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

Go To Rescan
Add Verdict Report

Submitted URL:
http://www.duolingo.com/
Effective URL:
https://www.duolingo.com/
Submission: On February 17 via api (February 17th 2020, 1:48:33 am UTC) from US

Summary HTTP 62 Redirects Links 43 Behaviour Indicators

Summary

This website contacted 10 IPs in 4 countries across 10 domains to perform 62 HTTP transactions. The main IP is 54.156.185.212, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is www.duolingo.com.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on January 18th 2019. Valid for: 2 years.

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 5	54.156.185.212 54.156.185.212	14618 (AMAZON-AES) (AMAZON-AES)
37	2600:9000:215... 2600:9000:2156:d400:7:60cd:e840:21	16509 (AMAZON-02) (AMAZON-02)
1	2a00:1450:400... 2a00:1450:4001:806::2008	15169 (GOOGLE) (GOOGLE)
12	3.216.214.83 3.216.214.83	14618 (AMAZON-AES) (AMAZON-AES)
1	151.101.14.110 151.101.14.110	54113 (FASTLY) (FASTLY)
1 2	2a00:1450:400... 2a00:1450:4001:824::200e	15169 (GOOGLE) (GOOGLE)
2	2a03:2880:f02... 2a03:2880:f02d:12:face:b00c:0:3	32934 (FACEBOOK) (FACEBOOK)
2	35.190.10.112 35.190.10.112	15169 (GOOGLE) (GOOGLE)
1 1	2a00:1450:400... 2a00:1450:400c:c00::9c	15169 (GOOGLE) (GOOGLE)
1 1	2a00:1450:400... 2a00:1450:4001:815::2004	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:817::2003	15169 (GOOGLE) (GOOGLE)
1	2a03:2880:f12... 2a03:2880:f12d:83:face:b00c:0:25de	32934 (FACEBOOK) (FACEBOOK)
62	10

5 54.156.185.212 (Ashburn, United States) 1 redirects

ASN14618 (AMAZON-AES, US)
PTR: ec2-54-156-185-212.compute-1.amazonaws.com

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

37 2600:9000:2156:d400:7:60cd:e840:21 (United States)

ASN16509 (AMAZON-02, US)

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

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

ASN15169 (GOOGLE, US)

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

12 3.216.214.83 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-3-216-214-83.compute-1.amazonaws.com

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

1 151.101.14.110 (Frankfurt am Main, Germany)

ASN54113 (FASTLY, US)

client.perimeterx.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:824::200e (Frankfurt am Main, Germany) 1 redirects

ASN15169 (GOOGLE, US)

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

2 2a03:2880:f02d:12:face:b00c:0:3 (Ireland)

ASN32934 (FACEBOOK, US)

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

2 35.190.10.112 (Mountain View, United States)

ASN15169 (GOOGLE, US)
PTR: 112.10.190.35.bc.googleusercontent.com

collector-pxasqjfz9w.perimeterx.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

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

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:815::2004 (Frankfurt am Main, Germany) 1 redirects

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:817::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2a03:2880:f12d:83:face:b00c:0:25de (Ireland)

ASN32934 (FACEBOOK, US)

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

	Apex Domain Subdomains	Transfer
37	cloudfront.net d35aaqx5ub95lt.cloudfront.net	501 KB
17	duolingo.com 1 redirects www.duolingo.com excess.duolingo.com	16 KB
3	perimeterx.net client.perimeterx.net collector-pxasqjfz9w.perimeterx.net	28 KB
2	facebook.net connect.facebook.net	142 KB
2	google-analytics.com 1 redirects www.google-analytics.com	18 KB
1	facebook.com www.facebook.com	247 B
1	google.de www.google.de	109 B
1	google.com 1 redirects www.google.com	189 B
1	doubleclick.net 1 redirects stats.g.doubleclick.net	162 B
1	googletagmanager.com www.googletagmanager.com	25 KB
62	10

	Domain	Requested by
37	d35aaqx5ub95lt.cloudfront.net	www.duolingo.com d35aaqx5ub95lt.cloudfront.net
12	excess.duolingo.com	d35aaqx5ub95lt.cloudfront.net www.duolingo.com
5	www.duolingo.com	1 redirects d35aaqx5ub95lt.cloudfront.net
2	collector-pxasqjfz9w.perimeterx.net	d35aaqx5ub95lt.cloudfront.net
2	connect.facebook.net	www.duolingo.com connect.facebook.net
2	www.google-analytics.com	1 redirects www.googletagmanager.com
1	www.facebook.com	www.duolingo.com
1	www.google.de	www.duolingo.com
1	www.google.com	1 redirects
1	stats.g.doubleclick.net	1 redirects
1	client.perimeterx.net	d35aaqx5ub95lt.cloudfront.net
1	www.googletagmanager.com	d35aaqx5ub95lt.cloudfront.net
62	12

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

Domain
itunes.apple.com
play.google.com
schools.duolingo.com
research.duolingo.com
incubator.duolingo.com
englishtest.duolingo.com
tinycards.duolingo.com
podcast.duolingo.com
stories.duolingo.com
www.microsoft.com
forum.duolingo.com
status.duolingo.com
making.duolingo.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
tr.duolingo.com
uk.duolingo.com
vi.duolingo.com
zs.duolingo.com

Subject Issuer	Validity	Valid
*.duolingo.com Go Daddy Secure Certificate Authority - G2	`2019-01-18` - `2021-01-18`	2 years	crt.sh
*.cloudfront.net DigiCert Global CA G2	`2019-07-17` - `2020-07-05`	a year	crt.sh
*.google-analytics.com GTS CA 1O1	`2020-01-29` - `2020-04-22`	3 months	crt.sh
f4.shared.global.fastly.net GlobalSign CloudSSL CA - SHA256 - G3	`2019-04-10` - `2020-03-21`	a year	crt.sh
*.facebook.com DigiCert SHA2 High Assurance Server CA	`2020-01-16` - `2020-04-15`	3 months	crt.sh
perimeterx.net GeoTrust RSA CA 2018	`2019-07-03` - `2021-08-31`	2 years	crt.sh
www.google.de GTS CA 1O1	`2020-01-29` - `2020-04-22`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://www.duolingo.com/
Frame ID: CE71F90B77B3FB050592AF9F6C8A3CF0
Requests: 62 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page URL History Show full URLs

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

Detected technologies

React (JavaScript Frameworks) Expand

Overall confidence: 100%
Detected patterns

html /<[^>]+data-react/i

Facebook (Widgets) Expand

Overall confidence: 100%
Detected patterns

script /\/\/connect\.facebook\.net\/[^\/]*\/[a-z]*\.js/i

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

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

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

html /googletagmanager\.com\/ns\.html[^>]+><\/iframe>/i

Page Statistics

62
Requests

100 %
HTTPS

67 %
IPv6

10
Domains

12
Subdomains

10
IPs

4
Countries

730 kB
Transfer

2387 kB
Size

15
Cookies

43 Outgoing links

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

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://tinycards.duolingo.com/
Title: Tinycards

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://stories.duolingo.com/
Title: Stories

Search URL Search Domain Scan URL

URL: https://play.google.com/store/apps/details?hl=en&id=com.duolingo&referrer=utm_source%3Dduolingo.com%26utm_medium%3Dduolingo_web%26utm_content%3Dtext_link%26utm_campaign%3Dfooter_site-map
Title: Duolingo for Android

Search URL Search Domain Scan URL

URL: https://www.microsoft.com/store/apps/duolingo-learn-languages-for-free/9wzdncrcv5xn
Title: Duolingo for Windows

Search URL Search Domain Scan URL

URL: https://itunes.apple.com/app/apple-store/id1109425556?pt=1374442&ct=Site%20map&mt=8
Title: Tinycards (iOS)

Search URL Search Domain Scan URL

URL: https://forum.duolingo.com/
Title: Discussion

Search URL Search Domain Scan URL

URL: https://schools.duolingo.com/help
Title: Schools FAQs

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: http://making.duolingo.com/
Title: Blog

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 51

https://www.google-analytics.com/r/collect?v=1&_v=j81&a=250617999&t=pageview&_s=1&dl=https%3A%2F%2Fwww.duolingo.com%2F&ul=en-us&de=UTF-8&dt=Duolingo%20-%20The%20world%27s%20best%20way%20to%20learn%20a%20language&sd=24-bit&sr=1600x1200&vp=1585x1200&je=0&_u=YEBAAEAB~&jid=547755730&gjid=851547705&cid=11217154.1581904092&tid=UA-21595814-1&_gid=1239902629.1581904092&_r=1&gtm=2wg250TX6Z97C&did=i5iSjo&z=211500848 HTTP 302
https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-21595814-1&cid=11217154.1581904092&jid=547755730&_gid=1239902629.1581904092&gjid=851547705&_v=j81&z=211500848 HTTP 302
https://www.google.com/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-21595814-1&cid=11217154.1581904092&jid=547755730&_v=j81&z=211500848 HTTP 302
https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-21595814-1&cid=11217154.1581904092&jid=547755730&_v=j81&z=211500848&slf_rd=1&random=2033953668

62 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://www.duolingo.com/
https://www.duolingo.com/

19 KB
6 KB

357ms
145ms

Document
text/html

54.156.185.212
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

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

Reverse DNS

ec2-54-156-185-212.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

6568b8a6fa4a70147c01e52c192b40813a7673c76ae25c835e42fc2e4da111fd

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

:method: GET
:authority: www.duolingo.com
:scheme: https
:path: /
pragma: no-cache
cache-control: no-cache
upgrade-insecure-requests: 1
user-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site: none
sec-fetch-mode: navigate
sec-fetch-user: ?1
accept-encoding: gzip, deflate, br
accept-language: en-US
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36

Response headers

status: 200
date: Mon, 17 Feb 2020 01:48:11 GMT
content-type: text/html; charset=UTF-8
set-cookie: AWSALB=q3mDteFd9+sNyQxYvyPNBy/N5YvJx81QHQuSecT+9M3/y/gx9hbZlBrkhBd+J6/KCV8j/A35hLYgcC5xx2FgXovROinz4ym7UZ/e5qhG+JaAMpiCbbhW7j5Sz9Dj; Expires=Mon, 24 Feb 2020 01:48:11 GMT; Path=/ AWSALBCORS=q3mDteFd9+sNyQxYvyPNBy/N5YvJx81QHQuSecT+9M3/y/gx9hbZlBrkhBd+J6/KCV8j/A35hLYgcC5xx2FgXovROinz4ym7UZ/e5qhG+JaAMpiCbbhW7j5Sz9Dj; Expires=Mon, 24 Feb 2020 01:48:11 GMT; Path=/; SameSite=None; Secure logged_out_uuid=3e9b08b2-171c-426e-9137-034fff584dd4; Domain=.duolingo.com; Max-Age=31536000; Path=/; expires=Tue, 16-Feb-2021 01:48:11 GMT lang=en; Domain=.duolingo.com; Max-Age=31536000; Path=/; expires=Tue, 16-Feb-2021 01:48:11 GMT wuuid=1b8fc74b-26b1-4f38-8302-4a7dd03781f2
server: duo-api
surrogate-control: no-store
expires: 0
pragma: no-cache
cache-control: no-store, no-cache, must-revalidate, proxy-revalidate
x-frame-options: SAMEORIGIN
x-tid: ffff076f5e49f0890067
x-ws: UK
x-runtime: 0.03592
x-ipcountry: US
content-encoding: gzip
x-envoy-upstream-service-time: 39
x-duo-request-host: www.duolingo.com

Redirect headers

Date: Mon, 17 Feb 2020 01:48:11 GMT
Content-Length: 0
Connection: keep-alive
location: https://www.duolingo.com/
x-duo-request-host: www.duolingo.com
server: duo-api

GET
H2 200 app-e8ceaed4.css
d35aaqx5ub95lt.cloudfront.net/css/ 81 KB
19 KB 36ms
7ms Stylesheet
text/css 2600:9000:2156:d400:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/app-e8ceaed4.css
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:2156:d400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: e05e6a1de6e2dc1ea67b8027949108e43ab4abcfe61f949395cef31e6ef03630

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Sec-Fetch-Dest: style

Response headers

date: Mon, 10 Feb 2020 19:58:11 GMT
content-encoding: gzip
last-modified: Mon, 10 Feb 2020 19:42:08 GMT
server: AmazonS3
age: 539402
etag: "965addb957ee1b1b7942c2c21d98fbb1"
x-cache: Hit from cloudfront
content-type: text/css
status: 200
cache-control: max-age=315360000
x-amz-cf-pop: FRA50-C1
accept-ranges: bytes
content-length: 18992
via: 1.1 cdb2dba3874dd4d7b53213b8c63a0997.cloudfront.net (CloudFront)
x-amz-cf-id: ILXK86aA_FH9KL4qkNQGlxpBo-1RoqO3188Gb1Rq4i0BNgGag7fy5g==

GET
H2 200 reactVendor.react-router-7f78d032.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 21 KB
7 KB 57ms
28ms Script
application/javascript 2600:9000:2156:d400:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-router-7f78d032.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:2156:d400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 303c08d5c1b14c2d85c0d3dc8bdecf71ee780d614ee248640e40616f7da7f38b

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Sec-Fetch-Dest: script

Response headers

date: Mon, 10 Feb 2020 19:58:11 GMT
content-encoding: gzip
last-modified: Mon, 10 Feb 2020 19:42:18 GMT
server: AmazonS3
age: 539402
etag: "267978424b301212591f35b2056859ab"
x-cache: Hit from cloudfront
content-type: application/javascript
status: 200
cache-control: max-age=315360000
x-amz-cf-pop: FRA50-C1
accept-ranges: bytes
content-length: 6905
via: 1.1 cdb2dba3874dd4d7b53213b8c63a0997.cloudfront.net (CloudFront)
x-amz-cf-id: 1U_PFUNIRHi54CtnxHfWyvHfRD18b-_5VUG7CWWHK95SXdAg0AglgA==

GET
H2 200 reactVendor.react-redux-cf2fa004.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 11 KB
4 KB 39ms
10ms Script
application/javascript 2600:9000:2156:d400:7:60cd:e840:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-redux-cf2fa004.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:2156:d400:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 98a97aa76e0afb2811890935d025af9a5cb3d7e7fc04e3933ba1c57065e76b62

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Sec-Fetch-Dest: script

Response headers

date: Mon, 10 Feb 2020 19:58:11 GMT
content-encoding: gzip
last-modified: Mon, 10 Feb 2020 19:42:17 GMT
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GET
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d35aaqx5ub95lt.cloudfront.net/js/ 929 KB
257 KB 47ms
19ms Script
application/javascript 2600:9000:2156:d400:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cc79dc9b.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
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Request headers

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Response headers

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GET
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www.googletagmanager.com/ 69 KB
25 KB 15ms
15ms Script
application/javascript 2a00:1450:4001:806::2008
GOOGLE

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Full URL

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

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cc79dc9b.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Software

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Resource Hash

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Request headers

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Response headers

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GET
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d35aaqx5ub95lt.cloudfront.net/js/ 15 KB
4 KB 6ms
6ms Script
application/javascript 2600:9000:2156:d400:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/commonRoutesDynamic-d90b9bda.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
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Request headers

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Response headers

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AMAZON-AES

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Full URL: https://excess.duolingo.com/batch
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cc79dc9b.js
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Response headers

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OPTIONS
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102ms XHR
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AMAZON-AES

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Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cc79dc9b.js
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Response headers

date: Mon, 17 Feb 2020 01:48:12 GMT
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GET
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27 KB 74ms
23ms Script
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FASTLY

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Full URL: https://client.perimeterx.net/PXAsQJFZ9W/main.min.js
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URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cc79dc9b.js
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Request headers

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Response headers

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24 KB 7ms
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image/svg+xml 2600:9000:2156:d400:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/icon-sprite8.svg
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Response headers

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2 KB 7ms
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image/svg+xml 2600:9000:2156:d400:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/star-pattern.svg
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Request headers

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Response headers

date: Fri, 14 Jun 2019 00:53:09 GMT
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1 KB 7ms
7ms Image
image/svg+xml 2600:9000:2156:d400:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/earth-two-rings.svg
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Request headers

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Response headers

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AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/juicy-flag-sprite-7.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
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Response headers

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2 KB 7ms
7ms Image
image/svg+xml 2600:9000:2156:d400:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/owls/spread.svg
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Response headers

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621 B 9ms
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image/svg+xml 2600:9000:2156:d400:7:60cd:e840:21
AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/play-icon.svg
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Response headers

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GET
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1 KB 13ms
12ms Image
image/svg+xml 2600:9000:2156:d400:7:60cd:e840:21
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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/laptop-features.svg
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AMAZON-02

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Response headers

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GET
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2 KB 112ms
111ms XHR
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AMAZON-AES

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Full URL

https://www.duolingo.com/2017-06-30/config?_=1581904092235

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
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Protocol

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Software

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POST
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1015 B 1086ms
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application/json 54.156.185.212
AMAZON-AES

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Full URL

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Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

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Software

duo-api /

Resource Hash

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Security Headers

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Request headers

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Response headers

date: Mon, 17 Feb 2020 01:48:13 GMT
x-ws: UK
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OPTIONS
H2 200 batch Show response
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278 B 230ms
104ms XHR
text/plain 3.216.214.83
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/app-cc79dc9b.js
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Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
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Response headers

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AMAZON-02

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/logo-white.svg
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Request headers

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Response headers

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OPTIONS
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278 B 230ms
104ms XHR
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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/app-cc79dc9b.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
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date: Mon, 17 Feb 2020 01:48:12 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
access-control-allow-origin: *
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OPTIONS
H2 200 batch Show response
excess.duolingo.com/ 0
278 B 229ms
104ms XHR
text/plain 3.216.214.83
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/app-cc79dc9b.js
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date: Mon, 17 Feb 2020 01:48:12 GMT
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access-control-allow-origin: *
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OPTIONS
H2 200 batch Show response
excess.duolingo.com/ 0
278 B 229ms
104ms XHR
text/plain 3.216.214.83
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/app-cc79dc9b.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
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Request headers

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Access-Control-Request-Headers: content-type

Response headers

date: Mon, 17 Feb 2020 01:48:12 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
access-control-allow-origin: *
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4 KB 210ms
209ms XHR
application/json 54.156.185.212
AMAZON-AES

General

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Full URL

https://www.duolingo.com/api/1/courses/list?_=1581904092303

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cc79dc9b.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

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Software

duo-api /

Resource Hash

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Response headers

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GET
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18 KB 6ms
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GOOGLE

General

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Full URL

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

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

Software

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Request headers

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Response headers

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GET
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connect.facebook.net/en_US/ 126 KB
30 KB 6ms
6ms Script
application/x-javascript 2a03:2880:f02d:12:face:b00c:0:3
FACEBOOK

General

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Show headers Download Go to

Full URL

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

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

Software

Resource Hash

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Security Headers

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Request headers

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Response headers

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POST
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430 B 84ms
44ms XHR
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GOOGLE

General

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Full URL: https://collector-pxasqjfz9w.perimeterx.net/api/v2/collector
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
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Request headers

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Response headers

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GET
H2

200

ga-audiences
www.google.de/ads/
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42 B
109 B

17ms
17ms

Image
image/gif

2a00:1450:4001:817::2003
GOOGLE

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Full URL

https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-21595814-1&cid=11217154.1581904092&jid=547755730&_v=j81&z=211500848&slf_rd=1&random=2033953668

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:817::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

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Resource Hash

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Security Headers

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Request headers

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Response headers

pragma: no-cache
date: Mon, 17 Feb 2020 01:48:12 GMT
x-content-type-options: nosniff
content-type: image/gif
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Redirect headers

pragma: no-cache
date: Mon, 17 Feb 2020 01:48:12 GMT
x-content-type-options: nosniff
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GET
H2 200 1735692093320310 Show response
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112 KB 74ms
74ms Script
application/x-javascript 2a03:2880:f02d:12:face:b00c:0:3
FACEBOOK

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Full URL

https://connect.facebook.net/signals/config/1735692093320310?v=2.9.15&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:f02d:12:face:b00c:0:3 , Ireland, ASN32934 (FACEBOOK, US),

Reverse DNS

Software

Resource Hash

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Security Headers

Name	Value
Content-Security-Policy	default-src * data: blob:;script-src .facebook.com .fbcdn.net .facebook.net .google-analytics.com .virtualearth.net .google.com 127.0.0.1:* .spotilocal.com: 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' ;connect-src .facebook.com facebook.com .fbcdn.net .facebook.net .spotilocal.com: wss://.facebook.com: https://fb.scanandcleanlocal.com:* attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' chrome-extension://boadgeojelhgndaghljhdicfkmllpafd chrome-extension://dliochdbjfkdbacpmhlcpmleaejidimm;
Strict-Transport-Security	max-age=31536000; preload; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	0

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Sec-Fetch-Dest: script

Response headers

strict-transport-security: max-age=31536000; preload; includeSubDomains
content-encoding: gzip
x-content-type-options: nosniff
status: 200
alt-svc: h3-24=":443"; ma=3600
x-xss-protection: 0
pragma: public
x-fb-debug: EpEAX5/vYoE8k9CqzkSiAl+xeykFU0uLRuUpCSxa0mvbBUERF6d9hOBOeS+6CQIoZi4TDzzXdz0AnV5t4ur9JA==
x-fb-trip-id: 2047048586
date: Mon, 17 Feb 2020 01:48:12 GMT, Mon, 17 Feb 2020 01:48:12 GMT
x-frame-options: DENY
content-type: application/x-javascript; charset=utf-8
vary: Accept-Encoding
cache-control: public, max-age=1200
content-security-policy: default-src * data: blob:;script-src *.facebook.com *.fbcdn.net *.facebook.net *.google-analytics.com *.virtualearth.net *.google.com 127.0.0.1:* *.spotilocal.com:* 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' *;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net *.spotilocal.com:* wss://*.facebook.com:* https://fb.scanandcleanlocal.com:* attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' chrome-extension://boadgeojelhgndaghljhdicfkmllpafd chrome-extension://dliochdbjfkdbacpmhlcpmleaejidimm;
expires: Sat, 01 Jan 2000 00:00:00 GMT

GET
H2 200 /
www.facebook.com/tr/ 44 B
247 B 6ms
6ms Image
image/gif 2a03:2880:f12d:83: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=1581904092514&sw=1600&sh=1200&v=2.9.15&r=stable&ec=0&o=29&fbp=fb.1.1581904092513.1073006491&it=1581904092415&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:f12d:83:face:b00c:0:25de , Ireland, ASN32934 (FACEBOOK, US),

Reverse DNS

Software

proxygen-bolt /

Resource Hash

10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa

Security Headers

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

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Sec-Fetch-Dest: image

Response headers

date: Mon, 17 Feb 2020 01:48:12 GMT, Mon, 17 Feb 2020 01:48:12 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
status: 200
cache-control: no-cache, must-revalidate, max-age=0
alt-svc: h3-24=":443"; ma=3600
content-length: 44
expires: Mon, 17 Feb 2020 01:48:12 GMT

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
312 B 219ms
219ms XHR
text/plain 3.216.214.83
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 3.216.214.83 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-3-216-214-83.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
Sec-Fetch-Dest: empty
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 17 Feb 2020 01:48:12 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
status: 200
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 226ms
226ms XHR
text/plain 3.216.214.83
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 3.216.214.83 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-3-216-214-83.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
Sec-Fetch-Dest: empty
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 17 Feb 2020 01:48:12 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
status: 200
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 216ms
216ms XHR
text/plain 3.216.214.83
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 3.216.214.83 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-3-216-214-83.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
Sec-Fetch-Dest: empty
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 17 Feb 2020 01:48:12 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
status: 200
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 199ms
199ms XHR
text/plain 3.216.214.83
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 3.216.214.83 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-3-216-214-83.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
Sec-Fetch-Dest: empty
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 17 Feb 2020 01:48:12 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
status: 200
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 187ms
186ms XHR
text/plain 3.216.214.83
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 3.216.214.83 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-3-216-214-83.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
Sec-Fetch-Dest: empty
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 17 Feb 2020 01:48:12 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
status: 200
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 202ms
202ms XHR
text/plain 3.216.214.83
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 3.216.214.83 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-3-216-214-83.compute-1.amazonaws.com
Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
Sec-Fetch-Dest: empty
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Content-type: application/json

Response headers

date: Mon, 17 Feb 2020 01:48:12 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
status: 200
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 collector Show response
collector-pxasqjfz9w.perimeterx.net/api/v2/ 366 B
434 B 42ms
42ms XHR
application/json 35.190.10.112
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL: https://collector-pxasqjfz9w.perimeterx.net/api/v2/collector
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cc79dc9b.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 35.190.10.112 Mountain View, United States, ASN15169 (GOOGLE, US),
Reverse DNS: 112.10.190.35.bc.googleusercontent.com
Software: /
Resource Hash: 0f73ae1fd3b47b64bcd5c210a98800b5499603765e76286b830b877acde5d227

Request headers

Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
Sec-Fetch-Dest: empty
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Content-type: application/x-www-form-urlencoded

Response headers

date: Mon, 17 Feb 2020 01:48:13 GMT
via: 1.1 google
status: 200
access-control-allow-methods: GET,HEAD,PUT,PATCH,POST,DELETE
content-type: application/json; charset=utf-8
access-control-allow-origin: https://www.duolingo.com
access-control-allow-credentials: true
timing-allow-origin: *
alt-svc: clear
content-length: 366

Verdicts & Comments Add Verdict or Comment

34 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.

15 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/	1970-01-19 09:34:40	Name: _fbp Value: fb.1.1581904092513.1073006491
www.duolingo.com/	1970-01-19 07:35:08	Name: AWSALBCORS Value: fGhKJHmzjMFMo+C/rmjEwv31lPgHVA7YA6FwzUlAzxQ2QncXmfOeA2pCoS7MM9LxncLbwOkgEd+dPL9CyZZgE3V05nFQyT+n5+dEJFquSG2R6wo+NomeS2BVifK9
.duolingo.com/	1970-01-19 16:10:40	Name: tsl Value: 1581904092201
.duolingo.com/	1970-01-20 00:56:16	Name: _ga Value: GA1.2.11217154.1581904092
.duolingo.com/	1970-01-19 16:10:40	Name: lp Value: splash
.duolingo.com/	1970-01-19 16:10:40	Name: lu Value: https://www.duolingo.com/
.duolingo.com/	1970-01-19 07:25:04	Name: _gat_UA-21595814-1 Value: 1
.duolingo.com/	1970-01-19 07:26:30	Name: _gid Value: GA1.2.1239902629.1581904092
.duolingo.com/	1970-01-19 16:10:40	Name: lr Value:
.duolingo.com/	1970-01-19 16:10:40	Name: initial_referrer Value: $direct
.duolingo.com/	1970-01-19 16:10:40	Name: logged_out_uuid Value: 3e9b08b2-171c-426e-9137-034fff584dd4
www.duolingo.com/	1970-01-19 07:35:08	Name: AWSALB Value: fGhKJHmzjMFMo+C/rmjEwv31lPgHVA7YA6FwzUlAzxQ2QncXmfOeA2pCoS7MM9LxncLbwOkgEd+dPL9CyZZgE3V05nFQyT+n5+dEJFquSG2R6wo+NomeS2BVifK9
.duolingo.com/	1970-01-19 20:22:40	Name: _pxvid Value: 8e7fb811-5127-11ea-9873-0242ac120009
www.duolingo.com/	1969-12-31 23:59:59	Name: wuuid Value: 1b8fc74b-26b1-4f38-8302-4a7dd03781f2
.duolingo.com/	1970-01-19 16:10:40	Name: lang Value: en

1 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
console-api	log	URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cc79dc9b.js(Line 94) Message: localStorage unavailable! Falling back to empty object

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.

client.perimeterx.net
collector-pxasqjfz9w.perimeterx.net
connect.facebook.net
d35aaqx5ub95lt.cloudfront.net
excess.duolingo.com
stats.g.doubleclick.net
www.duolingo.com
www.facebook.com
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
151.101.14.110
2600:9000:2156:d400:7:60cd:e840:21
2a00:1450:4001:806::2008
2a00:1450:4001:815::2004
2a00:1450:4001:817::2003
2a00:1450:4001:824::200e
2a00:1450:400c:c00::9c
2a03:2880:f02d:12:face:b00c:0:3
2a03:2880:f12d:83:face:b00c:0:25de
3.216.214.83
35.190.10.112
54.156.185.212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fed7666b461c1ea72bddfc6ceedf0a93ed005f3d65b57b83f2e0e0be4a132ad5

www.duolingo.com Open in urlscan Pro 54.156.185.212 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page URL History Show full URLs

Detected technologies

Page Statistics

62 Requests

100 %HTTPS

67 %IPv6

10 Domains

12 Subdomains

10 IPs

4 Countries

730 kBTransfer

2387 kBSize

15 Cookies

43 Outgoing links

Page URL History

Redirected requests

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

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

Screenshot
Live screenshot

Full Image

62
Requests

100 %
HTTPS

67 %
IPv6

10
Domains

12
Subdomains

10
IPs

4
Countries

730 kB
Transfer

2387 kB
Size

15
Cookies

62 HTTP transactions
0 data transactions