022 07:08:10 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
content-length
44
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
priority
u=3,i
expires
Tue, 17 May 2022 07:08:10 GMT
main.32155010.js
s.pinimg.com/ct/lib/ Frame EFFB
52 KB
18 KB
Script
General
Full URL
https://s.pinimg.com/ct/lib/main.32155010.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
2a02:26f0:6c00:291::1931 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
/
Resource Hash
83912349e8bc8f0ec2084562dc5e71e06f33a3dfcad4899af80117a7174be14d

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

akamai-x-true-ttl
1209600
content-encoding
gzip
x-cdn
akamai
etag
"fd86de14455274a7c147dc95b77e18e3"
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
accept-ranges
bytes
content-length
18298
access-control-expose-headers
X-CDN
/
ct.pinterest.com/user/ Frame EFFB
488 B
840 B
XHR
General
Full URL
https://ct.pinterest.com/user/?tid=2612728976278&pd=%7B%22em%22%3A%2224aba99b2defbb47ee981b4200313f61f3ae31541d8717bdac1e463c838939b0%22%7D&cb=1652771290885
Requested by
Host: s.pinimg.com
URL: https://s.pinimg.com/ct/lib/main.32155010.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
23.210.252.189 Frankfurt am Main, Germany, ASN16625 (AKAMAI-AS, US),
Reverse DNS
a23-210-252-189.deploy.static.akamaitechnologies.com
Software
/
Resource Hash
540548b12b5a362a5fa54de526a5870cc89ef6f431387c20cd25e82b4f6cd9d0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000 ; includeSubDomains ; preload

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

date
Tue, 17 May 2022 07:08:11 GMT
content-encoding
gzip
vary
Accept-Encoding
x-cdn
akamai
akamai-grn
0.1453655f.1652771291.23ae6b9f
x-envoy-upstream-service-time
2
x-pinterest-rid
1367515000027781
pin-unauth
dWlkPU16TXlNekJrTjJJdFpqbGlOUzAwTmpGaExUaGtOVFl0TTJRNE9EaG1ZbVUwTnpkaw
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
350
expires
Sat, 01 Jan 2000 00:00:00 GMT
/
ct.pinterest.com/v3/ Frame EFFB
35 B
334 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%2Fddm%2Ffls%2Fr%2Fdc_pre%3DCKCzh-385fcCFZaZhQodpf4JMQ%3Bsrc%3D9814127%3Btype%3Dhv3%3Bcat%3Dallpa0%3Bord%3D9481943584534%3Bgtm%3D2wg5g0%3Bauiddc%3D773403077.1652771290%3B~oref%3Dhttps%253A%252F%252Fwww.duolingo.com%252F%22%2C%22ref%22%3A%22https%3A%2F%2Fadservice.google.com%2F%22%2C%22if%22%3Atrue%2C%22sh%22%3A1200%2C%22sw%22%3A1600%2C%22mh%22%3A%2232155010%22%2C%22architecture%22%3A%22%22%2C%22bitness%22%3A%22%22%2C%22brands%22%3A%5B%5D%2C%22mobile%22%3Afalse%2C%22model%22%3A%22%22%2C%22platform%22%3A%22%22%2C%22platformVersion%22%3A%22%22%2C%22uaFullVersion%22%3A%22%22%2C%22ecm_enabled%22%3Afalse%7D&cb=1652771290886
Requested by
Host: 9814127.fls.doubleclick.net
URL: https://9814127.fls.doubleclick.net/ddm/fls/r/dc_pre=CKCzh-385fcCFZaZhQodpf4JMQ;src=9814127;type=hv3;cat=allpa0;ord=9481943584534;gtm=2wg5g0;auiddc=773403077.1652771290;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
23.210.252.189 Frankfurt am Main, Germany, ASN16625 (AKAMAI-AS, US),
Reverse DNS
a23-210-252-189.deploy.static.akamaitechnologies.com
Software
/
Resource Hash
37b17c5135a176a9474521af147d96dfa1fb4ca0f43f00d1400bd1885be3ab9b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000 ; includeSubDomains ; preload

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

pragma
no-cache
date
Tue, 17 May 2022 07:08:11 GMT
referrer-policy
origin
x-cdn
akamai
akamai-grn
0.1453655f.1652771291.23ae6ba4
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
4620589221542652
expires
Sat, 01 Jan 2000 00:00:00 GMT
/
www.facebook.com/tr/ Frame EFFB
44 B
88 B
Image
General
Full URL
https://www.facebook.com/tr/?id=1735692093320310&ev=Microdata&dl=https%3A%2F%2F9814127.fls.doubleclick.net%2Fddm%2Ffls%2Fr%2Fdc_pre%3DCKCzh-385fcCFZaZhQodpf4JMQ%3Bsrc%3D9814127%3Btype%3Dhv3%3Bcat%3Dallpa0%3Bord%3D9481943584534%3Bgtm%3D2wg5g0%3Bauiddc%3D773403077.1652771290%3B~oref%3Dhttps%253A%252F%252Fwww.duolingo.com%252F&rl=https%3A%2F%2Fadservice.google.com%2F&if=true&ts=1652771292171&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=2.9.60&r=stable&ec=1&o=30&it=1652771290629&coo=false&es=automatic&tm=3&rqm=GET
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a03:2880:f12d:181: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

accept-language
de-DE,de;q=0.9
Referer
https://9814127.fls.doubleclick.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36

Response headers

date
Tue, 17 May 2022 07:08:12 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=":443"; ma=86400, h3-29=":443"; ma=86400
priority
u=3,i
expires
Tue, 17 May 2022 07:08:12 GMT

Verdicts & Comments Add Verdict or Comment

99 JavaScript Global Variables

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

object| 0 object| 1 object| 2 object| 3 object| 4 object| oncontextlost object| oncontextrestored function| structuredClone function| getScreenDetails object| OneTrustStub function| OptanonWrapper object| duo boolean| supportsES2015 object| features boolean| isAbc undefined| el boolean| ozoki_sv object| $$$ object| webpackChunk object| dataLayer function| _fs_ready function| _rollbarURH function| ga object| gaDevIds object| gaplugins function| HowlerGlobal object| Howler function| Howl function| Sound 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 string| OnetrustActiveGroups string| OptanonActiveGroups object| otStubData object| google_tag_manager string| saved_tc string| saved_sc object| google_tag_data string| GoogleAnalyticsObject function| fbq function| _fbq object| GlobalAdalyserNamespace function| adalyserTracker function| create_UUID function| createCookie object| Optanon object| OneTrust string| ________ok object| gaGlobal object| gaData function| GooglemKTybQhCsO function| google_trackConversion object| GooglebQhCsO function| miCallback 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

25 Cookies

Domain/Path Name / Value
.duolingo.com/ Name: logged_out_uuid
Value: 5722b7e6-7cbc-4759-91f4-2a21da27b515
.duolingo.com/ Name: lang
Value: de
www.duolingo.com/ Name: wuuid
Value: aac2cac2-095f-4a9f-8a2a-95eaf32890a2
.duolingo.com/ Name: tsl
Value: 1652771289094
.duolingo.com/ Name: lu
Value: https://www.duolingo.com/
.duolingo.com/ Name: initial_referrer
Value: $direct
.duolingo.com/ Name: lr
Value:
.duolingo.com/ Name: lp
Value: splash
.duolingo.com/ Name: _gcl_au
Value: 1.1.773403077.1652771290
www.duolingo.com/ Name: AWSALB
Value: 1I18XxNccdGKSnyG/KcjoVJzUFHMwjDREHKBL0X/OTgUAnO4QYhh3+s2YWOpsm19xpCBhkylNZzVo0nXHRj24LVkRccc/YU4caTZ0sRkGhwsqAmo5w62VvmXvxyx
www.duolingo.com/ Name: AWSALBCORS
Value: 1I18XxNccdGKSnyG/KcjoVJzUFHMwjDREHKBL0X/OTgUAnO4QYhh3+s2YWOpsm19xpCBhkylNZzVo0nXHRj24LVkRccc/YU4caTZ0sRkGhwsqAmo5w62VvmXvxyx
www.duolingo.com/ Name: FPC
Value: 0f176e8d-9336-4acf-a239-b97dd30d622a
.duolingo.com/ Name: OptanonConsent
Value: isGpcEnabled=0&datestamp=Tue+May+17+2022+07%3A08%3A09+GMT%2B0000+(GMT)&version=6.16.0&isIABGlobal=false&consentId=a407b679-38be-4d5a-be57-e0f6dbfcb035&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%2CH22%3A0%2CH2%3A0%2CH7%3A0%2CH16%3A0%2CH9%3A0%2CH18%3A0%2CH10%3A0%2CH12%3A0%2CH13%3A0
.duolingo.com/ Name: _fbp
Value: fb.1.1652771289972.1104845471
.duolingo.com/ Name: _ga
Value: GA1.2.710338347.1652771290
.duolingo.com/ Name: _gid
Value: GA1.2.23503977.1652771290
.duolingo.com/ Name: _gat_UA-21595814-1
Value: 1
.duolingo.com/ Name: __adal_ses
Value: *
.duolingo.com/ Name: __adal_id
Value: b5954ff1-9ad3-41ff-a434-ac2c1cb28de0.1652771290.1.1652771290.1652771290.eecbf5fb-360e-471d-bdd8-2947bc54b6c9
.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_cw
Value: 1652771290052
.doubleclick.net/ Name: IDE
Value: AHWqTUlRK2oSNG6DZp4yofBql-Yn_i5YzVQgPR85RlPpRw6HPdHUJV2Sqw1X4UK0
.pointmediatracker.com/ Name: c
Value: f3234ad1-0ead-45bb-8574-0de47c37abaa
.bidr.io/ Name: bito
Value: AACL_E7FBpQAAF3RUbT6tg
.bidr.io/ Name: bitoIsSecure
Value: ok

3 Console Messages

Source Level URL
Text
network error URL: https://brb.duolingo.com/0/web.json?user=0&ts=1652771289&tzoffset=0
Message:
Failed to load resource: the server responded with a status of 404 ()
worker error URL: blob:https://www.duolingo.com/f8aaaca2-ea0f-478a-a653-1e3c026f9af3
Message:
Mixed Content: The page at 'blob:https://www.duolingo.com/f8aaaca2-ea0f-478a-a653-1e3c026f9af3' was loaded over HTTPS, but requested an insecure XMLHttpRequest endpoint 'chrome-extension://eppiocemhmnlbhjplcgkofciiegomcon/content/safecheck-notification/notification-iframe/index.html'. This request has been blocked; the content must be served over HTTPS.
worker error URL: blob:https://www.duolingo.com/f8aaaca2-ea0f-478a-a653-1e3c026f9af3
Message:
Mixed Content: The page at 'blob:https://www.duolingo.com/f8aaaca2-ea0f-478a-a653-1e3c026f9af3' was loaded over HTTPS, but requested an insecure XMLHttpRequest endpoint 'chrome-extension://cplklnmnlbnpmjogncfgfijoopmnlemp/skin/logo24.png'. This request has been blocked; the content must be served over HTTPS.

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
adservice.google.de
brb.duolingo.com
c0.adalyser.com
cdn.cookielaw.org
cnv.event.prod.bidr.io
connect.facebook.net
ct.pinterest.com
d35aaqx5ub95lt.cloudfront.net
excess.duolingo.com
geolocation.onetrust.com
googleads.g.doubleclick.net
insight.adsrvr.org
pixel.pointmediatracker.com
s.lmepbq.com
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
142.250.185.230
142.250.186.162
18.203.144.158
18.66.122.99
18.66.139.123
23.210.252.189
2600:9000:2490:3200:7:60cd:e840:21
2606:4700:10::6814:b944
2606:4700::6810:9540
2a00:1450:4001:800::200e
2a00:1450:4001:802::2002
2a00:1450:4001:811::2003
2a00:1450:4001:827::2002
2a00:1450:4001:829::2002
2a00:1450:4001:830::2008
2a00:1450:400c:c0b::9c
2a00:1450:4014:80f::2004
2a02:26f0:6c00:291::1931
2a03:2880:f02d:100:face:b00c:0:3
2a03:2880:f12d:181:face:b00c:0:25de
3.218.60.95
3.229.194.78
35.71.131.137
52.213.70.117
54.228.118.148
54.83.118.61
01274137499a34531a1d0288fe711cc18e07d2f44f6e28b47297550e3606991f
03aa6fcac2902227e1b66a01b87824692f708bbf9bfe441784f8ed22d677f6de
0533b1b7252e4529b6edc73bb8ed124ff6b2ed74325d16d8f8059baf69b14457
0a239bddea36bf778ca9da79508b9b722dc42248c1c79d4c612ec15b99595cd5
0baa25da53ee1f5cfc6860bff82b56478b2c2fade2d86e040c64d0b746194ba6
0d25c4f8566c3384a46ea7afb1bc6294809ab884f9bdca5bdbb780807fa01c64
0d98e830f86a78076c3e8c7fc4c55ba3af530e1f20d590412060029388ab39e2
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