www.duolingo.cn Open in urlscan Pro
139.196.36.248 Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
http://www.duolingo.cn/
Effective URL:
https://www.duolingo.cn/
Submission: On January 22 via api (January 22nd 2024, 6:10:18 am UTC) from US — Scanned from DE

Summary HTTP 106 Redirects Links 46 Behaviour Indicators

Summary

This website contacted 11 IPs in 4 countries across 9 domains to perform 106 HTTP transactions. The main IP is 139.196.36.248, located in Shanghai, China and belongs to ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN. The main domain is www.duolingo.cn.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on April 3rd 2023. Valid for: a year.

This is the only time www.duolingo.cn was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 5	139.196.36.248 139.196.36.248	37963 (ALIBABA-C...) (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.)
5	2606:4700::68... 2606:4700::6812:83ec	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2a00:1450:400... 2a00:1450:4001:812::2003	15169 (GOOGLE) (GOOGLE)
68	2600:9000:219... 2600:9000:2190:c800:7:60cd:e840:21	16509 (AMAZON-02) (AMAZON-02)
4	2a00:1450:400... 2a00:1450:4001:831::2003	15169 (GOOGLE) (GOOGLE)
1	2606:4700:440... 2606:4700:4400::6812:2089	13335 (CLOUDFLAR...) (CLOUDFLARENET)
18	34.232.214.237 34.232.214.237	14618 (AMAZON-AES) (AMAZON-AES)
1	2a00:1450:400... 2a00:1450:4001:80b::2008	15169 (GOOGLE) (GOOGLE)
2	2a00:1450:401... 2a00:1450:4013:c07::54	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:828::2003	15169 (GOOGLE) (GOOGLE)
106	11

5 139.196.36.248 (Shanghai, China) 1 redirects

ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN)

www.duolingo.cn	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

5 2606:4700::6812:83ec (United States)

ASN13335 (CLOUDFLARENET, US)

cdn.cookielaw.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:812::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.recaptcha.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

68 2600:9000:2190:c800:7:60cd:e840:21 (United States)

ASN16509 (AMAZON-02, US)

d35aaqx5ub95lt.cloudfront.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2a00:1450:4001:831::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.gstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2606:4700:4400::6812:2089 (United States)

ASN13335 (CLOUDFLARENET, US)

geolocation.onetrust.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

18 34.232.214.237 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-34-232-214-237.compute-1.amazonaws.com

excess.duolingo.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:80b::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.googletagmanager.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4013:c07::54 (Groningen, Netherlands)

ASN15169 (GOOGLE, US)

accounts.google.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:828::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fonts.gstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
68	cloudfront.net d35aaqx5ub95lt.cloudfront.net	2 MB
18	duolingo.com excess.duolingo.com — Cisco Umbrella Rank: 8246	3 KB
5	gstatic.com www.gstatic.com fonts.gstatic.com	448 KB
5	cookielaw.org cdn.cookielaw.org — Cisco Umbrella Rank: 364	117 KB
5	duolingo.cn 1 redirects www.duolingo.cn	12 KB
2	google.com accounts.google.com — Cisco Umbrella Rank: 23	80 KB
2	recaptcha.net www.recaptcha.net — Cisco Umbrella Rank: 1284	3 KB
1	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 37	99 KB
1	onetrust.com geolocation.onetrust.com — Cisco Umbrella Rank: 567	295 B
106	9

	Domain	Requested by
68	d35aaqx5ub95lt.cloudfront.net	www.duolingo.cn d35aaqx5ub95lt.cloudfront.net
18	excess.duolingo.com	d35aaqx5ub95lt.cloudfront.net
5	cdn.cookielaw.org	www.duolingo.cn cdn.cookielaw.org d35aaqx5ub95lt.cloudfront.net
5	www.duolingo.cn	1 redirects d35aaqx5ub95lt.cloudfront.net
4	www.gstatic.com	www.recaptcha.net www.gstatic.com
2	accounts.google.com	d35aaqx5ub95lt.cloudfront.net accounts.google.com
2	www.recaptcha.net	www.duolingo.cn www.gstatic.com
1	fonts.gstatic.com	www.recaptcha.net
1	www.googletagmanager.com	d35aaqx5ub95lt.cloudfront.net
1	geolocation.onetrust.com	cdn.cookielaw.org
106	10

This site contains links to these domains. Also see Links.

Domain
itunes.apple.com
zhushou.360.cn
englishtest.duolingo.com
schools.duolingo.com
blog.duolingo.com
careers.duolingo.com
research.duolingo.com
design.duolingo.com
store.duolingo.com
press.duolingo.com
investors.duolingo.com
podcast.duolingo.com
app.adjust.com
support.duolingo.com
status.duolingo.com
ar.duolingo.com
bn.duolingo.com
cs.duolingo.com
de.duolingo.com
el.duolingo.com
en.duolingo.com
es.duolingo.com
fr.duolingo.com
hi.duolingo.com
hu.duolingo.com
id.duolingo.com
it.duolingo.com
ja.duolingo.com
ko.duolingo.com
dn.duolingo.com
pl.duolingo.com
pt.duolingo.com
ro.duolingo.com
ru.duolingo.com
te.duolingo.com
th.duolingo.com
tl.duolingo.com
tr.duolingo.com
uk.duolingo.com
vi.duolingo.com
zs.duolingo.com
beian.miit.gov.cn
www.beian.gov.cn

Subject Issuer	Validity	Valid
*.duolingo.cn Go Daddy Secure Certificate Authority - G2	`2023-04-03` - `2024-05-04`	a year	crt.sh
cookielaw.org Cloudflare Inc ECC CA-3	`2023-04-01` - `2024-03-31`	a year	crt.sh
misc.google.com GTS CA 1C3	`2023-12-11` - `2024-03-04`	3 months	crt.sh
*.cloudfront.net Amazon RSA 2048 M01	`2023-10-10` - `2024-09-19`	a year	crt.sh
*.gstatic.com GTS CA 1C3	`2023-12-11` - `2024-03-04`	3 months	crt.sh
onetrust.com Cloudflare Inc ECC CA-3	`2023-11-13` - `2024-11-12`	a year	crt.sh
*.duolingo.com Go Daddy Secure Certificate Authority - G2	`2023-11-21` - `2024-12-22`	a year	crt.sh
*.google-analytics.com GTS CA 1C3	`2023-12-11` - `2024-03-04`	3 months	crt.sh
accounts.google.com GTS CA 1C3	`2023-12-11` - `2024-03-04`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://www.duolingo.cn/
Frame ID: 0A26A6F92C0906BC7D4139A1D355307A
Requests: 93 HTTP requests in this frame

Frame: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY246NDQz&hl=de&v=Ya-Cd6PbRI5ktAHEhm9JuKEu&size=invisible&cb=a1iylkc1psy
Frame ID: 51302F33C3A2A18AD52039B890F8C268
Requests: 5 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

多邻国 - 全球数亿语言学习者的口碑选择badge-app-storebadge-360-store

Page URL History Show full URLs

http://www.duolingo.cn/ HTTP 302
https://www.duolingo.cn/ Page URL

Detected technologies

Google Sign-in (Social logins) Expand

Overall confidence: 100%
Detected patterns

accounts\.google\.com/gsi/client

React (JavaScript Frameworks) Expand

Overall confidence: 100%
Detected patterns

<[^>]+data-react

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

googletagmanager\.com/gtm\.js

OneTrust (Cookie compliance) Expand

Overall confidence: 100%
Detected patterns

cdn\.cookielaw\.org
otSDKStub\.js

Page Statistics

106
Requests

100 %
HTTPS

80 %
IPv6

9
Domains

10
Subdomains

11
IPs

4
Countries

2882 kB
Transfer

12517 kB
Size

12
Cookies

46 Outgoing links

These are links going to different origins than the main page.

URL: https://itunes.apple.com/cn/app/duo-lin-guo-duolingo-mian/id570060128?mt=8&at=1010lwpr
Title: badge-app-store下载请前往App Store

Search URL Search Domain Scan URL

URL: http://zhushou.360.cn/detail/index/soft_id/361348
Title: badge-360-store下载请前往360 手机助手

Search URL Search Domain Scan URL

URL: https://englishtest.duolingo.com/zs
Title: 认证英语水平

Search URL Search Domain Scan URL

URL: https://schools.duolingo.com/
Title: 创建班级马上开始

Search URL Search Domain Scan URL

URL: https://blog.duolingo.com/duolingo-launches-math-app
Title: 用 Math 学数学

Search URL Search Domain Scan URL

URL: https://careers.duolingo.com/about
Title: 团队

Search URL Search Domain Scan URL

URL: https://research.duolingo.com/
Title: 研究

Search URL Search Domain Scan URL

URL: https://careers.duolingo.com/
Title: 招聘贤才

Search URL Search Domain Scan URL

URL: https://design.duolingo.com/
Title: 商标与设计

Search URL Search Domain Scan URL

URL: https://store.duolingo.com/
Title: 宝石小店

Search URL Search Domain Scan URL

URL: https://press.duolingo.com/
Title: 新闻

Search URL Search Domain Scan URL

URL: https://investors.duolingo.com/
Title: 投资者

Search URL Search Domain Scan URL

URL: https://podcast.duolingo.com/
Title: 播客

Search URL Search Domain Scan URL

URL: https://app.adjust.com/u0fwvk3?&redirect=http%3A%2F%2Fa.app.qq.com%2Fo%2Fsimple.jsp%3Fpkgname%3Dcom.duolingo&campaign=site_map
Title: iOS 版多邻国

Search URL Search Domain Scan URL

URL: https://support.duolingo.com/hc/zh-cn
Title: 多邻国常见问题

Search URL Search Domain Scan URL

URL: https://englishtest.duolingo.com/faq
Title: Duolingo English Test常见问题

Search URL Search Domain Scan URL

URL: https://status.duolingo.com/
Title: 状态

Search URL Search Domain Scan URL

URL: https://blog.duolingo.com/
Title: 博客

Search URL Search Domain Scan URL

URL: https://ar.duolingo.com/
Title: العربية

Search URL Search Domain Scan URL

URL: https://bn.duolingo.com/
Title: বাংলা

Search URL Search Domain Scan URL

URL: https://cs.duolingo.com/
Title: Čeština

Search URL Search Domain Scan URL

URL: https://de.duolingo.com/
Title: Deutsch

Search URL Search Domain Scan URL

URL: https://el.duolingo.com/
Title: Ελληνικά

Search URL Search Domain Scan URL

URL: https://en.duolingo.com/
Title: English

Search URL Search Domain Scan URL

URL: https://es.duolingo.com/
Title: Español

Search URL Search Domain Scan URL

URL: https://fr.duolingo.com/
Title: Français

Search URL Search Domain Scan URL

URL: https://hi.duolingo.com/
Title: हिंदी

Search URL Search Domain Scan URL

URL: https://hu.duolingo.com/
Title: Magyar

Search URL Search Domain Scan URL

URL: https://id.duolingo.com/
Title: Bahasa Indonesia

Search URL Search Domain Scan URL

URL: https://it.duolingo.com/
Title: Italiano

Search URL Search Domain Scan URL

URL: https://ja.duolingo.com/
Title: 日本語

Search URL Search Domain Scan URL

URL: https://ko.duolingo.com/
Title: 한국어

Search URL Search Domain Scan URL

URL: https://dn.duolingo.com/
Title: Nederlands

Search URL Search Domain Scan URL

URL: https://pl.duolingo.com/
Title: Polski

Search URL Search Domain Scan URL

URL: https://pt.duolingo.com/
Title: Português

Search URL Search Domain Scan URL

URL: https://ro.duolingo.com/
Title: Română

Search URL Search Domain Scan URL

URL: https://ru.duolingo.com/
Title: Русский

Search URL Search Domain Scan URL

URL: https://te.duolingo.com/
Title: తెలుగు

Search URL Search Domain Scan URL

URL: https://th.duolingo.com/
Title: ภาษาไทย

Search URL Search Domain Scan URL

URL: https://tl.duolingo.com/
Title: Tagalog

Search URL Search Domain Scan URL

URL: https://tr.duolingo.com/
Title: Türkçe

Search URL Search Domain Scan URL

URL: https://uk.duolingo.com/
Title: Українською

Search URL Search Domain Scan URL

URL: https://vi.duolingo.com/
Title: Tiếng Việt

Search URL Search Domain Scan URL

URL: https://zs.duolingo.com/
Title: 中文

Search URL Search Domain Scan URL

URL: http://beian.miit.gov.cn/
Title: 京ICP备14061397号-1

Search URL Search Domain Scan URL

URL: http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=11010102005866
Title: 京公网安备 11010102005866 号

Search URL Search Domain Scan URL

Page URL History

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

http://www.duolingo.cn/ HTTP 302
https://www.duolingo.cn/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

106 HTTP transactions
1 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request / Show response
www.duolingo.cn/
Redirect Chain

http://www.duolingo.cn/
https://www.duolingo.cn/

10 KB
5 KB

17436ms
13647ms

Document
text/html

139.196.36.248
ALIBABA-CN-NET Ha...

General

Check archive.org

Show headers Download Go to

Full URL

https://www.duolingo.cn/

Protocol

Security

TLS 1.3, , AES_256_GCM

Server

139.196.36.248 Shanghai, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),

Reverse DNS

Software

duo-api /

Resource Hash

ce2293843b5c80d90bf81b3482d5aac45a5bef1fd6b8e0d09a7767bcc12a1fa2

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/120.0.6099.224 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: Mon, 22 Jan 2024 06:10:12 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: 47
x-frame-options: SAMEORIGIN
x-runtime: 0.04327
x-tid: ffff0cbe65ae064701ce
x-ws: UK

Redirect headers

Connection: keep-alive
Content-Length: 0
Date: Mon, 22 Jan 2024 06:09:55 GMT
cache-control: no-cache
location: https://www.duolingo.cn/

GET
H2 200 otSDKStub.js Show response
cdn.cookielaw.org/scripttemplates/ 21 KB
7 KB 130ms
49ms Script
application/javascript 2606:4700::6812:83ec
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://cdn.cookielaw.org/scripttemplates/otSDKStub.js

Requested by

Host: www.duolingo.cn
URL: https://www.duolingo.cn/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6812:83ec , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

98bc0753b3f7392176a4af252bfae9bcd1f2804b73dee374119899d8f52ae3d2

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.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

x-ms-blob-type: BlockBlob
date: Mon, 22 Jan 2024 06:10:12 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: FWT01iLvZ++xUAz3aesSug==
age: 8751
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-length: 6841
x-ms-lease-status: unlocked
last-modified: Thu, 18 Jan 2024 03:30:15 GMT
server: cloudflare
etag: 0x8DC17D5C943CD25
vary: Accept-Encoding
content-type: application/javascript
access-control-allow-origin: *
x-ms-request-id: 3072541c-501e-00a4-5d84-4a3025000000
access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control: max-age=86400
x-ms-version: 2009-09-19
accept-ranges: bytes
cf-ray: 8495a1eecd5d6931-FRA

GET
H2 200 enterprise.js Show response
www.recaptcha.net/recaptcha/ 1 KB
1 KB 149ms
49ms Script
text/javascript 2a00:1450:4001:812::2003
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.recaptcha.net/recaptcha/enterprise.js?render=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI

Requested by

Host: www.duolingo.cn
URL: https://www.duolingo.cn/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:812::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

GSE /

Resource Hash

74cf62f6abf2c619983a0850865a5fd1d9d0a0f3ba4a35420fea472a6d3200e3

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self'
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Mon, 22 Jan 2024 06:10:12 GMT
content-encoding: gzip
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self'
server: GSE
x-frame-options: SAMEORIGIN
content-type: text/javascript; charset=utf-8
cache-control: private, max-age=300
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection: 1; mode=block
expires: Mon, 22 Jan 2024 06:10:12 GMT

GET
H2 200 manifest-570af1dc.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 12 KB
6 KB 47ms
46ms Script
application/javascript 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-570af1dc.js
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 4fe19b240d4f6affa91ffa3ec5fa3f6c10f779ba19d893a282fba821cf9ca8ba

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Tue, 16 Jan 2024 21:26:48 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Tue, 16 Jan 2024 20:59:45 GMT
server: AmazonS3
x-amz-cf-pop: ZRH50-C1
age: 463405
etag: "7cc66754dbbe3f89e5ee4220905863f2"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 6064
x-amz-cf-id: Ztq66d5LdpJEjBtDiO3pMY8P9dp_W5OopojA-RGUh-y0S6MxT9u3Hw==

GET
H2 200 features-fd07516c.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 3 KB
1 KB 58ms
57ms Script
application/javascript 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/features-fd07516c.js
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 0e806a09d03309a9ed289f20bf567bfbdf700beb927c10923922f6caca92c02d

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 03 Jan 2024 20:56:12 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 03 Jan 2024 20:28:39 GMT
server: AmazonS3
x-amz-cf-pop: ZRH50-C1
age: 1588441
etag: "3ca448ebc93fc34083c33bd0e47050df"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 1016
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Full URL

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accept-ranges: bytes
x-amz-cf-id: gtg4n72TVe8UpjC38y9exYAIYDV7clbyCrkGjerYAfOjRlCQZoMZQw==

GET
DATA 200
OK truncated Show response
/ 1 B
0 Script
text/javascript

General

Check archive.org

Show headers Download Go to

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b

Request headers

Referer
Origin: https://www.duolingo.cn
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/120.0.6099.224 Safari/537.36

Response headers

Content-Type: text/javascript

GET
H2 200 location Show response
geolocation.onetrust.com/cookieconsentpub/v1/geo/ 59 B
295 B 146ms
56ms XHR
application/json 2606:4700:4400::6812:2089
CLOUDFLARENET

General

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Show headers Download Go to

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

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:4400::6812:2089 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

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Resource Hash

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Security Headers

Name	Value
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Request headers

accept: application/json
Referer: https://www.duolingo.cn/
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/120.0.6099.224 Safari/537.36

Response headers

date: Mon, 22 Jan 2024 06:10:13 GMT
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-encoding: gzip
server: cloudflare
vary: Accept-Encoding
access-control-allow-methods: GET, OPTIONS
content-type: application/json
access-control-allow-origin: *
cf-ray: 8495a1f0fcacbb3b-FRA
access-control-allow-headers: Content-Type

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 365ms
118ms Preflight 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-232-214-237.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.cn
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Mon, 22 Jan 2024 06:10:13 GMT
server: Jetty(9.4.53.v20231009)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 361ms
116ms Preflight 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-232-214-237.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.cn
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Mon, 22 Jan 2024 06:10:13 GMT
server: Jetty(9.4.53.v20231009)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 361ms
117ms Preflight 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-232-214-237.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.cn
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Mon, 22 Jan 2024 06:10:13 GMT
server: Jetty(9.4.53.v20231009)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 361ms
117ms Preflight 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-232-214-237.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.cn
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Mon, 22 Jan 2024 06:10:13 GMT
server: Jetty(9.4.53.v20231009)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 361ms
118ms Preflight 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-232-214-237.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.cn
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Mon, 22 Jan 2024 06:10:13 GMT
server: Jetty(9.4.53.v20231009)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 360ms
117ms Preflight 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-232-214-237.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.cn
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Mon, 22 Jan 2024 06:10:13 GMT
server: Jetty(9.4.53.v20231009)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 474ms
231ms Preflight 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-232-214-237.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.cn
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Mon, 22 Jan 2024 06:10:13 GMT
server: Jetty(9.4.53.v20231009)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 359ms
117ms Preflight 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-232-214-237.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.cn
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Mon, 22 Jan 2024 06:10:13 GMT
server: Jetty(9.4.53.v20231009)

GET
H2 200 5137-0f1340eb.css
d35aaqx5ub95lt.cloudfront.net/css/ 2 KB
1 KB 43ms
43ms Stylesheet
text/css 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/5137-0f1340eb.css
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-570af1dc.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 8713d2793919f313d6ac17942fcaad7a5fa58ec214dd605dc96be07e91244ac9

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 09 Aug 2023 19:57:48 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 09 Aug 2023 19:50:23 GMT
server: AmazonS3
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GET
H2 200 5137-95ff22c7.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 6 KB
3 KB 44ms
44ms Script
application/javascript 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/5137-95ff22c7.js
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-570af1dc.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
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Request headers

accept-language: de-DE,de;q=0.9
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 03 Jan 2024 20:56:14 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 03 Jan 2024 20:28:38 GMT
server: AmazonS3
x-amz-cf-pop: ZRH50-C1
age: 1588440
etag: "b17853e8b2b41a0f4af58cca68007eaa"
x-amz-server-side-encryption: AES256
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GET
H2 200 9272-bf28cf7d.css
d35aaqx5ub95lt.cloudfront.net/css/ 2 KB
1 KB 44ms
43ms Stylesheet
text/css 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/9272-bf28cf7d.css
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-570af1dc.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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Software: AmazonS3 /
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Sun, 03 Sep 2023 03:51:02 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
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server: AmazonS3
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GET
H2 200 9272-d5452efd.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 8 KB
3 KB 47ms
46ms Script
application/javascript 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/9272-d5452efd.js
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-570af1dc.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 03 Jan 2024 20:56:14 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 03 Jan 2024 20:28:39 GMT
server: AmazonS3
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age: 1588440
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GET
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1 KB 45ms
45ms Stylesheet
text/css 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/8159-0f1340eb.css
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-570af1dc.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Fri, 03 Nov 2023 04:06:39 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
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GET
H2 200 8159-c617da63.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 6 KB
3 KB 47ms
46ms Script
application/javascript 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/8159-c617da63.js
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-570af1dc.js
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 03 Jan 2024 20:56:14 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/2434-4b487678.js

Protocol

Security

TLS 1.3, , AES_256_GCM

Server

139.196.36.248 Shanghai, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),

Reverse DNS

Software

duo-api /

Resource Hash

44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

Accept: application/json; charset=UTF-8
Referer: https://www.duolingo.cn/
X-Requested-With: XMLHttpRequest
accept-language: de-DE,de;q=0.9
X-Amzn-Trace-Id: User=0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36
Content-Type: application/json; charset=UTF-8

Response headers

date: Mon, 22 Jan 2024 06:10:13 GMT
x-ws: UK
x-tid: ffff0a2965ae02ec0221
surrogate-control: no-store
x-duo-request-host: www.duolingo.com
x-envoy-upstream-service-time: 23
content-length: 2
pragma: no-cache
x-runtime: 0.02036
server: duo-api
no-retry: 1
access-control-max-age: 1728000
access-control-allow-methods: GET, POST, OPTIONS, PATCH, PUT, DELETE
content-type: application/json; charset=UTF-8
access-control-allow-origin: https://www.duolingo.cn
access-control-expose-headers: Cache-Control, Content-Length, Content-Type, Expires, No-Retry, Pragma, Surrogate-Control
cache-control: no-store, no-cache, must-revalidate, proxy-revalidate
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expires: 0

GET
H2 200 config Show response
www.duolingo.cn/2017-06-30/ 3 KB
1 KB 712ms
707ms Fetch
application/json 139.196.36.248
ALIBABA-CN-NET Ha...

General

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Full URL

https://www.duolingo.cn/2017-06-30/config?fields=ageRestrictionLimit,clientExperiments%7Bsfeat_web_clientside_experiment_test_fam,sfeat_web_clientside_experiment_test_fam_v2%7D,featureFlags,ipCountry,speechHost&_=1705903813320

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/2434-4b487678.js

Protocol

Security

TLS 1.3, , AES_256_GCM

Server

139.196.36.248 Shanghai, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),

Reverse DNS

Software

duo-api /

Resource Hash

b970f1cc92258304ef6ece794ef599ff6a447803f4ff801031c29c06874b3c80

Security Headers

Name	Value
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Request headers

Accept: application/json; charset=UTF-8
Referer: https://www.duolingo.cn/
X-Requested-With: XMLHttpRequest
accept-language: de-DE,de;q=0.9
X-Amzn-Trace-Id: User=0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 22 Jan 2024 06:10:13 GMT
content-encoding: gzip
x-content-type-options: nosniff
referrer-policy: no-referrer
server: duo-api
vary: Origin,Access-Control-Request-Method,Access-Control-Request-Headers
x-frame-options: DENY
content-type: application/json
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cache-control: no-cache, no-store, max-age=0, must-revalidate
x-envoy-upstream-service-time: 7
content-length: 968
x-xss-protection: 1 ; mode=block
expires: 0

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
311 B 136ms
135ms XHR
text/plain 34.232.214.237
AMAZON-AES

General

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Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/2434-4b487678.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software: Jetty(9.4.53.v20231009) /
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Request headers

Referer: https://www.duolingo.cn/
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/120.0.6099.224 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 22 Jan 2024 06:10:13 GMT
accept-encoding: gzip, identity
server: Jetty(9.4.53.v20231009)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain;charset=iso-8859-1
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39 KB 46ms
44ms Image
image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/vendor/87938207afff1598611ba626a8c4827c.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Sun, 05 Nov 2023 03:27:02 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Sat, 04 Nov 2023 17:35:52 GMT
server: AmazonS3
x-amz-cf-pop: ZRH50-C1
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x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
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GET
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3 KB 50ms
48ms Image
image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/f92d5f2f7d56636846861c458c0d0b6c.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Tue, 31 Oct 2023 16:04:05 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Tue, 31 Oct 2023 14:05:20 GMT
server: AmazonS3
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x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
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90 KB 70ms
68ms Image
image/png 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

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Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/china/af0b5b34d654273593e11499dc7bc3fa.png
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 20 Sep 2023 23:55:34 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 20 Sep 2023 21:57:44 GMT
server: AmazonS3
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GET
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4 KB 70ms
68ms Image
image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/china/apkDownload/5ef61d69c243695da18ce19c73f94070.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 15 Nov 2023 07:24:23 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 15 Nov 2023 00:17:56 GMT
server: AmazonS3
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x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
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GET
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40 KB 61ms
60ms Image
image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/23ab11cb1e1a9aff54facdf57833373d.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Software: AmazonS3 /
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 11 Oct 2023 20:18:04 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 11 Oct 2023 19:37:56 GMT
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40 KB 59ms
57ms Image
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AMAZON-02

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Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/08ec8d0260c55c054e1b97bcbc96ea0f.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Software: AmazonS3 /
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 11 Oct 2023 20:18:04 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 11 Oct 2023 19:37:56 GMT
server: AmazonS3
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122 KB 63ms
61ms Image
image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/833a22b2834050d139f266a29899bb00.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Request headers

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Response headers

date: Wed, 11 Oct 2023 20:18:04 GMT
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35 KB 60ms
58ms Image
image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/9d3c2c99dd19996319a372f79b2ed3c1.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Software: AmazonS3 /
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Request headers

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Response headers

date: Wed, 11 Oct 2023 20:18:04 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 11 Oct 2023 19:37:56 GMT
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image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/229d5f88cc9df2eb0b68f39466500911.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Software: AmazonS3 /
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Request headers

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Response headers

date: Wed, 11 Oct 2023 20:18:04 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 11 Oct 2023 19:37:56 GMT
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8 KB 51ms
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image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/22fce01f6df43e0472d7585afad9a43a.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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Reverse DNS
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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 11 Oct 2023 20:18:04 GMT
content-encoding: gzip
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server: AmazonS3
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age: 8848330
etag: "acb36aa3e49a21f50c4ff5a47fc46a4e"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
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50ms Image
image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/3a733db6d6873e1a915f70cf72554ce3.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Sun, 26 Nov 2023 16:02:00 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 22 Nov 2023 20:22:51 GMT
server: AmazonS3
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age: 4889294
etag: "59646d933829b76e9f05491dd82e9168"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
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14 KB 53ms
52ms Image
image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/41a326f8a1a43ee68ef5ea35988fd87b.svg
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URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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Request headers

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Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 11 Oct 2023 20:18:04 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 11 Oct 2023 19:37:56 GMT
server: AmazonS3
x-amz-cf-pop: ZRH50-C1
age: 8848330
etag: "c16f00178cf8aabb82afb9efbda67104"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
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17 KB 52ms
51ms Image
image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/9f63957bf97d10730813cbb715a0baa0.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Request headers

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Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 11 Oct 2023 20:18:04 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 11 Oct 2023 19:37:56 GMT
server: AmazonS3
x-amz-cf-pop: ZRH50-C1
age: 8848330
etag: "716ce07c484dc73bb7abe5b7ab6a7ae8"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
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30 KB 57ms
56ms Image
image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/268877aef1bcca8a53f24b746483346c.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 11 Oct 2023 20:18:04 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 11 Oct 2023 19:37:56 GMT
server: AmazonS3
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age: 8848330
etag: "64d1d8cdd55e21940f1ae1f5412069d1"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
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20 KB 56ms
55ms Image
image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/1dacb3e2a288440001755c6a30e5ec60.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Request headers

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Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 11 Oct 2023 20:18:04 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 11 Oct 2023 19:37:56 GMT
server: AmazonS3
x-amz-cf-pop: ZRH50-C1
age: 8848330
etag: "6911312a736195f5bd9083a7d9993cad"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
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GET
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17 KB 55ms
54ms Image
image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/890eb76de9a395b182c1c28322721405.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Request headers

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Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 11 Oct 2023 20:18:04 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Wed, 11 Oct 2023 19:37:56 GMT
server: AmazonS3
x-amz-cf-pop: ZRH50-C1
age: 8848330
etag: "5695a666ebdb86ba80514d6434b534cf"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
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GET
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4 KB 68ms
67ms Image
image/png 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/china/8ac5f69a53362c09584230c85b567ef7.png
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Sat, 16 Sep 2023 05:53:49 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Fri, 15 Sep 2023 22:37:13 GMT
server: AmazonS3
x-amz-cf-pop: ZRH50-C1
age: 11060185
etag: "35773fa837a61f4002451b1447cf5e55"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
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2 KB 54ms
53ms Image
image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/617c9bcf01673a55c983c7d0a14a6bd4.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Fri, 29 Dec 2023 20:08:23 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Thu, 28 Dec 2023 21:50:10 GMT
server: AmazonS3
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age: 2023310
etag: "7addced2340a58e0faea6a1f68711e09"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
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POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
311 B 134ms
133ms XHR
text/plain 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/2434-4b487678.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.cn/
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/120.0.6099.224 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 22 Jan 2024 06:10:13 GMT
accept-encoding: gzip, identity
server: Jetty(9.4.53.v20231009)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
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POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
311 B 138ms
137ms XHR
text/plain 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/2434-4b487678.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.cn/
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/120.0.6099.224 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 22 Jan 2024 06:10:13 GMT
accept-encoding: gzip, identity
server: Jetty(9.4.53.v20231009)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
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access-control-allow-origin: *
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content-length: 34

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
311 B 128ms
127ms XHR
text/plain 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/2434-4b487678.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.cn/
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/120.0.6099.224 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 22 Jan 2024 06:10:13 GMT
accept-encoding: gzip, identity
server: Jetty(9.4.53.v20231009)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain;charset=iso-8859-1
access-control-allow-origin: *
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 34

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
311 B 137ms
136ms XHR
text/plain 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/2434-4b487678.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.cn/
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/120.0.6099.224 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 22 Jan 2024 06:10:13 GMT
accept-encoding: gzip, identity
server: Jetty(9.4.53.v20231009)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain;charset=iso-8859-1
access-control-allow-origin: *
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 34

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
311 B 135ms
134ms XHR
text/plain 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/2434-4b487678.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-232-214-237.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.cn/
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/120.0.6099.224 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 22 Jan 2024 06:10:13 GMT
accept-encoding: gzip, identity
server: Jetty(9.4.53.v20231009)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain;charset=iso-8859-1
access-control-allow-origin: *
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 34

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
311 B 131ms
124ms XHR
text/plain 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/2434-4b487678.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-232-214-237.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.cn/
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/120.0.6099.224 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 22 Jan 2024 06:10:13 GMT
accept-encoding: gzip, identity
server: Jetty(9.4.53.v20231009)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain;charset=iso-8859-1
access-control-allow-origin: *
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 34

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
311 B 134ms
133ms XHR
text/plain 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/2434-4b487678.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-232-214-237.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.cn/
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/120.0.6099.224 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 22 Jan 2024 06:10:13 GMT
accept-encoding: gzip, identity
server: Jetty(9.4.53.v20231009)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain;charset=iso-8859-1
access-control-allow-origin: *
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 34

GET
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d35aaqx5ub95lt.cloudfront.net/images/splash/ 345 B
627 B 49ms
49ms Image
image/svg+xml 2600:9000:2190:c800:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/c6eae48dd48246c89e415b89f9e55282.svg
Requested by: Host: www.duolingo.cn
URL: https://www.duolingo.cn/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2190:c800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 9e4c89fc912d4b2e8ca8b69184c4720209cea9e7a49d587254b9275272e9ead3

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Mon, 02 Oct 2023 05:02:52 GMT
content-encoding: gzip
via: 1.1 7245e91891539560c1f484b1e46159c8.cloudfront.net (CloudFront)
last-modified: Fri, 29 Sep 2023 21:02:47 GMT
server: AmazonS3
x-amz-cf-pop: ZRH50-C1
age: 9680842
etag: "46650a8f1735be1432fbd4689b40ba41"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 236
x-amz-cf-id: uyHDPJiplGbbly1_I7h5hFleFAM3eRGjJyAHFTFXo_U5li6-Ggmp6g==

GET
H2 200 otBannerSdk.js Show response
cdn.cookielaw.org/scripttemplates/6.16.0/ 374 KB
83 KB 50ms
50ms Script
application/javascript 2606:4700::6812:83ec
CLOUDFLARENET

General

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Full URL

https://cdn.cookielaw.org/scripttemplates/6.16.0/otBannerSdk.js

Requested by

Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/otSDKStub.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6812:83ec , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

x-ms-blob-type: BlockBlob
date: Mon, 22 Jan 2024 06:10:13 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: dGCXlveaBvO7BI0nfZKP+g==
age: 69208
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-length: 85065
x-ms-lease-status: unlocked
last-modified: Thu, 06 May 2021 19:31:04 GMT
server: cloudflare
etag: 0x8D910C57D52F14C
vary: Accept-Encoding
content-type: application/javascript
access-control-allow-origin: *
x-ms-request-id: 710ae3a0-c01e-001f-75b5-0c8a87000000
access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control: max-age=86400
x-ms-version: 2009-09-19
accept-ranges: bytes
cf-ray: 8495a1f1efc16931-FRA

GET
H2 200 anchor Show response
www.recaptcha.net/recaptcha/enterprise/ Frame 5130 7 KB
1 KB 49ms
49ms Document
text/html 2a00:1450:4001:812::2003
GOOGLE

General

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Show headers Download Go to

Full URL

https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY246NDQz&hl=de&v=Ya-Cd6PbRI5ktAHEhm9JuKEu&size=invisible&cb=a1iylkc1psy

Requested by

Host: www.gstatic.com
URL: https://www.gstatic.com/recaptcha/releases/Ya-Cd6PbRI5ktAHEhm9JuKEu/recaptcha__de.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:812::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

GSE /

Resource Hash

2fefff0d96671ec2f159c8071f098d5c3d671911f6a3da21770ee52cb397fcea

Security Headers

Name	Value
Content-Security-Policy	script-src 'report-sample' 'nonce-m7oKLcF7RY_Xz1CVdD6C9Q' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/recaptcha/1
X-Content-Type-Options	nosniff
X-Xss-Protection	1; mode=block

Request headers

Referer: https://www.duolingo.cn/
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control: private, max-age=0
content-encoding: gzip
content-security-policy: script-src 'report-sample' 'nonce-m7oKLcF7RY_Xz1CVdD6C9Q' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/recaptcha/1
content-type: text/html; charset=utf-8
cross-origin-embedder-policy: require-corp
cross-origin-resource-policy: cross-origin
date: Mon, 22 Jan 2024 06:10:13 GMT
expires: Mon, 22 Jan 2024 06:10:13 GMT
report-to: {"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
server: GSE
x-content-type-options: nosniff
x-xss-protection: 1; mode=block

GET
H3 200 styles__ltr.css
www.gstatic.com/recaptcha/releases/Ya-Cd6PbRI5ktAHEhm9JuKEu/ Frame 5130 55 KB
24 KB 121ms
40ms Stylesheet
text/css 2a00:1450:4001:831::2003
GOOGLE

General

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Show headers Download Go to

Full URL

https://www.gstatic.com/recaptcha/releases/Ya-Cd6PbRI5ktAHEhm9JuKEu/styles__ltr.css

Requested by

Host: www.recaptcha.net
URL: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly93d3cuZHVvbGluZ28uY246NDQz&hl=de&v=Ya-Cd6PbRI5ktAHEhm9JuKEu&size=invisible&cb=a1iylkc1psy

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

7859a62e04b0acb06516eb12454de6673883ecfaeaed6c254659bca7cd59c050

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.recaptcha.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Sun, 21 Jan 2024 08:49:56 GMT
content-encoding: gzip
x-content-type-options: nosniff
age: 76817
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 24606
x-xss-protection: 0
last-modified: Mon, 08 Jan 2024 05:00:33 GMT
server: sffe
cross-origin-opener-policy: same-origin-allow-popups; report-to="recaptcha"
vary: Accept-Encoding
report-to: {"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
content-type: text/css
cache-control: public, max-age=31536000
accept-ranges: bytes
expires: Mon, 20 Jan 2025 08:49:56 GMT

GET
H3 200 recaptcha__de.js Show response
www.gstatic.com/recaptcha/releases/Ya-Cd6PbRI5ktAHEhm9JuKEu/ Frame 5130 506 KB
203 KB 143ms
62ms Script
text/javascript 2a00:1450:4001:831::2003
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.gstatic.com/recaptcha/releases/Ya-Cd6PbRI5ktAHEhm9JuKEu/recaptcha__de.js

Requested by

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

91088a015cd36dabb6639d0b6d08fadc57be7f1b85011f5f882d4e7a8611df31

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.recaptcha.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Sun, 21 Jan 2024 01:17:42 GMT
content-encoding: gzip
x-content-type-options: nosniff
age: 103951
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 207845
x-xss-protection: 0
last-modified: Mon, 08 Jan 2024 05:00:33 GMT
server: sffe
cross-origin-opener-policy: same-origin-allow-popups; report-to="recaptcha"
vary: Accept-Encoding
report-to: {"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
content-type: text/javascript
access-control-allow-origin: *
cache-control: public, max-age=31536000
accept-ranges: bytes
expires: Mon, 20 Jan 2025 01:17:42 GMT

GET
H2 200 zh-cn.json Show response
cdn.cookielaw.org/consent/55a7f100-001e-4085-87ec-1a6d522f7d67/e43d2735-b44f-43da-ae8a-a4f881b04152/ 80 KB
21 KB 85ms
83ms Fetch
application/x-javascript 2606:4700::6812:83ec
CLOUDFLARENET

General

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Show headers Download Go to

Full URL

https://cdn.cookielaw.org/consent/55a7f100-001e-4085-87ec-1a6d522f7d67/e43d2735-b44f-43da-ae8a-a4f881b04152/zh-cn.json

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/2434-4b487678.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6812:83ec , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

b4e89ba25391e830b7f90747e7558c8faee90a2b20ee259d9dcbba44ad0e605a

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.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

x-ms-blob-type: BlockBlob
date: Mon, 22 Jan 2024 06:10:13 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-md5: ILuTd0qafxrMlxJWTB4lbQ==
content-length: 20931
x-ms-lease-status: unlocked
last-modified: Fri, 19 Jan 2024 17:26:55 GMT
server: cloudflare
etag: 0x8DC1913D5799EF1
vary: Accept-Encoding
content-type: application/x-javascript
access-control-allow-origin: *
x-ms-request-id: b3aab5a7-401e-0001-4dfc-4a665f000000
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=86400
x-ms-version: 2009-09-19
accept-ranges: bytes
cf-ray: 8495a1f52ca56915-FRA
expires: Tue, 23 Jan 2024 06:10:13 GMT

GET
H3 200 logo_48.png
www.gstatic.com/recaptcha/api2/ Frame 5130 2 KB
2 KB 45ms
39ms Image
image/png 2a00:1450:4001:831::2003
GOOGLE

General

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Show headers Download Go to Show image

Full URL

https://www.gstatic.com/recaptcha/api2/logo_48.png

Requested by

Host: www.gstatic.com
URL: https://www.gstatic.com/recaptcha/releases/Ya-Cd6PbRI5ktAHEhm9JuKEu/styles__ltr.css

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

1b9efb22c938500971aac2b2130a475fa23684dd69e43103894968df83145b8a

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.gstatic.com/recaptcha/releases/Ya-Cd6PbRI5ktAHEhm9JuKEu/styles__ltr.css
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Mon, 15 Jan 2024 19:56:54 GMT
x-content-type-options: nosniff
age: 555200
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 2228
x-xss-protection: 0
last-modified: Tue, 03 Mar 2020 20:15:00 GMT
server: sffe
cross-origin-opener-policy: same-origin-allow-popups; report-to="recaptcha"
report-to: {"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
content-type: image/png
cache-control: public, max-age=604800
accept-ranges: bytes
expires: Mon, 22 Jan 2024 19:56:54 GMT

GET
H2 200 KFOmCnqEu92Fr1Mu4mxK.woff2
fonts.gstatic.com/s/roboto/v18/ Frame 5130 15 KB
16 KB 131ms
39ms Font
font/woff2 2a00:1450:4001:828::2003
GOOGLE

General

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Full URL

https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxK.woff2

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:828::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

3e253b66056519aa065b00a453bac37ac5ed8f3e6fe7b542e93a9dcdcc11d0bc

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

Referer: https://www.recaptcha.net/
Origin: https://www.recaptcha.net
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/120.0.6099.224 Safari/537.36

Response headers

date: Mon, 22 Jan 2024 05:31:50 GMT
x-content-type-options: nosniff
age: 2304
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 15344
x-xss-protection: 0
last-modified: Mon, 16 Oct 2017 17:32:55 GMT
server: sffe
cross-origin-opener-policy: same-origin; report-to="apps-themes"
report-to: {"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type: font/woff2
access-control-allow-origin: *
cache-control: public, max-age=31536000
accept-ranges: bytes
timing-allow-origin: *
expires: Tue, 21 Jan 2025 05:31:50 GMT

GET
H2 200 otFlat.json Show response
cdn.cookielaw.org/scripttemplates/6.16.0/assets/ 12 KB
3 KB 54ms
54ms Fetch
application/json 2606:4700::6812:83ec
CLOUDFLARENET

General

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Show headers Download Go to

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/2434-4b487678.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6812:83ec , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

x-ms-blob-type: BlockBlob
date: Mon, 22 Jan 2024 06:10:14 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: DKM3/i+7h7Fs8cEMor3s2A==
age: 48661
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-length: 2938
x-ms-lease-status: unlocked
last-modified: Thu, 06 May 2021 19:30:47 GMT
server: cloudflare
etag: 0x8D910C572DA86E8
vary: Accept-Encoding
content-type: application/json
access-control-allow-origin: *
x-ms-request-id: 3a43db5d-001e-0010-0413-15fceb000000
access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control: max-age=86400
x-ms-version: 2009-09-19
accept-ranges: bytes
cf-ray: 8495a1f62d506915-FRA

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
311 B 133ms
133ms XHR
text/plain 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/2434-4b487678.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-232-214-237.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.cn/
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/120.0.6099.224 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 22 Jan 2024 06:10:14 GMT
accept-encoding: gzip, identity
server: Jetty(9.4.53.v20231009)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain;charset=iso-8859-1
access-control-allow-origin: *
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 34

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 117ms
116ms Preflight 34.232.214.237
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.232.214.237 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-232-214-237.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.cn
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Mon, 22 Jan 2024 06:10:14 GMT
server: Jetty(9.4.53.v20231009)

GET
H2 200 style
accounts.google.com/gsi/ 533 B
608 B 56ms
55ms Stylesheet
text/css 2a00:1450:4013:c07::54
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://accounts.google.com/gsi/style

Requested by

Host: accounts.google.com
URL: https://accounts.google.com/gsi/client

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4013:c07::54 Groningen, Netherlands, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

1c4e7e389d73c6acf7f19cc812514e71230740791fde8a018c1d7edccf1590ae

Security Headers

Name	Value
Content-Security-Policy	require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, script-src 'report-sample' 'nonce-nNqgbnSeSda_Uv9qs_hRkw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.cn/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36

Response headers

date: Mon, 22 Jan 2024 06:10:14 GMT
content-security-policy: require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, script-src 'report-sample' 'nonce-nNqgbnSeSda_Uv9qs_hRkw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
content-encoding: gzip
x-content-type-options: nosniff
server: ESF
x-frame-options: SAMEORIGIN
report-to: {"group":"coop_dd7de8473bddc59c6b748810a67a39b1","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/dd7de8473bddc59c6b748810a67a39b1"}]}
content-type: text/css; charset=utf-8
cache-control: private, max-age=86400
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection: 0
cross-origin-opener-policy-report-only: same-origin; report-to="coop_dd7de8473bddc59c6b748810a67a39b1"
expires: Mon, 22 Jan 2024 06:10:14 GMT

Verdicts & Comments Add Verdict or Comment

48 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.

12 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
www.duolingo.cn/	1970-01-21 02:37:19	Name: logged_out_uuid Value: 4dcdb762-4779-485b-8682-56caf906e12e
www.duolingo.cn/	1970-01-21 02:37:19	Name: lang Value: zs
www.duolingo.cn/	1970-01-20 20:01:19	Name: duocsexp1 Value: gweb_redesign_course_picker~experiment~
www.duolingo.cn/	1969-12-31 23:59:59	Name: wuuid Value: 5e3e02a4-098d-46c9-a442-14d56218af8f
.duolingo.cn/	1970-01-21 02:37:19	Name: tsl Value: 1705903813240
.duolingo.cn/	1970-01-21 02:37:19	Name: lu Value: https://www.duolingo.cn/
.duolingo.cn/	1970-01-21 02:37:19	Name: initial_referrer Value: $direct
.duolingo.cn/	1970-01-21 02:37:19	Name: lr Value:
.duolingo.cn/	1970-01-21 02:37:19	Name: logged_out_uuid Value: 4dcdb762-4779-485b-8682-56caf906e12e
.duolingo.cn/	1970-01-21 02:37:19	Name: lp Value: splash
www.duolingo.cn/	1970-01-20 18:01:48	Name: AWSALB Value: e0vz/2H6Nq55f7KJKzBRL30UXrKaZDJ1tLvTKAuChJyTl/JaphHvotjYj9IZEb+HeEujbk+JmX3V9FwMsNFE1M4uAEgBKw8euGfSSNv0hbbl41s9zDLHl46idfcB
www.duolingo.cn/	1970-01-20 18:01:48	Name: AWSALBCORS Value: e0vz/2H6Nq55f7KJKzBRL30UXrKaZDJ1tLvTKAuChJyTl/JaphHvotjYj9IZEb+HeEujbk+JmX3V9FwMsNFE1M4uAEgBKw8euGfSSNv0hbbl41s9zDLHl46idfcB

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header	Value
X-Frame-Options	SAMEORIGIN

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

accounts.google.com
cdn.cookielaw.org
d35aaqx5ub95lt.cloudfront.net
excess.duolingo.com
fonts.gstatic.com
geolocation.onetrust.com
www.duolingo.cn
www.googletagmanager.com
www.gstatic.com
www.recaptcha.net
139.196.36.248
2600:9000:2190:c800:7:60cd:e840:21
2606:4700:4400::6812:2089
2606:4700::6812:83ec
2a00:1450:4001:80b::2008
2a00:1450:4001:812::2003
2a00:1450:4001:828::2003
2a00:1450:4001:831::2003
2a00:1450:4013:c07::54
34.232.214.237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www.duolingo.cn Open in urlscan Pro 139.196.36.248 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

106 Requests

100 %HTTPS

80 %IPv6

9 Domains

10 Subdomains

11 IPs

4 Countries

2882 kBTransfer

12517 kBSize

12 Cookies

46 Outgoing links

Page URL History

Redirected requests

106 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 1 data transactions

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

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Request headers

Response headers

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Response headers

Request headers

Response headers

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Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

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Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

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Request headers

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Response headers

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Request headers

Response headers

Request headers

Response headers

www.duolingo.cn Open in urlscan Pro
139.196.36.248 Public Scan

Screenshot
Live screenshot

Full Image

106
Requests

100 %
HTTPS

80 %
IPv6

9
Domains

10
Subdomains

11
IPs

4
Countries

2882 kB
Transfer

12517 kB
Size

12
Cookies

106 HTTP transactions
1 data transactions