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

Go To Rescan
Add Verdict Report

Submitted URL:
http://www.duolingo.com/
Effective URL:
https://www.duolingo.com/
Submission: On March 13 via manual (March 13th 2019, 6:38:21 am UTC) from GB

Summary HTTP 38 Redirects Links 45 Behaviour Indicators

Summary

This website contacted 10 IPs in 2 countries across 8 domains to perform 38 HTTP transactions. The main IP is 54.88.115.88, 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
1 1	34.197.216.143 34.197.216.143	14618 (AMAZON-AES) (AMAZON-AES - Amazon.com)
4	54.88.115.88 54.88.115.88	14618 (AMAZON-AES) (AMAZON-AES - Amazon.com)
11	2600:9000:200... 2600:9000:200d:f600:7:60cd:e840:21	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1	2a00:1450:400... 2a00:1450:4001:808::2008	15169 (GOOGLE) (GOOGLE - Google LLC)
1	151.101.2.110 151.101.2.110	54113 (FASTLY) (FASTLY - Fastly)
1	52.85.182.234 52.85.182.234	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
2	2600:9000:200... 2600:9000:200d:3800:7:60cd:e840:21	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
12	52.204.245.71 52.204.245.71	14618 (AMAZON-AES) (AMAZON-AES - Amazon.com)
4	35.190.10.112 35.190.10.112	15169 (GOOGLE) (GOOGLE - Google LLC)
1 2	2a00:1450:400... 2a00:1450:4001:816::200e	15169 (GOOGLE) (GOOGLE - Google LLC)
1 1	2a00:1450:400... 2a00:1450:400c:c04::9d	15169 (GOOGLE) (GOOGLE - Google LLC)
1 1	2a00:1450:400... 2a00:1450:4001:824::2004	15169 (GOOGLE) (GOOGLE - Google LLC)
1	2a00:1450:400... 2a00:1450:4001:820::2003	15169 (GOOGLE) (GOOGLE - Google LLC)
38	10

1 34.197.216.143 (Ashburn, United States) 1 redirects

ASN14618 (AMAZON-AES - Amazon.com, Inc., US)
PTR: ec2-34-197-216-143.compute-1.amazonaws.com

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

4 54.88.115.88 (Ashburn, United States)

ASN14618 (AMAZON-AES - Amazon.com, Inc., US)
PTR: ec2-54-88-115-88.compute-1.amazonaws.com

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

11 2600:9000:200d:f600:7:60cd:e840:21 (United States)

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

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

1 2a00:1450:4001:808::2008 (Ireland)

ASN15169 (GOOGLE - Google LLC, US)

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

1 151.101.2.110 (San Francisco, United States)

ASN54113 (FASTLY - Fastly, US)

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

1 52.85.182.234 (Seattle, United States)

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)
PTR: server-52-85-182-234.fra50.r.cloudfront.net

d7mj4aqfscim2.cloudfront.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2600:9000:200d:3800:7:60cd:e840:21 (United States)

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

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

12 52.204.245.71 (Ashburn, United States)

ASN14618 (AMAZON-AES - Amazon.com, Inc., US)
PTR: ec2-52-204-245-71.compute-1.amazonaws.com

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

4 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

2 2a00:1450:4001:816::200e (Ireland) 1 redirects

ASN15169 (GOOGLE - Google LLC, US)

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

1 2a00:1450:400c:c04::9d (Ireland) 1 redirects

ASN15169 (GOOGLE - Google LLC, US)

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

1 2a00:1450:4001:824::2004 (Ireland) 1 redirects

ASN15169 (GOOGLE - Google LLC, US)

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

1 2a00:1450:4001:820::2003 (Ireland)

ASN15169 (GOOGLE - Google LLC, US)

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

	Apex Domain Subdomains	Transfer
17	duolingo.com 1 redirects www.duolingo.com excess.duolingo.com	14 KB
14	cloudfront.net d35aaqx5ub95lt.cloudfront.net d7mj4aqfscim2.cloudfront.net	849 KB
5	perimeterx.net client.perimeterx.net collector-pxasqjfz9w.perimeterx.net	27 KB
2	google-analytics.com 1 redirects www.google-analytics.com	17 KB
1	google.de www.google.de	109 B
1	google.com 1 redirects www.google.com	178 B
1	doubleclick.net 1 redirects stats.g.doubleclick.net	160 B
1	googletagmanager.com www.googletagmanager.com	24 KB
38	8

	Domain	Requested by
13	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
4	collector-pxasqjfz9w.perimeterx.net	d35aaqx5ub95lt.cloudfront.net
2	www.google-analytics.com	1 redirects www.googletagmanager.com
1	www.google.de	www.duolingo.com
1	www.google.com	1 redirects
1	stats.g.doubleclick.net	1 redirects
1	d7mj4aqfscim2.cloudfront.net	d35aaqx5ub95lt.cloudfront.net
1	client.perimeterx.net	d35aaqx5ub95lt.cloudfront.net
1	www.googletagmanager.com	d35aaqx5ub95lt.cloudfront.net
38	11

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

Domain
itunes.apple.com
play.google.com
www.microsoft.com
schools.duolingo.com
ai.duolingo.com
incubator.duolingo.com
gear.duolingo.com
sponsorships.duolingo.com
englishtest.duolingo.com
tinycards.duolingo.com
podcast.duolingo.com
stories.duolingo.com
status.duolingo.com
making.duolingo.com
www.facebook.com
twitter.com
www.youtube.com
plus.google.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	`2018-10-08` - `2019-10-09`	a year	crt.sh
*.google-analytics.com Google Internet Authority G3	`2019-03-01` - `2019-05-24`	3 months	crt.sh
f4.shared.global.fastly.net GlobalSign CloudSSL CA - SHA256 - G3	`2019-02-28` - `2019-04-14`	a month	crt.sh
*.perimeterx.net COMODO RSA Domain Validation Secure Server CA	`2018-02-07` - `2019-07-24`	a year	crt.sh
www.google.de Google Internet Authority G3	`2019-03-01` - `2019-05-24`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://www.duolingo.com/
Frame ID: 1C78C6BAA3F2A4B3B73878848D02DCDB
Requests: 38 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

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

env /^gaGlobal$/i

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

env /^google_tag_manager$/i

webpack (Miscellaneous) Expand

Overall confidence: 100%
Detected patterns

env /^webpackJsonp$/i

Page Statistics

38
Requests

100 %
HTTPS

54 %
IPv6

8
Domains

11
Subdomains

10
IPs

2
Countries

930 kB
Transfer

3199 kB
Size

12
Cookies

45 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: iOS

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: Android

Search URL Search Domain Scan URL

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

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: http://sponsorships.duolingo.com/
Title: Advertise with us

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://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://plus.google.com/+duolingo
Title: Google+

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 27

https://www.google-analytics.com/r/collect?v=1&_v=j73&a=2100527781&t=pageview&_s=1&dl=https%3A%2F%2Fwww.duolingo.com%2F&ul=en-us&de=UTF-8&dt=Duolingo%3A%20Learn%20Spanish%2C%20French%20and%20other%20languages%20for%20free&sd=24-bit&sr=1600x1200&vp=1585x1200&je=0&_u=IEBAAQAB~&jid=744755533&gjid=181889975&cid=1381488286.1552459087&tid=UA-21595814-1&_gid=2106153717.1552459087&_r=1&gtm=2ou2q1&z=203501811 HTTP 302
https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-21595814-1&cid=1381488286.1552459087&jid=744755533&_gid=2106153717.1552459087&gjid=181889975&_v=j73&z=203501811 HTTP 302
https://www.google.com/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-21595814-1&cid=1381488286.1552459087&jid=744755533&_v=j73&z=203501811 HTTP 302
https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-21595814-1&cid=1381488286.1552459087&jid=744755533&_v=j73&z=203501811&slf_rd=1&random=37609920

38 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/

7 KB
3 KB

369ms
166ms

Document
text/html

54.88.115.88
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

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

Reverse DNS

ec2-54-88-115-88.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

85fae08780fe91a1b47ceba99f4bce1b0c7419c2ac68b8009dbadaddda21e68c

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_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
accept-encoding: gzip, deflate, br
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

status: 200
date: Wed, 13 Mar 2019 06:38:05 GMT
content-type: text/html; charset=UTF-8
set-cookie: AWSALB=dTfzRcrc+BwwgXCfXmWak30oR0rvAgdOym/8O2Vgd+Osf9grunmZrWZ6/EUH21PViLzD8obRKypL2S2Sf35bj8mmij3IyOXNYjUu7+Wv2Zc31yRbujg+m0XI+sJg; Expires=Wed, 20 Mar 2019 06:38:05 GMT; Path=/ logged_out_uuid=c71c754d-4367-4525-897c-bed07b162bbb; Domain=.duolingo.com; Max-Age=31536000; Path=/; expires=Thu, 12-Mar-2020 06:38:05 GMT lang=en; Domain=.duolingo.com; Max-Age=31536000; Path=/; expires=Thu, 12-Mar-2020 06:38:05 GMT wuuid=26b4f76e-38d3-47e7-9547-b1471abf5b4a _pxhd=6b175e891f2af24642ab5bb086f3ca6b5356917f2422e430e04ef2b7c943f329:8ecd6771-455a-11e9-b622-01095d239766; path=/; expires=Thu, 12 Mar 2020 06:38:05 GMT;
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: ffff5b345c88a5370050
x-ws: UK
x-runtime: 0.03862
x-ipcountry: US
content-encoding: gzip
x-envoy-upstream-service-time: 74
x-duo-request-host: www.duolingo.com

Redirect headers

Date: Wed, 13 Mar 2019 06:38:05 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 ltr-6f74c49e.css
d35aaqx5ub95lt.cloudfront.net/css/ 355 KB
68 KB 57ms
8ms Stylesheet
text/css 2600:9000:200d:f600:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/css/ltr-6f74c49e.css
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:200d:f600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 9751f3d28f78ff27b08028fe95ecf08e1541d427122242d712d5e4beee37c87c

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Tue, 12 Mar 2019 19:26:51 GMT
content-encoding: gzip
last-modified: Tue, 12 Mar 2019 19:26:03 GMT
server: AmazonS3
age: 40275
etag: "b1c49d63c3e3b3a4d910315e07939de3"
x-cache: Hit from cloudfront
content-type: text/css
status: 200
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 68870
via: 1.1 d6fa2e1de8f392301c10fd5bb7b263c3.cloudfront.net (CloudFront)
x-amz-cf-id: 7vfh-s9BUIOiEoRp5FVpMzgM7zQkMcpKt2dxoRb6dmhj54NBTgjjCg==

GET
H2 200 vendor-918df91a.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 1 MB
351 KB 64ms
15ms Script
text/javascript 2600:9000:200d:f600:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/vendor-918df91a.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:200d:f600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 2ac54a163b2280d798a11e036ae18f804bdc2731cfaa9773c07ff0c2bb679621

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Mon, 11 Mar 2019 14:21:00 GMT
content-encoding: gzip
last-modified: Mon, 11 Mar 2019 14:20:01 GMT
server: AmazonS3
age: 145026
etag: "aafb4d2d49bcd99aad94e2c900801a2d"
x-cache: Hit from cloudfront
content-type: text/javascript
status: 200
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 358361
via: 1.1 d6fa2e1de8f392301c10fd5bb7b263c3.cloudfront.net (CloudFront)
x-amz-cf-id: O5mtesVzexdf4YbzWNvMzpKNtm4cRX-rNjaYMlc9kdO75TaTC4Ws8Q==

GET
H2 200 en-03be08ab.js Show response
d35aaqx5ub95lt.cloudfront.net/strings/ 59 KB
23 KB 77ms
29ms Script
text/javascript 2600:9000:200d:f600:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/strings/en-03be08ab.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:200d:f600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 36c9fa0284f9e10fc085f67bfa144b7a67a292f2306858720e5ac2d8c2876a5b

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Fri, 08 Mar 2019 21:25:27 GMT
content-encoding: gzip
last-modified: Fri, 08 Mar 2019 21:24:49 GMT
server: AmazonS3
age: 378759
etag: "b9751939332e60c002daf2a5bfc4dbe1"
x-cache: Hit from cloudfront
content-type: text/javascript
status: 200
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 22691
via: 1.1 d6fa2e1de8f392301c10fd5bb7b263c3.cloudfront.net (CloudFront)
x-amz-cf-id: 2LWGhKgrseDy-ioBCZr_e0pvA23ytwThnUO-xQRzu6XUoPmnF6VM1w==

GET
H2 200 app-3bc982ba.js Show response
d35aaqx5ub95lt.cloudfront.net/js/ 1 MB
256 KB 77ms
29ms Script
text/javascript 2600:9000:200d:f600:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-3bc982ba.js
Requested by: Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:200d:f600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 6e7ad25b6fbbf8881d9b638aae07be1927b5e56aecb1944318c36ec217356450

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Tue, 12 Mar 2019 19:26:51 GMT
content-encoding: gzip
last-modified: Tue, 12 Mar 2019 19:26:05 GMT
server: AmazonS3
age: 40275
etag: "c34d72d24746c93cb466d0ae057c5179"
x-cache: Hit from cloudfront
content-type: text/javascript
status: 200
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 261653
via: 1.1 d6fa2e1de8f392301c10fd5bb7b263c3.cloudfront.net (CloudFront)
x-amz-cf-id: cAOBC7GfYrJ37SOaVvauD4YbZTooS80jfOOVzc1vTeVkAde0I9DdLQ==

GET
H2 200 js Show response
www.googletagmanager.com/gtag/ 62 KB
24 KB 17ms
17ms Script
application/javascript 2a00:1450:4001:808::2008
Google LLC

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googletagmanager.com/gtag/js?id=UA-21595814-1

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-3bc982ba.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

2a00:1450:4001:808::2008 , Ireland, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

Software

Google Tag Manager (scaffolding) /

Resource Hash

d5289bc1963fc7b88dbea3b9400d49c9f4771a4afb0bfe678851a37227923085

Security Headers

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

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Wed, 13 Mar 2019 06:38:06 GMT
content-encoding: br
last-modified: Tue, 12 Mar 2019 19:59:30 GMT
server: Google Tag Manager (scaffolding)
access-control-allow-origin: http://www.googletagmanager.com
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
status: 200
alt-svc: quic=":443"; ma=2592000; v="46,44,43,39"
cache-control: private, max-age=900
access-control-allow-credentials: true
access-control-allow-headers: Cache-Control
content-length: 23996
x-xss-protection: 1; mode=block
expires: Wed, 13 Mar 2019 06:38:06 GMT

GET
H2 200 main.min.js Show response
client.perimeterx.net/PXAsQJFZ9W/ 65 KB
24 KB 41ms
7ms Script
application/javascript 151.101.2.110
Fastly

General

Check archive.org

Show headers Download Go to

Full URL: https://client.perimeterx.net/PXAsQJFZ9W/main.min.js
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-3bc982ba.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 151.101.2.110 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software: /
Resource Hash: f279610abe92e4096c2332b31a63f834047ac1bd24fb1acb975e7e0ad6e5dbde

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Wed, 13 Mar 2019 06:38:06 GMT
content-encoding: gzip
age: 114
etag: W/"102fb-p3afl9fSzYqgILVBaPN+IolaCpw"
vary: Accept-Encoding
x-cache: HIT
content-type: application/javascript; charset=utf-8
status: 200
cache-control: max-age=600
x-cache-hits: 2
accept-ranges: bytes
x-timer: S1552459086.237972,VS0,VE0
content-length: 24639
via: 1.1 varnish
x-served-by: cache-hhn1537-HHN

GET
H2 200 icon-sprite8.svg
d35aaqx5ub95lt.cloudfront.net/images/ 84 KB
24 KB 11ms
9ms Image
image/svg+xml 2600:9000:200d:f600:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/icon-sprite8.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-3bc982ba.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:200d:f600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 2cf647948337600dbe8558d968ba52007326132a72245429a5fa9c0ba3a46eda

Request headers

Referer: https://d35aaqx5ub95lt.cloudfront.net/css/ltr-6f74c49e.css
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Tue, 12 Feb 2019 00:06:27 GMT
content-encoding: gzip
last-modified: Mon, 17 Sep 2018 17:14:20 GMT
server: AmazonS3
age: 2529100
etag: "a05563ee69c92a3d87269fb270c759d1"
x-cache: Hit from cloudfront
content-type: image/svg+xml
status: 200
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 23984
via: 1.1 d6fa2e1de8f392301c10fd5bb7b263c3.cloudfront.net (CloudFront)
x-amz-cf-id: EON2qPIg1zT5PNBuyf6mwJc2T6yMdSYE6XGKwSufUqTK29yZnXaw4w==

GET
H2 200 star-pattern.svg
d35aaqx5ub95lt.cloudfront.net/images/ 6 KB
2 KB 11ms
10ms Image
image/svg+xml 2600:9000:200d:f600:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/star-pattern.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-3bc982ba.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:200d:f600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: ec078f79e27c3ad2f41eb5340fa93539fa32eaad4eb193ada5c23a497d3b939c

Request headers

Referer: https://d35aaqx5ub95lt.cloudfront.net/css/ltr-6f74c49e.css
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Sat, 11 Aug 2018 10:05:23 GMT
content-encoding: gzip
last-modified: Wed, 08 Nov 2017 21:40:50 GMT
server: AmazonS3
age: 18477164
etag: "4c4e115591118c4e16e2b86ff22c288f"
x-cache: Hit from cloudfront
content-type: image/svg+xml
status: 200
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 1333
via: 1.1 d6fa2e1de8f392301c10fd5bb7b263c3.cloudfront.net (CloudFront)
x-amz-cf-id: FND14rnmgEOXjRYTnJNQej36STmolXxgDtJS607QQd6o6pKT09pU5w==

GET
H2 200 globe1.svg
d7mj4aqfscim2.cloudfront.net/images/splash-2014/ 2 KB
1 KB 77ms
9ms Image
image/svg+xml 52.85.182.234
Amazon.com

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d7mj4aqfscim2.cloudfront.net/images/splash-2014/globe1.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-3bc982ba.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.85.182.234 Seattle, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS: server-52-85-182-234.fra50.r.cloudfront.net
Software: nginx/1.4.6 (Ubuntu) /
Resource Hash: 8ee40c70098da30794ac565c9a08ba8c379f194988525c7f65824f74a3eb1a08

Request headers

Referer: https://d35aaqx5ub95lt.cloudfront.net/css/ltr-6f74c49e.css
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Fri, 30 Mar 2018 01:39:30 GMT
content-encoding: gzip
last-modified: Thu, 19 May 2016 16:01:57 GMT
server: nginx/1.4.6 (Ubuntu)
age: 30085116
x-cache: Hit from cloudfront
content-type: image/svg+xml
status: 200
cache-control: max-age=315360000, public
x-amz-cf-id: Qg3DUdUJQkgU_lBDJj3qR3AZikfobOd2nwLgs0RphBPZuvKP8Fx_eg==
via: 1.1 2d2eb60d814c8202a5a69fa957cd569d.cloudfront.net (CloudFront)
expires: Thu, 31 Dec 2037 23:55:55 GMT

GET
H2 200 flag-sprite15.svg
d35aaqx5ub95lt.cloudfront.net/images/ 72 KB
20 KB 10ms
10ms Image
image/svg+xml 2600:9000:200d:f600:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/flag-sprite15.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-3bc982ba.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:200d:f600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 1845e557c54d4a182caca87a342b73a5c24bca80770893bb59ea95abf8cc9370

Request headers

Referer: https://d35aaqx5ub95lt.cloudfront.net/css/ltr-6f74c49e.css
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Sat, 02 Mar 2019 16:37:16 GMT
content-encoding: gzip
last-modified: Fri, 05 Oct 2018 16:46:11 GMT
server: AmazonS3
age: 914451
etag: "6c1179e7ab3e42dbdf0484079a865fe4"
x-cache: Hit from cloudfront
content-type: image/svg+xml
status: 200
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 20189
via: 1.1 d6fa2e1de8f392301c10fd5bb7b263c3.cloudfront.net (CloudFront)
x-amz-cf-id: 9F5_ILAa8jMvua8rUYwSlUAJCV9DJpsTQsMiZloMGaPhrQs6NwlrzQ==

GET
H2 200 owl-happy.svg
d35aaqx5ub95lt.cloudfront.net/images/ 3 KB
2 KB 9ms
6ms Image
image/svg+xml 2600:9000:200d:f600:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/owl-happy.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-3bc982ba.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:200d:f600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 77a3b1dd9378c250f70b7aff31ae7bb0a19461ccf562a3088036dace4075eae7

Request headers

Referer: https://d35aaqx5ub95lt.cloudfront.net/css/ltr-6f74c49e.css
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Thu, 06 Jul 2017 20:01:26 GMT
content-encoding: gzip
last-modified: Fri, 24 Feb 2017 00:59:14 GMT
server: AmazonS3
age: 24818453
etag: "7cd57f854d4eaf6a072f68cce985a854"
x-cache: Hit from cloudfront
content-type: image/svg+xml
status: 200
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 1268
via: 1.1 d6fa2e1de8f392301c10fd5bb7b263c3.cloudfront.net (CloudFront)
x-amz-cf-id: yjW8Wy6RA_DKKlFgmr8iz2C2ekPPgtvEwt_VbM4jRaKpQ6XIbTv6EA==

GET
H2 200 splash-sprite.svg
d35aaqx5ub95lt.cloudfront.net/images/ 34 KB
11 KB 8ms
6ms Image
image/svg+xml 2600:9000:200d:f600:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/splash-sprite.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-3bc982ba.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:200d:f600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 3a385b9e624c03a915c93d61644b1229c044e35c5f6caed18c450a8aea0117f2

Request headers

Referer: https://d35aaqx5ub95lt.cloudfront.net/css/ltr-6f74c49e.css
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Sun, 19 Nov 2017 05:58:01 GMT
content-encoding: gzip
last-modified: Wed, 08 Nov 2017 21:40:53 GMT
server: AmazonS3
age: 10988932
etag: "c44d166991b1d8275b0304c7c1be054f"
x-cache: Hit from cloudfront
content-type: image/svg+xml
status: 200
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 10837
via: 1.1 d6fa2e1de8f392301c10fd5bb7b263c3.cloudfront.net (CloudFront)
x-amz-cf-id: YzFzmuwOKJB2FGPisRh4PNWG0VJ6DrgCcazDnn9P4ZIVAVvCadTl1g==

GET
H2 200 duo-plus-circle.svg
d35aaqx5ub95lt.cloudfront.net/images/ 10 KB
5 KB 8ms
7ms Image
image/svg+xml 2600:9000:200d:f600:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/duo-plus-circle.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-3bc982ba.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:200d:f600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: f62ed07f690717c5fdec394250dfe5af0d8b8142f221513f405ab9e8c107486a

Request headers

Referer: https://d35aaqx5ub95lt.cloudfront.net/css/ltr-6f74c49e.css
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Wed, 19 Dec 2018 23:03:58 GMT
content-encoding: gzip
last-modified: Wed, 19 Dec 2018 23:03:18 GMT
server: AmazonS3
age: 7198449
etag: "4e9bebfa5644dd6054b07c3d79743cfd"
x-cache: Hit from cloudfront
content-type: image/svg+xml
status: 200
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 4851
via: 1.1 d6fa2e1de8f392301c10fd5bb7b263c3.cloudfront.net (CloudFront)
x-amz-cf-id: zxVVqvlHg-QRzAA0f0adpOdgyxBkwGhfOoJyR_O8qg_0_i9Tbgcoug==

GET
H2 200 progress-sprite12.svg
d35aaqx5ub95lt.cloudfront.net/images/ 167 KB
45 KB 8ms
7ms Image
image/svg+xml 2600:9000:200d:f600:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d35aaqx5ub95lt.cloudfront.net/images/progress-sprite12.svg
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-3bc982ba.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:200d:f600:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: fd1612a6ac8ee33b22fc37cf39232795603b55e07aec7b71369af2815821eb17

Request headers

Referer: https://d35aaqx5ub95lt.cloudfront.net/css/ltr-6f74c49e.css
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Tue, 12 Feb 2019 00:39:11 GMT
content-encoding: gzip
last-modified: Fri, 27 Jan 2017 23:54:28 GMT
server: AmazonS3
age: 2527136
etag: "eb5e83db6f76694a8d602e0f94bb4da0"
x-cache: Hit from cloudfront
content-type: image/svg+xml
status: 200
cache-control: max-age=315360000
accept-ranges: bytes
content-length: 45474
via: 1.1 d6fa2e1de8f392301c10fd5bb7b263c3.cloudfront.net (CloudFront)
x-amz-cf-id: 3uXQ57FfylGi3La99WrWrYBZTNpQlmIkgvLKgeHj1gGNzW5PSQSaig==

GET
H2 200 museosansrounded-500-webfont.woff2
d35aaqx5ub95lt.cloudfront.net/fonts/ 21 KB
21 KB 27ms
8ms Font
binary/octet-stream 2600:9000:200d:3800:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/fonts/museosansrounded-500-webfont.woff2
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-3bc982ba.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:200d:3800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 87104700fcd29a67821b63c8b2468fa5f473f262d0d62ee50987080e4b16b101

Request headers

User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer: https://d35aaqx5ub95lt.cloudfront.net/css/ltr-6f74c49e.css
Origin: https://www.duolingo.com

Response headers

date: Tue, 23 Jan 2018 15:08:10 GMT
content-encoding: gzip
age: 4202996
x-cache: Hit from cloudfront
status: 200
access-control-max-age: 3000
content-length: 21283
via: 1.1 d89eaba973a5c1614ea9f0994f5e8a12.cloudfront.net (CloudFront)
last-modified: Thu, 14 Dec 2017 21:23:54 GMT
server: AmazonS3
etag: "2dc7f9b6c29ae31faddc2941009550c4"
vary: Origin
access-control-allow-methods: GET
content-type: binary/octet-stream
access-control-allow-origin: https://www.duolingo.com
cache-control: max-age=315360000
access-control-allow-credentials: true
accept-ranges: bytes
x-amz-cf-id: zotGXn_rVwqxI-vWDjhcMMkxMU06ZmIMSDpaiOhCrzxoylSPk6TYPA==

GET
H2 200 museosansrounded-700-webfont.woff2
d35aaqx5ub95lt.cloudfront.net/fonts/ 21 KB
21 KB 32ms
12ms Font
binary/octet-stream 2600:9000:200d:3800:7:60cd:e840:21
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://d35aaqx5ub95lt.cloudfront.net/fonts/museosansrounded-700-webfont.woff2
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/app-3bc982ba.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:200d:3800:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 79fec0ff6746c9a6b2c329425b4e71b9fa48f77a40aab01b33acec29f46e636e

Request headers

User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer: https://d35aaqx5ub95lt.cloudfront.net/css/ltr-6f74c49e.css
Origin: https://www.duolingo.com

Response headers

date: Tue, 23 Jan 2018 15:08:10 GMT
content-encoding: gzip
age: 4202996
x-cache: Hit from cloudfront
status: 200
access-control-max-age: 3000
content-length: 21447
via: 1.1 d89eaba973a5c1614ea9f0994f5e8a12.cloudfront.net (CloudFront)
last-modified: Tue, 14 Nov 2017 20:56:08 GMT
server: AmazonS3
etag: "2b432075d70c6c32ceb88f817495228a"
vary: Origin
access-control-allow-methods: GET
content-type: binary/octet-stream
access-control-allow-origin: https://www.duolingo.com
cache-control: max-age=315360000
access-control-allow-credentials: true
accept-ranges: bytes
x-amz-cf-id: NGPs-rXmPuR1DWPbzSWVWrXh3ItWb_4mIZTCNoRWYLfhkFpDQRAnGQ==

OPTIONS
H/1.1 200
OK batch Show response
excess.duolingo.com/ 0
395 B 423ms
102ms XHR
text/plain 52.204.245.71
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/vendor-918df91a.js
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.204.245.71 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS: ec2-52-204-245-71.compute-1.amazonaws.com
Software: nginx/1.12.1 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Pragma: no-cache
Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Accept-Encoding: gzip, deflate, br
Host: excess.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept: */*
Cache-Control: no-cache
Referer: https://www.duolingo.com/
Connection: keep-alive
Access-Control-Request-Headers: content-type
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_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Access-Control-Request-Headers: content-type

Response headers

Date: Wed, 13 Mar 2019 06:38:06 GMT
Accept-Encoding: gzip, identity
Server: nginx/1.12.1
Allow: GET, HEAD, POST, TRACE, OPTIONS
Access-Control-Allow-Methods: POST, GET, OPTIONS
Access-Control-Allow-Origin: *
Access-Control-Max-Age: 3600
Connection: keep-alive
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/ 2 KB
1 KB 140ms
139ms XHR
application/json 54.88.115.88
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL

https://www.duolingo.com/2017-06-30/config?_=1552459086288

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/vendor-918df91a.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-54-88-115-88.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

6444cd50472599eb4c2123b58e8478b6655e345f19c6c5742e81aca159300b18

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

:path: /2017-06-30/config?_=1552459086288
pragma: no-cache
cookie: AWSALB=dTfzRcrc+BwwgXCfXmWak30oR0rvAgdOym/8O2Vgd+Osf9grunmZrWZ6/EUH21PViLzD8obRKypL2S2Sf35bj8mmij3IyOXNYjUu7+Wv2Zc31yRbujg+m0XI+sJg; logged_out_uuid=c71c754d-4367-4525-897c-bed07b162bbb; lang=en; wuuid=26b4f76e-38d3-47e7-9547-b1471abf5b4a; _pxhd=6b175e891f2af24642ab5bb086f3ca6b5356917f2422e430e04ef2b7c943f329:8ecd6771-455a-11e9-b622-01095d239766; lu=https://www.duolingo.com/; lp=splash
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept: application/json
cache-control: no-cache
:authority: www.duolingo.com
referer: https://www.duolingo.com/
:scheme: https
:method: GET
Accept: application/json
Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Wed, 13 Mar 2019 06:38:06 GMT
content-encoding: gzip
x-ws: UK
x-tid: ffff5a895c88a47602a6
surrogate-control: no-store
status: 200
x-envoy-upstream-service-time: 44
x-duo-request-host: www.duolingo.com
x-runtime: 0.00376
server: duo-api
x-frame-options: SAMEORIGIN
content-type: application/json; charset=UTF-8
pragma: no-cache
cache-control: no-store, no-cache, must-revalidate, proxy-revalidate
set-cookie: AWSALB=GJzpOkZ9GtQVLB3e4u4Yfg1YGO9WQVHfsaho23Pw9zhq+T8RNiyW5aUm1m+ZR0G4Fd9wLEkKqkAvoRsW73IHiMPabd5A03PIvIpNLxN/gHHVcI7bPKeOJ+ipgOHX; Expires=Wed, 20 Mar 2019 06:38:06 GMT; Path=/
expires: 0

POST
H2 201 tracking-status Show response
www.duolingo.com/2017-06-30/ 2 B
843 B 191ms
190ms XHR
application/json 54.88.115.88
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL

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

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/vendor-918df91a.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-54-88-115-88.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

:path: /2017-06-30/tracking-status
pragma: no-cache
cookie: AWSALB=dTfzRcrc+BwwgXCfXmWak30oR0rvAgdOym/8O2Vgd+Osf9grunmZrWZ6/EUH21PViLzD8obRKypL2S2Sf35bj8mmij3IyOXNYjUu7+Wv2Zc31yRbujg+m0XI+sJg; logged_out_uuid=c71c754d-4367-4525-897c-bed07b162bbb; lang=en; wuuid=26b4f76e-38d3-47e7-9547-b1471abf5b4a; _pxhd=6b175e891f2af24642ab5bb086f3ca6b5356917f2422e430e04ef2b7c943f329:8ecd6771-455a-11e9-b622-01095d239766; lu=https://www.duolingo.com/; lp=splash
origin: https://www.duolingo.com
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
content-type: application/json; charset=UTF-8
accept: application/json
cache-control: no-cache
:authority: www.duolingo.com
referer: https://www.duolingo.com/
:scheme: https
content-length: 68
:method: POST
Accept: application/json
Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type: application/json; charset=UTF-8

Response headers

date: Wed, 13 Mar 2019 06:38:06 GMT
x-ws: UK
access-control-allow-origin: https://www.duolingo.com
x-tid: ffff591f5c88a2d406c4
surrogate-control: no-store
status: 201
access-control-max-age: 1728000
x-envoy-upstream-service-time: 91
x-duo-request-host: www.duolingo.com
content-length: 2
x-runtime: 0.03663
server: duo-api
x-frame-options: SAMEORIGIN
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
set-cookie: AWSALB=pGIaxkcGwbyPHb4hUvtI4joNFacF+ZJhZHmuN2Gk5KhpovJ4S2wPlfNcviONhfRE4Lq801Y8nBwP48+5LIM6BfHp5agz/KEuaNpb+/u62wpAreGAH4AuaBv2WaSi; Expires=Wed, 20 Mar 2019 06:38:06 GMT; Path=/
access-control-allow-headers: , accept, accept-encoding, accept-language, authorization, cache-control, connection, content-type, dnt, host, if-modified-since, keep-alive, user-agent, x-requested-with
expires: 0

OPTIONS
H/1.1 200
OK batch Show response
excess.duolingo.com/ 0
395 B 520ms
101ms XHR
text/plain 52.204.245.71
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/vendor-918df91a.js
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.204.245.71 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS: ec2-52-204-245-71.compute-1.amazonaws.com
Software: nginx/1.12.1 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Pragma: no-cache
Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Accept-Encoding: gzip, deflate, br
Host: excess.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept: */*
Cache-Control: no-cache
Referer: https://www.duolingo.com/
Connection: keep-alive
Access-Control-Request-Headers: content-type
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_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Access-Control-Request-Headers: content-type

Response headers

Date: Wed, 13 Mar 2019 06:38:06 GMT
Accept-Encoding: gzip, identity
Server: nginx/1.12.1
Allow: GET, HEAD, POST, TRACE, OPTIONS
Access-Control-Allow-Methods: POST, GET, OPTIONS
Access-Control-Allow-Origin: *
Access-Control-Max-Age: 3600
Connection: keep-alive
Access-Control-Allow-Headers: Content-Type, Access-Control-Allow-Headers, Authorization
Content-Length: 0

OPTIONS
H/1.1 200
OK batch Show response
excess.duolingo.com/ 0
395 B 559ms
108ms XHR
text/plain 52.204.245.71
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/vendor-918df91a.js
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.204.245.71 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS: ec2-52-204-245-71.compute-1.amazonaws.com
Software: nginx/1.12.1 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Pragma: no-cache
Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Accept-Encoding: gzip, deflate, br
Host: excess.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept: */*
Cache-Control: no-cache
Referer: https://www.duolingo.com/
Connection: keep-alive
Access-Control-Request-Headers: content-type
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_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Access-Control-Request-Headers: content-type

Response headers

Date: Wed, 13 Mar 2019 06:38:06 GMT
Accept-Encoding: gzip, identity
Server: nginx/1.12.1
Allow: GET, HEAD, POST, TRACE, OPTIONS
Access-Control-Allow-Methods: POST, GET, OPTIONS
Access-Control-Allow-Origin: *
Access-Control-Max-Age: 3600
Connection: keep-alive
Access-Control-Allow-Headers: Content-Type, Access-Control-Allow-Headers, Authorization
Content-Length: 0

OPTIONS
H/1.1 200
OK batch Show response
excess.duolingo.com/ 0
395 B 571ms
116ms XHR
text/plain 52.204.245.71
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/vendor-918df91a.js
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.204.245.71 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS: ec2-52-204-245-71.compute-1.amazonaws.com
Software: nginx/1.12.1 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Pragma: no-cache
Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Accept-Encoding: gzip, deflate, br
Host: excess.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept: */*
Cache-Control: no-cache
Referer: https://www.duolingo.com/
Connection: keep-alive
Access-Control-Request-Headers: content-type
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_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Access-Control-Request-Headers: content-type

Response headers

Date: Wed, 13 Mar 2019 06:38:06 GMT
Accept-Encoding: gzip, identity
Server: nginx/1.12.1
Allow: GET, HEAD, POST, TRACE, OPTIONS
Access-Control-Allow-Methods: POST, GET, OPTIONS
Access-Control-Allow-Origin: *
Access-Control-Max-Age: 3600
Connection: keep-alive
Access-Control-Allow-Headers: Content-Type, Access-Control-Allow-Headers, Authorization
Content-Length: 0

OPTIONS
H/1.1 200
OK batch Show response
excess.duolingo.com/ 0
395 B 569ms
116ms XHR
text/plain 52.204.245.71
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/vendor-918df91a.js
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.204.245.71 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS: ec2-52-204-245-71.compute-1.amazonaws.com
Software: nginx/1.12.1 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Pragma: no-cache
Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Accept-Encoding: gzip, deflate, br
Host: excess.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept: */*
Cache-Control: no-cache
Referer: https://www.duolingo.com/
Connection: keep-alive
Access-Control-Request-Headers: content-type
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_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Access-Control-Request-Headers: content-type

Response headers

Date: Wed, 13 Mar 2019 06:38:06 GMT
Accept-Encoding: gzip, identity
Server: nginx/1.12.1
Allow: GET, HEAD, POST, TRACE, OPTIONS
Access-Control-Allow-Methods: POST, GET, OPTIONS
Access-Control-Allow-Origin: *
Access-Control-Max-Age: 3600
Connection: keep-alive
Access-Control-Allow-Headers: Content-Type, Access-Control-Allow-Headers, Authorization
Content-Length: 0

GET
H2 200 list Show response
www.duolingo.com/api/1/courses/ 24 KB
3 KB 148ms
147ms XHR
application/json 54.88.115.88
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL

https://www.duolingo.com/api/1/courses/list?_=1552459086290

Requested by

Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/vendor-918df91a.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-54-88-115-88.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

ef011f52ea79fbc7d98e1e106c10db02e6b41a667c46a13efd95ed9c0f9b4912

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

:path: /api/1/courses/list?_=1552459086290
pragma: no-cache
cookie: AWSALB=dTfzRcrc+BwwgXCfXmWak30oR0rvAgdOym/8O2Vgd+Osf9grunmZrWZ6/EUH21PViLzD8obRKypL2S2Sf35bj8mmij3IyOXNYjUu7+Wv2Zc31yRbujg+m0XI+sJg; logged_out_uuid=c71c754d-4367-4525-897c-bed07b162bbb; lang=en; wuuid=26b4f76e-38d3-47e7-9547-b1471abf5b4a; _pxhd=6b175e891f2af24642ab5bb086f3ca6b5356917f2422e430e04ef2b7c943f329:8ecd6771-455a-11e9-b622-01095d239766; lu=https://www.duolingo.com/; lp=splash
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept: application/json, text/plain, */*
cache-control: no-cache
:authority: www.duolingo.com
x-requested-with: XMLHttpRequest
:scheme: https
referer: https://www.duolingo.com/
:method: GET
Accept: application/json, text/plain, */*
Referer: https://www.duolingo.com/
X-Requested-With: XMLHttpRequest
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Wed, 13 Mar 2019 06:38:06 GMT
content-encoding: gzip
x-ws: UK
x-tid: ffff590e5c88a2c205af
surrogate-control: no-store
status: 200
x-envoy-upstream-service-time: 54
x-duo-request-host: www.duolingo.com
x-runtime: 0.01722
server: duo-api
x-frame-options: SAMEORIGIN
content-type: application/json; charset=UTF-8
pragma: no-cache
cache-control: no-store, no-cache, must-revalidate, proxy-revalidate
set-cookie: AWSALB=k7gBrt9iM6fAVFYhQ4bcY7wedtA65Q14rfTCMVsgFvHtuDodi861wjUK8zuzbY/egnM57liNIyYcUf0dMKGDBTxcgyp1DJVgqhyR/XzwIrCPC6sUWvJ/NVuNSHW0; Expires=Wed, 20 Mar 2019 06:38:06 GMT; Path=/
expires: 0

OPTIONS
H/1.1 200
OK batch Show response
excess.duolingo.com/ 0
395 B 568ms
116ms XHR
text/plain 52.204.245.71
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/vendor-918df91a.js
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.204.245.71 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS: ec2-52-204-245-71.compute-1.amazonaws.com
Software: nginx/1.12.1 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Pragma: no-cache
Access-Control-Request-Method: POST
Origin: https://www.duolingo.com
Accept-Encoding: gzip, deflate, br
Host: excess.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept: */*
Cache-Control: no-cache
Referer: https://www.duolingo.com/
Connection: keep-alive
Access-Control-Request-Headers: content-type
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_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Access-Control-Request-Headers: content-type

Response headers

Date: Wed, 13 Mar 2019 06:38:06 GMT
Accept-Encoding: gzip, identity
Server: nginx/1.12.1
Allow: GET, HEAD, POST, TRACE, OPTIONS
Access-Control-Allow-Methods: POST, GET, OPTIONS
Access-Control-Allow-Origin: *
Access-Control-Max-Age: 3600
Connection: keep-alive
Access-Control-Allow-Headers: Content-Type, Access-Control-Allow-Headers, Authorization
Content-Length: 0

POST
H2 200 collector Show response
collector-pxasqjfz9w.perimeterx.net/api/v1/ 536 B
838 B 70ms
24ms 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/v1/collector
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/vendor-918df91a.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: a06519ed7a5fa0dca663c8ca70aaf261e53504178934f8f074bead4075bc9413

Request headers

Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/x-www-form-urlencoded

Response headers

date: Wed, 13 Mar 2019 06:38:06 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: 536

GET
H2 200 analytics.js Show response
www.google-analytics.com/ 43 KB
17 KB 9ms
7ms Script
text/javascript 2a00:1450:4001:816::200e
Google LLC

General

Check archive.org

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/gtag/js?id=UA-21595814-1

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

2a00:1450:4001:816::200e , Ireland, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

3e552578c7d450b023f2cd9d28f830be4335c3acc6c4ab6dadda0769f09e5f22

Security Headers

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

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

strict-transport-security: max-age=10886400; includeSubDomains; preload
content-encoding: gzip
x-content-type-options: nosniff
last-modified: Wed, 16 Jan 2019 20:01:45 GMT
server: Golfe2
age: 3072
date: Wed, 13 Mar 2019 05:46:54 GMT
vary: Accept-Encoding
content-type: text/javascript
status: 200
cache-control: public, max-age=7200
timing-allow-origin: *
alt-svc: quic=":443"; ma=2592000; v="46,44,43,39"
content-length: 17543
expires: Wed, 13 Mar 2019 07:46:54 GMT

GET
H2

200

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

https://www.google-analytics.com/r/collect?v=1&_v=j73&a=2100527781&t=pageview&_s=1&dl=https%3A%2F%2Fwww.duolingo.com%2F&ul=en-us&de=UTF-8&dt=Duolingo%3A%20Learn%20Spanish%2C%20French%20and%20other%...
https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-21595814-1&cid=1381488286.1552459087&jid=744755533&_gid=2106153717.1552459087&gjid=181889975&_v=j73&z=203501811
https://www.google.com/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-21595814-1&cid=1381488286.1552459087&jid=744755533&_v=j73&z=203501811
https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-21595814-1&cid=1381488286.1552459087&jid=744755533&_v=j73&z=203501811&slf_rd=1&random=37609920

42 B
109 B

18ms
18ms

Image
image/gif

2a00:1450:4001:820::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=1381488286.1552459087&jid=744755533&_v=j73&z=203501811&slf_rd=1&random=37609920

Requested by

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

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

2a00:1450:4001:820::2003 , Ireland, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

Referer: https://www.duolingo.com/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

pragma: no-cache
date: Wed, 13 Mar 2019 06:38:06 GMT
x-content-type-options: nosniff
content-type: image/gif
server: cafe
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status: 200
cache-control: no-cache, no-store, must-revalidate
timing-allow-origin: *
alt-svc: quic=":443"; ma=2592000; v="46,44,43,39"
content-length: 42
x-xss-protection: 1; mode=block
expires: Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

pragma: no-cache
date: Wed, 13 Mar 2019 06:38:06 GMT
x-content-type-options: nosniff
server: cafe
timing-allow-origin: *
location: https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-21595814-1&cid=1381488286.1552459087&jid=744755533&_v=j73&z=203501811&slf_rd=1&random=37609920
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status: 302
cache-control: no-cache, no-store, must-revalidate
content-type: text/html; charset=UTF-8
alt-svc: quic=":443"; ma=2592000; v="46,44,43,39"
content-length: 0
x-xss-protection: 1; mode=block
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
H/1.1 200
OK batch Show response
excess.duolingo.com/ 34 B
390 B 232ms
193ms XHR
text/plain 52.204.245.71
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: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.204.245.71 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS: ec2-52-204-245-71.compute-1.amazonaws.com
Software: nginx/1.12.1 /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Pragma: no-cache
Origin: https://www.duolingo.com
Accept-Encoding: gzip, deflate, br
Host: excess.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/json
Accept: */*
Cache-Control: no-cache
Referer: https://www.duolingo.com/
Connection: keep-alive
Content-Length: 805
Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/json

Response headers

Date: Wed, 13 Mar 2019 06:38:06 GMT
Accept-Encoding: gzip, identity
Server: nginx/1.12.1
Access-Control-Max-Age: 3600
Access-Control-Allow-Methods: POST, GET, OPTIONS
Access-Control-Allow-Origin: *
Connection: keep-alive
Access-Control-Allow-Headers: Content-Type, Access-Control-Allow-Headers, Authorization
Content-Length: 34

POST
H/1.1 200
OK batch Show response
excess.duolingo.com/ 34 B
390 B 230ms
228ms XHR
text/plain 52.204.245.71
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.204.245.71 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS: ec2-52-204-245-71.compute-1.amazonaws.com
Software: nginx/1.12.1 /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Pragma: no-cache
Origin: https://www.duolingo.com
Accept-Encoding: gzip, deflate, br
Host: excess.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/json
Accept: */*
Cache-Control: no-cache
Referer: https://www.duolingo.com/
Connection: keep-alive
Content-Length: 861
Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/json

Response headers

Date: Wed, 13 Mar 2019 06:38:06 GMT
Accept-Encoding: gzip, identity
Server: nginx/1.12.1
Access-Control-Max-Age: 3600
Access-Control-Allow-Methods: POST, GET, OPTIONS
Access-Control-Allow-Origin: *
Connection: keep-alive
Access-Control-Allow-Headers: Content-Type, Access-Control-Allow-Headers, Authorization
Content-Length: 34

POST
H/1.1 200
OK batch Show response
excess.duolingo.com/ 34 B
390 B 224ms
223ms XHR
text/plain 52.204.245.71
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.204.245.71 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS: ec2-52-204-245-71.compute-1.amazonaws.com
Software: nginx/1.12.1 /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Pragma: no-cache
Origin: https://www.duolingo.com
Accept-Encoding: gzip, deflate, br
Host: excess.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/json
Accept: */*
Cache-Control: no-cache
Referer: https://www.duolingo.com/
Connection: keep-alive
Content-Length: 853
Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/json

Response headers

Date: Wed, 13 Mar 2019 06:38:07 GMT
Accept-Encoding: gzip, identity
Server: nginx/1.12.1
Access-Control-Max-Age: 3600
Access-Control-Allow-Methods: POST, GET, OPTIONS
Access-Control-Allow-Origin: *
Connection: keep-alive
Access-Control-Allow-Headers: Content-Type, Access-Control-Allow-Headers, Authorization
Content-Length: 34

POST
H/1.1 200
OK batch Show response
excess.duolingo.com/ 34 B
390 B 229ms
229ms XHR
text/plain 52.204.245.71
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.204.245.71 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS: ec2-52-204-245-71.compute-1.amazonaws.com
Software: nginx/1.12.1 /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Pragma: no-cache
Origin: https://www.duolingo.com
Accept-Encoding: gzip, deflate, br
Host: excess.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/json
Accept: */*
Cache-Control: no-cache
Referer: https://www.duolingo.com/
Connection: keep-alive
Content-Length: 902
Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/json

Response headers

Date: Wed, 13 Mar 2019 06:38:07 GMT
Accept-Encoding: gzip, identity
Server: nginx/1.12.1
Access-Control-Max-Age: 3600
Access-Control-Allow-Methods: POST, GET, OPTIONS
Access-Control-Allow-Origin: *
Connection: keep-alive
Access-Control-Allow-Headers: Content-Type, Access-Control-Allow-Headers, Authorization
Content-Length: 34

POST
H/1.1 200
OK batch Show response
excess.duolingo.com/ 34 B
390 B 207ms
206ms XHR
text/plain 52.204.245.71
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.204.245.71 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS: ec2-52-204-245-71.compute-1.amazonaws.com
Software: nginx/1.12.1 /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Pragma: no-cache
Origin: https://www.duolingo.com
Accept-Encoding: gzip, deflate, br
Host: excess.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/json
Accept: */*
Cache-Control: no-cache
Referer: https://www.duolingo.com/
Connection: keep-alive
Content-Length: 903
Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/json

Response headers

Date: Wed, 13 Mar 2019 06:38:07 GMT
Accept-Encoding: gzip, identity
Server: nginx/1.12.1
Access-Control-Max-Age: 3600
Access-Control-Allow-Methods: POST, GET, OPTIONS
Access-Control-Allow-Origin: *
Connection: keep-alive
Access-Control-Allow-Headers: Content-Type, Access-Control-Allow-Headers, Authorization
Content-Length: 34

POST
H/1.1 200
OK batch Show response
excess.duolingo.com/ 34 B
390 B 231ms
231ms XHR
text/plain 52.204.245.71
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.204.245.71 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS: ec2-52-204-245-71.compute-1.amazonaws.com
Software: nginx/1.12.1 /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Pragma: no-cache
Origin: https://www.duolingo.com
Accept-Encoding: gzip, deflate, br
Host: excess.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/json
Accept: */*
Cache-Control: no-cache
Referer: https://www.duolingo.com/
Connection: keep-alive
Content-Length: 826
Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/json

Response headers

Date: Wed, 13 Mar 2019 06:38:07 GMT
Accept-Encoding: gzip, identity
Server: nginx/1.12.1
Access-Control-Max-Age: 3600
Access-Control-Allow-Methods: POST, GET, OPTIONS
Access-Control-Allow-Origin: *
Connection: keep-alive
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/v1/ 366 B
511 B 27ms
27ms 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/v1/collector
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/vendor-918df91a.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: 4d39b2d66ba46e264bc3252c709295409f052ce745ed74c83d43319df8e04a63

Request headers

Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/x-www-form-urlencoded

Response headers

date: Wed, 13 Mar 2019 06:38:07 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

POST
H2 200 collector Show response
collector-pxasqjfz9w.perimeterx.net/api/v1/ 366 B
507 B 24ms
24ms 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/v1/collector
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/vendor-918df91a.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: e1cb97b8dd8a0382035901a7a02e99405021a6fb0b363b10d3daf54cfa86fda1

Request headers

Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/x-www-form-urlencoded

Response headers

date: Wed, 13 Mar 2019 06:38:08 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

POST
H2 200 collector Show response
collector-pxasqjfz9w.perimeterx.net/api/v1/ 366 B
507 B 16ms
15ms 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/v1/collector
Requested by: Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/vendor-918df91a.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: 6aae2404726e72574f096c249cf3f7a1ff2a0756b24455ce16e2f9f70f153415

Request headers

Referer: https://www.duolingo.com/
Origin: https://www.duolingo.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-type: application/x-www-form-urlencoded

Response headers

date: Wed, 13 Mar 2019 06:38:10 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

37 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.

12 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
.www.duolingo.com/	1970-01-18 23:14:19	Name: _gat_gtag_UA_21595814_1 Value: 1
www.duolingo.com/	1969-12-31 23:59:59	Name: wuuid Value: 26b4f76e-38d3-47e7-9547-b1471abf5b4a
.duolingo.com/	1970-01-19 12:11:55	Name: _pxvid Value: 8f3dc9c1-455a-11e9-a431-0242ac120010
www.duolingo.com/	1970-01-18 23:24:23	Name: AWSALB Value: 2693l6jY3aEbP9ez8TYe2luCWUGC6mFE69L2qYklctdNx+A94ghI8BlPtgq/+z4n7C7aM+dSqrSLi1MJfXhGmAqZcY22HEIwPVd4pV8C6P71vczuiTahSlSXs4Cf
.duolingo.com/	1970-01-19 07:59:55	Name: lp Value: splash
.www.duolingo.com/	1970-01-19 16:45:31	Name: _ga Value: GA1.3.1381488286.1552459087
.duolingo.com/	1970-01-18 23:14:19	Name: _px3 Value: 1c36af9eb948c0597dd983ea8b07a6680b0dc309742832bf8b61968e2acb29f4:Sm6e1R4oZVSGBiGp36e30XRTmNR4b+89PgGALBkQj6W0dr2hWrgbJgHISI1qorHueJfCJPAcJUngEcNSlT5ffw==:1000:uo2dZrJLeFwVeyo1h4jI0VK01URSo3Yr3X2ljcBOkF3eFlthaLN94P1aK+lxrawBkNnGBf+FPqb5mnd+Qy+hIv9ho+GlUE6z9XbidX5xXVHNnvX/guGPvID0ShKkDhOkHXFQ3r4SK6V6lLD3ufqaB/oCT9G2NcemAAwNDYgME6I=
.duolingo.com/	1970-01-19 07:59:55	Name: lu Value: https://www.duolingo.com/
www.duolingo.com/	1970-01-19 07:59:55	Name: _pxhd Value: 6b175e891f2af24642ab5bb086f3ca6b5356917f2422e430e04ef2b7c943f329:8ecd6771-455a-11e9-b622-01095d239766
.duolingo.com/	1970-01-19 07:59:55	Name: lang Value: en
.www.duolingo.com/	1970-01-18 23:15:45	Name: _gid Value: GA1.3.2106153717.1552459087
.duolingo.com/	1970-01-19 07:59:55	Name: logged_out_uuid Value: c71c754d-4367-4525-897c-bed07b162bbb

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/vendor-918df91a.js(Line 53) 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
d35aaqx5ub95lt.cloudfront.net
d7mj4aqfscim2.cloudfront.net
excess.duolingo.com
stats.g.doubleclick.net
www.duolingo.com
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
151.101.2.110
2600:9000:200d:3800:7:60cd:e840:21
2600:9000:200d:f600:7:60cd:e840:21
2a00:1450:4001:808::2008
2a00:1450:4001:816::200e
2a00:1450:4001:820::2003
2a00:1450:4001:824::2004
2a00:1450:400c:c04::9d
34.197.216.143
35.190.10.112
52.204.245.71
52.85.182.234
54.88.115.88
1845e557c54d4a182caca87a342b73a5c24bca80770893bb59ea95abf8cc9370
26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615
2ac54a163b2280d798a11e036ae18f804bdc2731cfaa9773c07ff0c2bb679621
2cf647948337600dbe8558d968ba52007326132a72245429a5fa9c0ba3a46eda
36c9fa0284f9e10fc085f67bfa144b7a67a292f2306858720e5ac2d8c2876a5b
3a385b9e624c03a915c93d61644b1229c044e35c5f6caed18c450a8aea0117f2
3e552578c7d450b023f2cd9d28f830be4335c3acc6c4ab6dadda0769f09e5f22
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
4d39b2d66ba46e264bc3252c709295409f052ce745ed74c83d43319df8e04a63
6444cd50472599eb4c2123b58e8478b6655e345f19c6c5742e81aca159300b18
6aae2404726e72574f096c249cf3f7a1ff2a0756b24455ce16e2f9f70f153415
6e7ad25b6fbbf8881d9b638aae07be1927b5e56aecb1944318c36ec217356450
77a3b1dd9378c250f70b7aff31ae7bb0a19461ccf562a3088036dace4075eae7
79fec0ff6746c9a6b2c329425b4e71b9fa48f77a40aab01b33acec29f46e636e
85fae08780fe91a1b47ceba99f4bce1b0c7419c2ac68b8009dbadaddda21e68c
87104700fcd29a67821b63c8b2468fa5f473f262d0d62ee50987080e4b16b101
8ee40c70098da30794ac565c9a08ba8c379f194988525c7f65824f74a3eb1a08
9751f3d28f78ff27b08028fe95ecf08e1541d427122242d712d5e4beee37c87c
a06519ed7a5fa0dca663c8ca70aaf261e53504178934f8f074bead4075bc9413
d5289bc1963fc7b88dbea3b9400d49c9f4771a4afb0bfe678851a37227923085
e1cb97b8dd8a0382035901a7a02e99405021a6fb0b363b10d3daf54cfa86fda1
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
ec078f79e27c3ad2f41eb5340fa93539fa32eaad4eb193ada5c23a497d3b939c
ef011f52ea79fbc7d98e1e106c10db02e6b41a667c46a13efd95ed9c0f9b4912
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
f279610abe92e4096c2332b31a63f834047ac1bd24fb1acb975e7e0ad6e5dbde
f62ed07f690717c5fdec394250dfe5af0d8b8142f221513f405ab9e8c107486a
fd1612a6ac8ee33b22fc37cf39232795603b55e07aec7b71369af2815821eb17

www.duolingo.com Open in urlscan Pro 54.88.115.88 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

38 Requests

100 %HTTPS

54 %IPv6

8 Domains

11 Subdomains

10 IPs

2 Countries

930 kBTransfer

3199 kBSize

12 Cookies

45 Outgoing links

Page URL History

Redirected requests

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

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

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

Screenshot
Live screenshot

Full Image

38
Requests

100 %
HTTPS

54 %
IPv6

8
Domains

11
Subdomains

10
IPs

2
Countries

930 kB
Transfer

3199 kB
Size

12
Cookies

38 HTTP transactions
0 data transactions