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

Go To Rescan
Add Verdict Report

Submitted URL:
http://duolingo.com/
Effective URL:
https://www.duolingo.com/
Submission: On July 25 via manual (July 25th 2022, 9:11:49 am UTC) from SG — Scanned from DE

Summary HTTP 96 Redirects Links 47 Behaviour Indicators

Summary

This website contacted 23 IPs in 4 countries across 17 domains to perform 96 HTTP transactions. The main IP is 44.199.145.147, 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 38136.
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	44.199.145.147 44.199.145.147	14618 (AMAZON-AES) (AMAZON-AES)
5	2606:4700::68... 2606:4700::6810:9440	13335 (CLOUDFLAR...) (CLOUDFLARENET)
4	52.17.239.19 52.17.239.19	16509 (AMAZON-02) (AMAZON-02)
37	2600:9000:225... 2600:9000:2250:a600:7:60cd:e840:21	16509 (AMAZON-02) (AMAZON-02)
1	2606:4700:440... 2606:4700:4400::ac40:929e	13335 (CLOUDFLAR...) (CLOUDFLARENET)
14	52.4.119.24 52.4.119.24	14618 (AMAZON-AES) (AMAZON-AES)
1	2a00:1450:400... 2a00:1450:4001:827::2008	15169 (GOOGLE) (GOOGLE)
2	54.204.199.13 54.204.199.13	14618 (AMAZON-AES) (AMAZON-AES)
1	18.66.139.113 18.66.139.113	16509 (AMAZON-02) (AMAZON-02)
2	2a00:1450:400... 2a00:1450:4001:80e::200e	15169 (GOOGLE) (GOOGLE)
1 3	142.250.185.102 142.250.185.102	15169 (GOOGLE) (GOOGLE)
2	142.250.184.194 142.250.184.194	15169 (GOOGLE) (GOOGLE)
4	2a03:2880:f01... 2a03:2880:f01c:8012:face:b00c:0:3	32934 (FACEBOOK) (FACEBOOK)
2	52.215.31.205 52.215.31.205	16509 (AMAZON-02) (AMAZON-02)
3	2a03:2880:f11... 2a03:2880:f11c:8183:face:b00c:0:25de	32934 (FACEBOOK) (FACEBOOK)
1	2a00:1450:400... 2a00:1450:400c:c08::9d	15169 (GOOGLE) (GOOGLE)
1 1	2a00:1450:400... 2a00:1450:4001:809::2002	15169 (GOOGLE) (GOOGLE)
1 2	2a00:1450:400... 2a00:1450:4001:830::2004	15169 (GOOGLE) (GOOGLE)
2	2a00:1450:400... 2a00:1450:4001:80f::2003	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:813::2002	15169 (GOOGLE) (GOOGLE)
1 1	2a00:1450:400... 2a00:1450:4001:812::2002	15169 (GOOGLE) (GOOGLE)
1	15.197.193.217 15.197.193.217	16509 (AMAZON-02) (AMAZON-02)
2	2a04:4e42:62::84 2a04:4e42:62::84	54113 (FASTLY) (FASTLY)
2	151.101.192.84 151.101.192.84	54113 (FASTLY) (FASTLY)
96	23

1 54.165.40.136 (United States) 1 redirects

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

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

4 44.199.145.147 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-44-199-145-147.compute-1.amazonaws.com

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

5 2606:4700::6810:9440 (United States)

ASN13335 (CLOUDFLARENET, US)

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

4 52.17.239.19 (Dublin, Ireland)

ASN16509 (AMAZON-02, US)
PTR: ec2-52-17-239-19.eu-west-1.compute.amazonaws.com

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

37 2600:9000:2250:a600:7:60cd:e840:21 (United States)

ASN16509 (AMAZON-02, US)

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

1 2606:4700:4400::ac40:929e (United States)

ASN13335 (CLOUDFLARENET, US)

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

14 52.4.119.24 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-52-4-119-24.compute-1.amazonaws.com

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

1 2a00:1450:4001:827::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

2 54.204.199.13 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-54-204-199-13.compute-1.amazonaws.com

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

1 18.66.139.113 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-66-139-113.fra60.r.cloudfront.net

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

2 2a00:1450:4001:80e::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

3 142.250.185.102 (United States) 1 redirects

ASN15169 (GOOGLE, US)
PTR: fra16s49-in-f6.1e100.net

9814127.fls.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 142.250.184.194 (United States)

ASN15169 (GOOGLE, US)
PTR: fra24s11-in-f2.1e100.net

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

4 2a03:2880:f01c:8012:face:b00c:0:3 (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)

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

2 52.215.31.205 (Dublin, Ireland)

ASN16509 (AMAZON-02, US)
PTR: ec2-52-215-31-205.eu-west-1.compute.amazonaws.com

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

3 2a03:2880:f11c:8183:face:b00c:0:25de (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)

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

1 2a00:1450:400c:c08::9d (Brussels, Belgium)

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:809::2002 (Frankfurt am Main, Germany) 1 redirects

ASN15169 (GOOGLE, US)

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

2 2a00:1450:4001:830::2004 (Frankfurt am Main, Germany) 1 redirects

ASN15169 (GOOGLE, US)

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

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

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:813::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:812::2002 (Frankfurt am Main, Germany) 1 redirects

ASN15169 (GOOGLE, US)

adservice.google.de	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 15.197.193.217 (United States)

ASN16509 (AMAZON-02, US)
PTR: a12b7a488abeaa9e4.awsglobalaccelerator.com

insight.adsrvr.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a04:4e42:62::84 (United States)

ASN54113 (FASTLY, US)

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

2 151.101.192.84 (United States)

ASN54113 (FASTLY, US)

ct.pinterest.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
37	cloudfront.net d35aaqx5ub95lt.cloudfront.net	714 KB
22	duolingo.com 1 redirects duolingo.com — Cisco Umbrella Rank: 12046 www.duolingo.com — Cisco Umbrella Rank: 38136 excess.duolingo.com — Cisco Umbrella Rank: 17430 stories.duolingo.com — Cisco Umbrella Rank: 22134 brb.duolingo.com — Cisco Umbrella Rank: 18554	15 KB
5	doubleclick.net 2 redirects 9814127.fls.doubleclick.net — Cisco Umbrella Rank: 148549 stats.g.doubleclick.net — Cisco Umbrella Rank: 117 googleads.g.doubleclick.net — Cisco Umbrella Rank: 56	3 KB
5	cookielaw.org cdn.cookielaw.org — Cisco Umbrella Rank: 427	116 KB
4	facebook.net connect.facebook.net — Cisco Umbrella Rank: 155	220 KB
4	lmepbq.com s.lmepbq.com — Cisco Umbrella Rank: 100704	59 KB
3	google.de 1 redirects www.google.de — Cisco Umbrella Rank: 5701 adservice.google.de — Cisco Umbrella Rank: 8252	1 KB
3	google.com 1 redirects www.google.com — Cisco Umbrella Rank: 10 adservice.google.com — Cisco Umbrella Rank: 96	2 KB
3	facebook.com www.facebook.com — Cisco Umbrella Rank: 101	476 B
2	pinterest.com ct.pinterest.com — Cisco Umbrella Rank: 773	833 B
2	pinimg.com s.pinimg.com — Cisco Umbrella Rank: 745	19 KB
2	adalyser.com c0.adalyser.com — Cisco Umbrella Rank: 32554	13 KB
2	googleadservices.com www.googleadservices.com — Cisco Umbrella Rank: 125	17 KB
2	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 52	20 KB
1	adsrvr.org insight.adsrvr.org — Cisco Umbrella Rank: 616	261 B
1	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 93	63 KB
1	onetrust.com geolocation.onetrust.com — Cisco Umbrella Rank: 742	441 B
96	17

	Domain	Requested by
37	d35aaqx5ub95lt.cloudfront.net	www.duolingo.com d35aaqx5ub95lt.cloudfront.net
14	excess.duolingo.com	d35aaqx5ub95lt.cloudfront.net
5	cdn.cookielaw.org	www.duolingo.com cdn.cookielaw.org d35aaqx5ub95lt.cloudfront.net
4	connect.facebook.net	www.duolingo.com connect.facebook.net 9814127.fls.doubleclick.net
4	s.lmepbq.com	www.duolingo.com s.lmepbq.com d35aaqx5ub95lt.cloudfront.net
4	www.duolingo.com	d35aaqx5ub95lt.cloudfront.net
3	www.facebook.com	www.duolingo.com 9814127.fls.doubleclick.net
3	9814127.fls.doubleclick.net	1 redirects www.googletagmanager.com adservice.google.com
2	ct.pinterest.com	s.pinimg.com 9814127.fls.doubleclick.net
2	s.pinimg.com	9814127.fls.doubleclick.net s.pinimg.com
2	www.google.de	www.duolingo.com
2	www.google.com	1 redirects www.duolingo.com
2	c0.adalyser.com	www.duolingo.com
2	www.googleadservices.com	www.googletagmanager.com www.googleadservices.com
2	www.google-analytics.com	www.googletagmanager.com d35aaqx5ub95lt.cloudfront.net
2	stories.duolingo.com	d35aaqx5ub95lt.cloudfront.net
1	insight.adsrvr.org	9814127.fls.doubleclick.net
1	adservice.google.de	1 redirects
1	adservice.google.com	9814127.fls.doubleclick.net
1	googleads.g.doubleclick.net	1 redirects
1	stats.g.doubleclick.net	d35aaqx5ub95lt.cloudfront.net
1	brb.duolingo.com	d35aaqx5ub95lt.cloudfront.net
1	www.googletagmanager.com	d35aaqx5ub95lt.cloudfront.net
1	geolocation.onetrust.com	cdn.cookielaw.org
1	duolingo.com	1 redirects
96	25

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
podcast.duolingo.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
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	`2022-06-28` - `2022-09-26`	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	`2022-07-04` - `2022-09-26`	3 months	crt.sh
*.doubleclick.net GTS CA 1C3	`2022-07-04` - `2022-09-26`	3 months	crt.sh
www.googleadservices.com GTS CA 1C3	`2022-07-04` - `2022-09-26`	3 months	crt.sh
*.facebook.com DigiCert SHA2 High Assurance Server CA	`2022-05-03` - `2022-08-01`	3 months	crt.sh
*.adalyser.com Thawte RSA CA 2018	`2022-06-10` - `2023-07-11`	a year	crt.sh
*.googleadservices.com GTS CA 1C3	`2022-07-04` - `2022-09-26`	3 months	crt.sh
*.g.doubleclick.net GTS CA 1C3	`2022-07-04` - `2022-09-26`	3 months	crt.sh
*.google.com GTS CA 1C3	`2022-07-04` - `2022-09-26`	3 months	crt.sh
www.google.com GTS CA 1C3	`2022-07-04` - `2022-09-26`	3 months	crt.sh
www.google.de GTS CA 1C3	`2022-07-04` - `2022-09-26`	3 months	crt.sh
*.adsrvr.org GlobalSign GCC R3 DV TLS CA 2020	`2022-03-31` - `2023-05-02`	a year	crt.sh
*.pinterest.com DigiCert TLS RSA SHA256 2020 CA1	`2021-07-27` - `2022-08-05`	a year	crt.sh

This page contains 5 frames:

Primary Page: https://www.duolingo.com/
Frame ID: 32AECE3D4379465DF0D36FAD60C8F79F
Requests: 75 HTTP requests in this frame

Frame: https://9814127.fls.doubleclick.net/activityi;dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Frame ID: D8C04064EBEAF8D3DB940C8BF17176D5
Requests: 1 HTTP requests in this frame

Frame: blob://https://www.duolingo.com/802d78ed-5f82-416d-8369-2cc2e41da3a0
Frame ID: C68D9CC6E36EAAECA5DDCD4695135EC6
Requests: 1 HTTP requests in this frame

Frame: https://adservice.google.com/ddm/fls/i/dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Frame ID: 1F5A299317C38A89E2BA7E7830815100
Requests: 1 HTTP requests in this frame

Frame: https://9814127.fls.doubleclick.net/ddm/fls/r/dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Frame ID: BAD8637D3172ECF9FE38446C9CD73C36
Requests: 10 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

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

Page URL History Show full URLs

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

Detected technologies

React (JavaScript Frameworks) Expand

Overall confidence: 100%
Detected patterns

<[^>]+data-react

Facebook (Widgets) Expand

Overall confidence: 100%
Detected patterns

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

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

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

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

googletagmanager\.com/gtm\.js

OneTrust (Cookie compliance) Expand

Overall confidence: 100%
Detected patterns

cdn\.cookielaw\.org
otSDKStub\.js

Page Statistics

96
Requests

97 %
HTTPS

56 %
IPv6

17
Domains

25
Subdomains

23
IPs

4
Countries

1261 kB
Transfer

4055 kB
Size

21
Cookies

47 Outgoing links

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

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://schools.duolingo.com/
Title: Bring Duolingo in dein Klassenzimmer

Search URL Search Domain Scan URL

URL: https://englishtest.duolingo.com/
Title: ENGLISCHKENNTNISSE ZERTIFIZIEREN

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://support.duolingo.com/hc/de
Title: Duolingo FAQ

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

Page URL History

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

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

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 66

https://9814127.fls.doubleclick.net/activityi;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F HTTP 302
https://9814127.fls.doubleclick.net/activityi;dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F

Request Chain 80

https://googleads.g.doubleclick.net/pagead/viewthroughconversion/397119219/?random=509607895&cv=9&fst=1658740304895&num=1&value=1&label=k0ETCJGBvf0BEPOdrr0B&bg=ffffff&guid=ON&resp=GooglemKTybQhCsO&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=0&u_java=false&u_nplug=3&u_nmime=4&gtm=2wg7k0&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&auid=201863005.1658740305&hn=www.googleadservices.com&async=1&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&ocp_id=UF7eYtHSOZfKb_6kkOAJ&sscte=1&crd=&eitems=ChAI8P74lgYQhOCupZrkustIEh0ADACoLpE-9adT_c9M83Z5ATlrAYRjmUYnGRZEPQ HTTP 302
https://www.google.com/pagead/1p-conversion/397119219/?random=509607895&cv=9&fst=1658740304895&num=1&value=1&label=k0ETCJGBvf0BEPOdrr0B&bg=ffffff&guid=ON&resp=GooglemKTybQhCsO&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=0&u_java=false&u_nplug=3&u_nmime=4&gtm=2wg7k0&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&auid=201863005.1658740305&hn=www.googleadservices.com&async=1&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&is_vtc=1&ocp_id=UF7eYtHSOZfKb_6kkOAJ&eitems=ChAI8P74lgYQhOCupZrkustIEh0ADACoLgYqHhJfS3znptgd-GV6SJmijANfFrwcmQ&random=1511044194&resp=GooglemKTybQhCsO HTTP 302
https://www.google.de/pagead/1p-conversion/397119219/?random=509607895&cv=9&fst=1658740304895&num=1&value=1&label=k0ETCJGBvf0BEPOdrr0B&bg=ffffff&guid=ON&resp=GooglemKTybQhCsO&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=0&u_java=false&u_nplug=3&u_nmime=4&gtm=2wg7k0&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&auid=201863005.1658740305&hn=www.googleadservices.com&async=1&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&is_vtc=1&ocp_id=UF7eYtHSOZfKb_6kkOAJ&eitems=ChAI8P74lgYQhOCupZrkustIEh0ADACoLgYqHhJfS3znptgd-GV6SJmijANfFrwcmQ&random=1511044194&resp=GooglemKTybQhCsO&ipr=y&prhg=0

Request Chain 84

https://adservice.google.de/ddm/fls/i/dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F HTTP 302
https://9814127.fls.doubleclick.net/ddm/fls/r/dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F

96 HTTP transactions
0 data transactions

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

GET
H2

200

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

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

8 KB
4 KB

337ms
126ms

Document
text/html

44.199.145.147
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL

https://www.duolingo.com/

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-44-199-145-147.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

6823fd33fe725e805e3ff795557d8ccc7d2843c139d526bcbd422330d428ce56

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

cache-control: no-store, no-cache, must-revalidate, proxy-revalidate
content-encoding: gzip
content-type: text/html; charset=UTF-8
date: Mon, 25 Jul 2022 09:11:44 GMT
expires: 0
no-retry: 1
pragma: no-cache
server: duo-api
surrogate-control: no-store
x-duo-request-host: www.duolingo.com
x-envoy-upstream-service-time: 25
x-frame-options: SAMEORIGIN
x-ipcountry: US
x-runtime: 0.02297
x-tid: ffff00e362de5e100063
x-ws: UK

Redirect headers

Connection: keep-alive
Content-Length: 193
Content-Type: text/html
Date: Mon, 25 Jul 2022 09:11:43 GMT
Location: https://www.duolingo.com
Server: nginx/1.4.6 (Ubuntu)

GET
H2 200 otSDKStub.js Show response
cdn.cookielaw.org/scripttemplates/ 20 KB
7 KB 34ms
15ms Script
application/javascript 2606:4700::6810:9440
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

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

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:9440 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

1a6622bbfd2f4017f391cae1040e22f99a923116427a0ccb25543581f5d92257

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-ms-blob-type: BlockBlob
date: Mon, 25 Jul 2022 09:11:44 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: jaQOgzI9+ZkWZRPB/GIusQ==
age: 2304
vary: Accept-Encoding
content-length: 6921
x-ms-lease-status: unlocked
last-modified: Fri, 22 Jul 2022 06:28:01 GMT
server: cloudflare
etag: 0x8DA6BAB537F622B
expect-ct: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-type: application/javascript
access-control-allow-origin: *
x-ms-request-id: 93c5725a-601e-0124-7f99-9d07fd000000
access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control: max-age=14400
x-ms-version: 2009-09-19
accept-ranges: bytes
cf-ray: 7303c515986d9c00-FRA

GET
H/1.1 200
OK clear.js Show response
s.lmepbq.com/ag/891112/ 11 KB
8 KB 153ms
31ms Script
text/javascript 52.17.239.19
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://s.lmepbq.com/ag/891112/clear.js?ck=9b53da4f-2116-46e9-910d-31c2f1529390&dt=8911121635444670059000&mo=2&pd=acc

Requested by

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

Protocol

HTTP/1.1

Security

TLS 1.2, ECDHE_ECDSA, AES_128_GCM

Server

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

Reverse DNS

ec2-52-17-239-19.eu-west-1.compute.amazonaws.com

Software

Resource Hash

264928d2619a9856f5303a5a4458b56513919711e913d288a8d7b2c3ea9bf6a9

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

Pragma: no-cache
Date: Mon, 25 Jul 2022 09:11:43 GMT
Content-Encoding: gzip
Accept-Ch: Viewport-Width, Viewport-Height, Width, DPR, RTT, ECT, Device-Memory, Downlink, Save-Data
Vary: *
Content-Type: text/javascript; charset=utf-8
Cache-Control: no-cache, no-store, must-revalidate, no-transform, private, max-age=0
Strict-Transport-Security: max-age=31536000; includeSubDomains
Timing-Allow-Origin: *
Content-Length: 7270
Expires: 0

GET
H2 200 manifest-881d1504.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 10 KB
5 KB 32ms
22ms Script
application/javascript 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-881d1504.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 05a0acc9ba025d264abe18433f57277d3379406795261ae1e2395569a0fdeabb

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Fri, 15 Jul 2022 20:41:48 GMT
content-encoding: gzip
last-modified: Fri, 15 Jul 2022 20:30:51 GMT
server: AmazonS3
age: 822597
etag: "aef74c12e988e8fdf580f07bd64611ee"
x-cache: Hit from cloudfront
content-type: application/javascript
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
cache-control: max-age=315360000
x-amz-cf-pop: FRA60-P2
accept-ranges: bytes
content-length: 5223
x-amz-cf-id: 2nDcAsaCRRt4zNmet4hs6MPUlCmJaI4u1quqRdBSN34OJS66q1oTfg==

GET
H2 200 2867-f83e8063.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 211 KB
74 KB 24ms
15ms Script
application/javascript 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/2867-f83e8063.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: af9e0a0170c2cda7fd8da969b48dc23c92363d70e6e46d66eb24400e4a6795ee

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Fri, 15 Jul 2022 20:41:50 GMT
content-encoding: gzip
last-modified: Fri, 15 Jul 2022 20:30:50 GMT
server: AmazonS3
age: 822595
etag: "8600515af828a16978abea4b7880808e"
x-cache: Hit from cloudfront
content-type: application/javascript
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
cache-control: max-age=315360000
x-amz-cf-pop: FRA60-P2
accept-ranges: bytes
content-length: 75216
x-amz-cf-id: fR2euPpbWDl10XAV9-zHCSiKaQauaAnoxZa-WOW8Ys3sei9opw8L4Q==

GET
H2 200 de-7c01cc67.js Show response
d35aaqx5ub95lt.cloudfront.net/js/strings/ 7 KB
3 KB 34ms
25ms Script
application/javascript 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/strings/de-7c01cc67.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: a36bb9c7f8a3fb5f807d6a31c282ada31a930378bf455bc0b6ae50ec05bc752c

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Wed, 13 Jul 2022 21:26:12 GMT
content-encoding: gzip
last-modified: Wed, 13 Jul 2022 20:37:03 GMT
server: AmazonS3
age: 992733
etag: "c6449fa0397146b8d876d31742ea04ee"
x-cache: Hit from cloudfront
content-type: application/javascript
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
cache-control: max-age=315360000
x-amz-cf-pop: FRA60-P2
accept-ranges: bytes
content-length: 2176
x-amz-cf-id: _8c9zZ_rk4aFWrKy_9-FyL0yYmcbfnSCDSHFaP3PLD9riro2gqRMfw==

GET
H2 200 9819-fd1ebe39.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 185 KB
58 KB 33ms
23ms Script
application/javascript 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/9819-fd1ebe39.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: dfa60a46615aa75289882ae46218c2958a135f2a1014e3b5b06eec1f604b4fd4

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Fri, 15 Jul 2022 20:41:48 GMT
content-encoding: gzip
last-modified: Fri, 15 Jul 2022 20:30:51 GMT
server: AmazonS3
age: 822597
etag: "639afa39e2f1891ca40f19450d3fa72f"
x-cache: Hit from cloudfront
content-type: application/javascript
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
cache-control: max-age=315360000
x-amz-cf-pop: FRA60-P2
accept-ranges: bytes
content-length: 58890
x-amz-cf-id: Yb4Q3LjIhAwo9Q6QbuPry_jy4BJHyUiUKNiAjMRjiAad8IU5vw_jNg==

GET
H2 200 en-1644a48e.js Show response
d35aaqx5ub95lt.cloudfront.net/js/strings/ 226 B
581 B 17ms
16ms Script
application/javascript 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/strings/en-1644a48e.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 1d5484074d844addc76cc620a18d6eab5e5e585f58b5ab7921be19398203a10b

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Tue, 14 Jun 2022 03:12:49 GMT
content-encoding: gzip
last-modified: Mon, 13 Jun 2022 23:18:40 GMT
server: AmazonS3
age: 3563936
etag: "b9da8067b4ea9759df25d623effb5336"
x-cache: Hit from cloudfront
content-type: application/javascript
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
cache-control: max-age=315360000
x-amz-cf-pop: FRA60-P2
accept-ranges: bytes
content-length: 183
x-amz-cf-id: OX-joYTQKow8sZH5Xp1N8maPuYz10WASyzl7aIW7zJF0XdWlvhPTTQ==

GET
H2 200 8028-8de03560.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 29 KB
11 KB 18ms
16ms Script
application/javascript 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/8028-8de03560.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 67167722ca8e841eb131eb6afaf8dce4a654772652064c55e4517fde532514ce

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Wed, 22 Jun 2022 21:56:12 GMT
content-encoding: gzip
last-modified: Wed, 22 Jun 2022 21:25:15 GMT
server: AmazonS3
age: 2805333
etag: "93b2c4688bc4456b2e2645a12092c754"
x-cache: Hit from cloudfront
content-type: application/javascript
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
cache-control: max-age=315360000
x-amz-cf-pop: FRA60-P2
accept-ranges: bytes
content-length: 10845
x-amz-cf-id: w-p3As9E-vMSHw5ayMQD50_0pU_4Rodi-IiTtNO76DbSLZEzZnzuxg==

GET
H2 200 polyfills-3a87979e.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 450 B
666 B 18ms
17ms Script
application/javascript 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/polyfills-3a87979e.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 3ea86159118f3fcbd765c1f47353b8bee4f45a248afbfdd33b006941cdf5de65

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Thu, 09 Jun 2022 00:30:10 GMT
content-encoding: gzip
last-modified: Wed, 08 Jun 2022 19:22:15 GMT
server: AmazonS3
age: 4005695
etag: "9432b1e5f24ff0765785715f97ca0b76"
x-cache: Hit from cloudfront
content-type: application/javascript
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
cache-control: max-age=315360000
x-amz-cf-pop: FRA60-P2
accept-ranges: bytes
content-length: 270
x-amz-cf-id: VPk1QXs7DJz5V9u3do-P-rQDamLautRaWlqkbyZrwc7SbetTwz7mHA==

GET
H2 200 3893-ed897736.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 456 KB
143 KB 20ms
19ms Script
application/javascript 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/3893-ed897736.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 79a41c1a29598eb31a6b2b617b254c5ce9cb978485efdc787c15655de9f4442d

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Wed, 29 Jun 2022 19:38:33 GMT
content-encoding: gzip
last-modified: Wed, 29 Jun 2022 19:23:31 GMT
server: AmazonS3
age: 2208792
etag: "bc7c07c32f329e50128a4b6950f8b7be"
x-cache: Hit from cloudfront
content-type: application/javascript
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
cache-control: max-age=315360000
x-amz-cf-pop: FRA60-P2
accept-ranges: bytes
content-length: 146059
x-amz-cf-id: terT6JRjADq1asiuM0wi7z7XxMi1WlG6K92qObjPhTpBcz7z_OfVfg==

GET
H2 200 app-49f26439.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 691 KB
187 KB 29ms
28ms Script
application/javascript 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-49f26439.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: ac8abdefbad456ff95a3231ff09edf622707c19bdb58050853ac209b25255a4f

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Mon, 11 Jul 2022 22:16:26 GMT
content-encoding: gzip
last-modified: Mon, 11 Jul 2022 22:03:42 GMT
server: AmazonS3
age: 1162519
etag: "c30920ee3f6aba5e6b2d3db2af6e039b"
x-cache: Hit from cloudfront
content-type: application/javascript
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
cache-control: max-age=315360000
x-amz-cf-pop: FRA60-P2
accept-ranges: bytes
content-length: 191279
x-amz-cf-id: q4ng-pG_hJZylINUSQGki_1fHg6Quij6PLePg8IQxn8FxisjpaVccA==

GET
H2 200 3893-1d2e33a8.css
d35aaqx5ub95lt.cloudfront.net/css/ 14 KB
4 KB 53ms
7ms Stylesheet
text/css 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/3893-1d2e33a8.css
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: bc66a43f1a2f58d6b303c530a93c3e2ba2a7ce6964b8505ccb9def6fada9f376

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Wed, 29 Jun 2022 19:38:33 GMT
content-encoding: gzip
last-modified: Wed, 29 Jun 2022 19:23:21 GMT
server: AmazonS3
age: 2208792
etag: "9ae76d97222bbab0716c63d4df2b6581"
x-cache: Hit from cloudfront
content-type: text/css
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
cache-control: max-age=315360000
x-amz-cf-pop: FRA60-P2
accept-ranges: bytes
content-length: 3444
x-amz-cf-id: tk_ROphHwdq3qEurakb_DBmFU7nvMiSCl5xbfdVYDynAcYBdJCAY7Q==

GET
H2 200 app-c0f80507.css
d35aaqx5ub95lt.cloudfront.net/css/ 73 KB
15 KB 54ms
9ms Stylesheet
text/css 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/app-c0f80507.css
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 50db71fc4b6462e80958e3ecb7a2875791ba2977478e4c216ee59aef000d4423

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Fri, 08 Jul 2022 23:05:26 GMT
content-encoding: gzip
last-modified: Fri, 08 Jul 2022 22:55:47 GMT
server: AmazonS3
age: 1418779
etag: "5f12b00793b279cf32750cfeca1e1e96"
x-cache: Hit from cloudfront
content-type: text/css
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
cache-control: max-age=315360000
x-amz-cf-pop: FRA60-P2
accept-ranges: bytes
content-length: 15433
x-amz-cf-id: nojDgNrwfULag4JxXkY_VVcFd86OEFe2-1aHu6rWOLDSFdxLGbyw0Q==

GET
H2 200 55a7f100-001e-4085-87ec-1a6d522f7d67.json Show response
cdn.cookielaw.org/consent/55a7f100-001e-4085-87ec-1a6d522f7d67/ 4 KB
2 KB 30ms
15ms XHR
application/x-javascript 2606:4700::6810:9440
CLOUDFLARENET

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Full URL

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

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:9440 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

92b0ab5ddd16e52f6f4a50cc90a7f3216ed08d01309d7e9fe6901bc7059c09c1

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-ms-blob-type: BlockBlob
date: Mon, 25 Jul 2022 09:11:44 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: 6CFUc5RY3IhG3Kfr/mTs4g==
age: 14016
vary: Accept-Encoding
content-length: 1664
x-ms-lease-status: unlocked
last-modified: Tue, 29 Mar 2022 21:26:55 GMT
server: cloudflare
etag: 0x8DA11CAD939C4FB
expect-ct: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-type: application/x-javascript
access-control-allow-origin: *
x-ms-request-id: a4dc08d2-701e-00bc-14b7-43cf97000000
access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control: public, max-age=14400
x-ms-version: 2009-09-19
accept-ranges: bytes
cf-ray: 7303c515ce92913d-FRA
expires: Mon, 25 Jul 2022 13:11:44 GMT

GET
H2 200 location Show response
geolocation.onetrust.com/cookieconsentpub/v1/geo/ 153 B
441 B 47ms
28ms XHR
application/json 2606:4700:4400::ac40:929e
CLOUDFLARENET

General

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Full URL

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

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:4400::ac40:929e , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

6fba5ed9a21a948a1edf9f018055a8ed911df83da750fcb24177e2a3c539a085

Security Headers

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

Request headers

accept: application/json
Referer: https://www.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

date: Mon, 25 Jul 2022 09:11:44 GMT
content-encoding: gzip
server: cloudflare
expect-ct: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary: Accept-Encoding
access-control-allow-methods: GET, OPTIONS
content-type: application/json
access-control-allow-origin: *
strict-transport-security: max-age=31536000; includeSubDomains; preload
cf-ray: 7303c5160d6d92a2-FRA
access-control-allow-headers: Content-Type

GET
H2 200 otBannerSdk.js Show response
cdn.cookielaw.org/scripttemplates/6.16.0/ 374 KB
83 KB 16ms
16ms Script
application/javascript 2606:4700::6810:9440
CLOUDFLARENET

General

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Full URL

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

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:9440 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

353bcd41d11cc5a2bcb6763c269e41ac785c06ace29ac10053bb7c0fa3bf1ecf

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-ms-blob-type: BlockBlob
date: Mon, 25 Jul 2022 09:11:44 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: dGCXlveaBvO7BI0nfZKP+g==
age: 3635
vary: Accept-Encoding
content-length: 85065
x-ms-lease-status: unlocked
last-modified: Thu, 06 May 2021 19:31:04 GMT
server: cloudflare
etag: 0x8D910C57D52F14C
expect-ct: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-type: application/javascript
access-control-allow-origin: *
x-ms-request-id: 1b57f3ba-101e-0146-1681-134025000000
access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control: max-age=14400
x-ms-version: 2009-09-19
accept-ranges: bytes
cf-ray: 7303c516498b9c00-FRA

POST
H/1.1 200
OK postback Show response
s.lmepbq.com/2/2.65.0/891112/AWivq2QMEedCceyk/ 0
145 B 123ms
31ms XHR
text/plain 52.17.239.19
AMAZON-02

General

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Full URL: https://s.lmepbq.com/2/2.65.0/891112/AWivq2QMEedCceyk/postback?oz_pl=1&mo=2&pd=acc&ci=891112&ck=9b53da4f-2116-46e9-910d-31c2f1529390&dt=8911121635444670059000&_x=1
Requested by: Host: s.lmepbq.com
URL: https://s.lmepbq.com/ag/891112/clear.js?ck=9b53da4f-2116-46e9-910d-31c2f1529390&dt=8911121635444670059000&mo=2&pd=acc
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 52.17.239.19 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS: ec2-52-17-239-19.eu-west-1.compute.amazonaws.com
Software: /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://www.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36
Content-Type: text/plain

Response headers

Access-Control-Allow-Origin: *
Date: Mon, 25 Jul 2022 09:11:43 GMT
Timing-Allow-Origin: *
Content-Length: 0
Vary: Origin

GET
H/1.1 200
OK main.js Show response
s.lmepbq.com/2/2.65.0/ 161 KB
51 KB 31ms
31ms Script
text/javascript 52.17.239.19
AMAZON-02

General

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Full URL

https://s.lmepbq.com/2/2.65.0/main.js

Requested by

Host: s.lmepbq.com
URL: https://s.lmepbq.com/ag/891112/clear.js?ck=9b53da4f-2116-46e9-910d-31c2f1529390&dt=8911121635444670059000&mo=2&pd=acc

Protocol

HTTP/1.1

Security

TLS 1.2, ECDHE_ECDSA, AES_128_GCM

Server

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

Reverse DNS

ec2-52-17-239-19.eu-west-1.compute.amazonaws.com

Software

Resource Hash

fd3426cdb2484fb89b9edf7ee87fe982afcce2f1dbe4ada3f77bee8456e02db7

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

Date: Mon, 25 Jul 2022 09:11:43 GMT
Content-Encoding: br
Accept-Ch: Viewport-Width, Viewport-Height, Width, DPR, RTT, ECT, Device-Memory, Downlink, Save-Data
Vary: Origin, Accept-Encoding
Content-Type: text/javascript; charset=utf-8
Cache-Control: public, no-transform, immutable, max-age=999999999
Strict-Transport-Security: max-age=31536000; includeSubDomains
Timing-Allow-Origin: *
Content-Length: 51487
Expires: Thu, 02 Apr 2054 09:13:40 GMT

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 305ms
99ms Preflight 52.4.119.24
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: 52.4.119.24 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-52-4-119-24.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/103.0.5060.134 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Mon, 25 Jul 2022 09:11:44 GMT
server: Jetty(9.2.z-SNAPSHOT)

GET
H2 200 gtm.js Show response
www.googletagmanager.com/ 189 KB
63 KB 88ms
24ms Script
application/javascript 2a00:1450:4001:827::2008
GOOGLE

General

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Full URL

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

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-49f26439.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:827::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

f314038fe4380c332c61c53d44ef81d88f75a5572cf3c87dbf8fe2f19bcb6545

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

date: Mon, 25 Jul 2022 09:11:44 GMT
content-encoding: br
server: Google Tag Manager
access-control-allow-headers: Cache-Control
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
access-control-allow-origin: *
cache-control: private, max-age=900
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
strict-transport-security: max-age=31536000; includeSubDomains
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: 64531
x-xss-protection: 0
expires: Mon, 25 Jul 2022 09:11:44 GMT

GET
H2 200 7408-2395f8e5.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 595 B
857 B 23ms
23ms Script
application/javascript 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/7408-2395f8e5.js
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-881d1504.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: be8e5c505a35eb427ed9620ee67ae679c467bcdd02cef628aab4b0e25364b639

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Fri, 03 Jun 2022 02:33:42 GMT
content-encoding: gzip
last-modified: Thu, 02 Jun 2022 23:16:14 GMT
server: AmazonS3
age: 4516683
etag: "ed453b86cfd6df9167b748ca2756cb11"
x-cache: Hit from cloudfront
content-type: application/javascript
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
cache-control: max-age=315360000
x-amz-cf-pop: FRA60-P2
accept-ranges: bytes
content-length: 461
x-amz-cf-id: NLmgWyFThxeo0Ih02Pnmq2NYBPELEe9w12LuBvw6Xfiae8rH4OmOgg==

GET
H2 200 2668-7d78959b.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 8 KB
4 KB 23ms
23ms Script
application/javascript 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/2668-7d78959b.js
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/manifest-881d1504.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 329eaa3f88f43f88f3733bd99a140701d06e5e73e77518b5bc5440708ce9773d

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Thu, 09 Jun 2022 03:49:20 GMT
content-encoding: gzip
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Request headers

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Response headers

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20 KB 24ms
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application/javascript 2600:9000:2250:a600:7:60cd:e840:21
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Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/1114-cf1c8264.js
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Response headers

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/4000-83b69636.css
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Response headers

x-amz-server-side-encryption: AES256
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Response headers

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Response headers

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Response headers

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x-amz-server-side-encryption: AES256
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x-amz-server-side-encryption: AES256
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server: AmazonS3
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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/feature-check.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
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Response headers

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/laptop-features.svg
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Response headers

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/ebdcc22deaf0f85388fcb09e7ecfbe78.svg
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Response headers

x-amz-server-side-encryption: AES256
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1 KB 25ms
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image/svg+xml 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash/a4d5fab3d1926c240cb2ae696b07d156.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/css/app-c0f80507.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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Request headers

accept-language: de-DE,de;q=0.9
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Sun, 05 Jun 2022 01:00:42 GMT
content-encoding: gzip
last-modified: Fri, 03 Jun 2022 21:15:05 GMT
server: AmazonS3
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3 KB 25ms
25ms Image
image/svg+xml 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/duo-plus-fly-circle-2.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/css/app-c0f80507.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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Request headers

accept-language: de-DE,de;q=0.9
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Wed, 24 Nov 2021 05:40:11 GMT
content-encoding: gzip
last-modified: Wed, 24 Nov 2021 05:09:48 GMT
server: AmazonS3
age: 21007894
etag: "7922007db0b05726103c308b5df7b626"
x-cache: Hit from cloudfront
content-type: image/svg+xml
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cache-control: max-age=315360000
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GET
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d35aaqx5ub95lt.cloudfront.net/images/ 10 KB
4 KB 25ms
25ms Image
image/svg+xml 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/duo-traveler.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/css/app-c0f80507.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://d35aaqx5ub95lt.cloudfront.net/css/app-c0f80507.css
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Mon, 13 Jun 2022 05:00:34 GMT
content-encoding: gzip
last-modified: Sat, 11 Jun 2022 17:33:48 GMT
server: AmazonS3
age: 3643871
etag: "c48919507d403107837ccbe0fadee20e"
x-cache: Hit from cloudfront
content-type: image/svg+xml
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cache-control: max-age=315360000
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GET
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2 KB 26ms
25ms Image
image/svg+xml 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/laptop-schools.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/css/app-c0f80507.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Wed, 01 Jun 2022 20:07:30 GMT
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server: AmazonS3
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x-cache: Hit from cloudfront
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5 KB 26ms
26ms Image
image/svg+xml 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/9cb1bd734855384c2de08fe80443af9f.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/css/app-c0f80507.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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Request headers

accept-language: de-DE,de;q=0.9
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Tue, 17 May 2022 03:14:10 GMT
content-encoding: gzip
last-modified: Tue, 17 May 2022 00:09:39 GMT
server: AmazonS3
age: 5983055
etag: "fc65d7c47932493c6d5527bdfdf38cbe"
x-cache: Hit from cloudfront
content-type: image/svg+xml
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
cache-control: max-age=315360000
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GET
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6 KB 26ms
26ms Image
image/svg+xml 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/efficacyPage/5b117228254f9a9d8c7f541734f18225.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/css/app-c0f80507.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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Request headers

accept-language: de-DE,de;q=0.9
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Thu, 02 Jun 2022 03:57:19 GMT
content-encoding: gzip
last-modified: Wed, 01 Jun 2022 22:15:40 GMT
server: AmazonS3
age: 4598066
etag: "208fe7733f52be46b81849f621d66c50"
x-cache: Hit from cloudfront
content-type: image/svg+xml
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
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GET
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40 KB 35ms
10ms Font
binary/octet-stream 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

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Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/vendor/c1ebba64155e95ff69b9b3efb15c219a.woff2
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/css/3893-1d2e33a8.css
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Security: TLS 1.3, , AES_128_GCM
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Reverse DNS
Software: AmazonS3 /
Resource Hash: e1e9eeca8bc059f303794f02f8d790fa8e63990823c837d01b7cb1d212c7bb5e

Request headers

Referer: https://d35aaqx5ub95lt.cloudfront.net/css/3893-1d2e33a8.css
Origin: https://www.duolingo.com
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

date: Fri, 01 Jul 2022 02:04:46 GMT
content-encoding: gzip
vary: Origin
age: 2099219
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 40217
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last-modified: Thu, 30 Jun 2022 22:14:58 GMT
server: AmazonS3
etag: "6e2d84769c2fcf9f14bc1589ac305c67"
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GET
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43 KB 42ms
16ms Font
binary/octet-stream 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

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Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/vendor/b391a1740855adb49e1bfc5fbe836c5c.woff2
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/css/3893-1d2e33a8.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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Software: AmazonS3 /
Resource Hash: b833b31a4168038802debcbd61d69df32b1188018d8b2009a51ccc6f6b50a61e

Request headers

Referer: https://d35aaqx5ub95lt.cloudfront.net/css/3893-1d2e33a8.css
Origin: https://www.duolingo.com
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

date: Fri, 24 Jun 2022 05:51:13 GMT
content-encoding: gzip
vary: Origin
age: 2690431
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 43013
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server: AmazonS3
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POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 114ms
113ms XHR
text/plain 52.4.119.24
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/3893-ed897736.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.4.119.24 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 25 Jul 2022 09:11:44 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
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GET
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1 KB 8ms
7ms Image
image/svg+xml 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/dca3b978d07a7dfc05adb1d5526e9e21.svg
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Software: AmazonS3 /
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Mon, 27 Jun 2022 04:30:36 GMT
content-encoding: gzip
last-modified: Fri, 24 Jun 2022 16:20:15 GMT
server: AmazonS3
age: 2436068
etag: "d2215ff5facdeb0b5d70ebc4efae5c3b"
x-cache: Hit from cloudfront
content-type: image/svg+xml
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
cache-control: max-age=315360000
x-amz-cf-pop: FRA60-P2
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GET
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39 KB 9ms
8ms Image
image/svg+xml 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

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Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/vendor/87938207afff1598611ba626a8c4827c.svg
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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Software: AmazonS3 /
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-amz-server-side-encryption: AES256
date: Wed, 29 Jun 2022 19:39:29 GMT
content-encoding: gzip
last-modified: Wed, 29 Jun 2022 19:23:34 GMT
server: AmazonS3
age: 2208736
etag: "0ec579405fb93a7ea3455bae76261d4d"
x-cache: Hit from cloudfront
content-type: image/svg+xml
via: 1.1 935770605c74a80712059ba5b24d4162.cloudfront.net (CloudFront)
cache-control: max-age=315360000
x-amz-cf-pop: FRA60-P2
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OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 285ms
98ms Preflight 52.4.119.24
AMAZON-AES

General

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Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.4.119.24 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-52-4-119-24.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/103.0.5060.134 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
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access-control-allow-origin: *
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date: Mon, 25 Jul 2022 09:11:44 GMT
server: Jetty(9.2.z-SNAPSHOT)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 284ms
98ms Preflight 52.4.119.24
AMAZON-AES

General

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Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.4.119.24 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-52-4-119-24.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/103.0.5060.134 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Mon, 25 Jul 2022 09:11:44 GMT
server: Jetty(9.2.z-SNAPSHOT)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 282ms
98ms Preflight 52.4.119.24
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: 52.4.119.24 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-52-4-119-24.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/103.0.5060.134 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Mon, 25 Jul 2022 09:11:44 GMT
server: Jetty(9.2.z-SNAPSHOT)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 283ms
99ms Preflight 52.4.119.24
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: 52.4.119.24 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-52-4-119-24.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/103.0.5060.134 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Mon, 25 Jul 2022 09:11:44 GMT
server: Jetty(9.2.z-SNAPSHOT)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 282ms
99ms Preflight 52.4.119.24
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: 52.4.119.24 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-52-4-119-24.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/103.0.5060.134 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Mon, 25 Jul 2022 09:11:44 GMT
server: Jetty(9.2.z-SNAPSHOT)

OPTIONS
H2 200 config
stories.duolingo.com/api2/ Frame 0
0 307ms
103ms Preflight 54.204.199.13
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL

https://stories.duolingo.com/api2/config?fields=courses&fromLanguage=en&_=1658740304623

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-54-204-199-13.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/103.0.5060.134 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: Mon, 25 Jul 2022 09:11:44 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 8ms
6ms XHR
image/svg+xml 2600:9000:2250:a600:7:60cd:e840:21
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/3893-ed897736.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 43de60f58f47997a3f62dc59cea1ad81dfacbe9a22aa4c3fcf871757e2d8cfbb

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

date: Mon, 18 Apr 2022 18:35:59 GMT
content-encoding: gzip
vary: Origin
age: 8433346
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 550
access-control-allow-origin: https://www.duolingo.com
last-modified: Mon, 18 Apr 2022 16:06:02 GMT
server: AmazonS3
etag: "88a68f33e1a558d348cecef53d577c8c"
access-control-max-age: 3000
access-control-allow-methods: GET
content-type: image/svg+xml
via: 1.1 d20f19c14113bb86116d01e6cb4e2844.cloudfront.net (CloudFront)
cache-control: max-age=315360000
access-control-allow-credentials: true
x-amz-cf-pop: FRA60-P2
accept-ranges: bytes
x-amz-cf-id: kst86JlFo2RavuKBDnTZiGS5Euk8QDVtYZXRoRc7kEnTJTKe5V_rew==

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 109ms
108ms XHR
text/plain 52.4.119.24
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/3893-ed897736.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.4.119.24 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-52-4-119-24.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 25 Jul 2022 09:11:44 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 9ms
8ms XHR
image/svg+xml 2600:9000:2250:a600:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/4a9f9204e7e5c1d3ed3b79b7b7af8568.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3893-ed897736.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:2250:a600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 0d25c4f8566c3384a46ea7afb1bc6294809ab884f9bdca5bdbb780807fa01c64

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

date: Mon, 18 Apr 2022 18:35:59 GMT
content-encoding: gzip
vary: Origin
age: 8433346
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 429
access-control-allow-origin: https://www.duolingo.com
last-modified: Mon, 18 Apr 2022 16:06:02 GMT
server: AmazonS3
etag: "f4fdc5ec4b21ebe6ac25f936500d3691"
access-control-max-age: 3000
access-control-allow-methods: GET
content-type: image/svg+xml
via: 1.1 d20f19c14113bb86116d01e6cb4e2844.cloudfront.net (CloudFront)
cache-control: max-age=315360000
access-control-allow-credentials: true
x-amz-cf-pop: FRA60-P2
accept-ranges: bytes
x-amz-cf-id: rOiF3S1dnoXVtQ4xYmeqYkE9LJsiebtbYVxSJTaNdJfRdlN7UWOzww==

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 108ms
107ms XHR
text/plain 52.4.119.24
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/3893-ed897736.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.4.119.24 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-52-4-119-24.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 25 Jul 2022 09:11:44 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 113ms
111ms XHR
text/plain 52.4.119.24
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/3893-ed897736.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.4.119.24 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-52-4-119-24.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 25 Jul 2022 09:11:44 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 116ms
115ms XHR
text/plain 52.4.119.24
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/3893-ed897736.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.4.119.24 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-52-4-119-24.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 25 Jul 2022 09:11:44 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 110ms
109ms XHR
text/plain 52.4.119.24
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/3893-ed897736.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.4.119.24 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-52-4-119-24.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 25 Jul 2022 09:11:44 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain; charset=ISO-8859-1
access-control-allow-origin: *
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 34

GET
H2 200 list Show response
www.duolingo.com/api/1/courses/ 28 KB
4 KB 188ms
187ms XHR
application/json 44.199.145.147
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL

https://www.duolingo.com/api/1/courses/list?_=1658740304620

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3893-ed897736.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-44-199-145-147.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

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Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
X-Requested-With: XMLHttpRequest
accept-language: de-DE,de;q=0.9
X-Amzn-Trace-Id: User=0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 25 Jul 2022 09:11:44 GMT
content-encoding: gzip
server: duo-api
x-ws: UK
no-retry: 1
x-tid: ffff00e362de5e100066
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: 86
x-runtime: 0.08432
expires: 0

GET
H2 404 web.json Show response
brb.duolingo.com/0/ 345 B
768 B 228ms
198ms XHR
text/html 18.66.139.113
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://brb.duolingo.com/0/web.json?user=0&ts=1658740304&tzoffset=0
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3893-ed897736.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 18.66.139.113 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-18-66-139-113.fra60.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 3dc638ea50fd40a1c28ac070c519f9ed4592e50a229e6c4417a64e9abf9b75a4

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

date: Mon, 25 Jul 2022 09:11:44 GMT
via: 1.1 e65c822edea04e16936bdb4537763dd4.cloudfront.net (CloudFront)
server: AmazonS3
x-amz-cf-pop: FRA60-P4
vary: Origin,Access-Control-Request-Headers,Access-Control-Request-Method
access-control-allow-methods: GET, HEAD
content-type: text/html; charset=utf-8
access-control-allow-origin: https://www.duolingo.com
access-control-max-age: 3000
access-control-allow-credentials: true
x-cache: Error from cloudfront
content-length: 345
x-amz-cf-id: ny4nP5BvaPZvirVVpuLA3wqQOdXZhQTbHa3G935P0FRJ1Vfcn2gaFQ==

GET
H2 200 config Show response
www.duolingo.com/2017-06-30/ 3 KB
2 KB 114ms
114ms XHR
application/json 44.199.145.147
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL

https://www.duolingo.com/2017-06-30/config?fields=ageRestrictionLimit,clientExperiments%7Bseo_dictionary_bread_crumbs%7D,courses,dictionaryHost,featureFlags,ipCountry,speechHost&_=1658740304623

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3893-ed897736.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-44-199-145-147.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

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Security Headers

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

Request headers

Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
X-Requested-With: XMLHttpRequest
accept-language: de-DE,de;q=0.9
X-Amzn-Trace-Id: User=0
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GET
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2 KB 301ms
102ms XHR
application/json 54.204.199.13
AMAZON-AES

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Full URL

https://stories.duolingo.com/api2/config?fields=courses&fromLanguage=en&_=1658740304623

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Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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Response headers

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POST
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1 KB 212ms
212ms XHR
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AMAZON-AES

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

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URL: https://d35aaqx5ub95lt.cloudfront.net/js/3893-ed897736.js

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POST
H/1.1 200
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30ms XHR
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AMAZON-02

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Full URL: https://s.lmepbq.com/2/2.65.0/891112/AWivq2QMEedCceyk/postback?oz_pl=1&mo=2&pd=acc&ci=891112&ck=9b53da4f-2116-46e9-910d-31c2f1529390&dt=8911121635444670059000&_x=1
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36
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Access-Control-Allow-Origin: *
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Timing-Allow-Origin: *
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GET
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20 KB 49ms
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text/javascript 2a00:1450:4001:80e::200e
GOOGLE

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

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Response headers

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expires: Mon, 25 Jul 2022 11:02:00 GMT

GET
H3

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9814127.fls.doubleclick.net/ Frame D8C0
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477 B
407 B

65ms
38ms

Document
text/html

142.250.185.102
GOOGLE

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Full URL

https://9814127.fls.doubleclick.net/activityi;dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F?

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Host: www.googletagmanager.com
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Protocol

Security

QUIC, , AES_128_GCM

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Software

cafe /

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GET
H2 200 conversion_async.js Show response
www.googleadservices.com/pagead/ 40 KB
15 KB 72ms
32ms Script
text/javascript 142.250.184.194
GOOGLE

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Full URL

https://www.googleadservices.com/pagead/conversion_async.js

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

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Software

cafe /

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Request headers

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expires: Mon, 25 Jul 2022 09:11:44 GMT

GET
H2 200 fbevents.js Show response
connect.facebook.net/en_US/ 98 KB
27 KB 26ms
9ms Script
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FACEBOOK

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Full URL

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

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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cache-control: public, max-age=1200
x-fb-rlafr: 0
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 135ms
58ms Script
application/javascript 52.215.31.205
AMAZON-02

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Full URL: https://c0.adalyser.com/adalyser.js?cid=duolingo
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
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Response headers

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GET
H2 200 otFlat.json Show response
cdn.cookielaw.org/scripttemplates/6.16.0/assets/ 12 KB
3 KB 16ms
15ms Fetch
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https://cdn.cookielaw.org/scripttemplates/6.16.0/assets/otFlat.json

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Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3893-ed897736.js

Protocol

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TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:9440 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

eb1fa7363d6e4772f7c49d67f031d68f209e66de6c3c05aade6fdc57a02505c1

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

x-ms-blob-type: BlockBlob
date: Mon, 25 Jul 2022 09:11:44 GMT
content-encoding: gzip
x-content-type-options: nosniff
cf-cache-status: HIT
content-md5: DKM3/i+7h7Fs8cEMor3s2A==
age: 6246
vary: Accept-Encoding
content-length: 2938
x-ms-lease-status: unlocked
last-modified: Thu, 06 May 2021 19:30:47 GMT
server: cloudflare
etag: 0x8D910C572DA86E8
expect-ct: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-type: application/json
access-control-allow-origin: *
x-ms-request-id: bdc151d9-201e-00e0-51c0-113e6e000000
access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control: max-age=14400
x-ms-version: 2009-09-19
accept-ranges: bytes
cf-ray: 7303c5191c87913d-FRA

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 114ms
113ms XHR
text/plain 52.4.119.24
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/3893-ed897736.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.4.119.24 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-52-4-119-24.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 25 Jul 2022 09:11:45 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain; charset=ISO-8859-1
access-control-allow-origin: *
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 34

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 98ms
98ms Preflight 52.4.119.24
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: 52.4.119.24 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-52-4-119-24.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/103.0.5060.134 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Mon, 25 Jul 2022 09:11:44 GMT
server: Jetty(9.2.z-SNAPSHOT)

GET
H2 200 1735692093320310 Show response
connect.facebook.net/signals/config/ 293 KB
84 KB 9ms
8ms Script
application/x-javascript 2a03:2880:f01c:8012:face:b00c:0:3
FACEBOOK

General

Check archive.org

Show headers Download Go to

Full URL

https://connect.facebook.net/signals/config/1735692093320310?v=2.9.66&r=stable

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

Resource Hash

740c8f1bbc690ff198e50eaae0fa8096c3e52e68ef2b3fa800dad255e762552d

Security Headers

Name	Value
Content-Security-Policy	default-src facebook.net .facebook.net fbcdn.net .fbcdn.net fbsbx.com .fbsbx.com data: blob: 'self';script-src .fbcdn.net .facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net .facebook.net fbcdn.net .fbcdn.net fbsbx.com .fbsbx.com;connect-src .fbcdn.net .facebook.net wss://*.fbcdn.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c&minimize=0;
Strict-Transport-Security	max-age=31536000; preload; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

content-security-policy: default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net wss://*.fbcdn.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c&minimize=0;
content-encoding: gzip
x-content-type-options: nosniff
document-policy: force-load-at-top
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400,h3-29=":443"; ma=86400
content-length: 86136
x-xss-protection: 0
pragma: public
x-fb-debug: ec5j6BRZOB81/HlFsDAh/JK6sfB3pl+pznzFcrneVRrC6S7gPgtIjkRySdfm3Bicr4liyceatS57sFAf17rwHw==
x-fb-trip-id: 686109401
cross-origin-opener-policy: same-origin-allow-popups
x-frame-options: DENY
date: Mon, 25 Jul 2022 09:11:44 GMT
strict-transport-security: max-age=31536000; preload; includeSubDomains
content-type: application/x-javascript; charset=utf-8
vary: Accept-Encoding
cache-control: public, max-age=1200
x-fb-rlafr: 0
expires: Sat, 01 Jan 2000 00:00:00 GMT

GET
BLOB 200
OK 802d78ed-5f82-416d-8369-2cc2e41da3a0
https://www.duolingo.com/ Frame C68D 185 B
0 Other
application/javascript

General

Check archive.org

Show headers Download Go to

Full URL: blob:https://www.duolingo.com/802d78ed-5f82-416d-8369-2cc2e41da3a0
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: BLOB
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 848fe19ed492948709b881f504ce2eb6274baa694606ca88eb9b2990a2460caf

Request headers

accept-language: de-DE,de;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

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

POST
H3 200 collect Show response
www.google-analytics.com/j/ 2 B
22 B 71ms
20ms XHR
text/plain 2a00:1450:4001:80e::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google-analytics.com/j/collect?v=1&_v=j96&a=2112423217&t=pageview&_s=1&dl=https%3A%2F%2Fwww.duolingo.com%2F&ul=en-us&de=UTF-8&dt=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YEBAAEABAAAAAC~&jid=841253496&gjid=1011638759&cid=302898346.1658740305&tid=UA-21595814-1&_gid=1999947272.1658740305&_r=1&gtm=2wg7k0TX6Z97C&did=i5iSjo&z=1828896574

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3893-ed897736.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:80e::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

de3246094525b21a870fc7d2a67490d0132535c6fa5993755c549f1a9d1bd8af

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://www.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
date: Mon, 25 Jul 2022 09:11:44 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://www.duolingo.com
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 2
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H3 200 / Show response
www.googleadservices.com/pagead/conversion/397119219/ 2 KB
1 KB 58ms
27ms Script
text/javascript 142.250.184.194
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googleadservices.com/pagead/conversion/397119219/?random=1658740304895&cv=9&fst=1658740304895&num=1&value=1&label=k0ETCJGBvf0BEPOdrr0B&bg=ffffff&guid=ON&resp=GooglemKTybQhCsO&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=0&u_java=false&u_nplug=3&u_nmime=4&gtm=2wg7k0&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&auid=201863005.1658740305&hn=www.googleadservices.com&bttype=purchase&async=1&rfmt=3&fmt=4

Requested by

Host: www.googleadservices.com
URL: https://www.googleadservices.com/pagead/conversion_async.js

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

fra24s11-in-f2.1e100.net

Software

cafe /

Resource Hash

191bf5fd6a2466c2fdba19de1f00b545a8c58be72598a2a6e8dc6e732b333a81

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 25 Jul 2022 09:11:44 GMT
content-encoding: gzip
x-content-type-options: nosniff
server: cafe
timing-allow-origin: *
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, must-revalidate
cross-origin-resource-policy: cross-origin
content-disposition: attachment; filename="f.txt"
content-type: text/javascript; charset=UTF-8
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: 1232
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 /
www.facebook.com/tr/ 44 B
297 B 28ms
8ms Image
image/gif 2a03:2880:f11c:8183:face:b00c:0:25de
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=1658740304910&sw=1600&sh=1200&v=2.9.66&r=stable&ec=0&o=29&fbp=fb.1.1658740304909.789788256&it=1658740304873&coo=false&rqm=GET

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

proxygen-bolt /

Resource Hash

10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

date: Mon, 25 Jul 2022 09:11:44 GMT
last-modified: Fri, 21 Dec 2012 00:00:01 GMT
server: proxygen-bolt
strict-transport-security: max-age=31536000; includeSubDomains
content-type: image/gif
cache-control: no-cache, must-revalidate, max-age=0
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length: 44
expires: Mon, 25 Jul 2022 09:11:44 GMT

GET
H2 200 p
c0.adalyser.com/tracking/track/v3/ 43 B
341 B 31ms
30ms Image
image/gif 52.215.31.205
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://c0.adalyser.com/tracking/track/v3/p?stm=1658740304954&e=lce1&url=https%3A%2F%2Fwww.duolingo.com%2F&cid=duolingo&p=%7B%22et%22%3A1658740304952%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%22316163b4-2abd-4299-9288-d14ed8c3039f%22%2C%22duid%22%3A%22657d7eda-f354-4af4-a070-f5bc4753bc46%22%2C%22cw%22%3A1658740304952%7D&userAgent=Mozilla%2F5.0%20(Windows%20NT%2010.0%3B%20Win64%3B%20x64)%20AppleWebKit%2F537.36%20(KHTML%2C%20like%20Gecko)%20Chrome%2F103.0.5060.134%20Safari%2F537.36&domain=www.duolingo.com
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.215.31.205 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS: ec2-52-215-31-205.eu-west-1.compute.amazonaws.com
Software: / Express
Resource Hash: a065920df8cc4016d67c3a464be90099c9d28ffe7c9e6ee3a18f257efc58cbd7

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 25 Jul 2022 09:11:44 GMT
x-powered-by: Express
etag: W/"2b-B//0C13UlayirE4cP7xgqg"
p3p: CP="ADMa OUR IND DSP NON COR"
access-control-allow-origin: *
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
content-type: image/gif
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 56ms
18ms XHR
text/plain 2a00:1450:400c:c08::9d
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=j96&tid=UA-21595814-1&cid=302898346.1658740305&jid=841253496&gjid=1011638759&_gid=1999947272.1658740305&_u=YEBAAEAAAAAAAC~&z=532354083

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3893-ed897736.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:400c:c08::9d Brussels, Belgium, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

84e01419bd81f32ac6df0f75f49c604fda9172000a3ae432b3c47b2a6a712d80

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: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
strict-transport-security: max-age=10886400; includeSubDomains; preload
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
date: Mon, 25 Jul 2022 09:11:45 GMT
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
H3

200

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

https://googleads.g.doubleclick.net/pagead/viewthroughconversion/397119219/?random=509607895&cv=9&fst=1658740304895&num=1&value=1&label=k0ETCJGBvf0BEPOdrr0B&bg=ffffff&guid=ON&resp=GooglemKTybQhCsO&...
https://www.google.com/pagead/1p-conversion/397119219/?random=509607895&cv=9&fst=1658740304895&num=1&value=1&label=k0ETCJGBvf0BEPOdrr0B&bg=ffffff&guid=ON&resp=GooglemKTybQhCsO&u_h=1200&u_w=1600&u_a...
https://www.google.de/pagead/1p-conversion/397119219/?random=509607895&cv=9&fst=1658740304895&num=1&value=1&label=k0ETCJGBvf0BEPOdrr0B&bg=ffffff&guid=ON&resp=GooglemKTybQhCsO&u_h=1200&u_w=1600&u_ah...

42 B
64 B

58ms
28ms

Image
image/gif

2a00:1450:4001:80f::2003
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.de/pagead/1p-conversion/397119219/?random=509607895&cv=9&fst=1658740304895&num=1&value=1&label=k0ETCJGBvf0BEPOdrr0B&bg=ffffff&guid=ON&resp=GooglemKTybQhCsO&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=0&u_java=false&u_nplug=3&u_nmime=4&gtm=2wg7k0&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&auid=201863005.1658740305&hn=www.googleadservices.com&async=1&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&is_vtc=1&ocp_id=UF7eYtHSOZfKb_6kkOAJ&eitems=ChAI8P74lgYQhOCupZrkustIEh0ADACoLgYqHhJfS3znptgd-GV6SJmijANfFrwcmQ&random=1511044194&resp=GooglemKTybQhCsO&ipr=y&prhg=0

Requested by

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

Protocol

Server

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

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 25 Jul 2022 09:11:45 GMT
x-content-type-options: nosniff
server: cafe
timing-allow-origin: *
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
content-security-policy: script-src 'none'; object-src 'none'
content-type: image/gif
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

pragma: no-cache
date: Mon, 25 Jul 2022 09:11:45 GMT
x-content-type-options: nosniff
server: cafe
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
content-type: image/gif
location: https://www.google.de/pagead/1p-conversion/397119219/?random=509607895&cv=9&fst=1658740304895&num=1&value=1&label=k0ETCJGBvf0BEPOdrr0B&bg=ffffff&guid=ON&resp=GooglemKTybQhCsO&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=0&u_java=false&u_nplug=3&u_nmime=4&gtm=2wg7k0&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&auid=201863005.1658740305&hn=www.googleadservices.com&async=1&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&is_vtc=1&ocp_id=UF7eYtHSOZfKb_6kkOAJ&eitems=ChAI8P74lgYQhOCupZrkustIEh0ADACoLgYqHhJfS3znptgd-GV6SJmijANfFrwcmQ&random=1511044194&resp=GooglemKTybQhCsO&ipr=y&prhg=0
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
content-security-policy: script-src 'none'; object-src 'none'
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 dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F Show response
adservice.google.com/ddm/fls/i/ Frame 1F5A 476 B
851 B 86ms
51ms Document
text/html 2a00:1450:4001:813::2002
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://adservice.google.com/ddm/fls/i/dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F

Requested by

Host: 9814127.fls.doubleclick.net
URL: https://9814127.fls.doubleclick.net/activityi;dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F?

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:813::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

494632c63e3b1fbcf4a3d6007035ebd3d4290ab48bdce87186f9f76d89b9ede4

Security Headers

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

Request headers

Referer: https://9814127.fls.doubleclick.net/
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
cache-control: no-cache, must-revalidate
content-encoding: gzip
content-length: 382
content-type: text/html; charset=UTF-8
cross-origin-resource-policy: cross-origin
date: Mon, 25 Jul 2022 09:11:45 GMT
expires: Fri, 01 Jan 1990 00:00:00 GMT
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
pragma: no-cache
server: cafe
timing-allow-origin: *
x-content-type-options: nosniff
x-xss-protection: 0

GET
H2 200 ga-audiences
www.google.com/ads/ 42 B
501 B 76ms
38ms Image
image/gif 2a00:1450:4001:830::2004
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=j96&tid=UA-21595814-1&cid=302898346.1658740305&jid=841253496&_u=YEBAAEAAAAAAAC~&z=54122818

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:830::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 25 Jul 2022 09:11:45 GMT
x-content-type-options: nosniff
server: cafe
timing-allow-origin: *
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
content-type: image/gif
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.de/ads/ 42 B
501 B 84ms
37ms Image
image/gif 2a00:1450:4001:80f::2003
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.de/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j96&tid=UA-21595814-1&cid=302898346.1658740305&jid=841253496&_u=YEBAAEAAAAAAAC~&z=54122818

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 25 Jul 2022 09:11:45 GMT
x-content-type-options: nosniff
server: cafe
timing-allow-origin: *
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
content-type: image/gif
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
H3

200

dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F Show response
9814127.fls.doubleclick.net/ddm/fls/r/ Frame BAD8
Redirect Chain

https://adservice.google.de/ddm/fls/i/dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F
https://9814127.fls.doubleclick.net/ddm/fls/r/dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duol...

2 KB
919 B

39ms
38ms

Document
text/html

142.250.185.102
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://9814127.fls.doubleclick.net/ddm/fls/r/dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F

Requested by

Host: adservice.google.com
URL: https://adservice.google.com/ddm/fls/i/dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

fra16s49-in-f6.1e100.net

Software

cafe /

Resource Hash

80dfdeb912887592e93d52977096424831c238b4d704da7c521261c0670b2a29

Security Headers

Name	Value
Strict-Transport-Security	max-age=21600
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

Referer: https://adservice.google.com/
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
cache-control: private, max-age=0
content-encoding: gzip
content-length: 894
content-type: text/html; charset=UTF-8
cross-origin-resource-policy: cross-origin
date: Mon, 25 Jul 2022 09:11:45 GMT
expires: Mon, 25 Jul 2022 09:11:45 GMT
p3p: policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
server: cafe
strict-transport-security: max-age=21600
timing-allow-origin: *
x-content-type-options: nosniff
x-xss-protection: 0

Redirect headers

alt-svc: h3="googleads.g.doubleclick.net:443"; ma=2592000,h3=":443"; ma=2592000,h3-29="googleads.g.doubleclick.net:443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050="googleads.g.doubleclick.net:443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046="googleads.g.doubleclick.net:443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043="googleads.g.doubleclick.net:443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic="googleads.g.doubleclick.net:443"; ma=2592000; v="46,43",quic=":443"; ma=2592000; v="46,43"
cache-control: no-cache, must-revalidate
content-length: 0
content-type: text/html; charset=UTF-8
cross-origin-resource-policy: cross-origin
date: Mon, 25 Jul 2022 09:11:45 GMT
expires: Fri, 01 Jan 1990 00:00:00 GMT
location: https://9814127.fls.doubleclick.net/ddm/fls/r/dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
pragma: no-cache
server: cafe
timing-allow-origin: *
x-content-type-options: nosniff
x-xss-protection: 0

GET
H2 200 /
insight.adsrvr.org/track/pxl/ Frame BAD8 70 B
261 B 104ms
32ms Image
image/gif 15.197.193.217
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://insight.adsrvr.org/track/pxl/?adv=h06doen&ct=0:oc83gxd&fmt=3
Requested by: Host: 9814127.fls.doubleclick.net
URL: https://9814127.fls.doubleclick.net/ddm/fls/r/dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 15.197.193.217 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: a12b7a488abeaa9e4.awsglobalaccelerator.com
Software: /
Resource Hash: 8d70b3e6badb6973663b398d297bb32eaedd08826a1af98d0a1cfce5324ffce0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://9814127.fls.doubleclick.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 25 Jul 2022 09:11:45 GMT
cache-control: private,no-cache, must-revalidate
x-aspnet-version: 4.0.30319
content-type: image/gif
p3p: CP="NOI DSP COR CUR ADMo DEVo PSAo PSDo OUR SAMo BUS UNI NAV"

GET
H2 200 core.js Show response
s.pinimg.com/ct/ Frame BAD8 1 KB
1 KB 34ms
8ms Script
application/javascript 2a04:4e42:62::84
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL: https://s.pinimg.com/ct/core.js
Requested by: Host: 9814127.fls.doubleclick.net
URL: https://9814127.fls.doubleclick.net/ddm/fls/r/dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2a04:4e42:62::84 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software: /
Resource Hash: f17de407562ed5814892a1b44c6e349761f067cf6f2360ebe2aef4f03a5bea4e

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://9814127.fls.doubleclick.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

date: Mon, 25 Jul 2022 09:11:45 GMT
fastly-restarts: 1
x-cdn: fastly
etag: "c4a0eea377c5e0da574e46f4d6e838e5"
vary: Accept-Encoding, Origin
access-control-allow-methods: GET
content-type: application/javascript
access-control-allow-origin: *
access-control-max-age: 86400
cache-control: max-age=7200
content-length: 1142
access-control-expose-headers: X-CDN

GET
H3 200 fbevents.js Show response
connect.facebook.net/en_US/ Frame BAD8 98 KB
26 KB 9ms
8ms Script
application/x-javascript 2a03:2880:f01c:8012:face:b00c:0:3
FACEBOOK

General

Check archive.org

Show headers Download Go to

Full URL

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

Requested by

Host: 9814127.fls.doubleclick.net
URL: https://9814127.fls.doubleclick.net/ddm/fls/r/dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

Software

Resource Hash

ae31d2c42bca396f9ad140594890b16f599b6cd8f36c809adac8ebd5eb45b2e5

Security Headers

Name	Value
Content-Security-Policy	default-src facebook.net .facebook.net fbcdn.net .fbcdn.net fbsbx.com .fbsbx.com data: blob: 'self';script-src .fbcdn.net .facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net .facebook.net fbcdn.net .fbcdn.net fbsbx.com .fbsbx.com;connect-src .fbcdn.net .facebook.net wss://*.fbcdn.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c&minimize=0;
Strict-Transport-Security	max-age=31536000; preload; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://9814127.fls.doubleclick.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

content-security-policy: default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net wss://*.fbcdn.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c&minimize=0;
content-encoding: gzip
x-content-type-options: nosniff
document-policy: force-load-at-top
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400,h3-29=":443"; ma=86400
content-length: 26093
x-xss-protection: 0
pragma: public
x-fb-debug: puNVs1GjCnXikXEr6SscMPb87CA1XwYqqxAM2oZf9dSb9TMXfxcQcFH95TbN5G0bPUXRWi5oDb0RNFiMf1hVbg==
cross-origin-opener-policy: same-origin-allow-popups
x-frame-options: DENY
date: Mon, 25 Jul 2022 09:11:45 GMT
strict-transport-security: max-age=31536000; preload; includeSubDomains
report-to: {"max_age":2592000,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/?minimize=0"}],"group":"coop_report","include_subdomains":true}
content-type: application/x-javascript; charset=utf-8
vary: Accept-Encoding
cache-control: public, max-age=1200
x-fb-rlafr: 0
priority: u=3,i
expires: Sat, 01 Jan 2000 00:00:00 GMT

GET
H3 200 1735692093320310 Show response
connect.facebook.net/signals/config/ Frame BAD8 293 KB
84 KB 8ms
8ms Script
application/x-javascript 2a03:2880:f01c:8012:face:b00c:0:3
FACEBOOK

General

Check archive.org

Show headers Download Go to

Full URL

https://connect.facebook.net/signals/config/1735692093320310?v=2.9.66&r=stable

Requested by

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

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

Software

Resource Hash

740c8f1bbc690ff198e50eaae0fa8096c3e52e68ef2b3fa800dad255e762552d

Security Headers

Name	Value
Content-Security-Policy	default-src facebook.net .facebook.net fbcdn.net .fbcdn.net fbsbx.com .fbsbx.com data: blob: 'self';script-src .fbcdn.net .facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net .facebook.net fbcdn.net .fbcdn.net fbsbx.com .fbsbx.com;connect-src .fbcdn.net .facebook.net wss://*.fbcdn.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c&minimize=0;
Strict-Transport-Security	max-age=31536000; preload; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://9814127.fls.doubleclick.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

content-security-policy: default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net wss://*.fbcdn.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c&minimize=0;
content-encoding: gzip
x-content-type-options: nosniff
document-policy: force-load-at-top
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400,h3-29=":443"; ma=86400
content-length: 86136
x-xss-protection: 0
pragma: public
x-fb-debug: ec5j6BRZOB81/HlFsDAh/JK6sfB3pl+pznzFcrneVRrC6S7gPgtIjkRySdfm3Bicr4liyceatS57sFAf17rwHw==
cross-origin-opener-policy: same-origin-allow-popups
x-frame-options: DENY
date: Mon, 25 Jul 2022 09:11:45 GMT
strict-transport-security: max-age=31536000; preload; includeSubDomains
content-type: application/x-javascript; charset=utf-8
vary: Accept-Encoding
cache-control: public, max-age=1200
x-fb-rlafr: 0
priority: u=3,i
expires: Sat, 01 Jan 2000 00:00:00 GMT

GET
H2 200 main.32155010.js Show response
s.pinimg.com/ct/lib/ Frame BAD8 52 KB
18 KB 8ms
7ms Script
application/javascript 2a04:4e42:62::84
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL: https://s.pinimg.com/ct/lib/main.32155010.js
Requested by: Host: s.pinimg.com
URL: https://s.pinimg.com/ct/core.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2a04:4e42:62::84 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software: /
Resource Hash: 83912349e8bc8f0ec2084562dc5e71e06f33a3dfcad4899af80117a7174be14d

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://9814127.fls.doubleclick.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

date: Mon, 25 Jul 2022 09:11:45 GMT
content-encoding: gzip
fastly-restarts: 1
x-cdn: fastly
etag: "fd86de14455274a7c147dc95b77e18e3"
vary: Accept-Encoding, Origin
access-control-allow-methods: GET
content-type: application/javascript
access-control-allow-origin: *
access-control-max-age: 86400
cache-control: max-age=1209600
content-length: 18298
access-control-expose-headers: X-CDN

GET
H3 200 /
www.facebook.com/tr/ Frame BAD8 44 B
91 B 18ms
7ms Image
image/gif 2a03:2880:f11c:8183:face:b00c:0:25de
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%2F9814127.fls.doubleclick.net%2Fddm%2Ffls%2Fr%2Fdc_pre%3DCLiBmJXZk_kCFSSx7QodDggOkg%3Bsrc%3D9814127%3Btype%3Dhv3%3Bcat%3Dallpa0%3Bord%3D9020684704919%3Bgtm%3D2wg7k0%3Bauiddc%3D201863005.1658740305%3B~oref%3Dhttps%253A%252F%252Fwww.duolingo.com%252F&rl=https%3A%2F%2Fadservice.google.com%2F&if=true&ts=1658740305299&sw=1600&sh=1200&v=2.9.66&r=stable&ec=0&o=30&it=1658740305267&coo=false&rqm=GET

Requested by

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

Software

proxygen-bolt /

Resource Hash

10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://9814127.fls.doubleclick.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

date: Mon, 25 Jul 2022 09:11:45 GMT
last-modified: Fri, 21 Dec 2012 00:00:01 GMT
server: proxygen-bolt
strict-transport-security: max-age=31536000; includeSubDomains
content-type: image/gif
cache-control: no-cache, must-revalidate, max-age=0
cross-origin-resource-policy: cross-origin
content-length: 44
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400
priority: u=3,i
expires: Mon, 25 Jul 2022 09:11:45 GMT

GET
H2 200 / Show response
ct.pinterest.com/user/ Frame BAD8 488 B
740 B 56ms
34ms XHR
application/json 151.101.192.84
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL: https://ct.pinterest.com/user/?tid=2612728976278&pd=%7B%22em%22%3A%2224aba99b2defbb47ee981b4200313f61f3ae31541d8717bdac1e463c838939b0%22%7D&cb=1658740305309
Requested by: Host: s.pinimg.com
URL: https://s.pinimg.com/ct/lib/main.32155010.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 151.101.192.84 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software: /
Resource Hash: 540548b12b5a362a5fa54de526a5870cc89ef6f431387c20cd25e82b4f6cd9d0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://9814127.fls.doubleclick.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 25 Jul 2022 09:11:45 GMT
content-encoding: gzip
referrer-policy: origin
x-cdn: fastly
content-type: application/json; charset=utf-8
access-control-allow-origin: https://9814127.fls.doubleclick.net
access-control-expose-headers: Epik,Pin-Unauth
cache-control: no-cache,no-store,must-revalidate,max-age=0
pin-unauth: dWlkPU5UaGxORGswTUdJdFpHWTFOaTAwTXpoakxXRTVZbU10T0RZNVlUTTJZVGxoTWpFMA
x-pinterest-rid: 1076168744642282
x-envoy-upstream-service-time: 2
access-control-allow-credentials: true
content-length: 350
expires: Sat, 01 Jan 2000 00:00:00 GMT

GET
H2 200 /
ct.pinterest.com/v3/ Frame BAD8 35 B
93 B 55ms
35ms Image
image/gif 151.101.192.84
FASTLY

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://ct.pinterest.com/v3/?tid=2612728976278&pd=%7B%22em%22%3A%2224aba99b2defbb47ee981b4200313f61f3ae31541d8717bdac1e463c838939b0%22%7D&event=init&ad=%7B%22loc%22%3A%22https%3A%2F%2F9814127.fls.doubleclick.net%2Fddm%2Ffls%2Fr%2Fdc_pre%3DCLiBmJXZk_kCFSSx7QodDggOkg%3Bsrc%3D9814127%3Btype%3Dhv3%3Bcat%3Dallpa0%3Bord%3D9020684704919%3Bgtm%3D2wg7k0%3Bauiddc%3D201863005.1658740305%3B~oref%3Dhttps%253A%252F%252Fwww.duolingo.com%252F%22%2C%22ref%22%3A%22https%3A%2F%2Fadservice.google.com%2F%22%2C%22if%22%3Atrue%2C%22sh%22%3A1200%2C%22sw%22%3A1600%2C%22mh%22%3A%2232155010%22%2C%22architecture%22%3A%22%22%2C%22bitness%22%3A%22%22%2C%22brands%22%3A%5B%5D%2C%22mobile%22%3Afalse%2C%22model%22%3A%22%22%2C%22platform%22%3A%22%22%2C%22platformVersion%22%3A%22%22%2C%22uaFullVersion%22%3A%22%22%2C%22ecm_enabled%22%3Afalse%7D&cb=1658740305311
Requested by: Host: 9814127.fls.doubleclick.net
URL: https://9814127.fls.doubleclick.net/ddm/fls/r/dc_pre=CLiBmJXZk_kCFSSx7QodDggOkg;src=9814127;type=hv3;cat=allpa0;ord=9020684704919;gtm=2wg7k0;auiddc=201863005.1658740305;~oref=https%3A%2F%2Fwww.duolingo.com%2F
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 151.101.192.84 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software: /
Resource Hash: 37b17c5135a176a9474521af147d96dfa1fb4ca0f43f00d1400bd1885be3ab9b

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://9814127.fls.doubleclick.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 25 Jul 2022 09:11:45 GMT
referrer-policy: origin
x-cdn: fastly
content-type: image/gif
access-control-allow-origin: *
cache-control: no-cache,no-store,must-revalidate,max-age=0
x-envoy-upstream-service-time: 2
x-pinterest-rid: 1753968621511290
content-length: 35
expires: Sat, 01 Jan 2000 00:00:00 GMT

GET
BLOB 200
OK 9452dfc6-ded6-4c5e-93da-6427f0be8bf3
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/9452dfc6-ded6-4c5e-93da-6427f0be8bf3
Protocol: BLOB
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: f64027412386663a1b3b4e62c92ed33494bd6ee004efcb04d320ee270c6d5289

Request headers

accept-language: de-DE,de;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

Content-Length: 787

GET
H3 200 /
www.facebook.com/tr/ Frame BAD8 44 B
88 B 7ms
7ms Image
image/gif 2a03:2880:f11c:8183:face:b00c:0:25de
FACEBOOK

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.facebook.com/tr/?id=1735692093320310&ev=Microdata&dl=https%3A%2F%2F9814127.fls.doubleclick.net%2Fddm%2Ffls%2Fr%2Fdc_pre%3DCLiBmJXZk_kCFSSx7QodDggOkg%3Bsrc%3D9814127%3Btype%3Dhv3%3Bcat%3Dallpa0%3Bord%3D9020684704919%3Bgtm%3D2wg7k0%3Bauiddc%3D201863005.1658740305%3B~oref%3Dhttps%253A%252F%252Fwww.duolingo.com%252F&rl=https%3A%2F%2Fadservice.google.com%2F&if=true&ts=1658740306803&cd[DataLayer]=%5B%5D&cd[Meta]=%7B%22title%22%3A%22%22%7D&cd[OpenGraph]=%7B%7D&cd[Schema.org]=%5B%5D&cd[JSON-LD]=%5B%5D&sw=1600&sh=1200&v=2.9.66&r=stable&ec=1&o=30&it=1658740305267&coo=false&es=automatic&tm=3&rqm=GET

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

Software

proxygen-bolt /

Resource Hash

10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://9814127.fls.doubleclick.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36

Response headers

date: Mon, 25 Jul 2022 09:11:46 GMT
last-modified: Fri, 21 Dec 2012 00:00:01 GMT
server: proxygen-bolt
strict-transport-security: max-age=31536000; includeSubDomains
content-type: image/gif
cache-control: no-cache, must-revalidate, max-age=0
cross-origin-resource-policy: cross-origin
content-length: 44
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400
priority: u=3,i
expires: Mon, 25 Jul 2022 09:11:46 GMT

Verdicts & Comments Add Verdict or Comment

102 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.

21 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 13:31:16	Name: logged_out_uuid Value: d46f8c28-ddf7-4f87-8dbf-24c4f3ac447a
.duolingo.com/	1970-01-20 13:31:16	Name: lang Value: de
www.duolingo.com/	1969-12-31 23:59:59	Name: wuuid Value: 9b53da4f-2116-46e9-910d-31c2f1529390
.duolingo.com/	1970-01-20 13:31:16	Name: tsl Value: 1658740304505
.duolingo.com/	1970-01-20 13:31:16	Name: lu Value: https://www.duolingo.com/
.duolingo.com/	1970-01-20 13:31:16	Name: initial_referrer Value: $direct
.duolingo.com/	1970-01-20 13:31:16	Name: lr Value:
.duolingo.com/	1970-01-20 13:31:16	Name: lp Value: splash
.duolingo.com/	1970-01-20 06:55:16	Name: _gcl_au Value: 1.1.201863005.1658740305
www.duolingo.com/	1970-01-20 04:55:45	Name: AWSALB Value: Y7qJzCkdYmWX4fulXHeJ/1gBAB/NZmuzhJdPTZaEluvOz/twiZEv029/wWAGkCkwpFAGrtRqoO72zGD/NqMeeGM9lCeYxZYph8cp2zAwa0kkQ6MaLsqsp6fVO82o
www.duolingo.com/	1970-01-20 04:55:45	Name: AWSALBCORS Value: Y7qJzCkdYmWX4fulXHeJ/1gBAB/NZmuzhJdPTZaEluvOz/twiZEv029/wWAGkCkwpFAGrtRqoO72zGD/NqMeeGM9lCeYxZYph8cp2zAwa0kkQ6MaLsqsp6fVO82o
.duolingo.com/	1970-01-20 09:04:52	Name: OptanonConsent Value: isGpcEnabled=0&datestamp=Mon+Jul+25+2022+09%3A11%3A44+GMT%2B0000+(GMT)&version=6.16.0&isIABGlobal=false&consentId=a2d882f8-8e65-4188-942a-2cc2f282992f&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 22:16:52	Name: _ga Value: GA1.2.302898346.1658740305
.duolingo.com/	1970-01-20 04:47:06	Name: _gid Value: GA1.2.1999947272.1658740305
.duolingo.com/	1970-01-20 04:45:40	Name: _gat_UA-21595814-1 Value: 1
.duolingo.com/	1970-01-20 06:55:16	Name: _fbp Value: fb.1.1658740304909.789788256
.duolingo.com/	1970-01-20 04:45:42	Name: __adal_ses Value: *
.duolingo.com/	1970-01-20 22:16:52	Name: __adal_id Value: 657d7eda-f354-4af4-a070-f5bc4753bc46.1658740305.1.1658740305.1658740305.316163b4-2abd-4299-9288-d14ed8c3039f
.duolingo.com/	1970-01-20 09:04:52	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 04:55:45	Name: __adal_cw Value: 1658740304952
.doubleclick.net/	1970-01-20 14:07:16	Name: IDE Value: AHWqTUl8i9S4Svw7jB76iHTWr37iPnMbbOFD_B0dP15OXgiqJ6XZrGhTRrphHTg6bBc

3 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://brb.duolingo.com/0/web.json?user=0&ts=1658740304&tzoffset=0 Message: Failed to load resource: the server responded with a status of 404 ()
worker	error	URL: blob:https://www.duolingo.com/802d78ed-5f82-416d-8369-2cc2e41da3a0 Message: Mixed Content: The page at 'blob:https://www.duolingo.com/802d78ed-5f82-416d-8369-2cc2e41da3a0' 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/802d78ed-5f82-416d-8369-2cc2e41da3a0 Message: Mixed Content: The page at 'blob:https://www.duolingo.com/802d78ed-5f82-416d-8369-2cc2e41da3a0' was loaded over HTTPS, but requested an insecure XMLHttpRequest endpoint 'chrome-extension://cplklnmnlbnpmjogncfgfijoopmnlemp/skin/logo24.png'. This request has been blocked; the content must be served over HTTPS.

Security Headers

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

Header	Value
X-Frame-Options	SAMEORIGIN

Indicators

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

9814127.fls.doubleclick.net
adservice.google.com
adservice.google.de
brb.duolingo.com
c0.adalyser.com
cdn.cookielaw.org
connect.facebook.net
ct.pinterest.com
d35aaqx5ub95lt.cloudfront.net
duolingo.com
excess.duolingo.com
geolocation.onetrust.com
googleads.g.doubleclick.net
insight.adsrvr.org
s.lmepbq.com
s.pinimg.com
stats.g.doubleclick.net
stories.duolingo.com
www.duolingo.com
www.facebook.com
www.google-analytics.com
www.google.com
www.google.de
www.googleadservices.com
www.googletagmanager.com
142.250.184.194
142.250.185.102
15.197.193.217
151.101.192.84
18.66.139.113
2600:9000:2250:a600:7:60cd:e840:21
2606:4700:4400::ac40:929e
2606:4700::6810:9440
2a00:1450:4001:809::2002
2a00:1450:4001:80e::200e
2a00:1450:4001:80f::2003
2a00:1450:4001:812::2002
2a00:1450:4001:813::2002
2a00:1450:4001:827::2008
2a00:1450:4001:830::2004
2a00:1450:400c:c08::9d
2a03:2880:f01c:8012:face:b00c:0:3
2a03:2880:f11c:8183:face:b00c:0:25de
2a04:4e42:62::84
44.199.145.147
52.17.239.19
52.215.31.205
52.4.119.24
54.165.40.136
54.204.199.13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www.duolingo.com Open in urlscan Pro 44.199.145.147 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

96 Requests

97 %HTTPS

56 %IPv6

17 Domains

25 Subdomains

23 IPs

4 Countries

1261 kBTransfer

4055 kBSize

21 Cookies

47 Outgoing links

Page URL History

Redirected requests

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

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

Screenshot
Live screenshot

Full Image

96
Requests

97 %
HTTPS

56 %
IPv6

17
Domains

25
Subdomains

23
IPs

4
Countries

1261 kB
Transfer

4055 kB
Size

21
Cookies

96 HTTP transactions
0 data transactions