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

Go To Rescan
Add Verdict Report

URL:
https://www.duolingo.com/
Submission: On January 12 via manual (January 12th 2020, 10:14:54 pm UTC) from PH

Summary HTTP 65 Redirects Links 43 Behaviour Indicators

Summary

This website contacted 10 IPs in 4 countries across 10 domains to perform 65 HTTP transactions. The main IP is 3.232.176.118, located in Ashburn, United States and belongs to AMAZON-AES - Amazon.com, Inc., 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
4	3.232.176.118 3.232.176.118	14618 (AMAZON-AES) (AMAZON-AES - Amazon.com)
40	2600:9000:20e... 2600:9000:20eb:7000:7:60cd:e840:21	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1	2a00:1450:400... 2a00:1450:4001:821::2008	15169 (GOOGLE) (GOOGLE - Google LLC)
12	3.216.214.83 3.216.214.83	14618 (AMAZON-AES) (AMAZON-AES - Amazon.com)
1 2	2a00:1450:400... 2a00:1450:4001:816::200e	15169 (GOOGLE) (GOOGLE - Google LLC)
2	2a03:2880:f02... 2a03:2880:f02d:12:face:b00c:0:3	32934 (FACEBOOK) (FACEBOOK - Facebook)
1 1	2a00:1450:400... 2a00:1450:400c:c00::9b	15169 (GOOGLE) (GOOGLE - Google LLC)
1 1	2001:4860:480... 2001:4860:4802:32::75	15169 (GOOGLE) (GOOGLE - Google LLC)
1	2a00:1450:400... 2a00:1450:4001:825::2003	15169 (GOOGLE) (GOOGLE - Google LLC)
1	151.101.114.110 151.101.114.110	54113 (FASTLY) (FASTLY - Fastly)
2	35.190.10.112 35.190.10.112	15169 (GOOGLE) (GOOGLE - Google LLC)
1	2a03:2880:f12... 2a03:2880:f12d:83:face:b00c:0:25de	32934 (FACEBOOK) (FACEBOOK - Facebook)
65	10

4 3.232.176.118 (Ashburn, United States)

ASN14618 (AMAZON-AES - Amazon.com, Inc., US)
PTR: ec2-3-232-176-118.compute-1.amazonaws.com

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

40 2600:9000:20eb:7000:7:60cd:e840:21 (United States)

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)

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

1 2a00:1450:4001:821::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE - Google LLC, US)

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

12 3.216.214.83 (Ashburn, United States)

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

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

2 2a00:1450:4001:816::200e (Frankfurt am Main, Germany) 1 redirects

ASN15169 (GOOGLE - Google LLC, 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 - Facebook, Inc., US)

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

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

ASN15169 (GOOGLE - Google LLC, US)

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

1 2001:4860:4802:32::75 (United States) 1 redirects

ASN15169 (GOOGLE - Google LLC, US)

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

1 2a00:1450:4001:825::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE - Google LLC, US)

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

1 151.101.114.110 (Frankfurt am Main, Germany)

ASN54113 (FASTLY - Fastly, US)

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

2 35.190.10.112 (Mountain View, United States)

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

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

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

ASN32934 (FACEBOOK - Facebook, Inc., US)

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

	Apex Domain Subdomains	Transfer
40	cloudfront.net d35aaqx5ub95lt.cloudfront.net	837 KB
16	duolingo.com www.duolingo.com excess.duolingo.com	15 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	147 B
1	google.de www.google.de	109 B
1	google.com 1 redirects www.google.com	180 B
1	doubleclick.net 1 redirects stats.g.doubleclick.net	160 B
1	googletagmanager.com www.googletagmanager.com	24 KB
65	10

	Domain	Requested by
40	d35aaqx5ub95lt.cloudfront.net	www.duolingo.com d35aaqx5ub95lt.cloudfront.net
12	excess.duolingo.com	d35aaqx5ub95lt.cloudfront.net www.duolingo.com
4	www.duolingo.com	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	client.perimeterx.net	d35aaqx5ub95lt.cloudfront.net
1	www.google.de	www.duolingo.com
1	www.google.com	1 redirects
1	stats.g.doubleclick.net	1 redirects
1	www.googletagmanager.com	d35aaqx5ub95lt.cloudfront.net
65	12

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

Domain
itunes.apple.com
play.google.com
schools.duolingo.com
ai.duolingo.com
incubator.duolingo.com
gear.duolingo.com
englishtest.duolingo.com
tinycards.duolingo.com
podcast.duolingo.com
stories.duolingo.com
www.microsoft.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	`2019-12-10` - `2020-03-03`	3 months	crt.sh
*.facebook.com DigiCert SHA2 High Assurance Server CA	`2019-12-06` - `2020-03-05`	3 months	crt.sh
www.google.de GTS CA 1O1	`2019-12-10` - `2020-03-03`	3 months	crt.sh
f4.shared.global.fastly.net GlobalSign CloudSSL CA - SHA256 - G3	`2019-04-10` - `2020-03-21`	a year	crt.sh
perimeterx.net GeoTrust RSA CA 2018	`2019-07-03` - `2021-08-31`	2 years	crt.sh

This page contains 1 frames:

Primary Page: https://www.duolingo.com/
Frame ID: 6DDDC41F843C57D8F7088081EA1D00AA
Requests: 65 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Detected technologies

React (JavaScript Frameworks) Expand

Overall confidence: 100%
Detected patterns

html /<[^>]+data-react/i
script /react.*\.js/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

65
Requests

100 %
HTTPS

67 %
IPv6

10
Domains

12
Subdomains

10
IPs

4
Countries

1064 kB
Transfer

3758 kB
Size

13
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?id=com.duolingo&hl=en&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://ai.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://gear.duolingo.com/
Title: Gear

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?id=com.duolingo&hl=en&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://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

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 27

https://www.google-analytics.com/r/collect?v=1&_v=j79&a=787095298&t=pageview&_s=1&dl=https%3A%2F%2Fwww.duolingo.com%2F&ul=en-us&de=UTF-8&dt=Duolingo&sd=24-bit&sr=1600x1200&vp=1585x1200&je=0&_u=YEBAAEAB~&jid=1199931720&gjid=934600637&cid=1786949021.1578867276&tid=UA-21595814-1&_gid=1163809903.1578867276&_r=1&gtm=2wg121TX6Z97C&did=i5iSjo&z=172698213 HTTP 302
https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-21595814-1&cid=1786949021.1578867276&jid=1199931720&_gid=1163809903.1578867276&gjid=934600637&_v=j79&z=172698213 HTTP 302
https://www.google.com/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-21595814-1&cid=1786949021.1578867276&jid=1199931720&_v=j79&z=172698213 HTTP 302
https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-21595814-1&cid=1786949021.1578867276&jid=1199931720&_v=j79&z=172698213&slf_rd=1&random=1531751166

65 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/ 17 KB
6 KB 364ms
133ms Document
text/html 3.232.176.118
Amazon.com

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

3.232.176.118 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),

Reverse DNS

ec2-3-232-176-118.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

83f3fe7aabdc23d05f11a5488243ce43d619ab811841beb9ec8d0ed45c3ae883

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 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
sec-fetch-user: ?1
accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
sec-fetch-site: none
sec-fetch-mode: navigate
accept-encoding: gzip, deflate, br
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Sec-Fetch-User: ?1

Response headers

status: 200
date: Sun, 12 Jan 2020 22:14:35 GMT
content-type: text/html; charset=UTF-8
set-cookie: AWSALB=8o+Zh/z0f2s2hNGBGns5b//J8pgKbJNzOHIq2u1Tl1mtTIvjaIC/sCQDVqBkil4CM8mxV2xqu0s3Mu1HOqKss+v8w2bLYROC7CsHxeTL89mhz2d5BNRx43+MMDTk; Expires=Sun, 19 Jan 2020 22:14:35 GMT; Path=/ logged_out_uuid=b99fe315-bf52-482b-9e06-cd90aa6655ba; Domain=.duolingo.com; Max-Age=31536000; Path=/; expires=Mon, 11-Jan-2021 22:14:35 GMT lang=en; Domain=.duolingo.com; Max-Age=31536000; Path=/; expires=Mon, 11-Jan-2021 22:14:35 GMT wuuid=ffe657f2-8882-414d-96cb-046683ba470d
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: ffff01895e1b99b6007f
x-ws: UK
x-runtime: 0.02059
x-ipcountry: US
content-encoding: gzip
x-envoy-upstream-service-time: 23
x-duo-request-host: www.duolingo.com

GET
H2 200 app-b0e00b85.css
d35aaqx5ub95lt.cloudfront.net/css/ 92 KB
21 KB 35ms
8ms Stylesheet
text/css 2600:9000:20eb:7000:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/app-b0e00b85.css
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:20eb:7000:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 9018d09943a81c189f869d0fa0e59fd8f6e1330bb35243f04c7941ad7edd06d2

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

date: Sun, 29 Dec 2019 02:39:30 GMT
content-encoding: gzip
last-modified: Sun, 29 Dec 2019 02:29:04 GMT
server: AmazonS3
age: 1280106
etag: "d5a259216e1b0baba493e317ebcf00d0"
x-cache: Hit from cloudfront
content-type: text/css
status: 200
cache-control: max-age=315360000
x-amz-cf-pop: FRA2-C1
accept-ranges: bytes
content-length: 20837
via: 1.1 d7e55181ad8192e74c103c6003cd4d9c.cloudfront.net (CloudFront)
x-amz-cf-id: 1h9rClbH0EOqdArQ4I6uvaQTq83LFhIiZtIa0UnZ7WHxIg0gGg_YSQ==

GET
H2 200 reactVendor.react-router-5f0dd654.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 21 KB
7 KB 40ms
13ms Script
application/javascript 2600:9000:20eb:7000:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-router-5f0dd654.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:20eb:7000:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: e5cc796de7e10cf06595446bdc1b27f08ec4e9c5701bd4ac112a54d3b0b49cc1

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

date: Mon, 16 Dec 2019 16:35:53 GMT
content-encoding: gzip
last-modified: Fri, 13 Dec 2019 23:14:27 GMT
server: AmazonS3
age: 2353123
etag: "4c9ad2d7ca6af73de0fef432c6faec53"
x-cache: Hit from cloudfront
content-type: application/javascript
status: 200
cache-control: max-age=315360000
x-amz-cf-pop: FRA2-C1
accept-ranges: bytes
content-length: 6896
via: 1.1 d7e55181ad8192e74c103c6003cd4d9c.cloudfront.net (CloudFront)
x-amz-cf-id: H1IKj4PUOR38yGoQ3qOVKYrhIMMXtIV9gZMjFfsJqwXbac1f5E4ibw==

GET
H2 200 reactVendor.react-redux-906e988f.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 11 KB
4 KB 41ms
13ms Script
application/javascript 2600:9000:20eb:7000:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-redux-906e988f.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:20eb:7000:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 087ab7115fe7980bb9cc5e3c679bfda7041be4f592bef5b8314c62c8935e1093

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

date: Mon, 16 Dec 2019 16:35:53 GMT
content-encoding: gzip
last-modified: Fri, 13 Dec 2019 23:14:27 GMT
server: AmazonS3
age: 2353123
etag: "77ccac37efafd8b1ea5eb2e7af5005a6"
x-cache: Hit from cloudfront
content-type: application/javascript
status: 200
cache-control: max-age=315360000
x-amz-cf-pop: FRA2-C1
accept-ranges: bytes
content-length: 3989
via: 1.1 d7e55181ad8192e74c103c6003cd4d9c.cloudfront.net (CloudFront)
x-amz-cf-id: -MzFtnP7Hz50d8xisExGl9fMRwqmDYOWIXL7cbNTEOt6RiKWkqTugQ==

GET
H2 200 reactVendor.react-modal-e67ed6fb.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 17 KB
5 KB 41ms
14ms Script
application/javascript 2600:9000:20eb:7000:7:60cd:e840:21
Amazon.com

General

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Request headers

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Response headers

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GET
H2 200 gtm.js Show response
www.googletagmanager.com/ 68 KB
24 KB 14ms
14ms Script
application/javascript 2a00:1450:4001:821::2008
Google LLC

General

Check archive.org

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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-cce3c258.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

Software

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Resource Hash

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Security Headers

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Request headers

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Response headers

date: Sun, 12 Jan 2020 22:14:35 GMT
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server: Google Tag Manager
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GET
H2 200 reactVendor.react-lazyload-1f630bb3.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 8 KB
3 KB 8ms
8ms Script
application/javascript 2600:9000:20eb:7000:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-lazyload-1f630bb3.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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4 KB 9ms
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Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/reactVendor.react-transition-group-40f54b38.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
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Request headers

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Response headers

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last-modified: Fri, 13 Dec 2019 23:14:27 GMT
server: AmazonS3
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39 KB 12ms
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Amazon.com

General

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Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/commonRoutes-24f149ff.css
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URL: https://www.duolingo.com/
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Response headers

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GET
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d35aaqx5ub95lt.cloudfront.net/js/ 1 MB
298 KB 8ms
8ms Script
application/javascript 2600:9000:20eb:7000:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/commonRoutes-859ab4d9.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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OPTIONS
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Amazon.com

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-cce3c258.js
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Response headers

date: Sun, 12 Jan 2020 22:14:36 GMT
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OPTIONS
H2 200 batch Show response
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112ms XHR
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Amazon.com

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-cce3c258.js
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Response headers

date: Sun, 12 Jan 2020 22:14:36 GMT
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OPTIONS
H2 200 batch Show response
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112ms XHR
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Amazon.com

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-cce3c258.js
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GET
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www.google-analytics.com/ 43 KB
17 KB 6ms
5ms Script
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Google LLC

General

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Show headers Download Go to

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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Software

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Security Headers

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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

Check archive.org

Show headers Download Go to

Full URL

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

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Software

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Security Headers

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Request headers

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User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

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x-frame-options: DENY
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expires: Sat, 01 Jan 2000 00:00:00 GMT

GET
H2

200

ga-audiences
www.google.de/ads/
Redirect Chain

https://www.google-analytics.com/r/collect?v=1&_v=j79&a=787095298&t=pageview&_s=1&dl=https%3A%2F%2Fwww.duolingo.com%2F&ul=en-us&de=UTF-8&dt=Duolingo&sd=24-bit&sr=1600x1200&vp=1585x1200&je=0&_u=YEBA...
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42 B
109 B

18ms
17ms

Image
image/gif

2a00:1450:4001:825::2003
Google LLC

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-21595814-1&cid=1786949021.1578867276&jid=1199931720&_v=j79&z=172698213&slf_rd=1&random=1531751166

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:825::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, 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: Sun, 12 Jan 2020 22:14:36 GMT
x-content-type-options: nosniff
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Redirect headers

pragma: no-cache
date: Sun, 12 Jan 2020 22:14:36 GMT
x-content-type-options: nosniff
server: cafe
timing-allow-origin: *
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Request headers

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User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

date: Thu, 24 Oct 2019 21:52:59 GMT
content-encoding: gzip
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server: AmazonS3
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Amazon.com

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Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/badge-app-store.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cce3c258.js
Protocol: H2
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Server: 2600:9000:20eb:7000:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
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Request headers

Referer: https://d35aaqx5ub95lt.cloudfront.net/css/app-b0e00b85.css
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

date: Thu, 24 Oct 2019 21:52:59 GMT
content-encoding: gzip
last-modified: Thu, 24 Oct 2019 21:17:50 GMT
server: AmazonS3
age: 6913297
etag: "127f621bbbc03dfcb817f5de9c98667c"
x-cache: Hit from cloudfront
content-type: image/svg+xml
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GET
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d35aaqx5ub95lt.cloudfront.net/images/ 1 KB
987 B 14ms
14ms Image
image/svg+xml 2600:9000:20eb:7000:7:60cd:e840:21
Amazon.com

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/badge-play-store.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cce3c258.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:20eb:7000:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
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Request headers

Referer: https://d35aaqx5ub95lt.cloudfront.net/css/app-b0e00b85.css
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

date: Thu, 24 Oct 2019 21:52:59 GMT
content-encoding: gzip
last-modified: Thu, 24 Oct 2019 21:17:50 GMT
server: AmazonS3
age: 6913297
etag: "f4acc860cf5bd0e54586c64fac82cb13"
x-cache: Hit from cloudfront
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GET
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4 KB 15ms
14ms Image
image/svg+xml 2600:9000:20eb:7000:7:60cd:e840:21
Amazon.com

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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/js/app-cce3c258.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:20eb:7000:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
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Request headers

Referer: https://d35aaqx5ub95lt.cloudfront.net/css/app-b0e00b85.css
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

date: Thu, 24 Oct 2019 21:52:59 GMT
content-encoding: gzip
last-modified: Thu, 24 Oct 2019 21:17:52 GMT
server: AmazonS3
age: 6913297
etag: "b1b6c017827405e6f68171f3142f7155"
x-cache: Hit from cloudfront
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GET
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2 KB 14ms
14ms Image
image/svg+xml 2600:9000:20eb:7000:7:60cd:e840:21
Amazon.com

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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/js/app-cce3c258.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:20eb:7000:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
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Request headers

Referer: https://d35aaqx5ub95lt.cloudfront.net/css/app-b0e00b85.css
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

date: Thu, 24 Oct 2019 21:52:59 GMT
content-encoding: gzip
last-modified: Thu, 24 Oct 2019 21:17:54 GMT
server: AmazonS3
age: 6913297
etag: "bbc38e81ed99820e41ba5e62effd779f"
x-cache: Hit from cloudfront
content-type: image/svg+xml
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GET
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29 KB 30ms
8ms Font
binary/octet-stream 2600:9000:20eb:7000:7:60cd:e840:21
Amazon.com

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/fonts/DINNextRoundedLTPro-Bold.woff2
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cce3c258.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
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Reverse DNS
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Request headers

User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Referer: https://d35aaqx5ub95lt.cloudfront.net/css/app-b0e00b85.css
Origin: https://www.duolingo.com

Response headers

date: Mon, 16 Dec 2019 16:35:54 GMT
content-encoding: gzip
age: 2353121
x-cache: Hit from cloudfront
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access-control-max-age: 3000
content-length: 29527
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server: AmazonS3
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vary: Origin
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GET
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d35aaqx5ub95lt.cloudfront.net/fonts/ 28 KB
29 KB 35ms
14ms Font
binary/octet-stream 2600:9000:20eb:7000:7:60cd:e840:21
Amazon.com

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/fonts/DINNextRoundedLTPro-Regular.woff2
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cce3c258.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:20eb:7000:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
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Request headers

User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Referer: https://d35aaqx5ub95lt.cloudfront.net/css/app-b0e00b85.css
Origin: https://www.duolingo.com

Response headers

date: Mon, 16 Dec 2019 16:35:54 GMT
content-encoding: gzip
age: 2353122
x-cache: Hit from cloudfront
status: 200
access-control-max-age: 3000
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server: AmazonS3
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vary: Origin
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GET
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1 KB 7ms
7ms Image
image/svg+xml 2600:9000:20eb:7000:7:60cd:e840:21
Amazon.com

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Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/logo-white.svg
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
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Server: 2600:9000:20eb:7000:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
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Request headers

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

date: Thu, 24 Oct 2019 21:52:59 GMT
content-encoding: gzip
last-modified: Thu, 24 Oct 2019 21:17:54 GMT
server: AmazonS3
age: 6913297
etag: "b8b89e00db56d02aa575bf3e55845f5d"
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x-amz-cf-id: TctvVcHYNMgFQzoi_8BNVEuPc1sg-zcQWvZrEM5800BLPvWKFSmD0A==

OPTIONS
H2 200 batch Show response
excess.duolingo.com/ 0
278 B 157ms
111ms XHR
text/plain 3.216.214.83
Amazon.com

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Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cce3c258.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
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Software: Jetty(9.2.z-SNAPSHOT) /
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Request headers

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Referer: https://www.duolingo.com/
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Access-Control-Request-Headers: content-type

Response headers

date: Sun, 12 Jan 2020 22:14:36 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
access-control-allow-origin: *
allow: GET, HEAD, POST, TRACE, OPTIONS
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content-length: 0

OPTIONS
H2 200 batch Show response
excess.duolingo.com/ 0
278 B 157ms
112ms XHR
text/plain 3.216.214.83
Amazon.com

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Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cce3c258.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 3.216.214.83 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
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Software: Jetty(9.2.z-SNAPSHOT) /
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Request headers

Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Access-Control-Request-Headers: content-type

Response headers

date: Sun, 12 Jan 2020 22:14:36 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
access-control-allow-origin: *
allow: GET, HEAD, POST, TRACE, OPTIONS
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status: 200
access-control-max-age: 3600
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 0

OPTIONS
H2 200 batch Show response
excess.duolingo.com/ 0
278 B 155ms
111ms XHR
text/plain 3.216.214.83
Amazon.com

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Full URL: https://excess.duolingo.com/batch
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cce3c258.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 3.216.214.83 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
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Software: Jetty(9.2.z-SNAPSHOT) /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Access-Control-Request-Headers: content-type

Response headers

date: Sun, 12 Jan 2020 22:14:36 GMT
accept-encoding: gzip, identity
server: Jetty(9.2.z-SNAPSHOT)
access-control-allow-origin: *
allow: GET, HEAD, POST, TRACE, OPTIONS
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status: 200
access-control-max-age: 3600
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 0

GET
H2 200 config Show response
www.duolingo.com/2017-06-30/ 4 KB
2 KB 121ms
121ms XHR
application/json 3.232.176.118
Amazon.com

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Full URL

https://www.duolingo.com/2017-06-30/config?_=1578867275904

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cce3c258.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

3.232.176.118 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),

Reverse DNS

ec2-3-232-176-118.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
x-pxbmh: 0
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

pragma: no-cache
date: Sun, 12 Jan 2020 22:14:35 GMT
content-encoding: gzip
server: duo-api
x-ws: UK
x-tid: ffff007a5e1b686403fe
surrogate-control: no-store
x-frame-options: SAMEORIGIN
content-type: application/json; charset=UTF-8
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cache-control: no-store, no-cache, must-revalidate, proxy-revalidate
x-envoy-upstream-service-time: 6
x-duo-request-host: www.duolingo.com
x-runtime: 0.00465
expires: 0

POST
H2 200 tracking-status Show response
www.duolingo.com/2017-06-30/ 2 B
838 B 141ms
141ms XHR
application/json 3.232.176.118
Amazon.com

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Full URL

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

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cce3c258.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

3.232.176.118 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),

Reverse DNS

ec2-3-232-176-118.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

Accept: application/json
x-pxbmh: 0
Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Content-Type: application/json; charset=UTF-8

Response headers

date: Sun, 12 Jan 2020 22:14:35 GMT
x-ws: UK
access-control-allow-origin: https://www.duolingo.com
x-tid: ffff018d5e1b99e500b1
surrogate-control: no-store
status: 200
x-envoy-upstream-service-time: 25
x-duo-request-host: www.duolingo.com
content-length: 2
x-runtime: 0.02346
server: duo-api
x-frame-options: SAMEORIGIN
access-control-max-age: 1728000
access-control-allow-methods: GET, POST, OPTIONS, PATCH, PUT, DELETE
content-type: application/json; charset=UTF-8
pragma: no-cache
access-control-expose-headers: Cache-Control, Content-Length, Content-Type, Expires, Pragma, Surrogate-Control
cache-control: no-store, no-cache, must-revalidate, proxy-revalidate
access-control-allow-credentials: true
access-control-allow-headers: , accept, accept-encoding, accept-language, authorization, cache-control, connection, content-type, dnt, host, if-modified-since, keep-alive, user-agent, x-requested-with
expires: 0

GET
H2 200 list Show response
www.duolingo.com/api/1/courses/ 25 KB
3 KB 132ms
132ms XHR
application/json 3.232.176.118
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Show headers Download Go to

Full URL

https://www.duolingo.com/api/1/courses/list?_=1578867275908

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-cce3c258.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

3.232.176.118 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),

Reverse DNS

ec2-3-232-176-118.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

03616d89772d9469a330f5d608560c5b50170af7a690d109b1adfd09b7d532b9

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

Accept: application/json, text/plain, */*
x-pxbmh: 0
Referer: https://www.duolingo.com/
X-Requested-With: XMLHttpRequest
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

pragma: no-cache
date: Sun, 12 Jan 2020 22:14:35 GMT
content-encoding: gzip
server: duo-api
x-ws: UK
x-tid: ffff01895e1b99b60080
surrogate-control: no-store
x-frame-options: SAMEORIGIN
content-type: application/json; charset=UTF-8
status: 200
cache-control: no-store, no-cache, must-revalidate, proxy-revalidate
x-envoy-upstream-service-time: 18
x-duo-request-host: www.duolingo.com
x-runtime: 0.01654
expires: 0

GET
H2 200 1735692093320310 Show response
connect.facebook.net/signals/config/ 447 KB
112 KB 11ms
10ms Script
application/x-javascript 2a03:2880:f02d:12:face:b00c:0:3
Facebook

General

Check archive.org

Show headers Download Go to

Full URL

https://connect.facebook.net/signals/config/1735692093320310?v=2.9.15&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 - Facebook, Inc., US),

Reverse DNS

Software

Resource Hash

ca01d113a24c6234e2f6cf022fea02ff11b83ee9475f8c3e4c8bf578ca753f06

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';
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 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

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
content-length: 114948
x-xss-protection: 0
pragma: public
x-fb-debug: oV+QJlQ4c1+zzQoUdrRkzm5+I/fCv+7fVIIzW9gY+ciaZwK2L8MqycWMRriV9nXgqFCgWwa4JpL5IYZEwE9RUA==
x-fb-trip-id: 194532234
date: Sun, 12 Jan 2020 22:14:35 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';
expires: Sat, 01 Jan 2000 00:00:00 GMT

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
288 B 230ms
230ms XHR
text/plain 3.216.214.83
Amazon.com

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 - Amazon.com, Inc., 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
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Content-type: application/json

Response headers

date: Sun, 12 Jan 2020 22:14:36 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
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
288 B 294ms
294ms XHR
text/plain 3.216.214.83
Amazon.com

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 - Amazon.com, Inc., 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
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Content-type: application/json

Response headers

date: Sun, 12 Jan 2020 22:14:36 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
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
288 B 216ms
215ms XHR
text/plain 3.216.214.83
Amazon.com

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 - Amazon.com, Inc., 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
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Content-type: application/json

Response headers

date: Sun, 12 Jan 2020 22:14:36 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
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
288 B 180ms
179ms XHR
text/plain 3.216.214.83
Amazon.com

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 - Amazon.com, Inc., 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
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Content-type: application/json

Response headers

date: Sun, 12 Jan 2020 22:14:36 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
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
288 B 248ms
248ms XHR
text/plain 3.216.214.83
Amazon.com

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 - Amazon.com, Inc., 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
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Content-type: application/json

Response headers

date: Sun, 12 Jan 2020 22:14:36 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
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
288 B 233ms
233ms XHR
text/plain 3.216.214.83
Amazon.com

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 - Amazon.com, Inc., 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
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Content-type: application/json

Response headers

date: Sun, 12 Jan 2020 22:14:36 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
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/ 563 B
788 B 93ms
47ms XHR
application/json 35.190.10.112
Google LLC

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-cce3c258.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 35.190.10.112 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS: 112.10.190.35.bc.googleusercontent.com
Software: /
Resource Hash: 6ad3df3cde0aa1835116f212fc0cee4502337993e890423151b309d2ae203ff3

Request headers

Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Content-type: application/x-www-form-urlencoded

Response headers

date: Sun, 12 Jan 2020 22:14:35 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: 563

GET
H2 200 /
www.facebook.com/tr/ 44 B
147 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=1578867276120&sw=1600&sh=1200&v=2.9.15&r=stable&ec=0&o=29&fbp=fb.1.1578867276119.104695446&it=1578867275916&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 - Facebook, Inc., 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 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Response headers

date: Sun, 12 Jan 2020 22:14:36 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: Sun, 12 Jan 2020 22:14:36 GMT

POST
H2 200 collector Show response
collector-pxasqjfz9w.perimeterx.net/api/v2/ 366 B
434 B 34ms
34ms XHR
application/json 35.190.10.112
Google LLC

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-cce3c258.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 35.190.10.112 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS: 112.10.190.35.bc.googleusercontent.com
Software: /
Resource Hash: c4b937068ef73e6898d1900dce5e113301a2fe92fa294ccaf2ef0c5a216773aa

Request headers

Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Content-type: application/x-www-form-urlencoded

Response headers

date: Sun, 12 Jan 2020 22:14:36 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

33 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.

13 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 08:44:03	Name: _fbp Value: fb.1.1578867276119.104695446
.duolingo.com/	1970-01-19 15:20:03	Name: lp Value: splash
.duolingo.com/	1970-01-19 15:20:03	Name: tsl Value: 1578867275690
.duolingo.com/	1970-01-20 00:05:39	Name: _ga Value: GA1.2.1786949021.1578867276
.duolingo.com/	1970-01-19 15:20:03	Name: lu Value: https://www.duolingo.com/
.duolingo.com/	1970-01-19 06:34:27	Name: _gat_UA-21595814-1 Value: 1
.duolingo.com/	1970-01-19 06:35:53	Name: _gid Value: GA1.2.1163809903.1578867276
.duolingo.com/	1970-01-19 15:20:03	Name: lr Value:
.duolingo.com/	1970-01-19 15:20:03	Name: initial_referrer Value: $direct
.duolingo.com/	1970-01-19 15:20:03	Name: logged_out_uuid Value: b99fe315-bf52-482b-9e06-cd90aa6655ba
www.duolingo.com/	1970-01-19 06:44:32	Name: AWSALB Value: ojVBk/1mqoWtQyEgPCcLaxDTVl96puyJBxsoYF2WmWQmZo9u7a3iy2sV2CDsYNNJ+teey2VUAVzfJHtdNjXFYjjVmyydnGbrCq5Nd56FviVIfjjs89NkAYqYePUT
www.duolingo.com/	1969-12-31 23:59:59	Name: wuuid Value: ffe657f2-8882-414d-96cb-046683ba470d
.duolingo.com/	1970-01-19 15:20:03	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-cce3c258.js(Line 86) 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
151.101.114.110
2001:4860:4802:32::75
2600:9000:20eb:7000:7:60cd:e840:21
2a00:1450:4001:816::200e
2a00:1450:4001:821::2008
2a00:1450:4001:825::2003
2a00:1450:400c:c00::9b
2a03:2880:f02d:12:face:b00c:0:3
2a03:2880:f12d:83:face:b00c:0:25de
3.216.214.83
3.232.176.118
35.190.10.112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www.duolingo.com Open in urlscan Pro 3.232.176.118 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Detected technologies

Page Statistics

65 Requests

100 %HTTPS

67 %IPv6

10 Domains

12 Subdomains

10 IPs

4 Countries

1064 kBTransfer

3758 kBSize

13 Cookies

43 Outgoing links

Redirected requests

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

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

Screenshot
Live screenshot

Full Image

65
Requests

100 %
HTTPS

67 %
IPv6

10
Domains

12
Subdomains

10
IPs

4
Countries

1064 kB
Transfer

3758 kB
Size

13
Cookies

65 HTTP transactions
0 data transactions