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

Go To Rescan
Add Verdict Report

Submitted URL:
http://coinbase.render-se.scmtest-duolingo-sg-dev.duolingo.com/
Effective URL:
https://www.duolingo.com/
Submission: On November 12 via api (November 12th 2022, 3:31:24 am UTC) from US — Scanned from SE

Summary HTTP 81 Redirects Links 50 Behaviour Indicators

Summary

This website contacted 19 IPs in 4 countries across 14 domains to perform 81 HTTP transactions. The main IP is 52.205.114.87, 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 19853.
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)
4	52.205.114.87 52.205.114.87	14618 (AMAZON-AES) (AMAZON-AES)
5	104.16.148.64 104.16.148.64	13335 (CLOUDFLAR...) (CLOUDFLARENET)
4	34.243.93.43 34.243.93.43	16509 (AMAZON-02) (AMAZON-02)
30	18.66.242.140 18.66.242.140	16509 (AMAZON-02) (AMAZON-02)
1	172.64.146.158 172.64.146.158	13335 (CLOUDFLAR...) (CLOUDFLARENET)
18	35.170.169.12 35.170.169.12	14618 (AMAZON-AES) (AMAZON-AES)
1	142.250.185.168 142.250.185.168	15169 (GOOGLE) (GOOGLE)
2	44.194.24.178 44.194.24.178	14618 (AMAZON-AES) (AMAZON-AES)
1	143.204.215.58 143.204.215.58	16509 (AMAZON-02) (AMAZON-02)
1	99.86.4.63 99.86.4.63	16509 (AMAZON-02) (AMAZON-02)
2	142.250.186.174 142.250.186.174	15169 (GOOGLE) (GOOGLE)
1 2	142.250.186.162 142.250.186.162	15169 (GOOGLE) (GOOGLE)
2	157.240.20.19 157.240.20.19	32934 (FACEBOOK) (FACEBOOK)
2	52.30.85.81 52.30.85.81	16509 (AMAZON-02) (AMAZON-02)
1 2	142.250.186.164 142.250.186.164	15169 (GOOGLE) (GOOGLE)
2	172.217.18.3 172.217.18.3	15169 (GOOGLE) (GOOGLE)
1	74.125.140.156 74.125.140.156	15169 (GOOGLE) (GOOGLE)
1	157.240.20.35 157.240.20.35	32934 (FACEBOOK) (FACEBOOK)
81	19

1 54.165.40.136 (United States) 1 redirects

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

coinbase.render-se.scmtest-duolingo-sg-dev.duolingo.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 52.205.114.87 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-52-205-114-87.compute-1.amazonaws.com

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

5 104.16.148.64 (Shahr, Iran, Islamic Republic Of)

ASN13335 (CLOUDFLARENET, US)

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

4 34.243.93.43 (Dublin, Ireland)

ASN16509 (AMAZON-02, US)
PTR: ec2-34-243-93-43.eu-west-1.compute.amazonaws.com

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

30 18.66.242.140 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-66-242-140.dus51.r.cloudfront.net

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

1 172.64.146.158 (United States)

ASN13335 (CLOUDFLARENET, US)

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

18 35.170.169.12 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-35-170-169-12.compute-1.amazonaws.com

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

1 142.250.185.168 (United States)

ASN15169 (GOOGLE, US)
PTR: fra16s51-in-f8.1e100.net

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

2 44.194.24.178 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-44-194-24-178.compute-1.amazonaws.com

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

1 143.204.215.58 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-143-204-215-58.fra53.r.cloudfront.net

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

1 99.86.4.63 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-99-86-4-63.fra6.r.cloudfront.net

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

2 142.250.186.174 (United States)

ASN15169 (GOOGLE, US)
PTR: fra24s08-in-f14.1e100.net

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

2 142.250.186.162 (United States) 1 redirects

ASN15169 (GOOGLE, US)
PTR: fra24s08-in-f2.1e100.net

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

2 157.240.20.19 (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)
PTR: xx-fbcdn-shv-02-frt3.fbcdn.net

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

2 52.30.85.81 (Dublin, Ireland)

ASN16509 (AMAZON-02, US)
PTR: ec2-52-30-85-81.eu-west-1.compute.amazonaws.com

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

2 142.250.186.164 (United States) 1 redirects

ASN15169 (GOOGLE, US)
PTR: fra24s08-in-f4.1e100.net

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

2 172.217.18.3 (United States)

ASN15169 (GOOGLE, US)
PTR: fra24s22-in-f3.1e100.net

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

1 74.125.140.156 (United States)

ASN15169 (GOOGLE, US)
PTR: wq-in-f156.1e100.net

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

1 157.240.20.35 (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)
PTR: edge-star-mini-shv-02-frt3.facebook.com

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

	Apex Domain Subdomains	Transfer
30	cloudfront.net d35aaqx5ub95lt.cloudfront.net	661 KB
27	duolingo.com 1 redirects coinbase.render-se.scmtest-duolingo-sg-dev.duolingo.com www.duolingo.com — Cisco Umbrella Rank: 19853 excess.duolingo.com — Cisco Umbrella Rank: 12486 stories.duolingo.com — Cisco Umbrella Rank: 16062 brb.duolingo.com — Cisco Umbrella Rank: 11746 zombie.duolingo.com — Cisco Umbrella Rank: 13033	17 KB
5	cookielaw.org cdn.cookielaw.org — Cisco Umbrella Rank: 410	115 KB
4	lmepbq.com s.lmepbq.com — Cisco Umbrella Rank: 36043	62 KB
2	google.se www.google.se — Cisco Umbrella Rank: 24554	655 B
2	google.com 1 redirects www.google.com — Cisco Umbrella Rank: 2	1 KB
2	doubleclick.net 1 redirects googleads.g.doubleclick.net — Cisco Umbrella Rank: 41 stats.g.doubleclick.net — Cisco Umbrella Rank: 78	2 KB
2	adalyser.com c0.adalyser.com — Cisco Umbrella Rank: 30189	13 KB
2	facebook.net connect.facebook.net — Cisco Umbrella Rank: 139	112 KB
2	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 36	20 KB
1	facebook.com www.facebook.com — Cisco Umbrella Rank: 106	185 B
1	googleadservices.com www.googleadservices.com — Cisco Umbrella Rank: 160	2 KB
1	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 53	85 KB
1	onetrust.com geolocation.onetrust.com — Cisco Umbrella Rank: 690	314 B
81	14

	Domain	Requested by
30	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 d35aaqx5ub95lt.cloudfront.net
4	www.duolingo.com	d35aaqx5ub95lt.cloudfront.net
2	www.google.se
2	www.google.com	1 redirects
2	c0.adalyser.com	www.duolingo.com
2	connect.facebook.net	www.duolingo.com connect.facebook.net
2	www.google-analytics.com	www.googletagmanager.com d35aaqx5ub95lt.cloudfront.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	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	coinbase.render-se.scmtest-duolingo-sg-dev.duolingo.com	1 redirects
81	20

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	`2022-10-25` - `2023-01-17`	3 months	crt.sh
www.googleadservices.com GTS CA 1C3	`2022-10-25` - `2023-01-17`	3 months	crt.sh
*.facebook.com DigiCert SHA2 High Assurance Server CA	`2022-08-21` - `2022-11-19`	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	`2022-11-02` - `2023-01-25`	3 months	crt.sh
www.google.com GTS CA 1C3	`2022-10-25` - `2023-01-17`	3 months	crt.sh
*.google.se GTS CA 1C3	`2022-10-25` - `2023-01-17`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://www.duolingo.com/
Frame ID: 6F2EF9F03CD9F9BBF9D5C78652A06229
Requests: 70 HTTP requests in this frame

Frame: blob://https://www.duolingo.com/b7eb1355-4dfe-41eb-9126-7299f0d5d7a0
Frame ID: 601684983A5D6AE0F07A057F4AA86049
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://coinbase.render-se.scmtest-duolingo-sg-dev.duolingo.com/ HTTP 302
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

81
Requests

96 %
HTTPS

0 %
IPv6

14
Domains

20
Subdomains

19
IPs

4
Countries

1089 kB
Transfer

3529 kB
Size

22
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://coinbase.render-se.scmtest-duolingo-sg-dev.duolingo.com/ HTTP 302
https://www.duolingo.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 73

https://googleads.g.doubleclick.net/pagead/viewthroughconversion/397119219/?random=2032234789&cv=11&fst=1668223879564&bg=ffffff&guid=ON&async=1&gtm=2wgb90&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=2033158406.1668223880&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&ocp_id=hxNvY-6mLcfO1gaLspSwDg&sscte=1&crd=&eitems=ChEIgIK4mwYQ9fa3i53Hwa3MARIdAAeLe4OkgNxPGOrfjR_1GyfapH7yBT4bV5GKsHM&pscrd=Ek9DaEVJZ0lLNG13WVEtcHVKNnZpMjNON21BUkltQUQyOVl5akdkQkpmX3BpZDZMU2dTOGRVbHZEbi1IYXQ1S1hxNjF1b3BYZzJPcDE0SEdFGlhDaEFJZ0lLNG13WVF3ZDZXdWRQeDI0Z09FaTRBeG1fVERFTWhaVE5uYWdESWcwVjkwMllMTUY1Ty1PZDZSeGdsMjFIRzNFai1waDl0TGlTeFYtbC0xelp2 HTTP 302
https://www.google.com/pagead/1p-conversion/397119219/?random=2032234789&cv=11&fst=1668223879564&bg=ffffff&guid=ON&async=1&gtm=2wgb90&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=2033158406.1668223880&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&pscrd=Ek9DaEVJZ0lLNG13WVEtcHVKNnZpMjNON21BUkltQUQyOVl5akdkQkpmX3BpZDZMU2dTOGRVbHZEbi1IYXQ1S1hxNjF1b3BYZzJPcDE0SEdFGlhDaEFJZ0lLNG13WVF3ZDZXdWRQeDI0Z09FaTRBeG1fVERFTWhaVE5uYWdESWcwVjkwMllMTUY1Ty1PZDZSeGdsMjFIRzNFai1waDl0TGlTeFYtbC0xelp2&is_vtc=1&ocp_id=hxNvY-6mLcfO1gaLspSwDg&eitems=ChEIgIK4mwYQ9fa3i53Hwa3MARIdAAeLe4NgAKgT2d68Zx005QHbw9f2YfS6AHvf1Q8&random=1928951131 HTTP 302
https://www.google.se/pagead/1p-conversion/397119219/?random=2032234789&cv=11&fst=1668223879564&bg=ffffff&guid=ON&async=1&gtm=2wgb90&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=2033158406.1668223880&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&pscrd=Ek9DaEVJZ0lLNG13WVEtcHVKNnZpMjNON21BUkltQUQyOVl5akdkQkpmX3BpZDZMU2dTOGRVbHZEbi1IYXQ1S1hxNjF1b3BYZzJPcDE0SEdFGlhDaEFJZ0lLNG13WVF3ZDZXdWRQeDI0Z09FaTRBeG1fVERFTWhaVE5uYWdESWcwVjkwMllMTUY1Ty1PZDZSeGdsMjFIRzNFai1waDl0TGlTeFYtbC0xelp2&is_vtc=1&ocp_id=hxNvY-6mLcfO1gaLspSwDg&eitems=ChEIgIK4mwYQ9fa3i53Hwa3MARIdAAeLe4NgAKgT2d68Zx005QHbw9f2YfS6AHvf1Q8&random=1928951131&ipr=y&prhg=0

81 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://coinbase.render-se.scmtest-duolingo-sg-dev.duolingo.com/
https://www.duolingo.com/

9 KB
4 KB

475ms
183ms

Document
text/html

52.205.114.87
AMAZON-AES

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Full URL

https://www.duolingo.com/

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

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Software

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Resource Hash

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Request headers

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Response headers

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Content-Type: text/html
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Location: https://www.duolingo.com/
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GET
H2 200 otSDKStub.js Show response
cdn.cookielaw.org/scripttemplates/ 21 KB
8 KB 100ms
36ms Script
application/javascript 104.16.148.64
CLOUDFLARENET

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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

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Reverse DNS

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GET
H/1.1 200
OK clear.js Show response
s.lmepbq.com/ag/891112/ 15 KB
9 KB 294ms
65ms Script
text/javascript 34.243.93.43
AMAZON-02

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Full URL

https://s.lmepbq.com/ag/891112/clear.js?ck=f2c5af9e-121a-4c95-b62c-98cd11a9c49f&spa=1&dt=8911121635444670059000&mo=2&pd=acc

Requested by

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

Protocol

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Security

TLS 1.2, ECDHE_ECDSA, AES_128_GCM

Server

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Reverse DNS

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Software

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Response headers

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GET
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d35aaqx5ub95lt.cloudfront.net/js/ 10 KB
6 KB 118ms
109ms Script
application/javascript 18.66.242.140
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-e8526029.js
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URL: https://www.duolingo.com/
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Request headers

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Response headers

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890 B 115ms
107ms Script
application/javascript 18.66.242.140
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/features-f29cd808.js
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URL: https://www.duolingo.com/
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Response headers

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12 KB 81ms
73ms Script
application/javascript 18.66.242.140
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Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/1374-596d8a2b.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
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Response headers

date: Wed, 12 Oct 2022 19:26:13 GMT
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GET
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669 B 75ms
67ms Script
application/javascript 18.66.242.140
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/polyfills-a5c3c1f6.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
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Request headers

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Response headers

date: Wed, 28 Sep 2022 19:37:41 GMT
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GET
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d35aaqx5ub95lt.cloudfront.net/js/ 401 KB
102 KB 64ms
63ms Script
application/javascript 18.66.242.140
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/9819-96e7dcc3.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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Request headers

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Response headers

date: Wed, 02 Nov 2022 19:29:48 GMT
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GET
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123ms Script
application/javascript 18.66.242.140
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Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/strings/en-1644a48e.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
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Response headers

date: Tue, 30 Aug 2022 03:45:59 GMT
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145 KB 132ms
131ms Script
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AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-829b9210.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
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Response headers

date: Wed, 02 Nov 2022 19:29:48 GMT
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193 KB 180ms
179ms Script
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AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-0716a2a0.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
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Response headers

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/3496-5bbb30ef.css
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Response headers

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/app-9ea1e8a4.css
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
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Response headers

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36ms XHR
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CLOUDFLARENET

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

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

Software

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Resource Hash

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Security Headers

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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36

Response headers

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314 B 113ms
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application/json 172.64.146.158
CLOUDFLARENET

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https://geolocation.onetrust.com/cookieconsentpub/v1/geo/location

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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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Reverse DNS

Software

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Resource Hash

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Security Headers

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Response headers

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strict-transport-security: max-age=31536000; includeSubDomains; preload
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POST
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145 B 257ms
65ms XHR
text/plain 34.243.93.43
AMAZON-02

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Full URL: https://s.lmepbq.com/2/2.81.0/891112/AaE2dLYBEPK7rsF_/postback?oz_pl=1&dt=8911121635444670059000&mo=2&pd=acc&ci=891112&ck=f2c5af9e-121a-4c95-b62c-98cd11a9c49f&spa=1&_x=1
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Response headers

Access-Control-Allow-Origin: *
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Timing-Allow-Origin: *
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Vary: Origin

GET
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OK main.js Show response
s.lmepbq.com/2/2.81.0/ 168 KB
53 KB 65ms
64ms Script
text/javascript 34.243.93.43
AMAZON-02

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https://s.lmepbq.com/2/2.81.0/main.js

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Host: s.lmepbq.com
URL: https://s.lmepbq.com/ag/891112/clear.js?ck=f2c5af9e-121a-4c95-b62c-98cd11a9c49f&spa=1&dt=8911121635444670059000&mo=2&pd=acc

Protocol

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Security

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Server

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Software

Resource Hash

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Security Headers

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Request headers

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Response headers

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AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/vendor/b391a1740855adb49e1bfc5fbe836c5c.woff2
Requested by: Host: www.duolingo.com
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Response headers

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AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/vendor/c1ebba64155e95ff69b9b3efb15c219a.woff2
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Response headers

date: Wed, 21 Sep 2022 09:10:30 GMT
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GET
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83 KB 36ms
36ms Script
application/javascript 104.16.148.64
CLOUDFLARENET

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

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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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Reverse DNS

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OPTIONS
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AMAZON-AES

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Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 35.170.169.12 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

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OPTIONS
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AMAZON-AES

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Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 35.170.169.12 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

Accept: */*
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Response headers

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GET
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www.googletagmanager.com/ 246 KB
85 KB 177ms
61ms Script
application/javascript 142.250.185.168
GOOGLE

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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-0716a2a0.js

Protocol

Security

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Response headers

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24 KB 56ms
55ms Image
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AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/477ce652444032bff811af59b1057be7.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/css/app-9ea1e8a4.css
Protocol: H2
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Response headers

date: Wed, 14 Sep 2022 20:01:59 GMT
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GET
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d35aaqx5ub95lt.cloudfront.net/images/ 6 KB
2 KB 57ms
56ms Image
image/svg+xml 18.66.242.140
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/4986531ca822d48e57b4a18f40ff5172.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/css/app-9ea1e8a4.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 18.66.242.140 , United States, ASN16509 (AMAZON-02, US),
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Response headers

date: Wed, 14 Sep 2022 21:52:00 GMT
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GET
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2 KB 55ms
54ms Image
image/svg+xml 18.66.242.140
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/331a32943ff73be28537dfc7469d5639.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/css/app-9ea1e8a4.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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AMAZON-02

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AMAZON-02

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AMAZON-02

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AMAZON-02

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AMAZON-02

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AMAZON-02

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AMAZON-02

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AMAZON-02

General

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AMAZON-02

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312 B 167ms
153ms XHR
text/plain 35.170.169.12
AMAZON-AES

General

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Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
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POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 170ms
157ms XHR
text/plain 35.170.169.12
AMAZON-AES

General

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Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
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Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: se-SE,se;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36
Content-type: application/json

Response headers

date: Sat, 12 Nov 2022 03:31:19 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 dca3b978d07a7dfc05adb1d5526e9e21.svg
d35aaqx5ub95lt.cloudfront.net/images/ 2 KB
1 KB 87ms
86ms Image
image/svg+xml 18.66.242.140
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/dca3b978d07a7dfc05adb1d5526e9e21.svg
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 18.66.242.140 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-18-66-242-140.dus51.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 937da427a3328eab0f38755cf0bee837674ecfeefec8f25f29da168828b5d354

Request headers

accept-language: se-SE,se;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/107.0.5304.110 Safari/537.36

Response headers

date: Tue, 06 Sep 2022 00:56:06 GMT
content-encoding: gzip
via: 1.1 2c4f54cad5da50a372b086710d5ffc62.cloudfront.net (CloudFront)
last-modified: Fri, 02 Sep 2022 00:30:12 GMT
server: AmazonS3
x-amz-cf-pop: DUS51-P1
age: 5798114
etag: "d2215ff5facdeb0b5d70ebc4efae5c3b"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 993
x-amz-cf-id: ZC_Gm_h9TltCKnHaiTmKzVQLSA2w0soccRF026oo_ZS9LV8PlimnLQ==

GET
H2 200 87938207afff1598611ba626a8c4827c.svg
d35aaqx5ub95lt.cloudfront.net/vendor/ 173 KB
39 KB 83ms
83ms Image
image/svg+xml 18.66.242.140
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/vendor/87938207afff1598611ba626a8c4827c.svg
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 18.66.242.140 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-18-66-242-140.dus51.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 11e07480cc6b4658ae069d6825622a15d1268350fa46761549146957bb95f580

Request headers

accept-language: se-SE,se;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/107.0.5304.110 Safari/537.36

Response headers

date: Tue, 30 Aug 2022 06:45:02 GMT
content-encoding: gzip
via: 1.1 2c4f54cad5da50a372b086710d5ffc62.cloudfront.net (CloudFront)
last-modified: Mon, 29 Aug 2022 22:00:57 GMT
server: AmazonS3
x-amz-cf-pop: DUS51-P1
age: 6381978
etag: "0ec579405fb93a7ea3455bae76261d4d"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 39497
x-amz-cf-id: 9WPmFuPxddSOJ6dc8KFhDd0wC3VaCq0ZBpB4grUt0O7vSjhtsX2-vA==

GET
H2 200 8183c77cba99daf1e900fb5f9b0cc671.svg
d35aaqx5ub95lt.cloudfront.net/images/super/ 10 KB
5 KB 88ms
88ms Image
image/svg+xml 18.66.242.140
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/super/8183c77cba99daf1e900fb5f9b0cc671.svg
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 18.66.242.140 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-18-66-242-140.dus51.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 527c16b32d79f016bca1163fc87656e19b2d6ba519cacc858ba607f0ef5054df

Request headers

accept-language: se-SE,se;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/107.0.5304.110 Safari/537.36

Response headers

date: Sun, 04 Sep 2022 01:43:52 GMT
content-encoding: gzip
via: 1.1 2c4f54cad5da50a372b086710d5ffc62.cloudfront.net (CloudFront)
last-modified: Fri, 02 Sep 2022 00:30:16 GMT
server: AmazonS3
x-amz-cf-pop: DUS51-P1
age: 5968048
etag: "90020a34c680c2ea2f24fee4285730f3"
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 4415
x-amz-cf-id: knKO7-YIHVf-K5KUV8Lqh3T5equQ88lHQdpj8_EQKC4VQNuirCbgPQ==

GET
H2 200 list Show response
www.duolingo.com/api/1/courses/ 29 KB
4 KB 300ms
300ms XHR
application/json 52.205.114.87
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL

https://www.duolingo.com/api/1/courses/list?_=1668223879248

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-829b9210.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-52-205-114-87.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

7de4c1e3c1ab36f4fc46ff874e648fa9b8e020932e8a2cd421ad131e9b45b910

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: se-SE,se;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/107.0.5304.110 Safari/537.36

Response headers

pragma: no-cache
date: Sat, 12 Nov 2022 03:31:19 GMT
content-encoding: gzip
x-runtime: 0.15412
server: duo-api
x-ws: UK
no-retry: 1
x-tid: ffff48c9636f1367005d
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: 156
expires: 0

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 395ms
141ms Preflight 35.170.169.12
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: 35.170.169.12 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-35-170-169-12.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/107.0.5304.110 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: Sat, 12 Nov 2022 03:31:19 GMT
server: Jetty(9.2.z-SNAPSHOT)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 396ms
144ms Preflight 35.170.169.12
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: 35.170.169.12 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-35-170-169-12.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/107.0.5304.110 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: Sat, 12 Nov 2022 03:31:19 GMT
server: Jetty(9.2.z-SNAPSHOT)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 394ms
142ms Preflight 35.170.169.12
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: 35.170.169.12 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-35-170-169-12.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/107.0.5304.110 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: Sat, 12 Nov 2022 03:31:19 GMT
server: Jetty(9.2.z-SNAPSHOT)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 398ms
147ms Preflight 35.170.169.12
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: 35.170.169.12 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-35-170-169-12.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/107.0.5304.110 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: Sat, 12 Nov 2022 03:31:19 GMT
server: Jetty(9.2.z-SNAPSHOT)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 395ms
145ms Preflight 35.170.169.12
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: 35.170.169.12 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-35-170-169-12.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/107.0.5304.110 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: Sat, 12 Nov 2022 03:31:19 GMT
server: Jetty(9.2.z-SNAPSHOT)

OPTIONS
H2 200 config
stories.duolingo.com/api2/ Frame 0
0 442ms
146ms Preflight 44.194.24.178
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL

https://stories.duolingo.com/api2/config?fields=courses&fromLanguage=en&_=1668223879294

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-44-194-24-178.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

Security Headers

Name	Value
X-Content-Type-Options	nosniff
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/107.0.5304.110 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
access-control-max-age: 1728000
cache-control: no-cache, no-store, max-age=0, must-revalidate
content-length: 0
date: Sat, 12 Nov 2022 03:31:19 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 55ms
55ms XHR
image/svg+xml 18.66.242.140
AMAZON-02

General

Check archive.org

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/3496-829b9210.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 18.66.242.140 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-18-66-242-140.dus51.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 43de60f58f47997a3f62dc59cea1ad81dfacbe9a22aa4c3fcf871757e2d8cfbb

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
accept-language: se-SE,se;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36

Response headers

date: Mon, 26 Sep 2022 05:06:23 GMT
content-encoding: gzip
via: 1.1 d2f47ea7c79de35229ffbfc6942082c0.cloudfront.net (CloudFront)
x-amz-cf-pop: DUS51-P1
age: 4055097
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 550
last-modified: Fri, 23 Sep 2022 10:06:07 GMT
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: E_bB1iz3d1-2r_eb2enBIuhP_GOQcxYRe6J0iyHJRWaRMeQWabZ86w==

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 162ms
150ms XHR
text/plain 35.170.169.12
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/3496-829b9210.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 35.170.169.12 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-35-170-169-12.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: se-SE,se;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36
Content-type: application/json

Response headers

date: Sat, 12 Nov 2022 03:31:19 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 4a9f9204e7e5c1d3ed3b79b7b7af8568.svg Show response
d35aaqx5ub95lt.cloudfront.net/images/ 727 B
946 B 56ms
56ms XHR
image/svg+xml 18.66.242.140
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/3496-829b9210.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 18.66.242.140 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-18-66-242-140.dus51.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 0d25c4f8566c3384a46ea7afb1bc6294809ab884f9bdca5bdbb780807fa01c64

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
accept-language: se-SE,se;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36

Response headers

date: Fri, 30 Sep 2022 05:25:58 GMT
content-encoding: gzip
via: 1.1 d2f47ea7c79de35229ffbfc6942082c0.cloudfront.net (CloudFront)
x-amz-cf-pop: DUS51-P1
age: 3708322
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
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: vXtQr0aIb59XYS8TTcT4r80exIfIMABFHw8R74CXCKEWOdfus7_s9A==

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 161ms
152ms XHR
text/plain 35.170.169.12
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/3496-829b9210.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 35.170.169.12 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-35-170-169-12.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: se-SE,se;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36
Content-type: application/json

Response headers

date: Sat, 12 Nov 2022 03:31:19 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 171ms
160ms XHR
text/plain 35.170.169.12
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/3496-829b9210.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 35.170.169.12 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-35-170-169-12.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: se-SE,se;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36
Content-type: application/json

Response headers

date: Sat, 12 Nov 2022 03:31:19 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 153ms
148ms XHR
text/plain 35.170.169.12
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/3496-829b9210.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 35.170.169.12 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-35-170-169-12.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: se-SE,se;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36
Content-type: application/json

Response headers

date: Sat, 12 Nov 2022 03:31:19 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 163ms
154ms XHR
text/plain 35.170.169.12
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/3496-829b9210.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 35.170.169.12 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-35-170-169-12.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: se-SE,se;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36
Content-type: application/json

Response headers

date: Sat, 12 Nov 2022 03:31:19 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 404 web.json Show response
brb.duolingo.com/0/ 345 B
769 B 284ms
176ms XHR
text/html 143.204.215.58
AMAZON-02

General

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Full URL: https://brb.duolingo.com/0/web.json?user=0&ts=1668223879&tzoffset=0
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-829b9210.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.215.58 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-215-58.fra53.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 2618b1d1514ec6c769c53b9fff22b566516c52239be3f2d6ba97de46ba15a0b1

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
accept-language: se-SE,se;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36

Response headers

date: Sat, 12 Nov 2022 03:31:19 GMT
via: 1.1 8b5bc0831e6dab612582614c3009efa6.cloudfront.net (CloudFront)
server: AmazonS3
x-amz-cf-pop: FRA53-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
x-cache: Error from cloudfront
vary: Origin,Access-Control-Request-Headers,Access-Control-Request-Method
access-control-allow-credentials: true
content-length: 345
x-amz-cf-id: ymxz6zFRJPl4USuE6d2Z6O1_18B3WT_MYgMhF3depiyiXjapwRVkSw==

GET
H2 404 web.json Show response
zombie.duolingo.com/0/ 345 B
767 B 267ms
160ms XHR
text/html 99.86.4.63
AMAZON-02

General

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Full URL: https://zombie.duolingo.com/0/web.json?user=0&ts=1668223879&tzoffset=0
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-829b9210.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 99.86.4.63 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-99-86-4-63.fra6.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 5b241229a89f8c182e78717a295859a00afefc7e3e5b266350070abfcab8f332

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
accept-language: se-SE,se;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36

Response headers

date: Sat, 12 Nov 2022 03:31:19 GMT
via: 1.1 08bbe291f260c2b80a00874a80ade07c.cloudfront.net (CloudFront)
server: AmazonS3
x-amz-cf-pop: FRA6-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
x-cache: Error from cloudfront
vary: Origin,Access-Control-Request-Headers,Access-Control-Request-Method
access-control-allow-credentials: true
content-length: 345
x-amz-cf-id: rwyXE2EyKoWpunTUNICTbiqx6mAD4ljz7zZkoAAMQZDadcOa1Ng9xA==

GET
H2 200 config Show response
www.duolingo.com/2017-06-30/ 2 KB
2 KB 146ms
146ms XHR
application/json 52.205.114.87
AMAZON-AES

General

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Full URL

https://www.duolingo.com/2017-06-30/config?fields=ageRestrictionLimit,clientExperiments%7B%7D,dictionaryHost,featureFlags,ipCountry,speechHost&_=1668223879293

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-829b9210.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-52-205-114-87.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

64136e1c030fe626b90606977bf883b4be1f367fff760cd5a023bb579d6344a2

Security Headers

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

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
X-Requested-With: XMLHttpRequest
accept-language: se-SE,se;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/107.0.5304.110 Safari/537.36

Response headers

pragma: no-cache
date: Sat, 12 Nov 2022 03:31:19 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: 2
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 435ms
146ms XHR
application/json 44.194.24.178
AMAZON-AES

General

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Full URL

https://stories.duolingo.com/api2/config?fields=courses&fromLanguage=en&_=1668223879294

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-829b9210.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-44-194-24-178.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

c9b7898d4ce6788f59c00023e6c7fd5898ce063dc8f6d5c4fe06addbb43260cf

Security Headers

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

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
X-Requested-With: XMLHttpRequest
accept-language: se-SE,se;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/107.0.5304.110 Safari/537.36

Response headers

date: Sat, 12 Nov 2022 03:31:20 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 168ms
168ms XHR
application/json 52.205.114.87
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/3496-829b9210.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-52-205-114-87.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

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: se-SE,se;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/107.0.5304.110 Safari/537.36
Content-Type: application/json;charset=UTF-8

Response headers

date: Sat, 12 Nov 2022 03:31:19 GMT
x-ws: UK
x-tid: ffff4890636f132e00d4
surrogate-control: no-store
x-duo-request-host: www.duolingo.com
x-envoy-upstream-service-time: 23
content-length: 2
pragma: no-cache
x-runtime: 0.02096
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

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 393ms
146ms Preflight 35.170.169.12
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: 35.170.169.12 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-35-170-169-12.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/107.0.5304.110 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: Sat, 12 Nov 2022 03:31:19 GMT
server: Jetty(9.2.z-SNAPSHOT)

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 157ms
149ms XHR
text/plain 35.170.169.12
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/3496-829b9210.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 35.170.169.12 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-35-170-169-12.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: se-SE,se;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36
Content-type: application/json

Response headers

date: Sat, 12 Nov 2022 03:31:19 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 en.json Show response
cdn.cookielaw.org/consent/55a7f100-001e-4085-87ec-1a6d522f7d67/e43d2735-b44f-43da-ae8a-a4f881b04152/ 84 KB
19 KB 35ms
35ms Fetch
application/x-javascript 104.16.148.64
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/3496-829b9210.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.16.148.64 Shahr, Iran, Islamic Republic Of, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

b6d0cbf557d65aaab8c32800f717ab35f48be8122d334727a088a6feab7f6b16

Security Headers

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

Request headers

accept-language: se-SE,se;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/107.0.5304.110 Safari/537.36

Response headers

x-ms-blob-type: BlockBlob
date: Sat, 12 Nov 2022 03:31:19 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: 3ELFqSducpr9CXYO0VwYlQ==
age: 23135
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-length: 18794
x-ms-lease-status: unlocked
last-modified: Fri, 11 Nov 2022 21:04:50 GMT
server: cloudflare
etag: 0x8DAC4285F61661A
vary: Accept-Encoding
content-type: application/x-javascript
access-control-allow-origin: *
x-ms-request-id: 21544b76-e01e-0158-7111-f69ac8000000
access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control: public, max-age=86400
x-ms-version: 2009-09-19
accept-ranges: bytes
cf-ray: 768c31adfe3b95eb-ARN
expires: Sun, 13 Nov 2022 03:31:19 GMT

POST
H/1.1 200
OK postback Show response
s.lmepbq.com/2/2.81.0/891112/AaE2dLYBEPK7rsF_/ 0
145 B 64ms
64ms XHR
text/plain 34.243.93.43
AMAZON-02

General

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Full URL: https://s.lmepbq.com/2/2.81.0/891112/AaE2dLYBEPK7rsF_/postback?oz_pl=1&dt=8911121635444670059000&mo=2&pd=acc&ci=891112&ck=f2c5af9e-121a-4c95-b62c-98cd11a9c49f&spa=1&_x=1
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-829b9210.js
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 34.243.93.43 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS: ec2-34-243-93-43.eu-west-1.compute.amazonaws.com
Software: /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://www.duolingo.com/
accept-language: se-SE,se;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36
Content-Type: text/plain

Response headers

Access-Control-Allow-Origin: *
Date: Sat, 12 Nov 2022 03:31:18 GMT
Timing-Allow-Origin: *
Content-Length: 0
Vary: Origin

GET
H2 200 analytics.js Show response
www.google-analytics.com/ 49 KB
20 KB 176ms
55ms Script
text/javascript 142.250.186.174
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

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

Reverse DNS

fra24s08-in-f14.1e100.net

Software

Golfe2 /

Resource Hash

b42e4a056cb5b80c5a315040826866445ec9332f0749e184509ab2d9d3b86719

Security Headers

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

Request headers

accept-language: se-SE,se;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/107.0.5304.110 Safari/537.36

Response headers

strict-transport-security: max-age=10886400; includeSubDomains; preload
content-encoding: gzip
x-content-type-options: nosniff
date: Sat, 12 Nov 2022 03:15:54 GMT
last-modified: Tue, 27 Sep 2022 22:01:05 GMT
server: Golfe2
age: 925
vary: Accept-Encoding
content-type: text/javascript
cache-control: public, max-age=7200
cross-origin-resource-policy: cross-origin
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content-length: 20039
expires: Sat, 12 Nov 2022 05:15:54 GMT

GET
H2 200 / Show response
www.googleadservices.com/pagead/conversion/397119219/ 2 KB
2 KB 208ms
64ms Script
text/javascript 142.250.186.162
GOOGLE

General

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Show headers Download Go to

Full URL

https://www.googleadservices.com/pagead/conversion/397119219/?random=1668223879564&cv=11&fst=1668223879564&bg=ffffff&guid=ON&async=1&gtm=2wgb90&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=2033158406.1668223880&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

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

Reverse DNS

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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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Response headers

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date: Sat, 12 Nov 2022 03:31:19 GMT
content-encoding: br
x-content-type-options: nosniff
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content-length: 1261
x-xss-protection: 0
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GET
H2 200 fbevents.js Show response
connect.facebook.net/en_US/ 103 KB
28 KB 165ms
53ms Script
application/x-javascript 157.240.20.19
FACEBOOK

General

Check archive.org

Show headers Download Go to

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

157.240.20.19 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),

Reverse DNS

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Software

Resource Hash

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Security Headers

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Request headers

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Response headers

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cache-control: public, max-age=1200
priority: u=3,i
expires: Sat, 01 Jan 2000 00:00:00 GMT

GET
H2 200 adalyser.js Show response
c0.adalyser.com/ 35 KB
12 KB 260ms
118ms Script
application/javascript 52.30.85.81
AMAZON-02

General

Check archive.org

Show headers Download Go to

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
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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36

Response headers

date: Sat, 12 Nov 2022 03:31:19 GMT
content-encoding: gzip
x-powered-by: Express
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GET
H2 200 otFlat.json Show response
cdn.cookielaw.org/scripttemplates/6.16.0/assets/ 12 KB
3 KB 34ms
34ms Fetch
application/json 104.16.148.64
CLOUDFLARENET

General

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Show headers Download Go to

Full URL

https://cdn.cookielaw.org/scripttemplates/6.16.0/assets/otFlat.json

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-829b9210.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

Software

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Security Headers

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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36

Response headers

x-ms-blob-type: BlockBlob
date: Sat, 12 Nov 2022 03:31:19 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: DKM3/i+7h7Fs8cEMor3s2A==
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cache-control: max-age=86400
x-ms-version: 2009-09-19
accept-ranges: bytes
cf-ray: 768c31af6ec595eb-ARN

GET
BLOB 200
OK b7eb1355-4dfe-41eb-9126-7299f0d5d7a0
https://www.duolingo.com/ Frame 6016 185 B
0 Other
application/javascript

General

Check archive.org

Show headers Download Go to

Full URL: blob:https://www.duolingo.com/b7eb1355-4dfe-41eb-9126-7299f0d5d7a0
Protocol: BLOB
Server: -, , ASN (),
Reverse DNS
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Request headers

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Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36

Response headers

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

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 152ms
151ms XHR
text/plain 35.170.169.12
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/3496-829b9210.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
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Request headers

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Response headers

date: Sat, 12 Nov 2022 03:31:19 GMT
accept-encoding: gzip, identity
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OPTIONS
H2 200 batch
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0 200ms
200ms Preflight 35.170.169.12
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: 35.170.169.12 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash

Request headers

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Access-Control-Request-Headers: content-type
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Origin: https://www.duolingo.com
Sec-Fetch-Mode: cors
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Response headers

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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)

POST
H2 200 collect Show response
www.google-analytics.com/j/ 2 B
208 B 63ms
60ms XHR
text/plain 142.250.186.174
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google-analytics.com/j/collect?v=1&_v=j98&a=1033028741&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=1928257295&gjid=1316135682&cid=951985477.1668223880&tid=UA-21595814-1&_gid=1203121626.1668223880&_r=1&gtm=2wgb90TX6Z97C&did=i5iSjo&z=1199801625

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-829b9210.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

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Software

Golfe2 /

Resource Hash

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Security Headers

Name	Value
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Request headers

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Response headers

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x-content-type-options: nosniff
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content-length: 2
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 1735692093320310 Show response
connect.facebook.net/signals/config/ 293 KB
85 KB 53ms
53ms Script
application/x-javascript 157.240.20.19
FACEBOOK

General

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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

157.240.20.19 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),

Reverse DNS

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Software

Resource Hash

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Security Headers

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Request headers

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Response headers

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content-type: application/x-javascript; charset=utf-8
cache-control: public, max-age=1200
priority: u=3,i
expires: Sat, 01 Jan 2000 00:00:00 GMT

GET
H2

200

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

https://googleads.g.doubleclick.net/pagead/viewthroughconversion/397119219/?random=2032234789&cv=11&fst=1668223879564&bg=ffffff&guid=ON&async=1&gtm=2wgb90&u_w=1600&u_h=1200&label=k0ETCJGBvf0BEPOdrr...
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42 B
154 B

88ms
88ms

Image
image/gif

172.217.18.3
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.se/pagead/1p-conversion/397119219/?random=2032234789&cv=11&fst=1668223879564&bg=ffffff&guid=ON&async=1&gtm=2wgb90&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=2033158406.1668223880&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&pscrd=Ek9DaEVJZ0lLNG13WVEtcHVKNnZpMjNON21BUkltQUQyOVl5akdkQkpmX3BpZDZMU2dTOGRVbHZEbi1IYXQ1S1hxNjF1b3BYZzJPcDE0SEdFGlhDaEFJZ0lLNG13WVF3ZDZXdWRQeDI0Z09FaTRBeG1fVERFTWhaVE5uYWdESWcwVjkwMllMTUY1Ty1PZDZSeGdsMjFIRzNFai1waDl0TGlTeFYtbC0xelp2&is_vtc=1&ocp_id=hxNvY-6mLcfO1gaLspSwDg&eitems=ChEIgIK4mwYQ9fa3i53Hwa3MARIdAAeLe4NgAKgT2d68Zx005QHbw9f2YfS6AHvf1Q8&random=1928951131&ipr=y&prhg=0

Protocol

Server

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Reverse DNS

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Software

cafe /

Resource Hash

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Security Headers

Name	Value
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X-Xss-Protection	0

Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36

Response headers

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date: Sat, 12 Nov 2022 03:31:20 GMT
content-security-policy: script-src 'none'; object-src 'none'
x-content-type-options: nosniff
server: cafe
content-type: image/gif
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Redirect headers

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date: Sat, 12 Nov 2022 03:31:20 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.se/pagead/1p-conversion/397119219/?random=2032234789&cv=11&fst=1668223879564&bg=ffffff&guid=ON&async=1&gtm=2wgb90&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=2033158406.1668223880&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&pscrd=Ek9DaEVJZ0lLNG13WVEtcHVKNnZpMjNON21BUkltQUQyOVl5akdkQkpmX3BpZDZMU2dTOGRVbHZEbi1IYXQ1S1hxNjF1b3BYZzJPcDE0SEdFGlhDaEFJZ0lLNG13WVF3ZDZXdWRQeDI0Z09FaTRBeG1fVERFTWhaVE5uYWdESWcwVjkwMllMTUY1Ty1PZDZSeGdsMjFIRzNFai1waDl0TGlTeFYtbC0xelp2&is_vtc=1&ocp_id=hxNvY-6mLcfO1gaLspSwDg&eitems=ChEIgIK4mwYQ9fa3i53Hwa3MARIdAAeLe4NgAKgT2d68Zx005QHbw9f2YfS6AHvf1Q8&random=1928951131&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 p
c0.adalyser.com/tracking/track/v3/ 43 B
341 B 64ms
63ms Image
image/gif 52.30.85.81
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://c0.adalyser.com/tracking/track/v3/p?stm=1668223879847&e=lce1&url=https%3A%2F%2Fwww.duolingo.com%2F&cid=duolingo&p=%7B%22et%22%3A1668223879843%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%22deda2cf8-6bb6-45f9-9021-410552a82484%22%2C%22duid%22%3A%2272f58ffd-907c-4d2e-9e8a-6737bd26cfcd%22%2C%22cw%22%3A1668223879843%7D&userAgent=Mozilla%2F5.0%20(Windows%20NT%2010.0%3B%20Win64%3B%20x64)%20AppleWebKit%2F537.36%20(KHTML%2C%20like%20Gecko)%20Chrome%2F107.0.5304.110%20Safari%2F537.36&domain=www.duolingo.com
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.30.85.81 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS: ec2-52-30-85-81.eu-west-1.compute.amazonaws.com
Software: / Express
Resource Hash: a065920df8cc4016d67c3a464be90099c9d28ffe7c9e6ee3a18f257efc58cbd7

Request headers

accept-language: se-SE,se;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/107.0.5304.110 Safari/537.36

Response headers

pragma: no-cache
date: Sat, 12 Nov 2022 03:31:19 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/ 4 B
443 B 175ms
65ms XHR
text/plain 74.125.140.156
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j98&tid=UA-21595814-1&cid=951985477.1668223880&jid=1928257295&gjid=1316135682&_gid=1203121626.1668223880&_u=YEBAAEAAAAAAACgAI~&z=428785738

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-829b9210.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

wq-in-f156.1e100.net

Software

Golfe2 /

Resource Hash

08f3d7de7aea50ee4f77098ffd4ecce4d803a35b21285f45e6b72e3a497d7122

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: se-SE,se;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
strict-transport-security: max-age=10886400; includeSubDomains; preload
date: Sat, 12 Nov 2022 03:31:19 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: 4
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 /
www.facebook.com/tr/ 0
185 B 156ms
52ms Image
text/plain 157.240.20.35
FACEBOOK

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.facebook.com/tr/?id=1735692093320310&ev=PageView&dl=https%3A%2F%2Fwww.duolingo.com%2F&rl=&if=false&ts=1668223879938&sw=1600&sh=1200&v=2.9.89&r=stable&ec=0&o=29&fbp=fb.1.1668223879937.1428920925&it=1668223879793&coo=false&exp=c0&rqm=GET

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

157.240.20.35 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),

Reverse DNS

edge-star-mini-shv-02-frt3.facebook.com

Software

proxygen-bolt /

Resource Hash

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Security Headers

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

Request headers

accept-language: se-SE,se;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/107.0.5304.110 Safari/537.36

Response headers

strict-transport-security: max-age=31536000; includeSubDomains
date: Sat, 12 Nov 2022 03:31:20 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
501 B 133ms
67ms Image
image/gif 142.250.186.164
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

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=951985477.1668223880&jid=1928257295&_u=YEBAAEAAAAAAACgAI~&z=480231831

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

fra24s08-in-f4.1e100.net

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

accept-language: se-SE,se;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/107.0.5304.110 Safari/537.36

Response headers

pragma: no-cache
date: Sat, 12 Nov 2022 03:31:20 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.se/ads/ 42 B
501 B 182ms
68ms Image
image/gif 172.217.18.3
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.se/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j98&tid=UA-21595814-1&cid=951985477.1668223880&jid=1928257295&_u=YEBAAEAAAAAAACgAI~&z=480231831

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

fra24s22-in-f3.1e100.net

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

accept-language: se-SE,se;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/107.0.5304.110 Safari/537.36

Response headers

pragma: no-cache
date: Sat, 12 Nov 2022 03:31:20 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 e0deed76-dfa6-43d5-8435-fac8302d1e51
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/e0deed76-dfa6-43d5-8435-fac8302d1e51
Protocol: BLOB
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 5684419a67d14ab2c790827fc3d6a761f430585597f31bd3bbcb4b5d34130dab

Request headers

accept-language: se-SE,se;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.110 Safari/537.36

Response headers

Content-Length: 787

Verdicts & Comments Add Verdict or Comment

95 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.

22 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 16:09:19	Name: logged_out_uuid Value: 2b853c99-a2c8-492b-8ace-7d2f4bd7ee05
.duolingo.com/	1970-01-20 16:09:19	Name: lang Value: en
.duolingo.com/	1970-01-20 09:33:19	Name: duocsexp0 Value: web_delight_use_fetch_v3~control~
www.duolingo.com/	1969-12-31 23:59:59	Name: wuuid Value: f2c5af9e-121a-4c95-b62c-98cd11a9c49f
.duolingo.com/	1970-01-20 16:09:19	Name: tsl Value: 1668223879172
.duolingo.com/	1970-01-20 16:09:19	Name: lu Value: https://www.duolingo.com/
.duolingo.com/	1970-01-20 16:09:19	Name: initial_referrer Value: $direct
.duolingo.com/	1970-01-20 16:09:19	Name: lr Value:
.duolingo.com/	1970-01-20 16:09:19	Name: lp Value: splash
.duolingo.com/	1970-01-20 09:33:19	Name: _gcl_au Value: 1.1.2033158406.1668223880
.duolingo.com/	1970-01-20 11:42:55	Name: OptanonConsent Value: isGpcEnabled=0&datestamp=Sat+Nov+12+2022+03%3A31%3A19+GMT%2B0000+(GMT)&version=6.16.0&isIABGlobal=false&consentId=65dc830e-40e6-422e-b258-b7221cd551a5&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 16:59:43	Name: _ga Value: GA1.2.951985477.1668223880
.duolingo.com/	1970-01-20 07:25:10	Name: _gid Value: GA1.2.1203121626.1668223880
.duolingo.com/	1970-01-20 07:23:43	Name: _gat_UA-21595814-1 Value: 1
www.duolingo.com/	1970-01-20 07:33:48	Name: AWSALB Value: PpS7YnOsHL8AAyLkw9CgcdhlM4yhf29B55odKxoqgGC35MnQNUzl+1UDYrmdUWoPfHbfw67skgnl46v+f7ZM6HtpNijGjlwg6UMD4cIudbImCYD2YNnwaDoYvSNB
www.duolingo.com/	1970-01-20 07:33:48	Name: AWSALBCORS Value: PpS7YnOsHL8AAyLkw9CgcdhlM4yhf29B55odKxoqgGC35MnQNUzl+1UDYrmdUWoPfHbfw67skgnl46v+f7ZM6HtpNijGjlwg6UMD4cIudbImCYD2YNnwaDoYvSNB
.duolingo.com/	1970-01-20 07:23:45	Name: __adal_ses Value: *
.duolingo.com/	1970-01-20 16:59:43	Name: __adal_id Value: 72f58ffd-907c-4d2e-9e8a-6737bd26cfcd.1668223880.1.1668223880.1668223880.deda2cf8-6bb6-45f9-9021-410552a82484
.duolingo.com/	1970-01-20 11:42:55	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 07:33:48	Name: __adal_cw Value: 1668223879843
.duolingo.com/	1970-01-20 09:33:19	Name: _fbp Value: fb.1.1668223879937.1428920925
.doubleclick.net/	1970-01-20 07:23:44	Name: test_cookie Value: CheckForPermission

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
network	error	URL: https://zombie.duolingo.com/0/web.json?user=0&ts=1668223879&tzoffset=0 Message: Failed to load resource: the server responded with a status of 404 ()
network	error	URL: https://brb.duolingo.com/0/web.json?user=0&ts=1668223879&tzoffset=0 Message: Failed to load resource: the server responded with a status of 404 ()
worker	error	URL: blob:https://www.duolingo.com/b7eb1355-4dfe-41eb-9126-7299f0d5d7a0 Message: Mixed Content: The page at 'blob:https://www.duolingo.com/b7eb1355-4dfe-41eb-9126-7299f0d5d7a0' 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/b7eb1355-4dfe-41eb-9126-7299f0d5d7a0 Message: Mixed Content: The page at 'blob:https://www.duolingo.com/b7eb1355-4dfe-41eb-9126-7299f0d5d7a0' was loaded over HTTPS, but requested an insecure XMLHttpRequest endpoint 'chrome-extension://cplklnmnlbnpmjogncfgfijoopmnlemp/skin/logo24.png'. This request has been blocked; the content must be served over HTTPS.

Security Headers

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

Header	Value
X-Frame-Options	SAMEORIGIN

Indicators

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

brb.duolingo.com
c0.adalyser.com
cdn.cookielaw.org
coinbase.render-se.scmtest-duolingo-sg-dev.duolingo.com
connect.facebook.net
d35aaqx5ub95lt.cloudfront.net
excess.duolingo.com
geolocation.onetrust.com
googleads.g.doubleclick.net
s.lmepbq.com
stats.g.doubleclick.net
stories.duolingo.com
www.duolingo.com
www.facebook.com
www.google-analytics.com
www.google.com
www.google.se
www.googleadservices.com
www.googletagmanager.com
zombie.duolingo.com
104.16.148.64
142.250.185.168
142.250.186.162
142.250.186.164
142.250.186.174
143.204.215.58
157.240.20.19
157.240.20.35
172.217.18.3
172.64.146.158
18.66.242.140
34.243.93.43
35.170.169.12
44.194.24.178
52.205.114.87
52.30.85.81
54.165.40.136
74.125.140.156
99.86.4.63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www.duolingo.com Open in urlscan Pro 52.205.114.87 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

81 Requests

96 %HTTPS

0 %IPv6

14 Domains

20 Subdomains

19 IPs

4 Countries

1089 kBTransfer

3529 kBSize

22 Cookies

50 Outgoing links

Page URL History

Redirected requests

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

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

Screenshot
Live screenshot

Full Image

81
Requests

96 %
HTTPS

0 %
IPv6

14
Domains

20
Subdomains

19
IPs

4
Countries

1089 kB
Transfer

3529 kB
Size

22
Cookies

81 HTTP transactions
0 data transactions