preview.duolingo.com Open in urlscan Pro
54.210.182.54 Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
http://preview.duolingo.com/
Effective URL:
https://preview.duolingo.com/
Submission: On May 27 via api (May 27th 2024, 8:22:49 pm UTC) from US — Scanned from DE

Summary HTTP 96 Redirects Links 48 Behaviour Indicators

Summary

This website contacted 12 IPs in 3 countries across 8 domains to perform 96 HTTP transactions. The main IP is 54.210.182.54, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is preview.duolingo.com.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on November 21st 2023. Valid for: a year.

This is the only time preview.duolingo.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
4	54.210.182.54 54.210.182.54	14618 (AMAZON-AES) (AMAZON-AES)
6	2606:4700::68... 2606:4700::6813:b234	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2a00:1450:400... 2a00:1450:4001:80e::2003	15169 (GOOGLE) (GOOGLE)
62	2600:9000:237... 2600:9000:237d:5c00:7:60cd:e840:21	16509 (AMAZON-02) (AMAZON-02)
1	2a00:1450:400... 2a00:1450:4001:806::2003	15169 (GOOGLE) (GOOGLE)
1	2606:4700:440... 2606:4700:4400::6812:2089	13335 (CLOUDFLAR...) (CLOUDFLARENET)
15	18.204.252.30 18.204.252.30	14618 (AMAZON-AES) (AMAZON-AES)
1	2a00:1450:400... 2a00:1450:4001:82b::2008	15169 (GOOGLE) (GOOGLE)
2	2a00:1450:400... 2a00:1450:400c:c09::54	15169 (GOOGLE) (GOOGLE)
1	54.230.228.7 54.230.228.7	16509 (AMAZON-02) (AMAZON-02)
1	108.138.36.93 108.138.36.93	16509 (AMAZON-02) (AMAZON-02)
96	12

4 54.210.182.54 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-54-210-182-54.compute-1.amazonaws.com

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

6 2606:4700::6813:b234 (United States)

ASN13335 (CLOUDFLARENET, US)

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

2 2a00:1450:4001:80e::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

62 2600:9000:237d:5c00:7:60cd:e840:21 (United States)

ASN16509 (AMAZON-02, US)

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

1 2a00:1450:4001:806::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

15 18.204.252.30 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-18-204-252-30.compute-1.amazonaws.com

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

1 2a00:1450:4001:82b::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

2 2a00:1450:400c:c09::54 (Brussels, Belgium)

ASN15169 (GOOGLE, US)

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

1 54.230.228.7 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-54-230-228-7.muc50.r.cloudfront.net

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

1 108.138.36.93 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-108-138-36-93.muc50.r.cloudfront.net

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

	Apex Domain Subdomains	Transfer
62	cloudfront.net d35aaqx5ub95lt.cloudfront.net	2 MB
21	duolingo.com preview.duolingo.com excess.duolingo.com — Cisco Umbrella Rank: 7173 brb.duolingo.com — Cisco Umbrella Rank: 8503 zombie.duolingo.com — Cisco Umbrella Rank: 7815	15 KB
6	cookielaw.org cdn.cookielaw.org — Cisco Umbrella Rank: 312	148 KB
2	google.com accounts.google.com — Cisco Umbrella Rank: 20	83 KB
2	recaptcha.net www.recaptcha.net — Cisco Umbrella Rank: 1305	1 KB
1	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 39	108 KB
1	onetrust.com geolocation.onetrust.com — Cisco Umbrella Rank: 533	295 B
1	gstatic.com www.gstatic.com	209 KB
96	8

	Domain	Requested by
62	d35aaqx5ub95lt.cloudfront.net	preview.duolingo.com d35aaqx5ub95lt.cloudfront.net
15	excess.duolingo.com	d35aaqx5ub95lt.cloudfront.net
6	cdn.cookielaw.org	preview.duolingo.com cdn.cookielaw.org
4	preview.duolingo.com	d35aaqx5ub95lt.cloudfront.net
2	accounts.google.com	d35aaqx5ub95lt.cloudfront.net accounts.google.com
2	www.recaptcha.net	preview.duolingo.com www.gstatic.com
1	zombie.duolingo.com	d35aaqx5ub95lt.cloudfront.net
1	brb.duolingo.com	d35aaqx5ub95lt.cloudfront.net
1	www.googletagmanager.com	d35aaqx5ub95lt.cloudfront.net
1	geolocation.onetrust.com	cdn.cookielaw.org
1	www.gstatic.com	www.recaptcha.net
96	11

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

Domain
itunes.apple.com
play.google.com
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
duolingoschools.zendesk.com
status.duolingo.com
www.instagram.com
www.facebook.com
twitter.com
www.youtube.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

Subject Issuer	Validity	Valid
*.duolingo.com Go Daddy Secure Certificate Authority - G2	`2023-11-21` - `2024-12-22`	a year	crt.sh
cookielaw.org Cloudflare Inc ECC CA-3	`2024-03-01` - `2024-12-31`	10 months	crt.sh
misc.google.com WR2	`2024-05-06` - `2024-07-29`	3 months	crt.sh
*.cloudfront.net Amazon RSA 2048 M01	`2023-10-10` - `2024-09-19`	a year	crt.sh
*.gstatic.com WR2	`2024-05-06` - `2024-07-29`	3 months	crt.sh
onetrust.com Cloudflare Inc ECC CA-3	`2023-11-13` - `2024-11-12`	a year	crt.sh
*.google-analytics.com WR2	`2024-05-06` - `2024-07-29`	3 months	crt.sh
accounts.google.com GTS CA 1C3	`2024-05-06` - `2024-07-29`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://preview.duolingo.com/
Frame ID: 37DB01E27AE441B73F353F823E6CEF89
Requests: 89 HTTP requests in this frame

Frame: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly9wcmV2aWV3LmR1b2xpbmdvLmNvbTo0NDM.&hl=de&v=joHA60MeME-PNviL59xVH9zs&size=invisible&cb=jvmsk9rbeo
Frame ID: 022BD824326724282CD105F73FE0F1FB
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Duolingo - Die weltbeste Methode, eine Sprache zu lernen

Page URL History Show full URLs

http://preview.duolingo.com/ HTTP 307
https://preview.duolingo.com/ 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

96
Requests

100 %
HTTPS

64 %
IPv6

8
Domains

11
Subdomains

12
IPs

3
Countries

2582 kB
Transfer

12017 kB
Size

12
Cookies

48 Outgoing links

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

URL: https://itunes.apple.com/de/app/duolingo-learn-spanish-french/id570060128?mt=8&at=1010lwpr
Title: badge-app-storeZum Download im App Store

Search URL Search Domain Scan URL

URL: https://play.google.com/store/apps/details?hl=de&id=com.duolingo&referrer=utm_source%3Dduolingo.com%26utm_medium%3Dduolingo_web%26utm_content%3Ddownload_button%26utm_campaign%3Dsplash
Title: badge-app-storeHol dir die App aufGoogle Play

Search URL Search Domain Scan URL

URL: https://englishtest.duolingo.com/de
Title: Englischkenntnisse zertifizieren

Search URL Search Domain Scan URL

URL: https://schools.duolingo.com/
Title: Bring deine Klasse auf den Weg

Search URL Search Domain Scan URL

URL: https://blog.duolingo.com/duolingo-launches-math-app
Title: Besser werden in Mathe

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://careers.duolingo.com/
Title: Karriere

Search URL Search Domain Scan URL

URL: https://design.duolingo.com/
Title: Markenrichtlinien

Search URL Search Domain Scan URL

URL: https://store.duolingo.com/
Title: Shop

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://investors.duolingo.com/
Title: Investoren

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://duolingoschools.zendesk.com/hc/en-us
Title: FAQ für Schulen

Search URL Search Domain Scan URL

URL: https://englishtest.duolingo.com/faq
Title: Duolingo English Test FAQs

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://blog.duolingo.com/de
Title: Blog

Search URL Search Domain Scan URL

URL: https://www.instagram.com/duolingodeutschland/
Title: Instagram

Search URL Search Domain Scan URL

URL: https://www.facebook.com/DuolingoDeutschland
Title: Facebook

Search URL Search Domain Scan URL

URL: https://twitter.com/duolingo
Title: Twitter

Search URL Search Domain Scan URL

URL: https://www.youtube.com/user/duolingo
Title: YouTube

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

Page URL History

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

http://preview.duolingo.com/ HTTP 307
https://preview.duolingo.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

96 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
preview.duolingo.com/
Redirect Chain

http://preview.duolingo.com/
https://preview.duolingo.com/

10 KB
4 KB

432ms
179ms

Document
text/html

54.210.182.54
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL

https://preview.duolingo.com/

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

54.210.182.54 Ashburn, United States, ASN14618 (AMAZON-AES, US),

Reverse DNS

ec2-54-210-182-54.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

7c89180df72fb0f154d1af23ebd6d2e6c1fc0bf05b5cf0347a1588e698c2d642

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

Accept-Language: de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Response headers

cache-control: no-store, no-cache, must-revalidate, proxy-revalidate
content-encoding: gzip
content-type: text/html; charset=UTF-8
date: Mon, 27 May 2024 20:22:44 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: 55
x-frame-options: SAMEORIGIN
x-runtime: 0.05259
x-tid: ffff2ab76654eacf03f4
x-ws: UK

Redirect headers

Location: https://preview.duolingo.com/
Non-Authoritative-Reason: HttpsUpgrades

GET
H2 200 otSDKStub.js Show response
cdn.cookielaw.org/scripttemplates/ 21 KB
7 KB 140ms
55ms Script
application/javascript 2606:4700::6813:b234
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

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

Requested by

Host: preview.duolingo.com
URL: https://preview.duolingo.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6813:b234 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

6a2f825beb3b540a044cdb0515177c34497aa2ce92e335bf1498fa42bb5baf88

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

x-ms-blob-type: BlockBlob
date: Mon, 27 May 2024 20:22:44 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: Dw6K+rTuf8kOuPIEBw1QQA==
age: 85375
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-length: 6881
x-ms-lease-status: unlocked
last-modified: Thu, 23 May 2024 06:07:35 GMT
server: cloudflare
etag: 0x8DC7AEEA478CDA1
vary: Accept-Encoding
content-type: application/javascript
access-control-allow-origin: *
x-ms-request-id: 45f801e8-701e-0062-802b-ad06b1000000
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: 88a8b7ff5a273a43-FRA

GET
H2 200 enterprise.js Show response
www.recaptcha.net/recaptcha/ 2 KB
1 KB 193ms
54ms Script
text/javascript 2a00:1450:4001:80e::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: preview.duolingo.com
URL: https://preview.duolingo.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:80e::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

GSE /

Resource Hash

b3061142114c9121ce6e85cee2238762d1befa8cb3dec0b1f870631647d75a39

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

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 27 May 2024 20:22:44 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, 27 May 2024 20:22:44 GMT

GET
H2 200 manifest-e4fd2c5f.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 12 KB
6 KB 42ms
42ms Script
application/javascript 2600:9000:237d:5c00:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-e4fd2c5f.js
Requested by: Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:237d:5c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: d1693b385a594228686ab892c27d25ddfa429294fc6f262945e2e63f5da045d3

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 23 May 2024 16:56:10 GMT
content-encoding: gzip
via: 1.1 c807be9a1ebef174d61ebd59fb655d20.cloudfront.net (CloudFront)
last-modified: Thu, 23 May 2024 16:54:32 GMT
server: AmazonS3
x-amz-cf-pop: MUC50-P2
age: 357995
etag: "34e6dbcc59fece2eb67027c98a40dd6b"
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: 6065
x-amz-cf-id: Weydz-Hv8lYGPVOmYHDtd-WD8770g6Shda6oGtMQYVa1xFQRFJxXyg==

GET
H2 200 features-91ec4487.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 3 KB
2 KB 39ms
39ms Script
application/javascript 2600:9000:237d:5c00:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/features-91ec4487.js
Requested by: Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:237d:5c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: f2d4ab9d2dff0e7dce8e81c2f13c53db9fdacb6c16445e7188176e06ca638317

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
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sec-ch-ua-platform: "Win32"

Response headers

date: Wed, 06 Mar 2024 21:26:30 GMT
content-encoding: gzip
via: 1.1 73b81cd9bd041c21d2fd170c0f53e030.cloudfront.net (CloudFront)
x-amz-cf-pop: MUC50-P2
age: 7080974
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
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server: AmazonS3
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access-control-max-age: 3000
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cache-control: max-age=315360000
access-control-allow-credentials: true
vary: Origin
accept-ranges: bytes
x-amz-cf-id: -nG0iVKBMtXqouDvJ4ZKnJtWfSGdO3vwpKX4DrljWYfcheaAyS7KRw==

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://preview.duolingo.com
Accept-Language: de-DE,de;q=0.9;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Response headers

Content-Type: text/javascript

GET
H2 200 recaptcha__de.js Show response
www.gstatic.com/recaptcha/releases/joHA60MeME-PNviL59xVH9zs/ 526 KB
209 KB 132ms
39ms Script
text/javascript 2a00:1450:4001:806::2003
GOOGLE

General

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Show headers Download Go to

Full URL

https://www.gstatic.com/recaptcha/releases/joHA60MeME-PNviL59xVH9zs/recaptcha__de.js

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:806::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

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Security Headers

Name	Value
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X-Xss-Protection	0

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Origin: https://preview.duolingo.com
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 27 May 2024 17:41:40 GMT
content-encoding: gzip
x-content-type-options: nosniff
age: 9664
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
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alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 213445
x-xss-protection: 0
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server: sffe
cross-origin-opener-policy: same-origin-allow-popups; report-to="recaptcha"
vary: Accept-Encoding
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content-type: text/javascript
access-control-allow-origin: *
cache-control: public, max-age=31536000
accept-ranges: bytes
expires: Tue, 27 May 2025 17:41:40 GMT

GET
H2 200 location Show response
geolocation.onetrust.com/cookieconsentpub/v1/geo/ 59 B
295 B 152ms
64ms 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

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
accept: application/json
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 27 May 2024 20:22:44 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: 88a8b8012bd3364d-FRA
access-control-allow-headers: Content-Type

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 372ms
117ms Preflight 18.204.252.30
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: 18.204.252.30 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-18-204-252-30.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://preview.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 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, 27 May 2024 20:22:45 GMT
server: Jetty(9.4.53.v20231009)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 371ms
118ms Preflight 18.204.252.30
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: 18.204.252.30 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-18-204-252-30.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://preview.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 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, 27 May 2024 20:22:45 GMT
server: Jetty(9.4.53.v20231009)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 371ms
118ms Preflight 18.204.252.30
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: 18.204.252.30 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-18-204-252-30.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://preview.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 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, 27 May 2024 20:22:45 GMT
server: Jetty(9.4.53.v20231009)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 372ms
119ms Preflight 18.204.252.30
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: 18.204.252.30 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-18-204-252-30.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://preview.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 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, 27 May 2024 20:22:45 GMT
server: Jetty(9.4.53.v20231009)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 371ms
118ms Preflight 18.204.252.30
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: 18.204.252.30 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-18-204-252-30.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://preview.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 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, 27 May 2024 20:22:45 GMT
server: Jetty(9.4.53.v20231009)

GET
H2 200 9020-f65cfd30.css
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1 KB 40ms
40ms Stylesheet
text/css 2600:9000:237d:5c00:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/9020-f65cfd30.css
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-e4fd2c5f.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:237d:5c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
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Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Wed, 08 May 2024 20:26:54 GMT
content-encoding: gzip
via: 1.1 c807be9a1ebef174d61ebd59fb655d20.cloudfront.net (CloudFront)
last-modified: Wed, 08 May 2024 20:00:39 GMT
server: AmazonS3
x-amz-cf-pop: MUC50-P2
age: 1641351
etag: "2876fedc12124e4d920510abfd79bb29"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-type: text/css
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 1028
x-amz-cf-id: rJnG2UvUiiyGHsypAMLfL6_ewpxVAvhqLN8X9vZgcZgA444wzLIE-w==

GET
H2 200 9020-62a41295.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 6 KB
3 KB 44ms
44ms Script
application/javascript 2600:9000:237d:5c00:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/9020-62a41295.js
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-e4fd2c5f.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:237d:5c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: d47319513b9186d50f13b4a57d27df29b23ce7417c3101eb3ce6520c4b4a18d8

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Wed, 22 May 2024 20:26:08 GMT
content-encoding: gzip
via: 1.1 c807be9a1ebef174d61ebd59fb655d20.cloudfront.net (CloudFront)
last-modified: Wed, 22 May 2024 20:21:34 GMT
server: AmazonS3
x-amz-cf-pop: MUC50-P2
age: 431796
etag: "687f73bbcf0d1977a025b8fcb5c90737"
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: 2710
x-amz-cf-id: xq1ZYxOKWphnvmtyjRngnjtJuLh5p84_YXvWP1x8FAkXBrogBMXXYQ==

GET
H2 200 5323-45f66a71.css
d35aaqx5ub95lt.cloudfront.net/css/ 3 KB
1 KB 41ms
41ms Stylesheet
text/css 2600:9000:237d:5c00:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/5323-45f66a71.css
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-e4fd2c5f.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:237d:5c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 30783adaf631ba30ed5d34d183ea30f609aa572f07a9f5c964c1a502644893b9

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Wed, 08 May 2024 20:26:54 GMT
content-encoding: gzip
via: 1.1 c807be9a1ebef174d61ebd59fb655d20.cloudfront.net (CloudFront)
last-modified: Wed, 08 May 2024 20:00:38 GMT
server: AmazonS3
x-amz-cf-pop: MUC50-P2
age: 1641351
etag: "abad0cfe891b8dfd31a34774b51fa00c"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-type: text/css
cache-control: max-age=315360000
accept-ranges: bytes
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x-amz-cf-id: YlV3BRgA7Hjcx5D0UdYxRyNLFNjhzjuiq-kAOwDpcaLU_eymI1SCDw==

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 372ms
119ms Preflight 18.204.252.30
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: 18.204.252.30 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-18-204-252-30.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://preview.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 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, 27 May 2024 20:22:45 GMT
server: Jetty(9.4.53.v20231009)

GET
H2 200 5323-a08d0803.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 8 KB
4 KB 46ms
46ms Script
application/javascript 2600:9000:237d:5c00:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/5323-a08d0803.js
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-e4fd2c5f.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:237d:5c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
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Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Wed, 22 May 2024 20:26:08 GMT
content-encoding: gzip
via: 1.1 c807be9a1ebef174d61ebd59fb655d20.cloudfront.net (CloudFront)
last-modified: Wed, 22 May 2024 20:21:33 GMT
server: AmazonS3
x-amz-cf-pop: MUC50-P2
age: 431796
etag: "f43c99144eba4e428881c2c80e1d43c9"
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: 3279
x-amz-cf-id: qyoUR37CIDOzAeLAknb-zJjaDlQiuODvcUDaLFYyls0-BJcMGEE6MQ==

GET
H2 200 8575-e7f4c18d.css
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1 KB 42ms
42ms Stylesheet
text/css 2600:9000:237d:5c00:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/8575-e7f4c18d.css
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-e4fd2c5f.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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Reverse DNS
Software: AmazonS3 /
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Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Wed, 08 May 2024 20:26:54 GMT
content-encoding: gzip
via: 1.1 c807be9a1ebef174d61ebd59fb655d20.cloudfront.net (CloudFront)
last-modified: Wed, 08 May 2024 20:00:39 GMT
server: AmazonS3
x-amz-cf-pop: MUC50-P2
age: 1641351
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last-modified: Wed, 22 May 2024 20:21:33 GMT
server: AmazonS3
x-amz-cf-pop: MUC50-P2
age: 431795
etag: "8bc8dce2eb2cb992e80a64d98938fa22"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-type: application/javascript
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content-length: 7402
x-amz-cf-id: 4ZOhYyMbHb2LpirUEl1whaOiKITAZm2drWVa_9elrumCEar9YZpJVA==

GET
H2 200 client Show response
accounts.google.com/gsi/ 217 KB
83 KB 167ms
61ms Script
application/javascript 2a00:1450:400c:c09::54
GOOGLE

General

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Full URL

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

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-4a39497c.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:400c:c09::54 Brussels, Belgium, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

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Security Headers

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X-Frame-Options	SAMEORIGIN
X-Xss-Protection	0

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 27 May 2024 20:22:44 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-EHyiDGweHNXivXqqq_lckw' '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: application/javascript; charset=utf-8
cache-control: private, max-age=1800
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, 27 May 2024 20:22:44 GMT

GET
H2 404 web.json Show response
brb.duolingo.com/0/ 345 B
772 B 353ms
261ms Fetch
text/html 54.230.228.7
AMAZON-02

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Full URL: https://brb.duolingo.com/0/web.json?user=0&ts=1716841364&tzoffset=2
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-4a39497c.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 54.230.228.7 , United States, ASN16509 (AMAZON-02, US),
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Software: AmazonS3 /
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Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Accept: application/json; charset=UTF-8
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 27 May 2024 20:22:44 GMT
via: 1.1 7d775f7e444ed74169f0db8decde7d20.cloudfront.net (CloudFront)
server: AmazonS3
x-amz-cf-pop: MUC50-P5
access-control-max-age: 3000
access-control-allow-methods: GET, HEAD
content-type: text/html; charset=utf-8
access-control-allow-origin: https://preview.duolingo.com
x-cache: Error from cloudfront
vary: Origin,Access-Control-Request-Headers,Access-Control-Request-Method
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content-length: 345
x-amz-cf-id: FBkV09-5UEw6RVM4Q4lCJ4FgLNcIW_QMMN5fS01t1QL-Ev-Vz_nKOQ==

GET
H2 404 web.json Show response
zombie.duolingo.com/0/ 345 B
776 B 150ms
48ms Fetch
text/html 108.138.36.93
AMAZON-02

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Full URL: https://zombie.duolingo.com/0/web.json?user=0&ts=1716841364&tzoffset=2
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-4a39497c.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 108.138.36.93 , United States, ASN16509 (AMAZON-02, US),
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Software: AmazonS3 /
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Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Accept: application/json; charset=UTF-8
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 27 May 2024 20:22:36 GMT
via: 1.1 73b81cd9bd041c21d2fd170c0f53e030.cloudfront.net (CloudFront)
server: AmazonS3
x-amz-cf-pop: MUC50-P2
age: 8
access-control-max-age: 3000
access-control-allow-methods: GET, HEAD
content-type: text/html; charset=utf-8
access-control-allow-origin: https://preview.duolingo.com
x-cache: Error from cloudfront
vary: Origin,Access-Control-Request-Headers,Access-Control-Request-Method
access-control-allow-credentials: true
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x-amz-cf-id: bt5HCaxkzdhdLrMGTUE-D6uI4L3-4ZHRN7Gyviunyvwy8K1foa0n5g==

POST
H2 200 tracking-status Show response
preview.duolingo.com/2017-06-30/ 2 B
1 KB 150ms
150ms Fetch
application/json 54.210.182.54
AMAZON-AES

General

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Full URL

https://preview.duolingo.com/2017-06-30/tracking-status

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-4a39497c.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

54.210.182.54 Ashburn, United States, ASN14618 (AMAZON-AES, US),

Reverse DNS

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Software

duo-api /

Resource Hash

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Security Headers

Name	Value
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Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
X-Amzn-Trace-Id: User=0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
Content-Type: application/json; charset=UTF-8
Accept: application/json; charset=UTF-8
Referer: https://preview.duolingo.com/
X-Requested-With: XMLHttpRequest
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 27 May 2024 20:22:44 GMT
x-ws: UK
x-tid: ffff2a086654e9a504e5
surrogate-control: no-store
x-duo-request-host: www.duolingo.com
x-envoy-upstream-service-time: 25
content-length: 2
pragma: no-cache
x-runtime: 0.02244
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://preview.duolingo.com
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
access-control-allow-credentials: true
x-frame-options: SAMEORIGIN
access-control-allow-headers: , accept, accept-encoding, accept-language, authorization, cache-control, connection, content-type, dnt, host, if-modified-since, keep-alive, user-agent, x-requested-with
expires: 0

GET
H2 200 config Show response
preview.duolingo.com/2017-06-30/ 3 KB
1 KB 133ms
133ms Fetch
application/json 54.210.182.54
AMAZON-AES

General

Check archive.org

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Full URL

https://preview.duolingo.com/2017-06-30/config?fields=ageRestrictionLimit,clientExperiments%7Bsfeat_web_clientside_experiment_test_fam,sfeat_web_clientside_experiment_test_fam_v2%7D,featureFlags,ipCountry,speechHost&_=1716841364746

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-4a39497c.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

54.210.182.54 Ashburn, United States, ASN14618 (AMAZON-AES, US),

Reverse DNS

ec2-54-210-182-54.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

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Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1 ; mode=block

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
X-Amzn-Trace-Id: User=0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
Accept: application/json; charset=UTF-8
Referer: https://preview.duolingo.com/
X-Requested-With: XMLHttpRequest
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Mon, 27 May 2024 20:22:44 GMT
content-encoding: br
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
x-duo-request-host: www.duolingo.com
cache-control: no-cache, no-store, max-age=0, must-revalidate
x-envoy-upstream-service-time: 5
content-length: 981
x-xss-protection: 1 ; mode=block
expires: 0

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
311 B 135ms
134ms XHR
text/plain 18.204.252.30
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/4142-de5b2c9e.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 18.204.252.30 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software: Jetty(9.4.53.v20231009) /
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Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
sec-ch-ua-platform: "Win32"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 27 May 2024 20:22:45 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
H2 200 87938207afff1598611ba626a8c4827c.svg
d35aaqx5ub95lt.cloudfront.net/vendor/ 173 KB
39 KB 43ms
40ms Image
image/svg+xml 2600:9000:237d:5c00:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/vendor/87938207afff1598611ba626a8c4827c.svg
Requested by: Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:237d:5c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
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Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 16 Mar 2024 00:55:35 GMT
content-encoding: gzip
via: 1.1 c807be9a1ebef174d61ebd59fb655d20.cloudfront.net (CloudFront)
last-modified: Fri, 15 Mar 2024 22:04:34 GMT
server: AmazonS3
x-amz-cf-pop: MUC50-P2
age: 6290830
etag: "0ec579405fb93a7ea3455bae76261d4d"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-type: image/svg+xml
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GET
H2 200 f92d5f2f7d56636846861c458c0d0b6c.svg
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3 KB 44ms
42ms Image
image/svg+xml 2600:9000:237d:5c00:7:60cd:e840:21
AMAZON-02

General

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/f92d5f2f7d56636846861c458c0d0b6c.svg
Requested by: Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:237d:5c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
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Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sun, 31 Dec 2023 22:04:04 GMT
content-encoding: gzip
via: 1.1 c807be9a1ebef174d61ebd59fb655d20.cloudfront.net (CloudFront)
last-modified: Fri, 29 Dec 2023 21:22:51 GMT
server: AmazonS3
x-amz-cf-pop: MUC50-P2
age: 12781121
etag: "84b45c5c36387faf2f52703121a33caa"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=315360000
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x-amz-cf-id: 2toEMLC0huZCpqdwOSL8jBaJ1o0MJ53KPiQDgHvjBSkccffEU035Ag==

GET
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d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/ 323 KB
40 KB 47ms
45ms Image
image/svg+xml 2600:9000:237d:5c00:7:60cd: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: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:237d:5c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 6bac30e4448a5e0abdd6a14ae2665f4e745f676279790dc45f6afa99d1d9f64b

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Wed, 17 Jan 2024 15:14:54 GMT
content-encoding: gzip
via: 1.1 c807be9a1ebef174d61ebd59fb655d20.cloudfront.net (CloudFront)
last-modified: Tue, 16 Jan 2024 22:30:45 GMT
server: AmazonS3
x-amz-cf-pop: MUC50-P2
age: 11336871
etag: "b35fad34fc76ea205566e63be4785a26"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=315360000
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content-length: 40886
x-amz-cf-id: 3CxuQGuBYnwlU9l1VzWjB1-Uyamfa9wu1g64LE2Qf60o-NaNP6Dsxw==

GET
H2 200 08ec8d0260c55c054e1b97bcbc96ea0f.svg
d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/ 432 KB
40 KB 54ms
52ms Image
image/svg+xml 2600:9000:237d:5c00:7:60cd: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/08ec8d0260c55c054e1b97bcbc96ea0f.svg
Requested by: Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:237d:5c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: f604cfdff29ce793536537e6749264f3f836820167e522db04b29f5953ae439a

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sun, 31 Dec 2023 22:04:04 GMT
content-encoding: gzip
via: 1.1 c807be9a1ebef174d61ebd59fb655d20.cloudfront.net (CloudFront)
last-modified: Fri, 29 Dec 2023 21:22:51 GMT
server: AmazonS3
x-amz-cf-pop: MUC50-P2
age: 12781121
etag: "b3328eb7b424cd78e678d8c0a1717178"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-type: image/svg+xml
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x-amz-cf-id: V4BRwcHL5ThHmgZx2BZyY25LouWLhgxHZdUs1kF9XVHqubLID0Fz7w==

GET
H2 200 833a22b2834050d139f266a29899bb00.svg
d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/ 565 KB
122 KB 55ms
53ms Image
image/svg+xml 2600:9000:237d:5c00:7:60cd: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: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:237d:5c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Software: AmazonS3 /
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Request headers

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sec-ch-ua-mobile: ?0
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sec-ch-ua-platform: "Win32"

Response headers

date: Wed, 11 Oct 2023 20:18:04 GMT
content-encoding: gzip
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AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/9d3c2c99dd19996319a372f79b2ed3c1.svg
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Request headers

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sec-ch-ua-mobile: ?0
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sec-ch-ua-platform: "Win32"

Response headers

date: Sun, 31 Dec 2023 22:04:04 GMT
content-encoding: gzip
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AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/229d5f88cc9df2eb0b68f39466500911.svg
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Request headers

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sec-ch-ua-mobile: ?0
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sec-ch-ua-platform: "Win32"

Response headers

date: Wed, 11 Oct 2023 20:18:04 GMT
content-encoding: gzip
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8 KB 58ms
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AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/22fce01f6df43e0472d7585afad9a43a.svg
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Request headers

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sec-ch-ua-mobile: ?0
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Response headers

date: Thu, 23 Nov 2023 00:07:32 GMT
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AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/3a733db6d6873e1a915f70cf72554ce3.svg
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Request headers

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sec-ch-ua-mobile: ?0
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Response headers

date: Sat, 13 Jan 2024 01:31:33 GMT
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14 KB 64ms
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image/svg+xml 2600:9000:237d:5c00:7:60cd: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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Request headers

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sec-ch-ua-mobile: ?0
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Response headers

date: Sun, 31 Dec 2023 22:04:04 GMT
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17 KB 61ms
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AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/lottie/9f63957bf97d10730813cbb715a0baa0.svg
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Request headers

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sec-ch-ua-mobile: ?0
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Response headers

date: Mon, 25 Dec 2023 14:10:24 GMT
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30 KB 64ms
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image/svg+xml 2600:9000:237d:5c00:7:60cd: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/268877aef1bcca8a53f24b746483346c.svg
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Request headers

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sec-ch-ua-mobile: ?0
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Response headers

date: Wed, 11 Oct 2023 20:18:04 GMT
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20 KB 62ms
61ms Image
image/svg+xml 2600:9000:237d:5c00:7:60cd: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/1dacb3e2a288440001755c6a30e5ec60.svg
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Request headers

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sec-ch-ua-mobile: ?0
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Response headers

date: Wed, 11 Oct 2023 20:18:04 GMT
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17 KB 63ms
61ms Image
image/svg+xml 2600:9000:237d:5c00:7:60cd: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/890eb76de9a395b182c1c28322721405.svg
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Request headers

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sec-ch-ua-mobile: ?0
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Response headers

date: Thu, 11 Jan 2024 11:21:22 GMT
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POST
H2 200 batch Show response
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311 B 141ms
140ms XHR
text/plain 18.204.252.30
AMAZON-AES

General

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Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/4142-de5b2c9e.js
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Request headers

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sec-ch-ua-platform: "Win32"
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Response headers

date: Mon, 27 May 2024 20:22:45 GMT
accept-encoding: gzip, identity
server: Jetty(9.4.53.v20231009)
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POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
311 B 137ms
136ms XHR
text/plain 18.204.252.30
AMAZON-AES

General

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Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/4142-de5b2c9e.js
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Request headers

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Content-type: application/json

Response headers

date: Mon, 27 May 2024 20:22:45 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 150ms
149ms XHR
text/plain 18.204.252.30
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/4142-de5b2c9e.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 18.204.252.30 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-18-204-252-30.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
sec-ch-ua-platform: "Win32"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 27 May 2024 20:22:45 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 132ms
131ms XHR
text/plain 18.204.252.30
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/4142-de5b2c9e.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 18.204.252.30 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-18-204-252-30.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
sec-ch-ua-platform: "Win32"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 27 May 2024 20:22:45 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 142ms
141ms XHR
text/plain 18.204.252.30
AMAZON-AES

General

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Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/4142-de5b2c9e.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 18.204.252.30 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-18-204-252-30.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
sec-ch-ua-platform: "Win32"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 27 May 2024 20:22:45 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 152ms
151ms XHR
text/plain 18.204.252.30
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/4142-de5b2c9e.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 18.204.252.30 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-18-204-252-30.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
sec-ch-ua-platform: "Win32"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 27 May 2024 20:22:45 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
H2 200 c6eae48dd48246c89e415b89f9e55282.svg
d35aaqx5ub95lt.cloudfront.net/images/splash/ 345 B
628 B 60ms
60ms Image
image/svg+xml 2600:9000:237d:5c00:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/c6eae48dd48246c89e415b89f9e55282.svg
Requested by: Host: preview.duolingo.com
URL: https://preview.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:237d:5c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 9e4c89fc912d4b2e8ca8b69184c4720209cea9e7a49d587254b9275272e9ead3

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Wed, 03 Jan 2024 00:37:32 GMT
content-encoding: gzip
via: 1.1 c807be9a1ebef174d61ebd59fb655d20.cloudfront.net (CloudFront)
last-modified: Tue, 02 Jan 2024 23:18:48 GMT
server: AmazonS3
x-amz-cf-pop: MUC50-P2
age: 12599113
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: HJibaz9IOjANiI6F9PZ4PT-J-45WtIC-K_yZJyIZ0cb9yaW8nNMoAw==

GET
H2 200 otBannerSdk.js Show response
cdn.cookielaw.org/scripttemplates/202404.1.0/ 448 KB
109 KB 65ms
50ms Script
application/javascript 2606:4700::6813:b234
CLOUDFLARENET

General

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Full URL

https://cdn.cookielaw.org/scripttemplates/202404.1.0/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::6813:b234 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

49cfbb9c8b20fbaab3a11bcecb48fb8448e617a746fa578baca0dc71a7e06540

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

x-ms-blob-type: BlockBlob
date: Mon, 27 May 2024 20:22:44 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: lAa4newgeifCObgQn9TUrg==
age: 22421
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-length: 111087
x-ms-lease-status: unlocked
last-modified: Mon, 06 May 2024 02:33:25 GMT
server: cloudflare
etag: 0x8DC6D74E83907A1
vary: Accept-Encoding
content-type: application/javascript
access-control-allow-origin: *
x-ms-request-id: 1a756b73-001e-00aa-6dbe-9f9786000000
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: 88a8b8022f2a3a43-FRA

GET
H2 200 anchor
www.recaptcha.net/recaptcha/enterprise/ Frame 022B 0
0 196ms
73ms Document
text/html 2a00:1450:4001:80e::2003
GOOGLE

General

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Full URL

https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6LcLOdsjAAAAAFfwGusLLnnn492SOGhsCh-uEAvI&co=aHR0cHM6Ly9wcmV2aWV3LmR1b2xpbmdvLmNvbTo0NDM.&hl=de&v=joHA60MeME-PNviL59xVH9zs&size=invisible&cb=jvmsk9rbeo

Requested by

Host: www.gstatic.com
URL: https://www.gstatic.com/recaptcha/releases/joHA60MeME-PNviL59xVH9zs/recaptcha__de.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:80e::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

GSE /

Resource Hash

Security Headers

Name	Value
Content-Security-Policy	script-src 'report-sample' 'nonce-dlw5DXZQ1yglibDE03LPEg' '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

Accept-Language: de-DE,de;q=0.9;q=0.9
Referer: https://preview.duolingo.com/
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "Win32"

Response headers

alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control: no-cache, no-store, max-age=0, must-revalidate
content-encoding: gzip
content-security-policy: script-src 'report-sample' 'nonce-dlw5DXZQ1yglibDE03LPEg' '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, 27 May 2024 20:22:45 GMT
expires: Mon, 01 Jan 1990 00:00:00 GMT
pragma: no-cache
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
H2 200 de.json Show response
cdn.cookielaw.org/consent/55a7f100-001e-4085-87ec-1a6d522f7d67/e43d2735-b44f-43da-ae8a-a4f881b04152/ 86 KB
22 KB 93ms
92ms Fetch
application/x-javascript 2606:4700::6813:b234
CLOUDFLARENET

General

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Full URL

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

Requested by

Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/202404.1.0/otBannerSdk.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6813:b234 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

4c8f8d30661560a0ab4f1f4f6db75fb54d2983b866f2d0ef795f754ea323a85e

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

x-ms-blob-type: BlockBlob
date: Mon, 27 May 2024 20:22:45 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
strict-transport-security: max-age=31536000; includeSubDomains; preload
age: 10311
content-md5: idA/Sl8yxbAugIkmzzHudg==
content-length: 22066
x-ms-lease-status: unlocked
last-modified: Thu, 25 Apr 2024 15:36:13 GMT
server: cloudflare
etag: 0x8DC653D7081EF34
vary: Accept-Encoding
content-type: application/x-javascript
access-control-allow-origin: *
x-ms-request-id: d7448d79-001e-0010-573b-97fceb000000
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: 88a8b8066df21976-FRA
expires: Tue, 28 May 2024 20:22:45 GMT

GET
H2 200 otFlat.json Show response
cdn.cookielaw.org/scripttemplates/202404.1.0/assets/ 13 KB
3 KB 64ms
64ms Fetch
application/json 2606:4700::6813:b234
CLOUDFLARENET

General

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Full URL

https://cdn.cookielaw.org/scripttemplates/202404.1.0/assets/otFlat.json

Requested by

Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/202404.1.0/otBannerSdk.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6813:b234 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

f4aaa18c55c90588c5e828e56dcc6b2cb0acf9a4280494c7d1a53fc5e3669112

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

x-ms-blob-type: BlockBlob
date: Mon, 27 May 2024 20:22:45 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: CeHoS/yftP1uT8S/ram0PA==
age: 5661
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-length: 3041
x-ms-lease-status: unlocked
last-modified: Mon, 06 May 2024 02:33:19 GMT
server: cloudflare
etag: 0x8DC6D74E465AB77
vary: Accept-Encoding
content-type: application/json
access-control-allow-origin: *
x-ms-request-id: 9a8335a0-101e-009c-7de5-9f3ad4000000
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: 88a8b80829461976-FRA

GET
H2 200 otCommonStyles.css Show response
cdn.cookielaw.org/scripttemplates/202404.1.0/assets/ 24 KB
4 KB 66ms
66ms Fetch
text/css 2606:4700::6813:b234
CLOUDFLARENET

General

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Full URL

https://cdn.cookielaw.org/scripttemplates/202404.1.0/assets/otCommonStyles.css

Requested by

Host: cdn.cookielaw.org
URL: https://cdn.cookielaw.org/scripttemplates/202404.1.0/otBannerSdk.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6813:b234 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

06c0edbfc1b871fb45195265f5faad3e23191305f6ff2125557a9fbc287c8992

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

x-ms-blob-type: BlockBlob
date: Mon, 27 May 2024 20:22:45 GMT
strict-transport-security: max-age=31536000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
content-encoding: gzip
content-md5: 4ErYmXXFNbMLrnc9DrDTsg==
age: 55306
x-ms-lease-status: unlocked
last-modified: Mon, 06 May 2024 02:33:30 GMT
server: cloudflare
vary: Accept-Encoding
content-type: text/css
access-control-allow-origin: *
x-ms-request-id: d9ebbf70-c01e-0070-37cf-9f32ad000000
access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,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
cf-ray: 88a8b808294a1976-FRA

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
311 B 133ms
133ms XHR
text/plain 18.204.252.30
AMAZON-AES

General

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Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/4142-de5b2c9e.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 18.204.252.30 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-18-204-252-30.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
sec-ch-ua-platform: "Win32"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 27 May 2024 20:22:45 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
H2 200 style
accounts.google.com/gsi/ 533 B
608 B 57ms
57ms Stylesheet
text/css 2a00:1450:400c:c09::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

2a00:1450:400c:c09::54 Brussels, Belgium, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

1c4e7e389d73c6acf7f19cc812514e71230740791fde8a018c1d7edccf1590ae

Security Headers

Name	Value
Content-Security-Policy	script-src 'report-sample' 'nonce-H9tEo62xrj0Kn6CoO6vDNw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	0

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 27 May 2024 20:22:45 GMT
content-security-policy: script-src 'report-sample' 'nonce-H9tEo62xrj0Kn6CoO6vDNw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
content-encoding: gzip
x-content-type-options: nosniff
server: ESF
x-frame-options: SAMEORIGIN
report-to: {"group":"coop_dd7de8473bddc59c6b748810a67a39b1","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/dd7de8473bddc59c6b748810a67a39b1"}]}
content-type: text/css; charset=utf-8
cache-control: 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, 27 May 2024 20:22:45 GMT

GET
H2 200 favicon.ico
d35aaqx5ub95lt.cloudfront.net/ 15 KB
4 KB 39ms
39ms Other
image/vnd.microsoft.icon 2600:9000:237d:5c00:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/favicon.ico
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:237d:5c00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 587ed3e3a94f04264f02bf6e21798c8ca32de7b7f22d30cfc667224741c4a3c2

Request headers

sec-ch-ua: "Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer: https://preview.duolingo.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sun, 07 Jan 2024 11:46:57 GMT
content-encoding: gzip
via: 1.1 c807be9a1ebef174d61ebd59fb655d20.cloudfront.net (CloudFront)
last-modified: Fri, 05 Jan 2024 20:56:28 GMT
server: AmazonS3
x-amz-cf-pop: MUC50-P2
age: 12213350
etag: "80b0487df87a85d16882eb991ce89431"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-type: image/vnd.microsoft.icon
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 3407
x-amz-cf-id: _ndw_UOdgyVKWj14dXUZt1GCphjg9GGIoaM0ISYTlY13xGNESN48pQ==

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
.duolingo.com/	1970-01-21 05:39:37	Name: logged_out_uuid Value: ffca3639-a7f3-4c9f-ad46-5895714a667d
.duolingo.com/	1970-01-21 05:39:37	Name: lang Value: de
.duolingo.com/	1970-01-20 23:03:37	Name: duocsexp3 Value: course_splash_redesign~experiment~
preview.duolingo.com/	1969-12-31 23:59:59	Name: wuuid Value: 7bbaf2d0-f176-4175-bf4d-39ac1dbcb776
.duolingo.com/	1970-01-21 05:39:37	Name: tsl Value: 1716841364682
.duolingo.com/	1970-01-21 05:39:37	Name: lu Value: https://preview.duolingo.com/
.duolingo.com/	1970-01-21 05:39:37	Name: initial_referrer Value: $direct
.duolingo.com/	1970-01-21 05:39:37	Name: lr Value:
.duolingo.com/	1970-01-21 05:39:37	Name: lp Value: splash
preview.duolingo.com/	1970-01-20 21:04:06	Name: AWSALB Value: c6iyntuZ8uW4RkXVfCdeCW4Lj/ZcFA7Rr21oZxWobOLMzCKnHY9HkymYCXfMBKAHVgzH+9i8Uz7DHlECuJaG62LS6Ugj7k5TZqLeldWlsKsS7JuxuZIVhyh6uJVe
preview.duolingo.com/	1970-01-20 21:04:06	Name: AWSALBCORS Value: c6iyntuZ8uW4RkXVfCdeCW4Lj/ZcFA7Rr21oZxWobOLMzCKnHY9HkymYCXfMBKAHVgzH+9i8Uz7DHlECuJaG62LS6Ugj7k5TZqLeldWlsKsS7JuxuZIVhyh6uJVe
.duolingo.com/	1970-01-21 01:13:13	Name: OptanonConsent Value: isGpcEnabled=0&datestamp=Mon+May+27+2024+22%3A22%3A45+GMT%2B0200+(Mitteleurop%C3%A4ische+Sommerzeit)&version=202404.1.0&browserGpcFlag=0&isIABGlobal=false&hosts=&consentId=43268124-1ff2-4bb0-8ed4-4ab0ccb6831e&interactionCount=0&isAnonUser=1&landingPath=https%3A%2F%2Fpreview.duolingo.com%2F&groups=C0001%3A1%2CC0002%3A0%2CC0003%3A0%2CC0004%3A0

2 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
network	error	URL: https://zombie.duolingo.com/0/web.json?user=0&ts=1716841364&tzoffset=2 Message: Failed to load resource: the server responded with a status of 404 ()
network	error	URL: https://brb.duolingo.com/0/web.json?user=0&ts=1716841364&tzoffset=2 Message: Failed to load resource: the server responded with a status of 404 ()

Security Headers

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

Header	Value
X-Frame-Options	SAMEORIGIN

Indicators

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

accounts.google.com
brb.duolingo.com
cdn.cookielaw.org
d35aaqx5ub95lt.cloudfront.net
excess.duolingo.com
geolocation.onetrust.com
preview.duolingo.com
www.googletagmanager.com
www.gstatic.com
www.recaptcha.net
zombie.duolingo.com
108.138.36.93
18.204.252.30
2600:9000:237d:5c00:7:60cd:e840:21
2606:4700:4400::6812:2089
2606:4700::6813:b234
2a00:1450:4001:806::2003
2a00:1450:4001:80e::2003
2a00:1450:4001:82b::2008
2a00:1450:400c:c09::54
54.210.182.54
54.230.228.7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preview.duolingo.com Open in urlscan Pro 54.210.182.54 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

96 Requests

100 %HTTPS

64 %IPv6

8 Domains

11 Subdomains

12 IPs

3 Countries

2582 kBTransfer

12017 kBSize

12 Cookies

48 Outgoing links

Page URL History

Redirected requests

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

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preview.duolingo.com Open in urlscan Pro
54.210.182.54 Public Scan

Screenshot
Live screenshot

Full Image

96
Requests

100 %
HTTPS

64 %
IPv6

8
Domains

11
Subdomains

12
IPs

3
Countries

2582 kB
Transfer

12017 kB
Size

12
Cookies

96 HTTP transactions
1 data transactions