www.duolingo.com Open in urlscan Pro
52.55.34.154 Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
http://duolingo.com/
Effective URL:
https://www.duolingo.com/
Submission: On November 03 via manual (November 3rd 2022, 10:13:37 am UTC) from GB — Scanned from GB

Summary HTTP 89 Redirects Links 50 Behaviour Indicators

Summary

This website contacted 20 IPs in 4 countries across 16 domains to perform 89 HTTP transactions. The main IP is 52.55.34.154, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is www.duolingo.com. The Cisco Umbrella rank of the primary domain is 21237.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on November 21st 2021. Valid for: a year.

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

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 1	54.165.40.136 54.165.40.136	14618 (AMAZON-AES) (AMAZON-AES)
5	52.55.34.154 52.55.34.154	14618 (AMAZON-AES) (AMAZON-AES)
5	2606:4700::68... 2606:4700::6810:9540	13335 (CLOUDFLAR...) (CLOUDFLARENET)
4	18.203.131.238 18.203.131.238	16509 (AMAZON-02) (AMAZON-02)
36	2600:9000:21f... 2600:9000:21f3:9600:7:60cd:e840:21	16509 (AMAZON-02) (AMAZON-02)
1	2606:4700:440... 2606:4700:4400::6812:2962	13335 (CLOUDFLAR...) (CLOUDFLARENET)
18	23.21.32.195 23.21.32.195	14618 (AMAZON-AES) (AMAZON-AES)
1	2a00:1450:400... 2a00:1450:4001:806::2008	15169 (GOOGLE) (GOOGLE)
1	52.2.134.58 52.2.134.58	14618 (AMAZON-AES) (AMAZON-AES)
1	13.224.189.48 13.224.189.48	16509 (AMAZON-02) (AMAZON-02)
1	13.224.189.121 13.224.189.121	16509 (AMAZON-02) (AMAZON-02)
3	2a00:1450:400... 2a00:1450:4001:812::200e	15169 (GOOGLE) (GOOGLE)
1	142.250.181.226 142.250.181.226	15169 (GOOGLE) (GOOGLE)
2	2a03:2880:f01... 2a03:2880:f01c:8012:face:b00c:0:3	32934 (FACEBOOK) (FACEBOOK)
2	54.220.223.247 54.220.223.247	16509 (AMAZON-02) (AMAZON-02)
1 1	34.211.121.27 34.211.121.27	16509 (AMAZON-02) (AMAZON-02)
1 2	54.155.71.126 54.155.71.126	16509 (AMAZON-02) (AMAZON-02)
1 1	2a00:1450:400... 2a00:1450:4001:802::2002	15169 (GOOGLE) (GOOGLE)
1 2	2a00:1450:400... 2a00:1450:4001:801::2004	15169 (GOOGLE) (GOOGLE)
2	2a00:1450:400... 2a00:1450:4001:827::2003	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:400c:c00::9d	15169 (GOOGLE) (GOOGLE)
1	2a03:2880:f11... 2a03:2880:f11c:8183:face:b00c:0:25de	32934 (FACEBOOK) (FACEBOOK)
89	20

1 54.165.40.136 (United States) 1 redirects

ASN14618 (AMAZON-AES, US)
PTR: ec2-54-165-40-136.compute-1.amazonaws.com

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

5 52.55.34.154 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-52-55-34-154.compute-1.amazonaws.com

www.duolingo.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
stories.duolingo.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

5 2606:4700::6810:9540 (United States)

ASN13335 (CLOUDFLARENET, US)

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

4 18.203.131.238 (Dublin, Ireland)

ASN16509 (AMAZON-02, US)
PTR: ec2-18-203-131-238.eu-west-1.compute.amazonaws.com

s.lmepbq.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

36 2600:9000:21f3:9600:7:60cd:e840:21 (United States)

ASN16509 (AMAZON-02, US)

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

1 2606:4700:4400::6812:2962 (United States)

ASN13335 (CLOUDFLARENET, US)

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

18 23.21.32.195 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-23-21-32-195.compute-1.amazonaws.com

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

1 2a00:1450:4001:806::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 52.2.134.58 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-52-2-134-58.compute-1.amazonaws.com

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

1 13.224.189.48 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-224-189-48.fra2.r.cloudfront.net

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

1 13.224.189.121 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-224-189-121.fra2.r.cloudfront.net

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

3 2a00:1450:4001:812::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 142.250.181.226 (United States)

ASN15169 (GOOGLE, US)
PTR: fra16s56-in-f2.1e100.net

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

2 2a03:2880:f01c:8012:face:b00c:0:3 (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)

connect.facebook.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 54.220.223.247 (Dublin, Ireland)

ASN16509 (AMAZON-02, US)
PTR: ec2-54-220-223-247.eu-west-1.compute.amazonaws.com

c0.adalyser.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 34.211.121.27 (Boardman, United States) 1 redirects

ASN16509 (AMAZON-02, US)
PTR: ec2-34-211-121-27.us-west-2.compute.amazonaws.com

pixel.pointmediatracker.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 54.155.71.126 (Dublin, Ireland) 1 redirects

ASN16509 (AMAZON-02, US)
PTR: ec2-54-155-71-126.eu-west-1.compute.amazonaws.com

cnv.event.prod.bidr.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:802::2002 (Frankfurt am Main, Germany) 1 redirects

ASN15169 (GOOGLE, US)

googleads.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:801::2004 (Frankfurt am Main, Germany) 1 redirects

ASN15169 (GOOGLE, US)

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

2 2a00:1450:4001:827::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.google.co.uk	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:400c:c00::9d (Brussels, Belgium)

ASN15169 (GOOGLE, US)

stats.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a03:2880:f11c:8183:face:b00c:0:25de (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)

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

	Apex Domain Subdomains	Transfer
36	cloudfront.net d35aaqx5ub95lt.cloudfront.net	695 KB
27	duolingo.com 1 redirects duolingo.com — Cisco Umbrella Rank: 7092 www.duolingo.com — Cisco Umbrella Rank: 21237 excess.duolingo.com — Cisco Umbrella Rank: 12289 stories.duolingo.com — Cisco Umbrella Rank: 17262 brb.duolingo.com — Cisco Umbrella Rank: 12724 zombie.duolingo.com — Cisco Umbrella Rank: 14309	17 KB
5	cookielaw.org cdn.cookielaw.org — Cisco Umbrella Rank: 635	115 KB
4	lmepbq.com s.lmepbq.com — Cisco Umbrella Rank: 92954	61 KB
3	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 97	20 KB
2	google.co.uk www.google.co.uk — Cisco Umbrella Rank: 2368	655 B
2	google.com 1 redirects www.google.com — Cisco Umbrella Rank: 17	1 KB
2	doubleclick.net 1 redirects googleads.g.doubleclick.net — Cisco Umbrella Rank: 66 stats.g.doubleclick.net — Cisco Umbrella Rank: 166	2 KB
2	bidr.io 1 redirects cnv.event.prod.bidr.io — Cisco Umbrella Rank: 11136	1 KB
2	adalyser.com c0.adalyser.com — Cisco Umbrella Rank: 42574	13 KB
2	facebook.net connect.facebook.net — Cisco Umbrella Rank: 180	112 KB
1	facebook.com www.facebook.com — Cisco Umbrella Rank: 107	185 B
1	pointmediatracker.com 1 redirects pixel.pointmediatracker.com — Cisco Umbrella Rank: 4267	486 B
1	googleadservices.com www.googleadservices.com — Cisco Umbrella Rank: 156	2 KB
1	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 121	85 KB
1	onetrust.com geolocation.onetrust.com — Cisco Umbrella Rank: 1038	306 B
89	16

	Domain	Requested by
36	d35aaqx5ub95lt.cloudfront.net	www.duolingo.com d35aaqx5ub95lt.cloudfront.net
18	excess.duolingo.com	d35aaqx5ub95lt.cloudfront.net
5	cdn.cookielaw.org	www.duolingo.com cdn.cookielaw.org d35aaqx5ub95lt.cloudfront.net
4	s.lmepbq.com	www.duolingo.com s.lmepbq.com
4	www.duolingo.com	d35aaqx5ub95lt.cloudfront.net
3	www.google-analytics.com	www.googletagmanager.com d35aaqx5ub95lt.cloudfront.net
2	www.google.co.uk
2	www.google.com	1 redirects
2	cnv.event.prod.bidr.io	1 redirects
2	c0.adalyser.com	www.duolingo.com
2	connect.facebook.net	www.duolingo.com connect.facebook.net
2	stories.duolingo.com	d35aaqx5ub95lt.cloudfront.net
1	www.facebook.com
1	stats.g.doubleclick.net	d35aaqx5ub95lt.cloudfront.net
1	googleads.g.doubleclick.net	1 redirects
1	pixel.pointmediatracker.com	1 redirects
1	www.googleadservices.com	www.googletagmanager.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	duolingo.com	1 redirects
89	22

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

Domain
itunes.apple.com
play.google.com
schools.duolingo.com
englishtest.duolingo.com
research.duolingo.com
incubator.duolingo.com
careers.duolingo.com
design.duolingo.com
store.duolingo.com
press.duolingo.com
investors.duolingo.com
classes.duolingo.com
podcast.duolingo.com
apps.apple.com
support.duolingo.com
duolingoschools.zendesk.com
status.duolingo.com
blog.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
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	`2021-11-21` - `2022-12-23`	a year	crt.sh
cookielaw.org Cloudflare Inc ECC CA-3	`2022-05-01` - `2023-05-01`	a year	crt.sh
lmepbq.com R3	`2022-10-27` - `2023-01-25`	3 months	crt.sh
*.cloudfront.net Amazon	`2022-02-01` - `2023-01-31`	a year	crt.sh
onetrust.com Cloudflare Inc ECC CA-3	`2022-01-12` - `2023-01-12`	a year	crt.sh
*.google-analytics.com GTS CA 1C3	`2022-09-26` - `2022-12-19`	3 months	crt.sh
www.googleadservices.com GTS CA 1C3	`2022-09-26` - `2022-12-19`	3 months	crt.sh
*.facebook.com DigiCert SHA2 High Assurance Server CA	`2022-08-12` - `2022-11-10`	3 months	crt.sh
*.adalyser.com Thawte RSA CA 2018	`2022-06-10` - `2023-07-11`	a year	crt.sh
*.g.doubleclick.net GTS CA 1C3	`2022-09-26` - `2022-12-19`	3 months	crt.sh
www.google.com GTS CA 1C3	`2022-09-26` - `2022-12-19`	3 months	crt.sh
www.google.co.uk GTS CA 1C3	`2022-10-17` - `2023-01-09`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://www.duolingo.com/
Frame ID: C2D21D44DA2A2C28E9A341977345650E
Requests: 78 HTTP requests in this frame

Frame: blob://https://www.duolingo.com/e3348223-d185-47e8-88f8-54208281a02f
Frame ID: 56AAE24FA3F79F7C6FD8BCA75D2341A2
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Duolingo - The world's best way to learn a languagebadge-app-storebadge-app-store

Page URL History Show full URLs

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

Detected technologies

React (JavaScript Frameworks) Expand

Overall confidence: 100%
Detected patterns

<[^>]+data-react

Facebook (Widgets) Expand

Overall confidence: 100%
Detected patterns

//connect\.facebook\.([a-z]+)/[^/]*/[a-z]*\.js

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

google-analytics\.com/(?:ga|urchin|analytics)\.js

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

89
Requests

96 %
HTTPS

50 %
IPv6

16
Domains

22
Subdomains

20
IPs

4
Countries

1121 kB
Transfer

3630 kB
Size

25
Cookies

50 Outgoing links

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

URL: https://itunes.apple.com/app/duolingo-learn-spanish-french/id570060128?mt=8
Title: badge-app-storeDownload on theApp Store

Search URL Search Domain Scan URL

URL: https://play.google.com/store/apps/details?hl=en&id=com.duolingo&referrer=utm_source%3Dduolingo.com%26utm_medium%3Dduolingo_web%26utm_content%3Ddownload_button%26utm_campaign%3Dsplash
Title: badge-app-storeGet it onGoogle Play

Search URL Search Domain Scan URL

URL: https://schools.duolingo.com/
Title: Bring Duolingo to your classroom

Search URL Search Domain Scan URL

URL: https://englishtest.duolingo.com/
Title: CERTIFY YOUR ENGLISH

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://incubator.duolingo.com/
Title: Incubator

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://design.duolingo.com/
Title: Brand guidelines

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://classes.duolingo.com/
Title: Duolingo Classes

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://apps.apple.com/app/duolingo-abc-learn-to-read/id1440502568?pt=1374442&ct=Site%20map&mt=8
Title: Duolingo ABC (iOS)

Search URL Search Domain Scan URL

URL: https://support.duolingo.com/hc/en-us
Title: Duolingo FAQs

Search URL Search Domain Scan URL

URL: https://duolingoschools.zendesk.com/hc/en-us
Title: Schools FAQs

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/
Title: Blog

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 74

https://pixel.pointmediatracker.com/kpi?c=duolingo&kpi=visit&tag_id=111&fpc=986266e7-f08b-46d6-8a83-43e58a5b4299&utm_source=undefined&utm_medium=undefined&utm_campaign=undefined&gtmcb=1637752773 HTTP 302
https://cnv.event.prod.bidr.io/log/cnv?tag_id=111&buzz_key=blisspoint&value=duolingo&segment_key=&order=abc4a498-aa5d-4a19-9aa3-1d8db31ffa35.null&ord=2330577743784667904 HTTP 303
https://cnv.event.prod.bidr.io/log/cnv?tag_id=111&buzz_key=blisspoint&value=duolingo&segment_key=&order=abc4a498-aa5d-4a19-9aa3-1d8db31ffa35.null&ord=2330577743784667904&_bee_ppp=1

Request Chain 80

https://googleads.g.doubleclick.net/pagead/viewthroughconversion/397119219/?random=831806514&cv=11&fst=1667470413222&bg=ffffff&guid=ON&async=1&gtm=2wgav0&u_w=1600&u_h=1200&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&value=1&auid=303404209.1667470413&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&ocp_id=TZRjY77QFa3bmwfxmZrQAQ&sscte=1&crd=&eitems=ChEI8M2NmwYQ0ry55cL74MLhARIdAJw8BOBvY_5JrLP6I53F2WFy0X-woLzRdoIZHQI&pscrd=EkxDaEFJOE0yTm13WVFpSzczNnV1U2k5Rk5FaVVBM1R2MnQwclBIVE9Fb0F3NE5lcGN2Z0VDYjNGdmlZLUxHYXNlNU95V1Z4elcyM0Q0GlhDaEVJOE0yTm13WVE5dVRQMXJpOG1QUDFBUkl0QU5IU1pDZ0gyZUpCQnVzSG5Qdm9JQmNyTXhYN3BMZFVOV1ZVajhGMmctU2h1VW0tUkJReHFBMXp3Sjkw HTTP 302
https://www.google.com/pagead/1p-conversion/397119219/?random=831806514&cv=11&fst=1667470413222&bg=ffffff&guid=ON&async=1&gtm=2wgav0&u_w=1600&u_h=1200&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&value=1&auid=303404209.1667470413&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&pscrd=EkxDaEFJOE0yTm13WVFpSzczNnV1U2k5Rk5FaVVBM1R2MnQwclBIVE9Fb0F3NE5lcGN2Z0VDYjNGdmlZLUxHYXNlNU95V1Z4elcyM0Q0GlhDaEVJOE0yTm13WVE5dVRQMXJpOG1QUDFBUkl0QU5IU1pDZ0gyZUpCQnVzSG5Qdm9JQmNyTXhYN3BMZFVOV1ZVajhGMmctU2h1VW0tUkJReHFBMXp3Sjkw&is_vtc=1&ocp_id=TZRjY77QFa3bmwfxmZrQAQ&eitems=ChEI8M2NmwYQ0ry55cL74MLhARIdAJw8BOAbrCwKM-xMbnPMu61tsU6sw4Mje5SiYcw&random=117392065 HTTP 302
https://www.google.co.uk/pagead/1p-conversion/397119219/?random=831806514&cv=11&fst=1667470413222&bg=ffffff&guid=ON&async=1&gtm=2wgav0&u_w=1600&u_h=1200&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&value=1&auid=303404209.1667470413&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&pscrd=EkxDaEFJOE0yTm13WVFpSzczNnV1U2k5Rk5FaVVBM1R2MnQwclBIVE9Fb0F3NE5lcGN2Z0VDYjNGdmlZLUxHYXNlNU95V1Z4elcyM0Q0GlhDaEVJOE0yTm13WVE5dVRQMXJpOG1QUDFBUkl0QU5IU1pDZ0gyZUpCQnVzSG5Qdm9JQmNyTXhYN3BMZFVOV1ZVajhGMmctU2h1VW0tUkJReHFBMXp3Sjkw&is_vtc=1&ocp_id=TZRjY77QFa3bmwfxmZrQAQ&eitems=ChEI8M2NmwYQ0ry55cL74MLhARIdAJw8BOAbrCwKM-xMbnPMu61tsU6sw4Mje5SiYcw&random=117392065&ipr=y&prhg=0

89 HTTP transactions
0 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.com/
Redirect Chain

http://duolingo.com/
https://www.duolingo.com/

9 KB
4 KB

384ms
151ms

Document
text/html

52.55.34.154
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL

https://www.duolingo.com/

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-52-55-34-154.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

5a44cd5cd9d2a0fdd916216bcbaf3d22d8b2725c1fc258856ec97c19e154ca9a

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/107.0.5304.87 Safari/537.36
accept-language: en-GB,en;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: Thu, 03 Nov 2022 10:13:32 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: 31
x-frame-options: SAMEORIGIN
x-ipcountry: US
x-runtime: 0.02756
x-tid: ffff09f263639388012f
x-ws: UK

Redirect headers

Connection: keep-alive
Content-Length: 193
Content-Type: text/html
Date: Thu, 03 Nov 2022 10:13:32 GMT
Location: https://www.duolingo.com
Server: nginx/1.4.6 (Ubuntu)

GET
H2 200 otSDKStub.js Show response
cdn.cookielaw.org/scripttemplates/ 21 KB
8 KB 116ms
51ms Script
application/javascript 2606:4700::6810:9540
CLOUDFLARENET

General

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Show headers Download Go to

Full URL

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

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:9540 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

bbc4456bca95006683a8f081d0d2ed645eef5b14c62eca12c70f7e1cec26c1a0

Security Headers

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

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

x-ms-blob-type: BlockBlob
date: Thu, 03 Nov 2022 10:13:32 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: e0VkrpV+7zqDAjQ/RMXPsw==
age: 12365
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-length: 7151
x-ms-lease-status: unlocked
last-modified: Wed, 02 Nov 2022 06:39:34 GMT
server: cloudflare
etag: 0x8DABC9D01A61A76
vary: Accept-Encoding
content-type: application/javascript
access-control-allow-origin: *
x-ms-request-id: 0c76a26d-d01e-0136-188e-ee33e1000000
access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control: max-age=14400
x-ms-version: 2009-09-19
accept-ranges: bytes
cf-ray: 7644567e7d96dd37-LHR

GET
H/1.1 200
OK clear.js Show response
s.lmepbq.com/ag/891112/ 15 KB
9 KB 192ms
40ms Script
text/javascript 18.203.131.238
AMAZON-02

General

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Show headers Download Go to

Full URL

https://s.lmepbq.com/ag/891112/clear.js?ck=b47d033a-37e2-42f6-8215-236ae75cc581&spa=1&dt=8911121635444670059000&mo=2&pd=acc

Requested by

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

Protocol

HTTP/1.1

Security

TLS 1.2, ECDHE_ECDSA, AES_128_GCM

Server

18.203.131.238 Dublin, Ireland, ASN16509 (AMAZON-02, US),

Reverse DNS

ec2-18-203-131-238.eu-west-1.compute.amazonaws.com

Software

Resource Hash

e9d305b309a9d2d36d6e71fd8fd2337e87cb79c3df8d159ea284d87e5fba2f09

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

Pragma: no-cache
Date: Thu, 03 Nov 2022 10:13:32 GMT
Strict-Transport-Security: max-age=31536000; includeSubDomains
Content-Encoding: gzip
Accept-Ch: Viewport-Width, Viewport-Height, Width, DPR, RTT, ECT, Device-Memory, Downlink, Save-Data
Vary: *
Content-Type: text/javascript; charset=utf-8
Cache-Control: no-cache, no-store, must-revalidate, no-transform, private, max-age=0
Timing-Allow-Origin: *
Content-Length: 8669
Expires: 0

GET
H2 200 manifest-3c2d42ad.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 10 KB
6 KB 44ms
42ms Script
application/javascript 2600:9000:21f3:9600:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-3c2d42ad.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:9600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 9cfb9ae7c58097f3e2d1f64408ebbc530e4c0c00516d2a420fb8f8f2a541fa4f

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Sun, 30 Oct 2022 03:53:24 GMT
content-encoding: gzip
via: 1.1 e1e056e45a0f8d6bc22b223900511170.cloudfront.net (CloudFront)
last-modified: Fri, 28 Oct 2022 19:37:43 GMT
server: AmazonS3
x-amz-cf-pop: FRA2-C2
age: 368409
etag: "f0cee1c6f68e075d2a8d48e09d745d5b"
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: 5399
x-amz-cf-id: Rpheki4CigdPVQpsRgScd4fAMl2zOU4XBoqr-lRbJE6FJC0hZanWPA==

GET
H2 200 features-f29cd808.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 1 KB
887 B 44ms
43ms Script
application/javascript 2600:9000:21f3:9600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/features-f29cd808.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:9600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: b8f2cea67349de6d4f60df597c0693f4c04ce86114f22e54c7c421f82d8e603b

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Wed, 19 Oct 2022 19:25:27 GMT
content-encoding: gzip
via: 1.1 e1e056e45a0f8d6bc22b223900511170.cloudfront.net (CloudFront)
last-modified: Wed, 19 Oct 2022 19:21:35 GMT
server: AmazonS3
x-amz-cf-pop: FRA2-C2
age: 1262886
etag: "5bb8b8b26522b09551bed6a4ac509330"
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: 493
x-amz-cf-id: Y25cQqHk6LT_0YQVb3_xb_zsG7p9p3yzOHqelw9XN-PrG3ni4oYZfw==

GET
H2 200 1374-596d8a2b.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 32 KB
12 KB 54ms
53ms Script
application/javascript 2600:9000:21f3:9600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/1374-596d8a2b.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:9600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: c915fa57c2a5b3d6d88f45b6680ca61c6d0ef5827b845d5a9226d90f7241303f

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Wed, 12 Oct 2022 19:26:13 GMT
content-encoding: gzip
via: 1.1 e1e056e45a0f8d6bc22b223900511170.cloudfront.net (CloudFront)
last-modified: Wed, 12 Oct 2022 19:20:41 GMT
server: AmazonS3
x-amz-cf-pop: FRA2-C2
age: 1867640
etag: "39e2493e8253542420021efa258e38cc"
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: 12064
x-amz-cf-id: LfH6KYIu6SiAzG6-8edL2UGdAYvX8JYSfBOKExRrWSoMzLKpCPkKnw==

GET
H2 200 polyfills-a5c3c1f6.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 459 B
668 B 55ms
54ms Script
application/javascript 2600:9000:21f3:9600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/polyfills-a5c3c1f6.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:9600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: a4281cfacc2499c6847a64589aa0df6d5bb029a5767fcd7327b7e3cfbd83d798

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Wed, 28 Sep 2022 19:37:41 GMT
content-encoding: gzip
via: 1.1 e1e056e45a0f8d6bc22b223900511170.cloudfront.net (CloudFront)
last-modified: Wed, 28 Sep 2022 19:19:57 GMT
server: AmazonS3
x-amz-cf-pop: FRA2-C2
age: 3076552
etag: "ff2964686cebfb27d51faa04d19f1b7f"
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: 273
x-amz-cf-id: Cy2RnoluT2dUnzyzzvf9g6ZguKdhUnWO3iKYKNEJAxKRV3yyMZrkmw==

GET
H2 200 9819-ed56787e.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 401 KB
102 KB 56ms
55ms Script
application/javascript 2600:9000:21f3:9600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/9819-ed56787e.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:9600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: eb9e3a65d54dbdc0461a2e57fd5a00e437665ad6bfde3864238b56f614ffb7bb

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Wed, 26 Oct 2022 19:28:12 GMT
content-encoding: gzip
via: 1.1 e1e056e45a0f8d6bc22b223900511170.cloudfront.net (CloudFront)
last-modified: Wed, 26 Oct 2022 19:22:46 GMT
server: AmazonS3
x-amz-cf-pop: FRA2-C2
age: 657921
etag: "ac31fe08e159f3e8e95e7366e34c446d"
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: 103994
x-amz-cf-id: MFl6uIJ5P_oK9epyLoNoxu3wuwTj6yYM07jiVd9Dx_GdWTZfUmZkHQ==

GET
H2 200 en-1644a48e.js Show response
d35aaqx5ub95lt.cloudfront.net/js/strings/ 226 B
576 B 56ms
56ms Script
application/javascript 2600:9000:21f3:9600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/strings/en-1644a48e.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:9600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 1d5484074d844addc76cc620a18d6eab5e5e585f58b5ab7921be19398203a10b

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Tue, 30 Aug 2022 03:45:59 GMT
content-encoding: gzip
via: 1.1 e1e056e45a0f8d6bc22b223900511170.cloudfront.net (CloudFront)
last-modified: Mon, 29 Aug 2022 22:00:56 GMT
server: AmazonS3
x-amz-cf-pop: FRA2-C2
age: 5639254
etag: "b9da8067b4ea9759df25d623effb5336"
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: 183
x-amz-cf-id: 3aGeQTm1F0s4p3ebtoLYcTGhnXi2gsiqNcQ4h8WUvtGy2lrC9dUcYA==

GET
H2 200 3496-f8589a03.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 460 KB
145 KB 115ms
115ms Script
application/javascript 2600:9000:21f3:9600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-f8589a03.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:9600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 63e2adb5d95d277f79971800ce0affbc11419a499592d8533bee4c82d28cedb4

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Mon, 24 Oct 2022 18:26:08 GMT
content-encoding: gzip
via: 1.1 e1e056e45a0f8d6bc22b223900511170.cloudfront.net (CloudFront)
last-modified: Mon, 24 Oct 2022 17:56:44 GMT
server: AmazonS3
x-amz-cf-pop: FRA2-C2
age: 834445
etag: "740f16110a5aabb3ab430357e29546c1"
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: 147503
x-amz-cf-id: DRhaZ5btG0Oy10XzX5_upoG8245AIgQw5nqPuLFa2IgepeyvjdUhdw==

GET
H2 200 app-57365b79.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 660 KB
191 KB 110ms
109ms Script
application/javascript 2600:9000:21f3:9600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-57365b79.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:9600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 2cea2b8063aa86cfbe8a4df6d34580465e538edd168bee66627d88300b3474f8

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Thu, 27 Oct 2022 17:05:32 GMT
content-encoding: gzip
via: 1.1 e1e056e45a0f8d6bc22b223900511170.cloudfront.net (CloudFront)
last-modified: Thu, 27 Oct 2022 16:35:19 GMT
server: AmazonS3
x-amz-cf-pop: FRA2-C2
age: 580081
etag: "e3f12f11520c09b18cfc039996b7cec8"
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: 195314
x-amz-cf-id: L_X8Xl6PFngb9YiKApgilyANsdnCJsfI0NORZMcrEguzAfrRL3GRwg==

GET
H2 200 3496-3137d13f.css
d35aaqx5ub95lt.cloudfront.net/css/ 13 KB
3 KB 135ms
40ms Stylesheet
text/css 2600:9000:21f3:9600:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/3496-3137d13f.css
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:9600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 09a108e010bba119175e567145ded70a0e3df015aebb236e0950434b7b063f19

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Wed, 14 Sep 2022 20:01:41 GMT
content-encoding: gzip
via: 1.1 e1e056e45a0f8d6bc22b223900511170.cloudfront.net (CloudFront)
last-modified: Wed, 14 Sep 2022 19:34:40 GMT
server: AmazonS3
x-amz-cf-pop: FRA2-C2
age: 4284712
etag: "91714c65eb3d747ad4f5f3a262e46d7f"
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: 3186
x-amz-cf-id: TfOTYI_o-0P6e-EP1xFUUco8Tx99DOJNfArX92KTDfxfMcZDSmlHSA==

GET
H2 200 app-b3f490ce.css
d35aaqx5ub95lt.cloudfront.net/css/ 79 KB
17 KB 142ms
47ms Stylesheet
text/css 2600:9000:21f3:9600:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/app-b3f490ce.css
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:9600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 6e0aa66995cfa047956ae5ca9c2f60213c7e47c128cac50a3248231fa3c4e794

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Thu, 27 Oct 2022 04:51:39 GMT
content-encoding: gzip
via: 1.1 e1e056e45a0f8d6bc22b223900511170.cloudfront.net (CloudFront)
last-modified: Wed, 26 Oct 2022 21:30:50 GMT
server: AmazonS3
x-amz-cf-pop: FRA2-C2
age: 624114
etag: "7de180dc2aa62803093e05d652fd1106"
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: 16677
x-amz-cf-id: 6k8g6l4n8IS9_D7Xmex48Bj_xKjtSgYMHKq3HNcIMBLiyA_HJbpuww==

GET
H2 200 55a7f100-001e-4085-87ec-1a6d522f7d67.json Show response
cdn.cookielaw.org/consent/55a7f100-001e-4085-87ec-1a6d522f7d67/ 4 KB
2 KB 105ms
43ms XHR
application/x-javascript 2606:4700::6810:9540
CLOUDFLARENET

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Full URL

https://cdn.cookielaw.org/consent/55a7f100-001e-4085-87ec-1a6d522f7d67/55a7f100-001e-4085-87ec-1a6d522f7d67.json

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:9540 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

92b0ab5ddd16e52f6f4a50cc90a7f3216ed08d01309d7e9fe6901bc7059c09c1

Security Headers

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

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

x-ms-blob-type: BlockBlob
date: Thu, 03 Nov 2022 10:13:32 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: 6CFUc5RY3IhG3Kfr/mTs4g==
age: 6348
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-length: 1664
x-ms-lease-status: unlocked
last-modified: Tue, 29 Mar 2022 21:26:55 GMT
server: cloudflare
etag: 0x8DA11CAD939C4FB
vary: Accept-Encoding
content-type: application/x-javascript
access-control-allow-origin: *
x-ms-request-id: f7d27c71-401e-0096-43b5-43bad2000000
access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control: public, max-age=14400
x-ms-version: 2009-09-19
accept-ranges: bytes
cf-ray: 7644567f2c4a8e24-LHR
expires: Thu, 03 Nov 2022 14:13:32 GMT

POST
H/1.1 200
OK postback Show response
s.lmepbq.com/2/2.77.0/891112/AZy4wfAAEANh3qMA/ 0
145 B 159ms
40ms XHR
text/plain 18.203.131.238
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://s.lmepbq.com/2/2.77.0/891112/AZy4wfAAEANh3qMA/postback?oz_pl=1&ck=b47d033a-37e2-42f6-8215-236ae75cc581&spa=1&dt=8911121635444670059000&mo=2&pd=acc&ci=891112&_x=1
Requested by: Host: s.lmepbq.com
URL: https://s.lmepbq.com/ag/891112/clear.js?ck=b47d033a-37e2-42f6-8215-236ae75cc581&spa=1&dt=8911121635444670059000&mo=2&pd=acc
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 18.203.131.238 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS: ec2-18-203-131-238.eu-west-1.compute.amazonaws.com
Software: /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://www.duolingo.com/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36
Content-Type: text/plain

Response headers

Access-Control-Allow-Origin: *
Date: Thu, 03 Nov 2022 10:13:32 GMT
Timing-Allow-Origin: *
Content-Length: 0
Vary: Origin

GET
H/1.1 200
OK main.js Show response
s.lmepbq.com/2/2.77.0/ 163 KB
51 KB 39ms
39ms Script
text/javascript 18.203.131.238
AMAZON-02

General

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Full URL

https://s.lmepbq.com/2/2.77.0/main.js

Requested by

Host: s.lmepbq.com
URL: https://s.lmepbq.com/ag/891112/clear.js?ck=b47d033a-37e2-42f6-8215-236ae75cc581&spa=1&dt=8911121635444670059000&mo=2&pd=acc

Protocol

HTTP/1.1

Security

TLS 1.2, ECDHE_ECDSA, AES_128_GCM

Server

18.203.131.238 Dublin, Ireland, ASN16509 (AMAZON-02, US),

Reverse DNS

ec2-18-203-131-238.eu-west-1.compute.amazonaws.com

Software

Resource Hash

83af307682707b3936df6a569349ea5b766250f0c5062793f847d6e9f14ebb80

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

Date: Thu, 03 Nov 2022 10:13:32 GMT
Strict-Transport-Security: max-age=31536000; includeSubDomains
Content-Encoding: br
Accept-Ch: Viewport-Width, Viewport-Height, Width, DPR, RTT, ECT, Device-Memory, Downlink, Save-Data
Vary: Origin, Accept-Encoding
Content-Type: text/javascript; charset=utf-8
Cache-Control: public, no-transform, immutable, max-age=999999999
Timing-Allow-Origin: *
Content-Length: 52174
Expires: Sun, 12 Jul 2054 07:20:40 GMT

GET
H2 200 b391a1740855adb49e1bfc5fbe836c5c.woff2
d35aaqx5ub95lt.cloudfront.net/vendor/ 42 KB
43 KB 171ms
88ms Font
binary/octet-stream 2600:9000:21f3:9600:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/vendor/b391a1740855adb49e1bfc5fbe836c5c.woff2
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:9600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: b833b31a4168038802debcbd61d69df32b1188018d8b2009a51ccc6f6b50a61e

Request headers

Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Mon, 19 Sep 2022 01:35:07 GMT
content-encoding: gzip
via: 1.1 784dd167d622737126ee2d76985e7d3c.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA2-C2
age: 3919106
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 43013
last-modified: Fri, 16 Sep 2022 23:48:49 GMT
server: AmazonS3
etag: "aac52d1ab9c782cf3ccf57c61f7ef86d"
access-control-max-age: 3000
access-control-allow-methods: GET
content-type: binary/octet-stream
access-control-allow-origin: https://www.duolingo.com
cache-control: max-age=315360000
access-control-allow-credentials: true
vary: Origin
accept-ranges: bytes
x-amz-cf-id: eyZPXT_8r1lmg2Fv1XoDuTy2-62JyQC2oPWtySX1FdriaqraGIbNyw==

GET
H2 200 c1ebba64155e95ff69b9b3efb15c219a.woff2
d35aaqx5ub95lt.cloudfront.net/vendor/ 39 KB
40 KB 129ms
47ms Font
binary/octet-stream 2600:9000:21f3:9600:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/vendor/c1ebba64155e95ff69b9b3efb15c219a.woff2
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:9600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: e1e9eeca8bc059f303794f02f8d790fa8e63990823c837d01b7cb1d212c7bb5e

Request headers

Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Wed, 21 Sep 2022 09:10:30 GMT
content-encoding: gzip
via: 1.1 784dd167d622737126ee2d76985e7d3c.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA2-C2
age: 3718982
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 40217
last-modified: Wed, 21 Sep 2022 06:05:22 GMT
server: AmazonS3
etag: "6e2d84769c2fcf9f14bc1589ac305c67"
access-control-max-age: 3000
access-control-allow-methods: GET
content-type: binary/octet-stream
access-control-allow-origin: https://www.duolingo.com
cache-control: max-age=315360000
access-control-allow-credentials: true
vary: Origin
accept-ranges: bytes
x-amz-cf-id: gIPrLTcj9WuaAmyu667Lek5yrfIRA5mg1O09nASBuXOmqf2cB07oWg==

GET
H2 200 location Show response
geolocation.onetrust.com/cookieconsentpub/v1/geo/ 69 B
306 B 130ms
66ms XHR
application/json 2606:4700:4400::6812:2962
CLOUDFLARENET

General

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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::6812:2962 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

26e34b9fbbd2ecafe25af980f19ddc63342ffad01477b0fe851ac8c35bfea847

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload

Request headers

accept: application/json
Referer: https://www.duolingo.com/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Thu, 03 Nov 2022 10:13:32 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: 7644567fde5cf437-LHR
access-control-allow-headers: Content-Type

POST
H/1.1 200
OK postback Show response
s.lmepbq.com/2/2.77.0/891112/AZy4wfAAEANh3qMA/ 0
145 B 69ms
40ms XHR
text/plain 18.203.131.238
AMAZON-02

General

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Show headers Download Go to

Full URL: https://s.lmepbq.com/2/2.77.0/891112/AZy4wfAAEANh3qMA/postback?oz_pl=1&ck=b47d033a-37e2-42f6-8215-236ae75cc581&spa=1&dt=8911121635444670059000&mo=2&pd=acc&ci=891112&_x=1
Requested by: Host: s.lmepbq.com
URL: https://s.lmepbq.com/ag/891112/clear.js?ck=b47d033a-37e2-42f6-8215-236ae75cc581&spa=1&dt=8911121635444670059000&mo=2&pd=acc
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 18.203.131.238 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS: ec2-18-203-131-238.eu-west-1.compute.amazonaws.com
Software: /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://www.duolingo.com/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36
Content-Type: text/plain

Response headers

Access-Control-Allow-Origin: *
Date: Thu, 03 Nov 2022 10:13:32 GMT
Timing-Allow-Origin: *
Content-Length: 0
Vary: Origin

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 345ms
112ms Preflight 23.21.32.195
AMAZON-AES

General

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Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-21-32-195.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 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: Thu, 03 Nov 2022 10:13:33 GMT
server: Jetty(9.2.z-SNAPSHOT)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 344ms
112ms Preflight 23.21.32.195
AMAZON-AES

General

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Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-21-32-195.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 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: Thu, 03 Nov 2022 10:13:33 GMT
server: Jetty(9.2.z-SNAPSHOT)

GET
H2 200 gtm.js Show response
www.googletagmanager.com/ 246 KB
85 KB 144ms
50ms Script
application/javascript 2a00:1450:4001:806::2008
GOOGLE

General

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Full URL

https://www.googletagmanager.com/gtm.js?id=GTM-TX6Z97C

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-57365b79.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:806::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

9d32aeff78a45ecae7b5ae8c0153c629d1fc6c2613e1fd117a9d38ed1b21d751

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Xss-Protection	0

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Thu, 03 Nov 2022 10:13:33 GMT
content-encoding: br
strict-transport-security: max-age=31536000; includeSubDomains
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 86036
x-xss-protection: 0
last-modified: Thu, 03 Nov 2022 09:00:00 GMT
server: Google Tag Manager
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
access-control-allow-origin: *
cache-control: private, max-age=900
access-control-allow-credentials: true
access-control-allow-headers: Cache-Control
expires: Thu, 03 Nov 2022 10:13:33 GMT

GET
H2 200 4555-9682f905.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 9 KB
4 KB 49ms
49ms Script
application/javascript 2600:9000:21f3:9600:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/4555-9682f905.js
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-3c2d42ad.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:9600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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AMAZON-02

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Request headers

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Response headers

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AMAZON-02

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Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/ebdcc22deaf0f85388fcb09e7ecfbe78.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
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Request headers

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Response headers

date: Tue, 27 Sep 2022 04:28:14 GMT
content-encoding: gzip
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AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/a4d5fab3d1926c240cb2ae696b07d156.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
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Request headers

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Response headers

date: Sat, 10 Sep 2022 06:16:06 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/791b23bc8994589efad21ce964d99161.svg
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Request headers

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Response headers

date: Wed, 14 Sep 2022 21:52:00 GMT
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AMAZON-02

General

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Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/af5bf404fb8ea1ff96fdc9247a1e36e0.svg
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Request headers

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Response headers

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AMAZON-02

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Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/9cb1bd734855384c2de08fe80443af9f.svg
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Request headers

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Response headers

date: Sun, 02 Oct 2022 05:41:23 GMT
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AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/efficacyPage/5b117228254f9a9d8c7f541734f18225.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
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Request headers

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Response headers

date: Thu, 08 Sep 2022 00:53:15 GMT
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POST
H2 200 batch Show response
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312 B 127ms
125ms XHR
text/plain 23.21.32.195
AMAZON-AES

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Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-f8589a03.js
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Request headers

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Response headers

date: Thu, 03 Nov 2022 10:13:33 GMT
accept-encoding: gzip, identity
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POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 126ms
125ms XHR
text/plain 23.21.32.195
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/3496-f8589a03.js
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Request headers

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Response headers

date: Thu, 03 Nov 2022 10:13:33 GMT
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1 KB 57ms
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AMAZON-02

General

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Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/dca3b978d07a7dfc05adb1d5526e9e21.svg
Requested by: Host: www.duolingo.com
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Response headers

date: Tue, 06 Sep 2022 00:56:06 GMT
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39 KB 54ms
54ms Image
image/svg+xml 2600:9000:21f3:9600:7:60cd: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
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Request headers

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Response headers

date: Tue, 30 Aug 2022 06:45:02 GMT
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5 KB 58ms
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AMAZON-02

General

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Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/super/8183c77cba99daf1e900fb5f9b0cc671.svg
Requested by: Host: www.duolingo.com
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Request headers

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Response headers

date: Sun, 04 Sep 2022 01:43:52 GMT
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83 KB 40ms
40ms Script
application/javascript 2606:4700::6810:9540
CLOUDFLARENET

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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

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Software

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Resource Hash

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Security Headers

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Request headers

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Referer: https://www.duolingo.com/
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Response headers

x-ms-blob-type: BlockBlob
date: Thu, 03 Nov 2022 10:13:33 GMT
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OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 257ms
113ms Preflight 23.21.32.195
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: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-21-32-195.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

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access-control-allow-origin: *
access-control-max-age: 3600
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OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 255ms
112ms Preflight 23.21.32.195
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: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-21-32-195.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 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
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server: Jetty(9.2.z-SNAPSHOT)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 255ms
113ms Preflight 23.21.32.195
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: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-21-32-195.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 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
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server: Jetty(9.2.z-SNAPSHOT)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 254ms
113ms Preflight 23.21.32.195
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: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-21-32-195.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 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: Thu, 03 Nov 2022 10:13:33 GMT
server: Jetty(9.2.z-SNAPSHOT)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 254ms
113ms Preflight 23.21.32.195
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: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-21-32-195.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 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
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content-length: 0
date: Thu, 03 Nov 2022 10:13:33 GMT
server: Jetty(9.2.z-SNAPSHOT)

OPTIONS
H2 200 config
stories.duolingo.com/api2/ Frame 0
0 353ms
120ms Preflight 52.2.134.58
AMAZON-AES

General

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Show headers Download Go to

Full URL

https://stories.duolingo.com/api2/config?fields=courses&fromLanguage=en&_=1667470413057

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-52-2-134-58.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

Security Headers

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

Request headers

Accept: */*
Access-Control-Request-Headers: x-amzn-trace-id,x-requested-with
Access-Control-Request-Method: GET
Origin: https://www.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

access-control-allow-credentials: true
access-control-allow-headers: x-amzn-trace-id, x-requested-with
access-control-allow-methods: GET,HEAD,POST
access-control-allow-origin: https://www.duolingo.com
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cache-control: no-cache, no-store, max-age=0, must-revalidate
content-length: 0
date: Thu, 03 Nov 2022 10:13:33 GMT
expires: 0
pragma: no-cache
referrer-policy: no-referrer
server: duo-api
vary: Origin,Access-Control-Request-Method,Access-Control-Request-Headers
x-content-type-options: nosniff
x-duo-request-host: stories-edge.duolingo.com
x-envoy-upstream-service-time: 2
x-frame-options: DENY
x-xss-protection: 1 ; mode=block

GET
H2 200 17db14133432ce4e82a799e760bd3e0e.svg Show response
d35aaqx5ub95lt.cloudfront.net/images/ 969 B
1 KB 43ms
43ms XHR
image/svg+xml 2600:9000:21f3:9600:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/17db14133432ce4e82a799e760bd3e0e.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-f8589a03.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:9600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 43de60f58f47997a3f62dc59cea1ad81dfacbe9a22aa4c3fcf871757e2d8cfbb

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Mon, 26 Sep 2022 05:06:23 GMT
content-encoding: gzip
via: 1.1 784dd167d622737126ee2d76985e7d3c.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA2-C2
age: 3301631
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 550
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server: AmazonS3
etag: "88a68f33e1a558d348cecef53d577c8c"
access-control-max-age: 3000
access-control-allow-methods: GET
content-type: image/svg+xml
access-control-allow-origin: https://www.duolingo.com
cache-control: max-age=315360000
access-control-allow-credentials: true
vary: Origin
accept-ranges: bytes
x-amz-cf-id: GcqKWZKtjHIGne6qfIkpVqAsVBlkdIdr3xUCa_EYQgzYboixipWSgQ==

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 130ms
129ms XHR
text/plain 23.21.32.195
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/3496-f8589a03.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-21-32-195.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36
Content-type: application/json

Response headers

date: Thu, 03 Nov 2022 10:13:33 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain; charset=ISO-8859-1
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GET
H2 200 4a9f9204e7e5c1d3ed3b79b7b7af8568.svg Show response
d35aaqx5ub95lt.cloudfront.net/images/ 727 B
946 B 43ms
43ms XHR
image/svg+xml 2600:9000:21f3:9600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/4a9f9204e7e5c1d3ed3b79b7b7af8568.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-f8589a03.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:21f3:9600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Software: AmazonS3 /
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Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Fri, 30 Sep 2022 05:25:58 GMT
content-encoding: gzip
via: 1.1 784dd167d622737126ee2d76985e7d3c.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA2-C2
age: 2954856
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 429
last-modified: Thu, 29 Sep 2022 19:52:59 GMT
server: AmazonS3
etag: "f4fdc5ec4b21ebe6ac25f936500d3691"
access-control-max-age: 3000
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cache-control: max-age=315360000
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accept-ranges: bytes
x-amz-cf-id: gx_TzsjwitQqbKh3PTvsNcgiJ-0N4ClQ12X5twKUzZMq4hFtYKbiuw==

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 128ms
127ms XHR
text/plain 23.21.32.195
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/3496-f8589a03.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36
Content-type: application/json

Response headers

date: Thu, 03 Nov 2022 10:13:33 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
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
312 B 128ms
126ms XHR
text/plain 23.21.32.195
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/3496-f8589a03.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Request headers

Referer: https://www.duolingo.com/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36
Content-type: application/json

Response headers

date: Thu, 03 Nov 2022 10:13:33 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain; charset=ISO-8859-1
access-control-allow-origin: *
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POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 132ms
131ms XHR
text/plain 23.21.32.195
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/3496-f8589a03.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36
Content-type: application/json

Response headers

date: Thu, 03 Nov 2022 10:13:33 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain; charset=ISO-8859-1
access-control-allow-origin: *
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 34

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 128ms
127ms XHR
text/plain 23.21.32.195
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/3496-f8589a03.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-21-32-195.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36
Content-type: application/json

Response headers

date: Thu, 03 Nov 2022 10:13:33 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain; charset=ISO-8859-1
access-control-allow-origin: *
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 34

GET
H2 200 list Show response
www.duolingo.com/api/1/courses/ 29 KB
4 KB 158ms
157ms XHR
application/json 52.55.34.154
AMAZON-AES

General

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Show headers Download Go to

Full URL

https://www.duolingo.com/api/1/courses/list?_=1667470413054

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-f8589a03.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-52-55-34-154.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

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Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
X-Requested-With: XMLHttpRequest
accept-language: en-GB,en;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/107.0.5304.87 Safari/537.36

Response headers

pragma: no-cache
date: Thu, 03 Nov 2022 10:13:33 GMT
content-encoding: gzip
x-runtime: 0.03735
server: duo-api
x-ws: UK
no-retry: 1
x-tid: ffff09d963639385013d
surrogate-control: no-store
x-frame-options: SAMEORIGIN
content-type: application/json; charset=UTF-8
x-duo-request-host: www.duolingo.com
cache-control: no-store, no-cache, must-revalidate, proxy-revalidate
x-envoy-upstream-service-time: 40
expires: 0

GET
H2 404 web.json Show response
brb.duolingo.com/0/ 345 B
770 B 332ms
241ms XHR
text/html 13.224.189.48
AMAZON-02

General

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Show headers Download Go to

Full URL: https://brb.duolingo.com/0/web.json?user=0&ts=1667470413&tzoffset=0
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-f8589a03.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 13.224.189.48 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-13-224-189-48.fra2.r.cloudfront.net
Software: AmazonS3 /
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Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Thu, 03 Nov 2022 10:13:33 GMT
via: 1.1 c379418fd6100691807f32f274ebe9ce.cloudfront.net (CloudFront)
server: AmazonS3
x-amz-cf-pop: FRA2-C1
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x-amz-cf-id: xgNAzYjNCRRueUqlxr5kXHccwztmCVNXPXLSaDwiUfBFwVIOQLoL9w==

GET
H2 404 web.json Show response
zombie.duolingo.com/0/ 345 B
767 B 334ms
241ms XHR
text/html 13.224.189.121
AMAZON-02

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Full URL: https://zombie.duolingo.com/0/web.json?user=0&ts=1667470413&tzoffset=0
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-f8589a03.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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Software: AmazonS3 /
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Request headers

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accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Thu, 03 Nov 2022 10:13:32 GMT
via: 1.1 41f60102fc29156bc5001d6646f75c02.cloudfront.net (CloudFront)
server: AmazonS3
x-amz-cf-pop: FRA2-C1
access-control-max-age: 3000
access-control-allow-methods: GET, HEAD
content-type: text/html; charset=utf-8
access-control-allow-origin: https://www.duolingo.com
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x-amz-cf-id: L-DARb5D6ABw2tMcTLLvfmYJVoW9A2vNrTW-486ANxEh-xSADRAm0A==

GET
H2 200 config Show response
www.duolingo.com/2017-06-30/ 2 KB
2 KB 125ms
124ms XHR
application/json 52.55.34.154
AMAZON-AES

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Full URL

https://www.duolingo.com/2017-06-30/config?fields=ageRestrictionLimit,clientExperiments%7B%7D,dictionaryHost,featureFlags,ipCountry,speechHost&_=1667470413057

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-f8589a03.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-52-55-34-154.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

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Security Headers

Name	Value
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X-Xss-Protection	1 ; mode=block

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
X-Requested-With: XMLHttpRequest
accept-language: en-GB,en;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/107.0.5304.87 Safari/537.36

Response headers

pragma: no-cache
date: Thu, 03 Nov 2022 10:13:33 GMT
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: 4
content-length: 1989
x-xss-protection: 1 ; mode=block
expires: 0

GET
H2 200 config Show response
stories.duolingo.com/api2/ 1 KB
2 KB 123ms
122ms XHR
application/json 52.55.34.154
AMAZON-AES

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Full URL

https://stories.duolingo.com/api2/config?fields=courses&fromLanguage=en&_=1667470413057

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-f8589a03.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

52.55.34.154 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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X-Xss-Protection	1 ; mode=block

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
X-Requested-With: XMLHttpRequest
accept-language: en-GB,en;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/107.0.5304.87 Safari/537.36

Response headers

date: Thu, 03 Nov 2022 10:13:33 GMT
x-content-type-options: nosniff
x-duo-request-host: stories-edge.duolingo.com
x-envoy-upstream-service-time: 3
content-length: 1113
x-xss-protection: 1 ; mode=block
pragma: no-cache
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
access-control-allow-origin: https://www.duolingo.com
cache-control: no-cache, no-store, max-age=0, must-revalidate
access-control-allow-credentials: true
expires: 0

POST
H2 200 tracking-status Show response
www.duolingo.com/2017-06-30/ 2 B
1 KB 824ms
824ms XHR
application/json 52.55.34.154
AMAZON-AES

General

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Full URL

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

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-f8589a03.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

52.55.34.154 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
X-Frame-Options	SAMEORIGIN

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
X-Requested-With: XMLHttpRequest
accept-language: en-GB,en;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/107.0.5304.87 Safari/537.36
Content-Type: application/json;charset=UTF-8

Response headers

date: Thu, 03 Nov 2022 10:13:33 GMT
x-ws: UK
x-tid: ffff030663638cf6020c
surrogate-control: no-store
x-duo-request-host: www.duolingo.com
x-envoy-upstream-service-time: 705
content-length: 2
pragma: no-cache
x-runtime: 0.69913
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.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

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 130ms
128ms XHR
text/plain 23.21.32.195
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/3496-f8589a03.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36
Content-type: application/json

Response headers

date: Thu, 03 Nov 2022 10:13:33 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain; charset=ISO-8859-1
access-control-allow-origin: *
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 34

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 359ms
222ms Preflight 23.21.32.195
AMAZON-AES

General

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Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-21-32-195.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 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: Thu, 03 Nov 2022 10:13:33 GMT
server: Jetty(9.2.z-SNAPSHOT)

GET
BLOB 200
OK e3348223-d185-47e8-88f8-54208281a02f
https://www.duolingo.com/ Frame 56AA 185 B
0 Other
application/javascript

General

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Full URL: blob:https://www.duolingo.com/e3348223-d185-47e8-88f8-54208281a02f
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: BLOB
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 848fe19ed492948709b881f504ce2eb6274baa694606ca88eb9b2990a2460caf

Request headers

accept-language: en-GB,en;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

Content-Length: 185
Content-Type: application/javascript

GET
H2 200 en.json Show response
cdn.cookielaw.org/consent/55a7f100-001e-4085-87ec-1a6d522f7d67/e43d2735-b44f-43da-ae8a-a4f881b04152/ 82 KB
18 KB 39ms
39ms Fetch
application/x-javascript 2606:4700::6810:9540
CLOUDFLARENET

General

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Full URL

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

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-f8589a03.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:9540 , 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: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

x-ms-blob-type: BlockBlob
date: Thu, 03 Nov 2022 10:13:33 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: J0H0VuFGl+HMoVUJCAFrFA==
age: 11772
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-length: 18586
x-ms-lease-status: unlocked
last-modified: Tue, 29 Mar 2022 21:27:02 GMT
server: cloudflare
etag: 0x8DA11CADDD9A68A
vary: Accept-Encoding
content-type: application/x-javascript
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cache-control: public, max-age=14400
x-ms-version: 2009-09-19
accept-ranges: bytes
cf-ray: 7644568298f48e24-LHR
expires: Thu, 03 Nov 2022 14:13:33 GMT

GET
H2 200 analytics.js Show response
www.google-analytics.com/ 49 KB
20 KB 128ms
40ms Script
text/javascript 2a00:1450:4001:812::200e
GOOGLE

General

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Full URL

https://www.google-analytics.com/analytics.js

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-TX6Z97C

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:812::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

b42e4a056cb5b80c5a315040826866445ec9332f0749e184509ab2d9d3b86719

Security Headers

Name	Value
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X-Content-Type-Options	nosniff

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

strict-transport-security: max-age=10886400; includeSubDomains; preload
content-encoding: gzip
x-content-type-options: nosniff
date: Thu, 03 Nov 2022 09:24:49 GMT
last-modified: Tue, 27 Sep 2022 22:01:05 GMT
server: Golfe2
age: 2924
vary: Accept-Encoding
content-type: text/javascript
cache-control: public, max-age=7200
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 20039
expires: Thu, 03 Nov 2022 11:24:49 GMT

GET
H2 200 / Show response
www.googleadservices.com/pagead/conversion/397119219/ 2 KB
2 KB 157ms
54ms Script
text/javascript 142.250.181.226
GOOGLE

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Full URL

https://www.googleadservices.com/pagead/conversion/397119219/?random=1667470413222&cv=11&fst=1667470413222&bg=ffffff&guid=ON&async=1&gtm=2wgav0&u_w=1600&u_h=1200&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&value=1&bttype=purchase&auid=303404209.1667470413&rfmt=3&fmt=4

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-TX6Z97C

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

142.250.181.226 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

fra16s56-in-f2.1e100.net

Software

cafe /

Resource Hash

d6e98b17e17ca50f86fe71e16059f3849cbee2a5baaae428471d9fefebb13576

Security Headers

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

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

pragma: no-cache
date: Thu, 03 Nov 2022 10:13:33 GMT
content-encoding: gzip
x-content-type-options: nosniff
server: cafe
content-type: text/javascript; charset=UTF-8
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, must-revalidate
cross-origin-resource-policy: cross-origin
content-disposition: attachment; filename="f.txt"
timing-allow-origin: *
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content-length: 1349
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 fbevents.js Show response
connect.facebook.net/en_US/ 103 KB
28 KB 134ms
42ms Script
application/x-javascript 2a03:2880:f01c:8012:face:b00c:0:3
FACEBOOK

General

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Full URL

https://connect.facebook.net/en_US/fbevents.js

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a03:2880:f01c:8012:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),

Reverse DNS

Software

Resource Hash

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Security Headers

Name	Value
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Strict-Transport-Security	max-age=31536000; preload; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	0

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

content-security-policy: default-src * data: blob: 'self';script-src *.facebook.com *.fbcdn.net *.facebook.net *.google-analytics.com *.google.com 127.0.0.1:* 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' *;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net wss://*.facebook.com:* wss://*.whatsapp.com:* wss://*.fbcdn.net attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self';block-all-mixed-content;upgrade-insecure-requests;
content-encoding: gzip
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; preload; includeSubDomains
date: Thu, 03 Nov 2022 10:13:33 GMT
document-policy: force-load-at-top
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
content-length: 27337
x-fb-rlafr: 0
x-xss-protection: 0
pragma: public
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x-fb-trip-id: 686109401
cross-origin-opener-policy: same-origin-allow-popups
vary: Accept-Encoding
x-frame-options: DENY
content-type: application/x-javascript; charset=utf-8
cache-control: public, max-age=1200
expires: Sat, 01 Jan 2000 00:00:00 GMT

GET
H2 200 adalyser.js Show response
c0.adalyser.com/ 35 KB
12 KB 182ms
79ms Script
application/javascript 54.220.223.247
AMAZON-02

General

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Full URL: https://c0.adalyser.com/adalyser.js?cid=duolingo
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 54.220.223.247 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS: ec2-54-220-223-247.eu-west-1.compute.amazonaws.com
Software: / Express
Resource Hash: c1b356f3f76ac3ce3f19997f63fa181cb9d05cd531eb1ee612ce69a2a57fa56f

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date: Thu, 03 Nov 2022 10:13:33 GMT
content-encoding: gzip
x-powered-by: Express
etag: "60b9cf4ef4ac6dab5294025f3c443ba3cca92451"
p3p: CP="ADMa OUR IND DSP NON COR"
access-control-allow-origin: *
content-type: application/javascript
cache-control: public, max-age=21600
access-control-allow-credentials: true
access-control-allow-headers: origin, content-type, accept
content-length: 12183

GET
H/1.1

200
OK

cnv
cnv.event.prod.bidr.io/log/
Redirect Chain

https://pixel.pointmediatracker.com/kpi?c=duolingo&kpi=visit&tag_id=111&fpc=986266e7-f08b-46d6-8a83-43e58a5b4299&utm_source=undefined&utm_medium=undefined&utm_campaign=undefined&gtmcb=1637752773
https://cnv.event.prod.bidr.io/log/cnv?tag_id=111&buzz_key=blisspoint&value=duolingo&segment_key=&order=abc4a498-aa5d-4a19-9aa3-1d8db31ffa35.null&ord=2330577743784667904
https://cnv.event.prod.bidr.io/log/cnv?tag_id=111&buzz_key=blisspoint&value=duolingo&segment_key=&order=abc4a498-aa5d-4a19-9aa3-1d8db31ffa35.null&ord=2330577743784667904&_bee_ppp=1

43 B
796 B

41ms
41ms

Image
image/gif

54.155.71.126
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://cnv.event.prod.bidr.io/log/cnv?tag_id=111&buzz_key=blisspoint&value=duolingo&segment_key=&order=abc4a498-aa5d-4a19-9aa3-1d8db31ffa35.null&ord=2330577743784667904&_bee_ppp=1

Protocol

HTTP/1.1

Server

54.155.71.126 Dublin, Ireland, ASN16509 (AMAZON-02, US),

Reverse DNS

ec2-54-155-71-126.eu-west-1.compute.amazonaws.com

Software

gunicorn /

Resource Hash

dcecab1355b5c2b9ecef281322bf265ac5840b4688748586e9632b473a5fe56b

Security Headers

Name	Value
Strict-Transport-Security	max-age=2592000; includeSubDomains

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

pragma: no-cache
Date: Thu, 03 Nov 2022 10:13:34 GMT
strict-transport-security: max-age=2592000; includeSubDomains
Server: gunicorn
content-type: image/gif
p3p: CP="This is not a P3P policy! See https://beeswax.com/privacy for more info."
cache-control: no-cache, must-revalidate
Connection: keep-alive
Content-Length: 43
expires: Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

location: https://cnv.event.prod.bidr.io/log/cnv?tag_id=111&buzz_key=blisspoint&value=duolingo&segment_key=&order=abc4a498-aa5d-4a19-9aa3-1d8db31ffa35.null&ord=2330577743784667904&_bee_ppp=1
Date: Thu, 03 Nov 2022 10:13:34 GMT
strict-transport-security: max-age=2592000; includeSubDomains
Server: gunicorn
Connection: keep-alive
Content-Length: 0

GET
H2 200 otFlat.json Show response
cdn.cookielaw.org/scripttemplates/6.16.0/assets/ 12 KB
3 KB 38ms
38ms Fetch
application/json 2606:4700::6810:9540
CLOUDFLARENET

General

Check archive.org

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/3496-f8589a03.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:9540 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

eb1fa7363d6e4772f7c49d67f031d68f209e66de6c3c05aade6fdc57a02505c1

Security Headers

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

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

x-ms-blob-type: BlockBlob
date: Thu, 03 Nov 2022 10:13:33 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: DKM3/i+7h7Fs8cEMor3s2A==
age: 5810
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: cd3f26a2-501e-006c-7442-ca7335000000
access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control: max-age=14400
x-ms-version: 2009-09-19
accept-ranges: bytes
cf-ray: 76445682f9638e24-LHR

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 129ms
129ms XHR
text/plain 23.21.32.195
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/3496-f8589a03.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-21-32-195.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36
Content-type: application/json

Response headers

date: Thu, 03 Nov 2022 10:13:33 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain; charset=ISO-8859-1
access-control-allow-origin: *
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 34

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 116ms
116ms Preflight 23.21.32.195
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: 23.21.32.195 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-21-32-195.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 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: Thu, 03 Nov 2022 10:13:33 GMT
server: Jetty(9.2.z-SNAPSHOT)

POST
H2 200 collect Show response
www.google-analytics.com/j/ 2 B
208 B 52ms
52ms XHR
text/plain 2a00:1450:4001:812::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google-analytics.com/j/collect?v=1&_v=j98&a=643557763&t=pageview&_s=1&dl=https%3A%2F%2Fwww.duolingo.com%2F&ul=en-us&de=UTF-8&dt=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YEBAAEABAAAAACgAI~&jid=486821480&gjid=1774520996&cid=1821202795.1667470413&tid=UA-21595814-1&_gid=197021351.1667470413&_r=1&gtm=2wgav0TX6Z97C&did=i5iSjo&z=904061566

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-f8589a03.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:812::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

de3246094525b21a870fc7d2a67490d0132535c6fa5993755c549f1a9d1bd8af

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://www.duolingo.com/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
date: Thu, 03 Nov 2022 10:13:33 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://www.duolingo.com
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 2
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 collect
www.google-analytics.com/ 35 B
132 B 41ms
41ms Image
image/gif 2a00:1450:4001:812::200e
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google-analytics.com/collect?v=1&_v=j98&a=643557763&t=timing&_s=2&dl=https%3A%2F%2Fwww.duolingo.com%2F&ul=en-us&de=UTF-8&dt=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&plt=1357&pdt=1&dns=6&rrt=232&srt=150&tcp=227&dit=767&clt=1121&_gbt=1513&_cst=985&_cbt=1347&_u=YEBAAEABAAAAACgAI~&jid=&gjid=&cid=1821202795.1667470413&tid=UA-21595814-1&_gid=197021351.1667470413&gtm=2wgav0TX6Z97C&did=i5iSjo&z=2079453293

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:812::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

pragma: no-cache
date: Thu, 03 Nov 2022 07:02:57 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
age: 11436
content-type: image/gif
access-control-allow-origin: *
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 35
expires: Mon, 01 Jan 1990 00:00:00 GMT

GET
H2

200

/
www.google.co.uk/pagead/1p-conversion/397119219/
Redirect Chain

https://googleads.g.doubleclick.net/pagead/viewthroughconversion/397119219/?random=831806514&cv=11&fst=1667470413222&bg=ffffff&guid=ON&async=1&gtm=2wgav0&u_w=1600&u_h=1200&label=k0ETCJGBvf0BEPOdrr0...
https://www.google.com/pagead/1p-conversion/397119219/?random=831806514&cv=11&fst=1667470413222&bg=ffffff&guid=ON&async=1&gtm=2wgav0&u_w=1600&u_h=1200&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadserv...
https://www.google.co.uk/pagead/1p-conversion/397119219/?random=831806514&cv=11&fst=1667470413222&bg=ffffff&guid=ON&async=1&gtm=2wgav0&u_w=1600&u_h=1200&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadse...

42 B
154 B

63ms
63ms

Image
image/gif

2a00:1450:4001:827::2003
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.co.uk/pagead/1p-conversion/397119219/?random=831806514&cv=11&fst=1667470413222&bg=ffffff&guid=ON&async=1&gtm=2wgav0&u_w=1600&u_h=1200&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&value=1&auid=303404209.1667470413&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&pscrd=EkxDaEFJOE0yTm13WVFpSzczNnV1U2k5Rk5FaVVBM1R2MnQwclBIVE9Fb0F3NE5lcGN2Z0VDYjNGdmlZLUxHYXNlNU95V1Z4elcyM0Q0GlhDaEVJOE0yTm13WVE5dVRQMXJpOG1QUDFBUkl0QU5IU1pDZ0gyZUpCQnVzSG5Qdm9JQmNyTXhYN3BMZFVOV1ZVajhGMmctU2h1VW0tUkJReHFBMXp3Sjkw&is_vtc=1&ocp_id=TZRjY77QFa3bmwfxmZrQAQ&eitems=ChEI8M2NmwYQ0ry55cL74MLhARIdAJw8BOAbrCwKM-xMbnPMu61tsU6sw4Mje5SiYcw&random=117392065&ipr=y&prhg=0

Protocol

Server

2a00:1450:4001:827::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

Name	Value
Content-Security-Policy	script-src 'none'; object-src 'none'
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

pragma: no-cache
date: Thu, 03 Nov 2022 10:13:33 GMT
content-security-policy: script-src 'none'; object-src 'none'
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

pragma: no-cache
date: Thu, 03 Nov 2022 10:13:33 GMT
content-security-policy: script-src 'none'; object-src 'none'
x-content-type-options: nosniff
server: cafe
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
location: https://www.google.co.uk/pagead/1p-conversion/397119219/?random=831806514&cv=11&fst=1667470413222&bg=ffffff&guid=ON&async=1&gtm=2wgav0&u_w=1600&u_h=1200&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&value=1&auid=303404209.1667470413&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&pscrd=EkxDaEFJOE0yTm13WVFpSzczNnV1U2k5Rk5FaVVBM1R2MnQwclBIVE9Fb0F3NE5lcGN2Z0VDYjNGdmlZLUxHYXNlNU95V1Z4elcyM0Q0GlhDaEVJOE0yTm13WVE5dVRQMXJpOG1QUDFBUkl0QU5IU1pDZ0gyZUpCQnVzSG5Qdm9JQmNyTXhYN3BMZFVOV1ZVajhGMmctU2h1VW0tUkJReHFBMXp3Sjkw&is_vtc=1&ocp_id=TZRjY77QFa3bmwfxmZrQAQ&eitems=ChEI8M2NmwYQ0ry55cL74MLhARIdAJw8BOAbrCwKM-xMbnPMu61tsU6sw4Mje5SiYcw&random=117392065&ipr=y&prhg=0
content-type: image/gif
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 1735692093320310 Show response
connect.facebook.net/signals/config/ 293 KB
84 KB 42ms
41ms Script
application/x-javascript 2a03:2880:f01c:8012:face:b00c:0:3
FACEBOOK

General

Check archive.org

Show headers Download Go to

Full URL

https://connect.facebook.net/signals/config/1735692093320310?v=2.9.89&r=stable

Requested by

Host: connect.facebook.net
URL: https://connect.facebook.net/en_US/fbevents.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a03:2880:f01c:8012:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),

Reverse DNS

Software

Resource Hash

a1763f1d8f479ea43b65fb3179515c4d115bdf432524d43350f6b2d026bcc119

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; preload; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	0

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

strict-transport-security: max-age=31536000; preload; includeSubDomains
content-encoding: gzip
x-content-type-options: nosniff
date: Thu, 03 Nov 2022 10:13:33 GMT
document-policy: force-load-at-top
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
content-length: 86248
x-fb-rlafr: 0
x-xss-protection: 0
pragma: public
x-fb-debug: 4IYsUvwb7zWqu7GE1qLSq+8GJmaZkdL2gOB9zAskPn5gUjfShiNuHTqaYnWY8hKu1+rKUnMR0xb5nFG079qnAQ==
x-fb-trip-id: 686109401
cross-origin-opener-policy: same-origin-allow-popups
vary: Accept-Encoding
x-frame-options: DENY
content-type: application/x-javascript; charset=utf-8
cache-control: public, max-age=1200
expires: Sat, 01 Jan 2000 00:00:00 GMT

GET
H2 200 p
c0.adalyser.com/tracking/track/v3/ 43 B
341 B 41ms
40ms Image
image/gif 54.220.223.247
AMAZON-02

General

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Show headers Download Go to Show image

Full URL: https://c0.adalyser.com/tracking/track/v3/p?stm=1667470413432&e=lce1&url=https%3A%2F%2Fwww.duolingo.com%2F&cid=duolingo&p=%7B%22et%22%3A1667470413430%2C%22nr%22%3A%22New%22%2C%22cg%22%3A%22Direct%22%2C%22dt%22%3A%22desktop%22%2C%22so%22%3A%22direct%22%2C%22me%22%3A%22none%22%2C%22ca%22%3A%22direct%22%2C%22co%22%3A%22(not%20set)%22%2C%22ke%22%3A%22(not%20set)%22%2C%22vid%22%3A%221%22%2C%22sid%22%3A%22721c544c-95fb-42a0-a250-afc8a9406782%22%2C%22duid%22%3A%22b012be78-7aac-41ea-a58f-6880094bc2d0%22%2C%22cw%22%3A1667470413430%7D&userAgent=Mozilla%2F5.0%20(Windows%20NT%2010.0%3B%20Win64%3B%20x64)%20AppleWebKit%2F537.36%20(KHTML%2C%20like%20Gecko)%20Chrome%2F107.0.5304.87%20Safari%2F537.36&domain=www.duolingo.com
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 54.220.223.247 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS: ec2-54-220-223-247.eu-west-1.compute.amazonaws.com
Software: / Express
Resource Hash: a065920df8cc4016d67c3a464be90099c9d28ffe7c9e6ee3a18f257efc58cbd7

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

pragma: no-cache
date: Thu, 03 Nov 2022 10:13:33 GMT
x-powered-by: Express
etag: W/"2b-B//0C13UlayirE4cP7xgqg"
p3p: CP="ADMa OUR IND DSP NON COR"
access-control-allow-origin: *
content-type: image/gif
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
access-control-allow-headers: origin, content-type, accept
content-length: 43
expires: 0

POST
H2 200 collect Show response
stats.g.doubleclick.net/j/ 7 B
446 B 106ms
35ms XHR
text/plain 2a00:1450:400c:c00::9d
GOOGLE

General

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Full URL

https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j98&tid=UA-21595814-1&cid=1821202795.1667470413&jid=486821480&gjid=1774520996&_gid=197021351.1667470413&_u=YEBAAEAAAAAAACgAI~&z=1058440855

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-f8589a03.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:400c:c00::9d Brussels, Belgium, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

3c25b077a6d92cd9d3576660b68c4c0bd135b78b3cd3b66491ff2c7aa0eeaad3

Security Headers

Name	Value
Strict-Transport-Security	max-age=10886400; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

Referer: https://www.duolingo.com/
accept-language: en-GB,en;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
strict-transport-security: max-age=10886400; includeSubDomains; preload
date: Thu, 03 Nov 2022 10:13:33 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://www.duolingo.com
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 7
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 /
www.facebook.com/tr/ 0
185 B 132ms
42ms Image
text/plain 2a03:2880:f11c:8183:face:b00c:0:25de
FACEBOOK

General

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Full URL

https://www.facebook.com/tr/?id=1735692093320310&ev=PageView&dl=https%3A%2F%2Fwww.duolingo.com%2F&rl=&if=false&ts=1667470413509&sw=1600&sh=1200&v=2.9.89&r=stable&ec=0&o=29&fbp=fb.1.1667470413508.1718250794&it=1667470413397&coo=false&rqm=GET

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a03:2880:f11c:8183:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),

Reverse DNS

Software

proxygen-bolt /

Resource Hash

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

strict-transport-security: max-age=31536000; includeSubDomains
date: Thu, 03 Nov 2022 10:13:33 GMT
server: proxygen-bolt
content-type: text/plain
access-control-allow-origin
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
content-length: 0

GET
H2 200 ga-audiences
www.google.com/ads/ 42 B
107 B 147ms
67ms Image
image/gif 2a00:1450:4001:801::2004
GOOGLE

General

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Full URL

https://www.google.com/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j98&tid=UA-21595814-1&cid=1821202795.1667470413&jid=486821480&_u=YEBAAEAAAAAAACgAI~&z=1743415906

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:801::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

pragma: no-cache
date: Thu, 03 Nov 2022 10:13:33 GMT
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 ga-audiences
www.google.co.uk/ads/ 42 B
501 B 161ms
69ms Image
image/gif 2a00:1450:4001:827::2003
GOOGLE

General

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Full URL

https://www.google.co.uk/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j98&tid=UA-21595814-1&cid=1821202795.1667470413&jid=486821480&_u=YEBAAEAAAAAAACgAI~&z=1743415906

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:827::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

accept-language: en-GB,en;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

pragma: no-cache
date: Thu, 03 Nov 2022 10:13:33 GMT
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
BLOB 200
OK 15ef24fb-b521-4c2b-affc-68e1a2071125
https://www.duolingo.com/ 787 B
0 Other
text/plain

General

Check archive.org

Show headers Download Go to

Full URL: blob:https://www.duolingo.com/15ef24fb-b521-4c2b-affc-68e1a2071125
Protocol: BLOB
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 7bc3936462ee19be8ae070945fd0218f452ba7d328bc67af569c8a9cc898c617

Request headers

accept-language: en-GB,en;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

Content-Length: 787

Verdicts & Comments Add Verdict or Comment

106 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.

25 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/	1970-01-20 15:56:46	Name: logged_out_uuid Value: 281e2441-3ca3-40ed-87a2-411335b7760a
.duolingo.com/	1970-01-20 15:56:46	Name: lang Value: en
www.duolingo.com/	1969-12-31 23:59:59	Name: wuuid Value: b47d033a-37e2-42f6-8215-236ae75cc581
.duolingo.com/	1970-01-20 15:56:46	Name: tsl Value: 1667470412886
.duolingo.com/	1970-01-20 15:56:46	Name: lu Value: https://www.duolingo.com/
.duolingo.com/	1970-01-20 15:56:46	Name: initial_referrer Value: $direct
.duolingo.com/	1970-01-20 15:56:46	Name: lr Value:
.duolingo.com/	1970-01-20 15:56:46	Name: lp Value: splash
.duolingo.com/	1970-01-20 09:20:46	Name: _gcl_au Value: 1.1.303404209.1667470413
www.duolingo.com/	1970-01-20 07:21:15	Name: FPC Value: 986266e7-f08b-46d6-8a83-43e58a5b4299
.duolingo.com/	1970-01-20 11:30:22	Name: OptanonConsent Value: isGpcEnabled=0&datestamp=Thu+Nov+03+2022+10%3A13%3A33+GMT%2B0000+(GMT)&version=6.16.0&isIABGlobal=false&consentId=d0ccae6b-7340-487c-9b82-006a72c8a4dc&interactionCount=0&landingPath=https%3A%2F%2Fwww.duolingo.com%2F&groups=C0001%3A1%2CC0002%3A0%2CC0003%3A0%2CC0004%3A0&hosts=H3%3A1%2CH14%3A1%2CH11%3A0%2CH1%3A0%2CH15%3A0%2CH6%3A0%2CH22%3A0%2CH2%3A0%2CH7%3A0%2CH16%3A0%2CH9%3A0%2CH18%3A0%2CH10%3A0%2CH12%3A0%2CH13%3A0
.duolingo.com/	1970-01-20 16:47:10	Name: _ga Value: GA1.2.1821202795.1667470413
.duolingo.com/	1970-01-20 07:12:36	Name: _gid Value: GA1.2.197021351.1667470413
.duolingo.com/	1970-01-20 07:11:10	Name: _gat_UA-21595814-1 Value: 1
.duolingo.com/	1970-01-20 07:11:12	Name: __adal_ses Value: *
.duolingo.com/	1970-01-20 16:47:10	Name: __adal_id Value: b012be78-7aac-41ea-a58f-6880094bc2d0.1667470413.1.1667470413.1667470413.721c544c-95fb-42a0-a250-afc8a9406782
.duolingo.com/	1970-01-20 11:30:22	Name: __adal_ca Value: so%3Ddirect%26me%3Dnone%26ca%3Ddirect%26co%3D%28not%2520set%29%26ke%3D%28not%2520set%29
.duolingo.com/	1970-01-20 07:21:15	Name: __adal_cw Value: 1667470413430
.duolingo.com/	1970-01-20 09:20:46	Name: _fbp Value: fb.1.1667470413508.1718250794
.doubleclick.net/	1970-01-20 07:11:11	Name: test_cookie Value: CheckForPermission
www.duolingo.com/	1970-01-20 07:21:15	Name: AWSALB Value: BFqRIlBR/cx6XDPndxCo0h1leEkXt0F/KOm2FRwYsIri6ueHHGn3VSuzQRlqrB4aWjt2bDvmVuCZRoZa4JBiNwxhUR+6w1+B7gYSZApCJfUzeLvzcwN+fmIbExLv
www.duolingo.com/	1970-01-20 07:21:15	Name: AWSALBCORS Value: BFqRIlBR/cx6XDPndxCo0h1leEkXt0F/KOm2FRwYsIri6ueHHGn3VSuzQRlqrB4aWjt2bDvmVuCZRoZa4JBiNwxhUR+6w1+B7gYSZApCJfUzeLvzcwN+fmIbExLv
.pointmediatracker.com/	1970-01-20 15:56:46	Name: c Value: 400c5c6b-fbbb-4c10-a82c-2e2b942fc699
.bidr.io/	1970-01-20 16:39:44	Name: bito Value: AACRHE7GxykAAEHw4I82kQ
.bidr.io/	1970-01-20 16:39:44	Name: bitoIsSecure Value: ok

4 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
worker	error	URL: blob:https://www.duolingo.com/e3348223-d185-47e8-88f8-54208281a02f Message: Mixed Content: The page at 'blob:https://www.duolingo.com/e3348223-d185-47e8-88f8-54208281a02f' was loaded over HTTPS, but requested an insecure XMLHttpRequest endpoint 'chrome-extension://eppiocemhmnlbhjplcgkofciiegomcon/content/safecheck-notification/notification-iframe/index.html'. This request has been blocked; the content must be served over HTTPS.
worker	error	URL: blob:https://www.duolingo.com/e3348223-d185-47e8-88f8-54208281a02f Message: Mixed Content: The page at 'blob:https://www.duolingo.com/e3348223-d185-47e8-88f8-54208281a02f' was loaded over HTTPS, but requested an insecure XMLHttpRequest endpoint 'chrome-extension://cplklnmnlbnpmjogncfgfijoopmnlemp/skin/logo24.png'. This request has been blocked; the content must be served over HTTPS.
network	error	URL: https://brb.duolingo.com/0/web.json?user=0&ts=1667470413&tzoffset=0 Message: Failed to load resource: the server responded with a status of 404 ()
network	error	URL: https://zombie.duolingo.com/0/web.json?user=0&ts=1667470413&tzoffset=0 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.

brb.duolingo.com
c0.adalyser.com
cdn.cookielaw.org
cnv.event.prod.bidr.io
connect.facebook.net
d35aaqx5ub95lt.cloudfront.net
duolingo.com
excess.duolingo.com
geolocation.onetrust.com
googleads.g.doubleclick.net
pixel.pointmediatracker.com
s.lmepbq.com
stats.g.doubleclick.net
stories.duolingo.com
www.duolingo.com
www.facebook.com
www.google-analytics.com
www.google.co.uk
www.google.com
www.googleadservices.com
www.googletagmanager.com
zombie.duolingo.com
13.224.189.121
13.224.189.48
142.250.181.226
18.203.131.238
23.21.32.195
2600:9000:21f3:9600:7:60cd:e840:21
2606:4700:4400::6812:2962
2606:4700::6810:9540
2a00:1450:4001:801::2004
2a00:1450:4001:802::2002
2a00:1450:4001:806::2008
2a00:1450:4001:812::200e
2a00:1450:4001:827::2003
2a00:1450:400c:c00::9d
2a03:2880:f01c:8012:face:b00c:0:3
2a03:2880:f11c:8183:face:b00c:0:25de
34.211.121.27
52.2.134.58
52.55.34.154
54.155.71.126
54.165.40.136
54.220.223.247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www.duolingo.com Open in urlscan Pro 52.55.34.154 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

89 Requests

96 %HTTPS

50 %IPv6

16 Domains

22 Subdomains

20 IPs

4 Countries

1121 kBTransfer

3630 kBSize

25 Cookies

50 Outgoing links

Page URL History

Redirected requests

89 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

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www.duolingo.com Open in urlscan Pro
52.55.34.154 Public Scan

Screenshot
Live screenshot

Full Image

89
Requests

96 %
HTTPS

50 %
IPv6

16
Domains

22
Subdomains

20
IPs

4
Countries

1121 kB
Transfer

3630 kB
Size

25
Cookies

89 HTTP transactions
0 data transactions