schools.duolingo.com Open in urlscan Pro
34.235.251.2 Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
http://schools.duolingo.com/
Effective URL:
https://schools.duolingo.com/
Submission: On December 05 via api (December 5th 2023, 12:40:21 pm UTC) from US — Scanned from DE

Summary HTTP 64 Redirects Links 10 Behaviour Indicators

Summary

This website contacted 21 IPs in 3 countries across 13 domains to perform 64 HTTP transactions. The main IP is 34.235.251.2, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is schools.duolingo.com. The Cisco Umbrella rank of the primary domain is 45527.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on November 20th 2022. Valid for: a year.

This is the only time schools.duolingo.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 1	23.21.242.178 23.21.242.178	14618 (AMAZON-AES) (AMAZON-AES)
1	34.235.251.2 34.235.251.2	14618 (AMAZON-AES) (AMAZON-AES)
21	52.222.236.5 52.222.236.5	16509 (AMAZON-02) (AMAZON-02)
3	2a00:1450:400... 2a00:1450:4001:830::2008	15169 (GOOGLE) (GOOGLE)
2	151.101.1.44 151.101.1.44	54113 (FASTLY) (FASTLY)
2	2a00:1450:400... 2a00:1450:4001:828::200e	15169 (GOOGLE) (GOOGLE)
2	2a03:2880:f08... 2a03:2880:f083:100:face:b00c:0:3	32934 (FACEBOOK) (FACEBOOK)
10	2a00:1450:400... 2a00:1450:4001:80e::200e	15169 (GOOGLE) (GOOGLE)
4	3.231.175.109 3.231.175.109	14618 (AMAZON-AES) (AMAZON-AES)
1	54.156.193.235 54.156.193.235	14618 (AMAZON-AES) (AMAZON-AES)
2	2a00:1450:400... 2a00:1450:4001:80b::2003	15169 (GOOGLE) (GOOGLE)
2	2001:4860:480... 2001:4860:4802:32::36	15169 (GOOGLE) (GOOGLE)
1	2a03:2880:f17... 2a03:2880:f176:84:face:b00c:0:25de	32934 (FACEBOOK) (FACEBOOK)
1 2	2a00:1450:400... 2a00:1450:4001:82b::2002	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:813::2006	15169 (GOOGLE) (GOOGLE)
4	2a00:1450:400... 2a00:1450:4001:803::200a	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:827::2004	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:827::2016	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:830::2001	15169 (GOOGLE) (GOOGLE)
2	2a00:1450:400... 2a00:1450:4001:809::2003	15169 (GOOGLE) (GOOGLE)
2	141.226.228.48 141.226.228.48	200478 (TABOOLA-AS) (TABOOLA-AS)
64	21

1 23.21.242.178 (Ashburn, United States) 1 redirects

ASN14618 (AMAZON-AES, US)
PTR: ec2-23-21-242-178.compute-1.amazonaws.com

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

1 34.235.251.2 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-34-235-251-2.compute-1.amazonaws.com

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

21 52.222.236.5 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-52-222-236-5.fra56.r.cloudfront.net

schools-cdn.duolingo.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2a00:1450:4001:830::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

2 151.101.1.44 (United States)

ASN54113 (FASTLY, US)

cdn.taboola.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
trc.taboola.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:828::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

2 2a03:2880:f083:100:face:b00c:0:3 (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)

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

10 2a00:1450:4001:80e::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

4 3.231.175.109 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-3-231-175-109.compute-1.amazonaws.com

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

1 54.156.193.235 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-54-156-193-235.compute-1.amazonaws.com

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

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

ASN15169 (GOOGLE, US)

fonts.gstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2001:4860:4802:32::36 (United States)

ASN15169 (GOOGLE, US)

region1.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a03:2880:f176:84:face:b00c:0:25de (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)

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

2 2a00:1450:4001:82b::2002 (Frankfurt am Main, Germany) 1 redirects

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:813::2006 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

static.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2a00:1450:4001:803::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

jnn-pa.googleapis.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:827::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:827::2016 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

i.ytimg.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:830::2001 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

yt3.ggpht.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:809::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

2 141.226.228.48 (Netherlands)

ASN200478 (TABOOLA-AS, IL)

trc-events.taboola.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
28	duolingo.com 1 redirects schools.duolingo.com — Cisco Umbrella Rank: 45527 schools-cdn.duolingo.com — Cisco Umbrella Rank: 289234 excess.duolingo.com — Cisco Umbrella Rank: 11384 www.duolingo.com — Cisco Umbrella Rank: 20015	1 MB
10	youtube.com www.youtube.com — Cisco Umbrella Rank: 71	3 MB
4	googleapis.com jnn-pa.googleapis.com — Cisco Umbrella Rank: 203	32 KB
4	gstatic.com fonts.gstatic.com www.gstatic.com	48 KB
4	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 27 region1.google-analytics.com — Cisco Umbrella Rank: 2189	21 KB
4	taboola.com cdn.taboola.com — Cisco Umbrella Rank: 1020 trc.taboola.com — Cisco Umbrella Rank: 648 trc-events.taboola.com — Cisco Umbrella Rank: 2040	22 KB
3	doubleclick.net 1 redirects googleads.g.doubleclick.net — Cisco Umbrella Rank: 33 static.doubleclick.net — Cisco Umbrella Rank: 248	1 KB
3	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 36	261 KB
2	facebook.net connect.facebook.net — Cisco Umbrella Rank: 168	90 KB
1	ggpht.com yt3.ggpht.com — Cisco Umbrella Rank: 226	3 KB
1	ytimg.com i.ytimg.com — Cisco Umbrella Rank: 89	22 KB
1	google.com www.google.com — Cisco Umbrella Rank: 2	15 KB
1	facebook.com www.facebook.com — Cisco Umbrella Rank: 98	185 B
64	13

	Domain	Requested by
21	schools-cdn.duolingo.com	schools.duolingo.com schools-cdn.duolingo.com
10	www.youtube.com	schools-cdn.duolingo.com www.youtube.com www.googletagmanager.com
4	jnn-pa.googleapis.com	www.youtube.com
4	excess.duolingo.com	schools-cdn.duolingo.com
3	www.googletagmanager.com	schools.duolingo.com www.googletagmanager.com www.google-analytics.com
2	trc-events.taboola.com	schools-cdn.duolingo.com
2	www.gstatic.com	www.youtube.com www.gstatic.com
2	googleads.g.doubleclick.net	1 redirects www.youtube.com
2	region1.google-analytics.com	www.googletagmanager.com
2	fonts.gstatic.com	www.youtube.com
2	connect.facebook.net	schools.duolingo.com connect.facebook.net
2	www.google-analytics.com	www.googletagmanager.com schools-cdn.duolingo.com
2	schools.duolingo.com	1 redirects
1	yt3.ggpht.com	www.youtube.com
1	i.ytimg.com	www.youtube.com
1	www.google.com	www.youtube.com
1	static.doubleclick.net	www.youtube.com
1	www.facebook.com	schools.duolingo.com
1	trc.taboola.com	cdn.taboola.com
1	www.duolingo.com	schools-cdn.duolingo.com
1	cdn.taboola.com	www.googletagmanager.com
64	21

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

Domain
duolingo.com
www.duolingo.com
careers.duolingo.com
duolingoschools.zendesk.com
www.facebook.com
twitter.com

Subject Issuer	Validity	Valid
*.duolingo.com Go Daddy Secure Certificate Authority - G2	`2022-11-20` - `2023-12-22`	a year	crt.sh
*.google-analytics.com GTS CA 1C3	`2023-10-23` - `2024-01-15`	3 months	crt.sh
*.taboola.com DigiCert Global G2 TLS RSA SHA256 2020 CA1	`2023-10-23` - `2024-11-22`	a year	crt.sh
*.facebook.com DigiCert SHA2 High Assurance Server CA	`2023-09-13` - `2023-12-12`	3 months	crt.sh
*.google.com GTS CA 1C3	`2023-10-23` - `2024-01-15`	3 months	crt.sh
*.gstatic.com GTS CA 1C3	`2023-10-23` - `2024-01-15`	3 months	crt.sh
*.doubleclick.net GTS CA 1C3	`2023-10-23` - `2024-01-15`	3 months	crt.sh
upload.video.google.com GTS CA 1C3	`2023-10-23` - `2024-01-15`	3 months	crt.sh
www.google.com GTS CA 1C3	`2023-10-23` - `2024-01-15`	3 months	crt.sh
edgestatic.com GTS CA 1C3	`2023-10-23` - `2024-01-15`	3 months	crt.sh
*.googleusercontent.com GTS CA 1C3	`2023-10-23` - `2024-01-15`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://schools.duolingo.com/
Frame ID: 300FAA3639F6640257ACD73E03BDE4A5
Requests: 41 HTTP requests in this frame

Frame: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com
Frame ID: 9A77764E980719A20A5FF07D5457F6CE
Requests: 20 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Duolingo for Schools

Page URL History Show full URLs

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

Detected technologies

YouTube (Video Players) Expand

Overall confidence: 100%
Detected patterns

<(?:param|embed|iframe)[^>]+youtube(?:-nocookie)?\.com/(?:v|embed)

Facebook (Widgets) Expand

Overall confidence: 100%
Detected patterns

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

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

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

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

googletagmanager\.com/ns\.html[^>]+></iframe>
googletagmanager\.com/gtm\.js
googletagmanager\.com/gtag/js

Page Statistics

64
Requests

98 %
HTTPS

67 %
IPv6

13
Domains

21
Subdomains

21
IPs

3
Countries

4391 kB
Transfer

8712 kB
Size

10
Cookies

10 Outgoing links

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

URL: https://duolingo.com/
Title: Duolingo

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://www.duolingo.com/info
Title: About

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://www.duolingo.com/mobile
Title: Apps

Search URL Search Domain Scan URL

URL: https://duolingoschools.zendesk.com/hc/en-us
Title: Help

Search URL Search Domain Scan URL

URL: https://www.duolingo.com/terms
Title: Terms

Search URL Search Domain Scan URL

URL: https://www.duolingo.com/privacy
Title: Privacy

Search URL Search Domain Scan URL

URL: https://www.facebook.com/groups/duolingoeducators
Title: Facebook

Search URL Search Domain Scan URL

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

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

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 47

https://googleads.g.doubleclick.net/pagead/id HTTP 302
https://googleads.g.doubleclick.net/pagead/id?slf_rd=1

64 HTTP transactions
1 data transactions

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

GET
H2

200

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

http://schools.duolingo.com/
https://schools.duolingo.com/

2 KB
917 B

350ms
166ms

Document
text/html

34.235.251.2
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL

https://schools.duolingo.com/

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-34-235-251-2.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

4d798793a80590e1a541c309836a169448bd409a9e2763aa140192b0c3681062

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

content-encoding: br
content-length: 713
content-type: text/html; charset=utf-8
date: Tue, 05 Dec 2023 12:40:15 GMT
server: duo-api
vary: Accept-Encoding
x-duo-request-host: schools.duolingo.com
x-envoy-upstream-service-time: 64
x-frame-options: SAMEORIGIN

Redirect headers

Connection: keep-alive
Content-Length: 0
Date: Tue, 05 Dec 2023 12:40:15 GMT
location: https://schools.duolingo.com/
server: duo-api
x-duo-request-host: schools.duolingo.com
x-envoy-upstream-service-time: 0

GET
H2 200 vendor-722a939b.css
schools-cdn.duolingo.com/ 47 KB
9 KB 66ms
8ms Stylesheet
text/css 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://schools-cdn.duolingo.com/vendor-722a939b.css
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 2aed4a0161c774e820e5b66fc185c32ae6843377c8604d15490bc1196d1486f8

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: j2CMcTzOxcr1vKMVIJUpp5yddSoycEqN
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Mon, 04 Dec 2023 21:59:30 GMT
last-modified: Thu, 09 Nov 2023 15:16:52 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 75043
etag: "06095a1cd52381af95c224e9ac951c64"
x-cache: Hit from cloudfront
content-type: text/css
cache-control: max-age=315360000
content-length: 9068
x-amz-cf-id: 9myLWt36QtDhISKnqTIhP2MqVXBBjGoMKumpi0FKx6Q-76Nch2DniA==

GET
H2 200 app-07f035e8.css
schools-cdn.duolingo.com/ 123 KB
27 KB 67ms
9ms Stylesheet
text/css 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://schools-cdn.duolingo.com/app-07f035e8.css
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 495fcbaa1e6ac4ecb72bccea90807c26240e3013dff6c7638bec995ad57da4db

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: nyODH0EumBE9uh3QZTT2XNT.HIBbQOjV
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 06:10:54 GMT
last-modified: Thu, 09 Nov 2023 15:16:48 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 23520
etag: "8c9b218b5de71e8cdbe7bdd78a96a0c0"
x-cache: Hit from cloudfront
content-type: text/css
cache-control: max-age=315360000
content-length: 27010
x-amz-cf-id: OswO2-3_D6LlVnhIDushBRlq-WNvOX_pl4F-g-Zqxwk6qmAAFslgXA==

GET
H2 200 manifest-51c4864b.js Show response
schools-cdn.duolingo.com/js/ 4 KB
2 KB 53ms
11ms Script
application/javascript 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://schools-cdn.duolingo.com/js/manifest-51c4864b.js
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 23c7891df70b4bb080db9b51ab3469055a7b11bc9092bd2f50575b8c9558b797

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: 7j4dKnnn3rNw.pWEuJHKYf5aqFbS_qu9
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 03:29:25 GMT
last-modified: Thu, 09 Nov 2023 15:16:51 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 33342
etag: "a7619f789b780ff1058a966baad48ec1"
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=315360000
content-length: 2092
x-amz-cf-id: vu21QSDDEaslcE88EwL7siUv5F6gSOh77FkF6k98godnZdX85ji0PQ==

GET
H2 200 ltr-44a463b2.js Show response
schools-cdn.duolingo.com/js/css/ 235 KB
45 KB 56ms
14ms Script
application/javascript 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://schools-cdn.duolingo.com/js/css/ltr-44a463b2.js
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 1a61cbfd89aa2d4c1ff7eb4ef9d10656bc12d720087e092e66758bb51e52b05f

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: 5Bjsiq9rxFLdf1nMksqAT787g64uMNev
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 04:04:48 GMT
last-modified: Thu, 09 Nov 2023 15:16:51 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 31101
etag: "c7bfa8553ccaac025576d7002930d618"
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=315360000
content-length: 45803
x-amz-cf-id: EBHG-A4xXVBr_6JFeMBLp5uUsxOQLizePdtrF8OVtnqD0CBjzPdHnA==

GET
H2 200 en-a6c2b3d0.js Show response
schools-cdn.duolingo.com/js/strings/ 249 B
598 B 53ms
11ms Script
application/javascript 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://schools-cdn.duolingo.com/js/strings/en-a6c2b3d0.js
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 44d0e29951f975aff98efe9b83281f64e43dbb29e2b6f79c48625f9764c6a632

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: LpO30aRg0j8gOshz5Q_xtF89idFwtV9O
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 06:11:10 GMT
last-modified: Thu, 30 Nov 2023 15:20:46 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 23812
etag: "08c1d759d04c683b04bb76fc790393fa"
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=315360000
content-length: 198
x-amz-cf-id: gIxVsr0gbH03yQ8NLW6QdvHPMh0fmW_BGD1ju61fnsCzGJY1bkCrcQ==

GET
H2 200 vendor-a38edddf.js Show response
schools-cdn.duolingo.com/js/ 2 MB
455 KB 61ms
20ms Script
application/javascript 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://schools-cdn.duolingo.com/js/vendor-a38edddf.js
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 42ead103f71a9f6aa53055f6d44f08d31ce0831bc2fa2f203587d412f552733a

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: YvCOEyGAfbhEe4f7n_hKL2K.22QdK2kk
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 03:29:25 GMT
last-modified: Thu, 09 Nov 2023 15:16:52 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 33758
etag: "6c13e08aac25cd3a90f8c335876e2d07"
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=315360000
content-length: 464892
x-amz-cf-id: QaMh9_9lXQ8Y_pHahIJ2VyEJ2lTCIFzOnsxZO7oDW35JnA72yW5NCg==

GET
H2 200 app-0f00b6bb.js Show response
schools-cdn.duolingo.com/js/ 507 KB
121 KB 26ms
25ms Script
application/javascript 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://schools-cdn.duolingo.com/js/app-0f00b6bb.js
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: e4aae663f256576f9a1e7ea2c4318c4f4149a1e7282d44c5786b09677b7b6221

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: vARewar88945Q15p03.WTIq9VuNr39Cp
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Mon, 04 Dec 2023 15:23:09 GMT
last-modified: Thu, 30 Nov 2023 15:20:46 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 76714
etag: "3bf98b4c02aa6a03ac79a526f19dd619"
x-cache: Hit from cloudfront
content-type: application/javascript
cache-control: max-age=315360000
content-length: 123140
x-amz-cf-id: BbUrmDzpbYL3X3DJbVMQpJoKn8lJzT0ufmN6ABd739Aoxs1UgjbJPQ==

GET
H2 200 gtm.js Show response
www.googletagmanager.com/ 283 KB
94 KB 55ms
31ms Script
application/javascript 2a00:1450:4001:830::2008
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

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

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:830::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

a6b92835f4b83dec6b727c853fd5602d19c62183a4a2c41909d1a4f565e1e89a

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 12:40:15 GMT
content-encoding: br
strict-transport-security: max-age=31536000; includeSubDomains
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 95543
x-xss-protection: 0
last-modified: Tue, 05 Dec 2023 12:00:00 GMT
server: Google Tag Manager
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
access-control-allow-origin: *
cache-control: private, max-age=900
access-control-allow-credentials: true
access-control-allow-headers: Cache-Control
expires: Tue, 05 Dec 2023 12:40:15 GMT

GET
H2 200 js Show response
www.googletagmanager.com/gtag/ 241 KB
83 KB 23ms
23ms Script
application/javascript 2a00:1450:4001:830::2008
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googletagmanager.com/gtag/js?id=G-K7B90B1WR0&l=dataLayer&cx=c

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:830::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

b8f06cdfce7a0fe954b9e9fa5c8ec5eb45888c95d83bfc21ec48f88e36c8fbbc

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 12:40:15 GMT
content-encoding: br
strict-transport-security: max-age=31536000; includeSubDomains
server: Google Tag Manager
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
access-control-allow-origin: *
cache-control: private, max-age=900
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
access-control-allow-headers: Cache-Control
content-length: 85381
x-xss-protection: 0
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires: Tue, 05 Dec 2023 12:40:15 GMT

GET
H2 200 tfa.js Show response
cdn.taboola.com/libtrc/unip/1382618/ 64 KB
20 KB 37ms
8ms Script
application/javascript 151.101.1.44
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL: https://cdn.taboola.com/libtrc/unip/1382618/tfa.js
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-NXRLZVS
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 151.101.1.44 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 0391c918a26af4d65ae0935ee88b0276f831d4c95ce0dda1457db36fe34498d8

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: a2ojXgDmmWD25mX5VxQXsZIYqohhAw3Q
content-encoding: gzip
via: 1.1 varnish
date: Tue, 05 Dec 2023 12:40:15 GMT
x-amz-request-id: AQ418NWZG1V5QYSB
age: 85
x-amz-server-side-encryption: AES256
x-cache: HIT
x-amz-replication-status: COMPLETED
content-length: 19962
x-amz-id-2: C3KWAxN4mUZqNBOyJL4cv54VL0UaFjO58B1zRqOhkKMgYqfkE3RyMLB/ZxR/rNGXyClSY1Pg85Y=
x-served-by: cache-fra-etou8220056-FRA
last-modified: Sun, 03 Dec 2023 11:18:23 GMT
server: AmazonS3
x-timer: S1701780016.725169,VS0,VE1
etag: "fa165b20aef76339684e5a46d68f3aee"
vary: Accept-Encoding
content-type: application/javascript; charset=utf-8
abp: 97
access-control-allow-origin: *
cache-control: private,max-age=14401
accept-ranges: bytes
x-cache-hits: 1

GET
H2 200 analytics.js Show response
www.google-analytics.com/ 52 KB
21 KB 30ms
7ms Script
text/javascript 2a00:1450:4001:828::200e
GOOGLE

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/gtm.js?id=GTM-NXRLZVS

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:828::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

de36e50194320a7d3ef1ace9bd34a875a8bd458b253c061979dd628e9bf49afd

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

strict-transport-security: max-age=10886400; includeSubDomains; preload
content-encoding: gzip
x-content-type-options: nosniff
date: Tue, 05 Dec 2023 12:31:36 GMT
last-modified: Mon, 12 Jun 2023 18:23:07 GMT
server: Golfe2
age: 519
vary: Accept-Encoding
content-type: text/javascript
cache-control: public, max-age=7200
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 20994
expires: Tue, 05 Dec 2023 14:31:36 GMT

GET
H2 200 fbevents.js Show response
connect.facebook.net/en_US/ 202 KB
55 KB 27ms
8ms Script
application/x-javascript 2a03:2880:f083:100: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: schools.duolingo.com
URL: https://schools.duolingo.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a03:2880:f083:100:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),

Reverse DNS

Software

Resource Hash

3e136e77083bfc6ef14ffc5abd19da89a82bf12fc0cda3c603e01582b93303c8

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

permissions-policy-report-only: autoplay=(), clipboard-read=(), clipboard-write=(), display-capture=(), document-domain=(), encrypted-media=(), fullscreen=(), gamepad=(), keyboard-map=(), otp-credentials=(), picture-in-picture=(), xr-spatial-tracking=()
content-security-policy: default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net wss://*.fbcdn.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c&minimize=0;require-trusted-types-for 'script';
content-encoding: gzip
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; preload; includeSubDomains
date: Tue, 05 Dec 2023 12:40:15 GMT
document-policy: force-load-at-top
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
content-length: 54273
x-xss-protection: 0
reporting-endpoints: coep_report="https://www.facebook.com/browser_reporting/?minimize=0"
pragma: public
x-fb-debug: yyoq+jPbpZ2vuuEZW72BoHR2FCHOSbzcLLCgxJbNm3HX06dbtBK3SNeRB2Yisf6BEKZshRbq+zd+oT8RowpyfQ==
cross-origin-embedder-policy-report-only: require-corp;report-to="coep_report"
cross-origin-opener-policy: same-origin-allow-popups
vary: Accept-Encoding
report-to: {"max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/?minimize=0"}],"group":"coep_report"}
content-type: application/x-javascript; charset=utf-8
x-frame-options: DENY
origin-agent-cluster: ?0
cache-control: public, max-age=1200
permissions-policy: accelerometer=(), ambient-light-sensor=(), bluetooth=(), camera=(), gamepad=(), geolocation=(), gyroscope=(), hid=(), idle-detection=(), local-fonts=(), magnetometer=(), microphone=(), midi=(), payment=(), publickey-credentials-get=(), screen-wake-lock=(), serial=(), usb=(), window-management=()
timing-allow-origin: *
expires: Sat, 01 Jan 2000 00:00:00 GMT

GET
H2 200 E6hadnnW-JE Show response
www.youtube.com/embed/ Frame 9A77 93 KB
40 KB 95ms
63ms Document
text/html 2a00:1450:4001:80e::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com

Requested by

Host: schools-cdn.duolingo.com
URL: https://schools-cdn.duolingo.com/js/vendor-a38edddf.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

ESF /

Resource Hash

feff9fe831b47b885c48c012dc0049926cc457ada2142471577e51798cd70f93

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

Referer: https://schools.duolingo.com/
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factor, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control: no-cache, no-store, max-age=0, must-revalidate
content-encoding: br
content-type: text/html; charset=utf-8
cross-origin-opener-policy-report-only: same-origin; report-to="youtube_main"
cross-origin-resource-policy: cross-origin
date: Tue, 05 Dec 2023 12:40:16 GMT
expires: Mon, 01 Jan 1990 00:00:00 GMT
origin-trial: AvC9UlR6RDk2crliDsFl66RWLnTbHrDbp+DiY6AYz/PNQ4G4tdUTjrHYr2sghbkhGQAVxb7jaPTHpEVBz0uzQwkAAAB4eyJvcmlnaW4iOiJodHRwczovL3lvdXR1YmUuY29tOjQ0MyIsImZlYXR1cmUiOiJXZWJWaWV3WFJlcXVlc3RlZFdpdGhEZXByZWNhdGlvbiIsImV4cGlyeSI6MTcxOTUzMjc5OSwiaXNTdWJkb21haW4iOnRydWV9
p3p: CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657?hl=de for more info."
permissions-policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factor=*, ch-ua-platform=*, ch-ua-platform-version=*
pragma: no-cache
report-to: {"group":"youtube_main","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube_main"}]}
server: ESF
strict-transport-security: max-age=31536000
vary: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factor, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-content-type-options: nosniff
x-xss-protection: 0

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 319ms
91ms Preflight 3.231.175.109
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 3.231.175.109 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-3-231-175-109.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://schools.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Tue, 05 Dec 2023 12:40:16 GMT
server: Jetty(9.4.53.v20231009)

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 307ms
91ms Preflight 3.231.175.109
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 3.231.175.109 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-3-231-175-109.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://schools.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

accept-encoding: gzip, identity
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
access-control-allow-methods: POST, GET, OPTIONS
access-control-allow-origin: *
access-control-max-age: 3600
allow: GET, HEAD, POST, TRACE, OPTIONS
content-length: 0
date: Tue, 05 Dec 2023 12:40:16 GMT
server: Jetty(9.4.53.v20231009)

GET
H2 200 09cebe78cadbe53a9ebb3491ea3d7a6c.svg
schools-cdn.duolingo.com/images/ 948 B
688 B 11ms
6ms Image
image/svg+xml 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://schools-cdn.duolingo.com/images/09cebe78cadbe53a9ebb3491ea3d7a6c.svg
Requested by: Host: schools-cdn.duolingo.com
URL: https://schools-cdn.duolingo.com/app-07f035e8.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 2d60b5be0addfafe5389550ad0ab2f7961f9a16fae3150f4df1914c23d17004a

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools-cdn.duolingo.com/app-07f035e8.css
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: zeR4LrypHH3jXKaNNz6a1QO6cbCc936m
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 10:25:23 GMT
last-modified: Thu, 30 Nov 2023 15:20:45 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 21609
etag: "8f238215bac45056fd59202d5d068ff0"
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=315360000
content-length: 293
x-amz-cf-id: 4StKMShVuZdK4K0L71Uaths0Fhy1hx3AZd87_R5myG00EKKm3eCLXQ==

GET
H2 200 DINNextRoundedLTPro-Bold.woff2
schools-cdn.duolingo.com/fonts/ 29 KB
29 KB 37ms
17ms Font
binary/octet-stream 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://schools-cdn.duolingo.com/fonts/DINNextRoundedLTPro-Bold.woff2
Requested by: Host: schools-cdn.duolingo.com
URL: https://schools-cdn.duolingo.com/app-07f035e8.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: c3a85d4e2cb999d449c07d10be28517b4ff3817f9127debb5c6f7711de1efcd4

Request headers

Referer: https://schools-cdn.duolingo.com/app-07f035e8.css
Origin: https://schools.duolingo.com
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: NFyQTaSXuaqyWxRZnY9kr7m8AhwYcGif
content-encoding: gzip
via: 1.1 c9499008aa7e1acd11e9fbc171281d82.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 03:29:27 GMT
x-amz-cf-pop: FRA56-P4
age: 33758
x-cache: Hit from cloudfront
content-length: 29527
last-modified: Thu, 30 Nov 2023 15:20:44 GMT
server: AmazonS3
etag: "4d5e14e0b446ab5d9e1ccbc91ebef941"
access-control-max-age: 3000
access-control-allow-methods: GET, HEAD
content-type: binary/octet-stream
access-control-allow-origin: https://schools.duolingo.com
cache-control: max-age=315360000
access-control-allow-credentials: true
vary: Origin,Access-Control-Request-Headers,Access-Control-Request-Method
x-amz-cf-id: YpjH-6K_oC73M_PWxMbm5hRHMhg_sj7avlLGq9rt0PWBPPH6LLtFTg==

GET
H2 200 68d22534874c554b0c9ebabea379fc60.woff2
schools-cdn.duolingo.com/vendor/ 25 KB
26 KB 45ms
26ms Font
binary/octet-stream 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://schools-cdn.duolingo.com/vendor/68d22534874c554b0c9ebabea379fc60.woff2
Requested by: Host: schools-cdn.duolingo.com
URL: https://schools-cdn.duolingo.com/vendor-722a939b.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 98577ff1de37744d958394f676f8523d158b1b40fa093344dc2ffcb446b2149d

Request headers

Referer: https://schools-cdn.duolingo.com/vendor-722a939b.css
Origin: https://schools.duolingo.com
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: Em2yfhU8iYgxI6hACkjfQju51QfnQQ0q
content-encoding: gzip
via: 1.1 c9499008aa7e1acd11e9fbc171281d82.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 06:56:13 GMT
x-amz-cf-pop: FRA56-P4
age: 20644
x-cache: Hit from cloudfront
content-length: 25511
last-modified: Thu, 30 Nov 2023 15:20:47 GMT
server: AmazonS3
etag: "0ac60150bf3bd767735a59a6eb136695"
access-control-max-age: 3000
access-control-allow-methods: GET, HEAD
content-type: binary/octet-stream
access-control-allow-origin: https://schools.duolingo.com
cache-control: max-age=315360000
access-control-allow-credentials: true
vary: Origin,Access-Control-Request-Headers,Access-Control-Request-Method
x-amz-cf-id: 4dRU15h6biv25gXI4JAi0o4fDi0vWriTnqSQmfTkWqdgYzdYERQLUg==

GET
H2 200 DINNextRoundedLTPro-Regular.woff2
schools-cdn.duolingo.com/fonts/ 28 KB
29 KB 42ms
23ms Font
binary/octet-stream 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://schools-cdn.duolingo.com/fonts/DINNextRoundedLTPro-Regular.woff2
Requested by: Host: schools-cdn.duolingo.com
URL: https://schools-cdn.duolingo.com/app-07f035e8.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 7c79516b77a39ed17ad76e32e68901b2ad0f9f2ceaf96c2571c8e50fc9b0b15d

Request headers

Referer: https://schools-cdn.duolingo.com/app-07f035e8.css
Origin: https://schools.duolingo.com
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: d4jrYcpH528bVWo4ZMNNRp9JnQyfFlRg
content-encoding: gzip
via: 1.1 c9499008aa7e1acd11e9fbc171281d82.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 07:36:41 GMT
x-amz-cf-pop: FRA56-P4
age: 39023
x-cache: Hit from cloudfront
content-length: 28895
last-modified: Thu, 30 Nov 2023 15:20:45 GMT
server: AmazonS3
etag: "377a95ad813bfe1a82b366310295058f"
access-control-max-age: 3000
access-control-allow-methods: GET, HEAD
content-type: binary/octet-stream
access-control-allow-origin: https://schools.duolingo.com
cache-control: max-age=315360000
access-control-allow-credentials: true
vary: Origin,Access-Control-Request-Headers,Access-Control-Request-Method
x-amz-cf-id: QEDarXlsNlM1JeOvTBnmE1HCzXIcY_cyixhwsVQDBpK2OlZ7dP0uAA==

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
311 B 110ms
110ms XHR
text/plain 3.231.175.109
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: schools-cdn.duolingo.com
URL: https://schools-cdn.duolingo.com/js/vendor-a38edddf.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 3.231.175.109 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-3-231-175-109.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://schools.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36
Content-type: application/json

Response headers

date: Tue, 05 Dec 2023 12:40:16 GMT
accept-encoding: gzip, identity
server: Jetty(9.4.53.v20231009)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain;charset=iso-8859-1
access-control-allow-origin: *
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 34

GET
H2 200 1ac662c38f6077cba917c6f394033e24.svg
schools-cdn.duolingo.com/images/ 15 KB
6 KB 12ms
9ms Image
image/svg+xml 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://schools-cdn.duolingo.com/images/1ac662c38f6077cba917c6f394033e24.svg
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 64244ece7ba210dfc7672bca9fb4bf574c083f302a989262a8c0461a0150dbb1

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: hoyCSynFp8POmQvZc_dtRIiw39mcB1Nc
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 09:01:34 GMT
last-modified: Thu, 09 Nov 2023 15:16:49 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 26169
etag: "c221d7c6f41496859e7a3f2ec93d5b23"
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=315360000
content-length: 5907
x-amz-cf-id: VKpXHdHtY-TgbIcOuyxWmCsGJ3wPWdY0eo1mPJsiygWXHjt2krWvvA==

GET
H2 200 36f6de0980bf7fae7ff7a26d12076932.svg
schools-cdn.duolingo.com/images/ 38 KB
16 KB 13ms
10ms Image
image/svg+xml 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://schools-cdn.duolingo.com/images/36f6de0980bf7fae7ff7a26d12076932.svg
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 67dc76363c07f1654559671c2aafb5a951fa14c066ef15e85e8230c88c7154a4

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: wy5GC25VZ3iTtrtaxOGADZ9PcPqbSJnf
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 05:19:03 GMT
last-modified: Thu, 09 Nov 2023 15:16:49 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 27276
etag: "c80737203b4e32710eaede2c11940382"
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=315360000
content-length: 16277
x-amz-cf-id: OcVU-rOZyDHWV-Bel8GPQBtJqmEMX84OeFOZToyzux4o45-TE1sbTA==

GET
H2 200 4554d68c1e5f798620f380335bf7d0d4.svg
schools-cdn.duolingo.com/images/splash/ 317 KB
101 KB 24ms
21ms Image
image/svg+xml 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://schools-cdn.duolingo.com/images/splash/4554d68c1e5f798620f380335bf7d0d4.svg
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: ed1495dbd719b6b35ed422cf1abf1fb324990d512843c4d186671420fb72e9ba

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: YbGXL6jp652.faM8Bplz2M4myGDUf8nl
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 06:40:27 GMT
last-modified: Thu, 09 Nov 2023 15:16:50 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 24279
etag: "0b4e7614fc74db43802cf64e67f251d1"
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=315360000
content-length: 102651
x-amz-cf-id: qeayax6NwvuBfFZQqBOlvCeObFqVIfOBeoHkv5Vv2ONQPdaie98AgA==

GET
H2 200 dd8ad0669c3388876d3fecd4407c2a55.svg
schools-cdn.duolingo.com/images/splash/ 360 KB
112 KB 14ms
11ms Image
image/svg+xml 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://schools-cdn.duolingo.com/images/splash/dd8ad0669c3388876d3fecd4407c2a55.svg
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 9f3570229dabb89008ad6924eb9a9bcc53082b33b167a4fe32bc6a2fc407d114

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: Cw6pfLUAgSjAGSjdcviWe9nmG4AwAAzT
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Mon, 04 Dec 2023 21:59:31 GMT
last-modified: Thu, 09 Nov 2023 15:16:50 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 53375
etag: "0e2bcb4b6ce2cb80182d2a6e0d3624a3"
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=315360000
content-length: 114439
x-amz-cf-id: RqhfIVHju4fWL-NPo9VDJ6h-clgpStq5DVZEreLcG_HDvFIoPOPggQ==

GET
H2 200 8e600ee309c20d2e4efa1964b52ec2f5.svg
schools-cdn.duolingo.com/images/splash/ 320 KB
99 KB 17ms
14ms Image
image/svg+xml 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://schools-cdn.duolingo.com/images/splash/8e600ee309c20d2e4efa1964b52ec2f5.svg
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 29de172789ce36b64cefeb010e38c6b8fa39e43bde3a91a3e0cd719f4bcc85ed

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: QCRr0yrn5EPWclibQMnlioYd3d6084l1
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 03:29:27 GMT
last-modified: Thu, 09 Nov 2023 15:16:50 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 33104
etag: "070f6658b0fa7ba92924a8dad3b71843"
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=315360000
content-length: 100633
x-amz-cf-id: AGIZmTMwS_E1nUyCGh7B5jVoezic5v1JpmEl3Y3pU-oDA0hM1lFDvw==

GET
H2 200 b0b188089a2cb5d0359e6ec93f69f73d.png
schools-cdn.duolingo.com/images/splash/teachers/ 14 KB
15 KB 20ms
17ms Image
image/png 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://schools-cdn.duolingo.com/images/splash/teachers/b0b188089a2cb5d0359e6ec93f69f73d.png
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 6772d89c9893e7123ba1656dc76080b386bd3934f168a20b0842834bb41a36d5

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: GC9vI8HemxoYR8IJZwipPPILuPb1BcOZ
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 08:48:54 GMT
last-modified: Thu, 09 Nov 2023 15:16:50 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 14067
etag: "5cf7b39cb66db8bb9b82281328a3def1"
x-cache: Hit from cloudfront
content-type: image/png
cache-control: max-age=315360000
content-length: 14451
x-amz-cf-id: dBhYn9r7QCDy4kSVS8UAndaUDeQdkloQQ9KnfwjrIPARvMqSLsXkHA==

GET
H2 200 715431d94c9be726440306cde1f85962.svg
schools-cdn.duolingo.com/images/splash/teachers/ 10 KB
4 KB 19ms
17ms Image
image/svg+xml 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://schools-cdn.duolingo.com/images/splash/teachers/715431d94c9be726440306cde1f85962.svg
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 3abbec5fe1a85813938589b05457b2c126680782f1d2b1977fe1ae8f8757ea5e

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: lV4CPoNc1HwfoF3Nkc5YqAttpwvUS4p9
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 06:40:27 GMT
last-modified: Thu, 09 Nov 2023 15:16:50 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 37302
etag: "2a746f36ab5f7e3bce57e51ef01843a0"
x-cache: Hit from cloudfront
content-type: image/svg+xml
cache-control: max-age=315360000
content-length: 3768
x-amz-cf-id: e3lHXqO7gitg7wF-llpvykVNxfNncVOtEGRB1M4ska-DOyjlSkZu4g==

GET
H2 200 c8176efe55f271f1874e5e239c2a686e.png
schools-cdn.duolingo.com/images/splash/teachers/ 12 KB
12 KB 21ms
19ms Image
image/png 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://schools-cdn.duolingo.com/images/splash/teachers/c8176efe55f271f1874e5e239c2a686e.png
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: bba95fdd1d08d4f62566a84e5eff3c22503b20452398b07be88bf07c8039bfe4

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: XJeWZ7KbQu39x2nKa11MI1aQ4Mp_kfMv
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 06:40:27 GMT
last-modified: Thu, 09 Nov 2023 15:16:50 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 22719
etag: "58cd11e53e88d2b3efce0caa43bf2516"
x-cache: Hit from cloudfront
content-type: image/png
cache-control: max-age=315360000
content-length: 12194
x-amz-cf-id: cJR8ZITzM4l6bYwISaoqGaDjt-qucpZf6ajmN45kQ7prvPFcq0T0Hw==

GET
H2 200 b2a7ea08f9ec09a4491ea3f471aec904.png
schools-cdn.duolingo.com/images/splash/teachers/ 13 KB
14 KB 21ms
19ms Image
image/png 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://schools-cdn.duolingo.com/images/splash/teachers/b2a7ea08f9ec09a4491ea3f471aec904.png
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 65a72ac48c4e711e0aad0c5b4ceff325db11b88e8272162da81b48c7aa8058d7

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: YzasdC4ttcaxb9XRtr4CPMptSmeOqm0C
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 08:17:21 GMT
last-modified: Thu, 09 Nov 2023 15:16:50 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 16080
etag: "91e9f9e4b7af267f8fc236e420c3974e"
x-cache: Hit from cloudfront
content-type: image/png
cache-control: max-age=315360000
content-length: 13660
x-amz-cf-id: A4hB0T5-JtCL8LgXMpR1hA1KPOmmnfOi8oATwBg54P_jCyFtGBSbWQ==

GET
H2 200 91df9aca9db7e77f8e3fada5fd9da9fb.png
schools-cdn.duolingo.com/images/splash/ 36 KB
36 KB 22ms
20ms Image
image/png 52.222.236.5
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://schools-cdn.duolingo.com/images/splash/91df9aca9db7e77f8e3fada5fd9da9fb.png
Requested by: Host: schools.duolingo.com
URL: https://schools.duolingo.com/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 52.222.236.5 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-52-222-236-5.fra56.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 2a4f62948223302984168b11bfe94d89acaacd211eb26e955bcc795d3bd596a4

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-amz-version-id: 4.HtDdyZuZ.o1t3Nr6JAqsR4uXej3xw2
content-encoding: gzip
via: 1.1 30e954298424aa69c035e25834574742.cloudfront.net (CloudFront)
date: Tue, 05 Dec 2023 06:10:57 GMT
last-modified: Thu, 09 Nov 2023 15:16:50 GMT
server: AmazonS3
x-amz-cf-pop: FRA56-P4
age: 23566
etag: "40d0f1526e5f1b31258c2c183a969dc3"
x-cache: Hit from cloudfront
content-type: image/png
cache-control: max-age=315360000
content-length: 36463
x-amz-cf-id: g_AODATtwX6uelLV-4tyeuzbhHHn0fjbazXpNIN0XyJ7qIpfEdFQnw==

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
311 B 116ms
116ms XHR
text/plain 3.231.175.109
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: schools-cdn.duolingo.com
URL: https://schools-cdn.duolingo.com/js/vendor-a38edddf.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 3.231.175.109 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-3-231-175-109.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://schools.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36
Content-type: application/json

Response headers

date: Tue, 05 Dec 2023 12:40:16 GMT
accept-encoding: gzip, identity
server: Jetty(9.4.53.v20231009)
access-control-max-age: 3600
access-control-allow-methods: POST, GET, OPTIONS
content-type: text/plain;charset=iso-8859-1
access-control-allow-origin: *
access-control-allow-headers: Content-Type, Access-Control-Allow-Headers, Authorization
content-length: 34

GET
H2 200 config Show response
www.duolingo.com/2017-06-30/ 66 B
485 B 314ms
99ms XHR
application/json 54.156.193.235
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL

https://www.duolingo.com/2017-06-30/config?fields=ageRestrictionLimit,clientExperiments%7B%7D,ipCountry&_=1701780016067

Requested by

Host: schools-cdn.duolingo.com
URL: https://schools-cdn.duolingo.com/js/vendor-a38edddf.js

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-54-156-193-235.compute-1.amazonaws.com

Software

duo-api /

Resource Hash

f603df9cc17decf8b489ec281afd9e65de412d66cfe15b42a43f24660400176f

Security Headers

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

Request headers

Accept: application/json
Referer: https://schools.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 12:40:16 GMT
x-content-type-options: nosniff
x-duo-request-host: www.duolingo.com
x-envoy-upstream-service-time: 2
content-length: 66
x-xss-protection: 1 ; mode=block
pragma: no-cache
referrer-policy: no-referrer
server: duo-api
vary: Origin,Access-Control-Request-Method,Access-Control-Request-Headers
x-frame-options: DENY
content-type: application/json
access-control-allow-origin: https://schools.duolingo.com
cache-control: no-cache, no-store, max-age=0, must-revalidate
access-control-allow-credentials: true
expires: 0

GET
H2 200 www-player.css
www.youtube.com/s/player/31e0b6d9/ Frame 9A77 378 KB
48 KB 9ms
8ms Stylesheet
text/css 2a00:1450:4001:80e::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.youtube.com/s/player/31e0b6d9/www-player.css

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

sffe /

Resource Hash

436743ad0889ad9399a1f33edb65d8bf1c71cfbce1b0fce549769e7705c9ceec

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 11:56:08 GMT
content-encoding: br
x-content-type-options: nosniff
age: 2648
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 48920
x-xss-protection: 0
last-modified: Thu, 30 Nov 2023 03:10:29 GMT
server: sffe
vary: Accept-Encoding, Origin
report-to: {"group":"youtube","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube"}]}
content-type: text/css
cache-control: public, max-age=31536000
accept-ranges: bytes
cross-origin-opener-policy-report-only: same-origin; report-to="youtube"
expires: Wed, 04 Dec 2024 11:56:08 GMT

GET
H2 200 embed.js Show response
www.youtube.com/s/player/31e0b6d9/player_ias.vflset/de_DE/ Frame 9A77 52 KB
16 KB 13ms
12ms Script
text/javascript 2a00:1450:4001:80e::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.youtube.com/s/player/31e0b6d9/player_ias.vflset/de_DE/embed.js

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

sffe /

Resource Hash

45ea1febaa3bfa8f5c4711c1ed96c1971654f98d5bcc5cf69d90a555f79a0c9e

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 11:45:57 GMT
content-encoding: br
x-content-type-options: nosniff
age: 3259
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 16591
x-xss-protection: 0
last-modified: Thu, 30 Nov 2023 03:10:29 GMT
server: sffe
vary: Accept-Encoding, Origin
report-to: {"group":"youtube","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube"}]}
content-type: text/javascript
cache-control: public, max-age=31536000
accept-ranges: bytes
cross-origin-opener-policy-report-only: same-origin; report-to="youtube"
expires: Wed, 04 Dec 2024 11:45:57 GMT

GET
H2 200 www-embed-player.js Show response
www.youtube.com/s/player/31e0b6d9/www-embed-player.vflset/ Frame 9A77 321 KB
96 KB 15ms
14ms Script
text/javascript 2a00:1450:4001:80e::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.youtube.com/s/player/31e0b6d9/www-embed-player.vflset/www-embed-player.js

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

sffe /

Resource Hash

4d453a47ad0d1b30a7292b6f712d8645db141ed6adea69b8e7d802f8022365fd

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 10:17:14 GMT
content-encoding: br
x-content-type-options: nosniff
age: 8582
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 98499
x-xss-protection: 0
last-modified: Thu, 30 Nov 2023 03:10:29 GMT
server: sffe
vary: Accept-Encoding, Origin
report-to: {"group":"youtube","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube"}]}
content-type: text/javascript
cache-control: public, max-age=31536000
accept-ranges: bytes
cross-origin-opener-policy-report-only: same-origin; report-to="youtube"
expires: Wed, 04 Dec 2024 10:17:14 GMT

GET
H2 200 base.js Show response
www.youtube.com/s/player/31e0b6d9/player_ias.vflset/de_DE/ Frame 9A77 2 MB
2 MB 17ms
16ms Script
text/javascript 2a00:1450:4001:80e::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.youtube.com/s/player/31e0b6d9/player_ias.vflset/de_DE/base.js

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

sffe /

Resource Hash

4c6329a84811954311b5424bbab6ac2dcc70441841a9b1fd441e3315cf540a2e

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Thu, 30 Nov 2023 04:32:16 GMT
x-content-type-options: nosniff
age: 461280
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 2469974
x-xss-protection: 0
last-modified: Thu, 30 Nov 2023 03:10:29 GMT
server: sffe
vary: Accept-Encoding, Origin
report-to: {"group":"youtube","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube"}]}
content-type: text/javascript
cache-control: public, max-age=31536000
accept-ranges: bytes
cross-origin-opener-policy-report-only: same-origin; report-to="youtube"
expires: Fri, 29 Nov 2024 04:32:16 GMT

GET
H2 200 KFOmCnqEu92Fr1Mu4mxK.woff2
fonts.gstatic.com/s/roboto/v18/ Frame 9A77 15 KB
15 KB 41ms
14ms Font
font/woff2 2a00:1450:4001:80b::2003
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxK.woff2

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

sffe /

Resource Hash

3e253b66056519aa065b00a453bac37ac5ed8f3e6fe7b542e93a9dcdcc11d0bc

Security Headers

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

Request headers

Referer: https://www.youtube.com/
Origin: https://www.youtube.com
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Mon, 04 Dec 2023 22:43:11 GMT
x-content-type-options: nosniff
age: 50225
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 15344
x-xss-protection: 0
last-modified: Mon, 16 Oct 2017 17:32:55 GMT
server: sffe
cross-origin-opener-policy: same-origin; report-to="apps-themes"
report-to: {"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type: font/woff2
access-control-allow-origin: *
cache-control: public, max-age=31536000
accept-ranges: bytes
timing-allow-origin: *
expires: Tue, 03 Dec 2024 22:43:11 GMT

GET
H2 200 KFOlCnqEu92Fr1MmEU9fBBc4.woff2
fonts.gstatic.com/s/roboto/v18/ Frame 9A77 15 KB
16 KB 39ms
13ms Font
font/woff2 2a00:1450:4001:80b::2003
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmEU9fBBc4.woff2

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

sffe /

Resource Hash

5a8c1e7681318caa29e9f44e8a6e271f6a4067a2703e9916dfd4fe9099241db7

Security Headers

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

Request headers

Referer: https://www.youtube.com/
Origin: https://www.youtube.com
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 07:56:17 GMT
x-content-type-options: nosniff
age: 17039
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 15552
x-xss-protection: 0
last-modified: Mon, 16 Oct 2017 17:33:02 GMT
server: sffe
cross-origin-opener-policy: same-origin; report-to="apps-themes"
report-to: {"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type: font/woff2
access-control-allow-origin: *
cache-control: public, max-age=31536000
accept-ranges: bytes
timing-allow-origin: *
expires: Wed, 04 Dec 2024 07:56:17 GMT

POST
H2 204 collect
region1.google-analytics.com/g/ 0
248 B 42ms
14ms Ping
text/plain 2001:4860:4802:32::36
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL: https://region1.google-analytics.com/g/collect?v=2&tid=G-K7B90B1WR0&gtm=45je3bt0v870708709z8843402430&_p=1701780015593&gcd=11l1l1l1l1&dma_cps=sypham&dma=1&cid=157972443.1701780016&ul=en-us&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&_s=1&sid=1701780016&sct=1&seg=0&dl=https%3A%2F%2Fschools.duolingo.com%2F&dt=Duolingo%20for%20Schools&en=page_view&_fv=1&_nsi=1&_ss=1&ep.location=https%3A%2F%2Fschools.duolingo.com%2F&ep.path=%2F&tfd=1247
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-K7B90B1WR0&l=dataLayer&cx=c
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

pragma: no-cache
date: Tue, 05 Dec 2023 12:40:16 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://schools.duolingo.com
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 json Show response
trc.taboola.com/1382618/trc/3/ 3 KB
2 KB 37ms
26ms Script
application/javascript 151.101.1.44
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL: https://trc.taboola.com/1382618/trc/3/json?tim=1701780016267&data=%7B%22id%22%3A669%2C%22ii%22%3A%22%2F%22%2C%22it%22%3A%22video%22%2C%22sd%22%3Anull%2C%22ui%22%3Anull%2C%22vi%22%3A1701780016261%2C%22cv%22%3A%2220231130-4-RELEASE%22%2C%22uiv%22%3A%22default%22%2C%22u%22%3A%22https%3A%2F%2Fschools.duolingo.com%2F%3F%22%2C%22e%22%3Anull%2C%22cb%22%3A%22TFASC.trkCallback%22%2C%22qs%22%3A%22%22%2C%22r%22%3A%5B%7B%22li%22%3A%22rbox-tracking%22%2C%22s%22%3A0%2C%22uim%22%3A%22rbox-tracking%3Apub%3Dduolingo-sc%3Aabp%3D0%22%2C%22uip%22%3A%22rbox-tracking%22%2C%22orig_uip%22%3A%22rbox-tracking%22%7D%5D%2C%22mpvd%22%3A%7B%22en%22%3A%22page_view%22%2C%22tim%22%3A1701780016266%2C%22ref%22%3Anull%2C%22item-url%22%3A%22https%3A%2F%2Fschools.duolingo.com%2F%22%2C%22tos%22%3A1%2C%22ssd%22%3A1%2C%22scd%22%3A0%2C%22supv%22%3Atrue%7D%7D&pubit=i
Requested by: Host: cdn.taboola.com
URL: https://cdn.taboola.com/libtrc/unip/1382618/tfa.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 151.101.1.44 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software: nginx /
Resource Hash: 4b4195e639d9b73623af99ccfb1728cf795283955415e328e6129b7d53bf9ecb

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-vcl-time-ms: 17
date: Tue, 05 Dec 2023 12:40:16 GMT
content-encoding: gzip
via: 1.1 varnish
cpu: 0.479375
x-fastly-to-nlb-rtt: 7482
x-cache: MISS
p3p: policyref="http://trc.taboola.com/p3p.xml", CP="NOI DSP COR LAW NID CURa ADMa DEVa PSAa PSDa OUR BUS IND UNI COM NAV INT DEM"
x-service-version: v2
x-served-by: cache-fra-etou8220056-FRA
x-log-content-encoding: gzip
server: nginx
x-timer: S1701780016.281298,VS0,VE17
vary: Accept-Encoding
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
access-control-allow-credentials: true
accept-ranges: bytes
x-cache-hits: 0

POST
H2 200 collect Show response
www.google-analytics.com/j/ 15 B
224 B 15ms
14ms XHR
text/plain 2a00:1450:4001:828::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google-analytics.com/j/collect?v=1&_v=j101&a=1316314099&t=pageview&_s=1&dl=https%3A%2F%2Fschools.duolingo.com%2F&ul=en-us&de=UTF-8&dt=Duolingo%20for%20Schools&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&cn=&cs=&cm=&ck=&cc=&_u=YADAAEABAAAAACAAI~&jid=2126525093&gjid=1756724911&cid=157972443.1701780016&tid=UA-21595814-23&_gid=1660074612.1701780016&_r=1&_slc=1&gtm=45He3bt0n81NXRLZVSv843402430&gcd=11l1l1l1l1&dma_cps=sypham&dma=1&z=2037371320

Requested by

Host: schools-cdn.duolingo.com
URL: https://schools-cdn.duolingo.com/js/vendor-a38edddf.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:828::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

7a1befaeed61fb0de6bcd859332725c7c7e003bea74c993ba2b6776c1ad49431

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://schools.duolingo.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
date: Tue, 05 Dec 2023 12:40:16 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://schools.duolingo.com
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 15
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 346194133504534 Show response
connect.facebook.net/signals/config/ 133 KB
35 KB 9ms
9ms Script
application/x-javascript 2a03:2880:f083:100:face:b00c:0:3
FACEBOOK

General

Check archive.org

Show headers Download Go to

Full URL

https://connect.facebook.net/signals/config/346194133504534?v=2.9.138&r=stable&domain=schools.duolingo.com

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:f083:100:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),

Reverse DNS

Software

Resource Hash

829202e434d3e242f359b8e905e7acdb9f2bf46c92e6723fe3d8cba904c06796

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

permissions-policy-report-only: autoplay=(), clipboard-read=(), clipboard-write=(), display-capture=(), document-domain=(), encrypted-media=(), fullscreen=(), gamepad=(), keyboard-map=(), otp-credentials=(), picture-in-picture=(), xr-spatial-tracking=()
content-security-policy: default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net wss://*.fbcdn.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c&minimize=0;require-trusted-types-for 'script';
content-encoding: gzip
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; preload; includeSubDomains
date: Tue, 05 Dec 2023 12:40:16 GMT
document-policy: force-load-at-top
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
content-length: 35443
x-xss-protection: 0
reporting-endpoints: coep_report="https://www.facebook.com/browser_reporting/?minimize=0"
pragma: public
x-fb-debug: vuXWtjc7nh1gLrldtGoBLSAIkHS9HxAh50kfH7SbZdax9386l0uSbXV1PO2w5mp1NLKtxOn5xtG2IjcOy8lh5g==
cross-origin-embedder-policy-report-only: require-corp;report-to="coep_report"
cross-origin-opener-policy: same-origin-allow-popups
vary: Accept-Encoding
report-to: {"max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/?minimize=0"}],"group":"coep_report"}
content-type: application/x-javascript; charset=utf-8
x-frame-options: DENY
origin-agent-cluster: ?0
cache-control: public, max-age=1200
permissions-policy: accelerometer=(), ambient-light-sensor=(), bluetooth=(), camera=(), geolocation=(), gyroscope=(), hid=(), idle-detection=(), local-fonts=(), magnetometer=(), microphone=(), midi=(), payment=(), publickey-credentials-get=(), screen-wake-lock=(), serial=(), usb=(), window-management=()
timing-allow-origin: *
expires: Sat, 01 Jan 2000 00:00:00 GMT

GET
H3 200 iframe_api Show response
www.youtube.com/ 993 B
519 B 33ms
32ms Script
text/javascript 2a00:1450:4001:80e::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.youtube.com/iframe_api

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-K7B90B1WR0&l=dataLayer&cx=c

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

Software

ESF /

Resource Hash

a63f486f5b05184dc0708669c9c1823de00295dd74b090557b77268118ecc0dd

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 12:40:16 GMT
strict-transport-security: max-age=31536000
x-content-type-options: nosniff
content-encoding: br
p3p: CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657?hl=de for more info."
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection: 0
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factor, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
server: ESF
x-frame-options: SAMEORIGIN
vary: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factor, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
content-type: text/javascript; charset=utf-8
report-to: {"group":"youtube_main","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube_main"}]}
cache-control: private, max-age=0
origin-trial: AvC9UlR6RDk2crliDsFl66RWLnTbHrDbp+DiY6AYz/PNQ4G4tdUTjrHYr2sghbkhGQAVxb7jaPTHpEVBz0uzQwkAAAB4eyJvcmlnaW4iOiJodHRwczovL3lvdXR1YmUuY29tOjQ0MyIsImZlYXR1cmUiOiJXZWJWaWV3WFJlcXVlc3RlZFdpdGhEZXByZWNhdGlvbiIsImV4cGlyeSI6MTcxOTUzMjc5OSwiaXNTdWJkb21haW4iOnRydWV9
permissions-policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factor=*, ch-ua-platform=*, ch-ua-platform-version=*
cross-origin-opener-policy-report-only: same-origin; report-to="youtube_main"
expires: Tue, 05 Dec 2023 12:40:16 GMT

GET
H3 200 js Show response
www.googletagmanager.com/gtag/ 240 KB
84 KB 28ms
28ms Script
application/javascript 2a00:1450:4001:830::2008
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googletagmanager.com/gtag/js?id=G-3GRE5C5BP0&cx=c&_slc=1

Requested by

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

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:830::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

e2be6e7b7e0d44c3add5e311bad8ce6070658d9e7fbec0a2e74928f34a976d0e

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 12:40:16 GMT
content-encoding: br
strict-transport-security: max-age=31536000; includeSubDomains
server: Google Tag Manager
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
access-control-allow-origin: *
cache-control: private, max-age=900
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
access-control-allow-headers: Cache-Control
content-length: 85575
x-xss-protection: 0
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires: Tue, 05 Dec 2023 12:40:16 GMT

GET
H2 200 /
www.facebook.com/tr/ 0
185 B 26ms
10ms Image
text/plain 2a03:2880:f176:84:face:b00c:0:25de
FACEBOOK

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.facebook.com/tr/?id=346194133504534&ev=PageView&dl=https%3A%2F%2Fschools.duolingo.com%2F&rl=&if=false&ts=1701780016339&sw=1600&sh=1200&v=2.9.138&r=stable&ec=0&o=4126&fbp=fb.1.1701780016337.859904088&ler=empty&it=1701780016293&coo=false&rqm=GET

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a03:2880:f176:84:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),

Reverse DNS

Software

proxygen-bolt /

Resource Hash

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

strict-transport-security: max-age=31536000; includeSubDomains
date: Tue, 05 Dec 2023 12:40:16 GMT
server: proxygen-bolt
content-type: text/plain
access-control-allow-origin
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
content-length: 0

GET
H3 200 www-widgetapi.js Show response
www.youtube.com/s/player/31e0b6d9/www-widgetapi.vflset/ 215 KB
67 KB 11ms
11ms Script
text/javascript 2a00:1450:4001:80e::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.youtube.com/s/player/31e0b6d9/www-widgetapi.vflset/www-widgetapi.js

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/iframe_api

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

Software

sffe /

Resource Hash

8f7d6f6139d786232c30733c242672145a2ed59e41423520f4dc4dc611e2bd8c

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 12:19:29 GMT
content-encoding: br
x-content-type-options: nosniff
age: 1247
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 68329
x-xss-protection: 0
last-modified: Thu, 30 Nov 2023 03:10:29 GMT
server: sffe
vary: Accept-Encoding, Origin
report-to: {"group":"youtube","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube"}]}
content-type: text/javascript
cache-control: public, max-age=31536000
accept-ranges: bytes
cross-origin-opener-policy-report-only: same-origin; report-to="youtube"
expires: Wed, 04 Dec 2024 12:19:29 GMT

POST
H2 204 collect
region1.google-analytics.com/g/ 0
54 B 14ms
14ms Ping
text/plain 2001:4860:4802:32::36
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL: https://region1.google-analytics.com/g/collect?v=2&tid=G-3GRE5C5BP0&gtm=45je3bt0v9126227455&_p=1701780015593&gcd=11l1l1l1l2&dma_cps=sypham&dma=1&ul=en-us&sr=1600x1200&cid=157972443.1701780016&ir=1&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&_eu=EBAI&_s=1&dl=https%3A%2F%2Fschools.duolingo.com%2F&dt=Duolingo%20for%20Schools&sid=1701780016&sct=1&seg=0&en=page_view&_fv=1&_ss=1&_ee=1&tfd=1389
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-3GRE5C5BP0&cx=c&_slc=1
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

pragma: no-cache
date: Tue, 05 Dec 2023 12:40:16 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://schools.duolingo.com
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2

200

id Show response
googleads.g.doubleclick.net/pagead/ Frame 9A77
Redirect Chain

https://googleads.g.doubleclick.net/pagead/id
https://googleads.g.doubleclick.net/pagead/id?slf_rd=1

100 B
242 B

15ms
15ms

XHR
application/json

2a00:1450:4001:82b::2002
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://googleads.g.doubleclick.net/pagead/id?slf_rd=1

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com

Protocol

Server

2a00:1450:4001:82b::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

22016cad8fc9b1337bb161dec5c35abe9c629c601241d3e1600b26f9d36f2d8f

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.youtube.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 12:40:16 GMT
content-encoding: gzip
x-content-type-options: nosniff
p3p: policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
cross-origin-resource-policy: cross-origin
content-disposition: attachment; filename="f.txt"
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 120
x-xss-protection: 0
pragma: no-cache
server: cafe
content-type: application/json; charset=UTF-8
access-control-allow-origin: https://www.youtube.com
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
timing-allow-origin: *
expires: Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

date: Tue, 05 Dec 2023 12:40:16 GMT
x-content-type-options: nosniff
p3p: policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0
x-xss-protection: 0
pragma: no-cache
server: cafe
content-type: text/html; charset=UTF-8
location: https://googleads.g.doubleclick.net/pagead/id?slf_rd=1
access-control-allow-origin: https://www.youtube.com
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
timing-allow-origin: *
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 ad_status.js Show response
static.doubleclick.net/instream/ Frame 9A77 29 B
495 B 28ms
7ms Script
text/javascript 2a00:1450:4001:813::2006
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://static.doubleclick.net/instream/ad_status.js

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/s/player/31e0b6d9/www-embed-player.vflset/www-embed-player.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:813::2006 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

eed0dc1fdb5d97ed188ae16fd5e1024a5bb744af47340346be2146300a6c54b9

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.youtube.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 12:34:51 GMT
x-content-type-options: nosniff
age: 325
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 29
x-xss-protection: 0
last-modified: Thu, 12 Dec 2013 23:40:16 GMT
server: sffe
report-to: {"group":"ads-doubleclick-media","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/ads-doubleclick-media"}]}
content-type: text/javascript
access-control-allow-origin: *
cache-control: public, max-age=900
accept-ranges: bytes
timing-allow-origin: *
cross-origin-opener-policy-report-only: same-origin; report-to="ads-doubleclick-media"
expires: Tue, 05 Dec 2023 12:49:51 GMT

OPTIONS
H2 200 Create
jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/ Frame 0
0 38ms
15ms Preflight
text/html 2a00:1450:4001:803::200a
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/Create

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:803::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

Security Headers

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

Request headers

Accept: */*
Access-Control-Request-Headers: content-type,x-goog-api-key,x-user-agent
Access-Control-Request-Method: POST
Origin: https://www.youtube.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

access-control-allow-credentials: true
access-control-allow-headers: content-type,x-goog-api-key,x-user-agent
access-control-allow-methods: DELETE,GET,HEAD,OPTIONS,PATCH,POST,PUT
access-control-allow-origin: https://www.youtube.com
access-control-max-age: 3600
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0
content-type: text/html
date: Tue, 05 Dec 2023 12:40:16 GMT
server: ESF
vary: origin referer x-origin
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
x-xss-protection: 0

POST
H2 200 Create Show response
jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/ Frame 9A77 70 KB
32 KB 22ms
19ms XHR
application/json+protobuf 2a00:1450:4001:803::200a
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/Create

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/s/player/31e0b6d9/player_ias.vflset/de_DE/base.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:803::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

26fb7944a3e9101604b4eb9bb81f1c52fcb45d5968572d26d267b29d2ba3c48f

Security Headers

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

Request headers

X-User-Agent: grpc-web-javascript/0.1
Referer: https://www.youtube.com/
X-Goog-Api-Key: AIzaSyDyT5W0Jh49F30Pqqtyfdf7pDLFKLJoAnw
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36
Content-Type: application/json+protobuf

Response headers

date: Tue, 05 Dec 2023 12:40:16 GMT
content-encoding: gzip
x-content-type-options: nosniff
server: ESF
vary: Origin, X-Origin, Referer
x-frame-options: SAMEORIGIN
content-type: application/json+protobuf; charset=UTF-8
access-control-allow-origin: https://www.youtube.com
access-control-expose-headers: vary,vary,vary,content-encoding,date,server,content-length
cache-control: private
access-control-allow-credentials: true
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 32534
x-xss-protection: 0

GET
H3 200 remote.js Show response
www.youtube.com/s/player/31e0b6d9/player_ias.vflset/de_DE/ Frame 9A77 116 KB
33 KB 8ms
8ms Script
text/javascript 2a00:1450:4001:80e::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.youtube.com/s/player/31e0b6d9/player_ias.vflset/de_DE/remote.js

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/s/player/31e0b6d9/player_ias.vflset/de_DE/base.js

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

Software

sffe /

Resource Hash

a80bd413f7dd15ff49d22ce8b5e99be2cea10ad2021f6408949ccf4d0a49191f

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Mon, 04 Dec 2023 21:47:34 GMT
content-encoding: br
x-content-type-options: nosniff
age: 53562
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 33684
x-xss-protection: 0
last-modified: Thu, 30 Nov 2023 03:10:29 GMT
server: sffe
vary: Accept-Encoding, Origin
report-to: {"group":"youtube","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube"}]}
content-type: text/javascript
cache-control: public, max-age=31536000
accept-ranges: bytes
cross-origin-opener-policy-report-only: same-origin; report-to="youtube"
expires: Tue, 03 Dec 2024 21:47:34 GMT

GET
H2 200 hozbaArpAcEtb7ltfJysqAapnffmHDhQfzgy1UI8b00.js Show response
www.google.com/js/th/ Frame 9A77 39 KB
15 KB 31ms
7ms Script
text/javascript 2a00:1450:4001:827::2004
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google.com/js/th/hozbaArpAcEtb7ltfJysqAapnffmHDhQfzgy1UI8b00.js

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/s/player/31e0b6d9/player_ias.vflset/de_DE/base.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:827::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

868cdb680ae901c12d6fb96d7c9caca806a99df7e61c38507f3832d5423c6f4d

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.youtube.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Mon, 04 Dec 2023 18:31:35 GMT
content-encoding: br
x-content-type-options: nosniff
age: 65321
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/botguard-scs
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 15147
x-xss-protection: 0
last-modified: Mon, 06 Nov 2023 17:00:00 GMT
server: sffe
cross-origin-opener-policy: same-origin; report-to="botguard-scs"
vary: Accept-Encoding
report-to: {"group":"botguard-scs","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/botguard-scs"}]}
content-type: text/javascript
cache-control: public, max-age=31536000
accept-ranges: bytes
expires: Tue, 03 Dec 2024 18:31:35 GMT

GET
H2 200 sddefault.jpg
i.ytimg.com/vi/E6hadnnW-JE/ Frame 9A77 22 KB
22 KB 46ms
7ms Image
image/jpeg 2a00:1450:4001:827::2016
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://i.ytimg.com/vi/E6hadnnW-JE/sddefault.jpg?sqp=-oaymwEmCIAFEOAD8quKqQMa8AEB-AHUBoAC4AOKAgwIABABGDggUih_MA8=&rs=AOn4CLBHsDEoKwgkIVkBGEy0mjVaQthm4A

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:827::2016 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

27b888cf1e4e18ca94edda76db1647aeb41ca14240df409019c981f12b244dcc

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.youtube.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 12:13:05 GMT
x-content-type-options: nosniff
age: 1631
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 22104
x-xss-protection: 0
server: sffe
etag: "0"
vary: Origin
report-to: {"group":"youtube","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube"}]}
content-type: image/jpeg
cache-control: public, max-age=7200
accept-ranges: bytes
timing-allow-origin: *
cross-origin-opener-policy-report-only: same-origin; report-to="youtube"
expires: Tue, 05 Dec 2023 14:13:05 GMT

GET
DATA 200
OK truncated
/ Frame 9A77 175 B
0 Image
image/png

General

Check archive.org

Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 67ea46bc3d15351067faccb3613bd833dd3f15137a4b4a09f2e873fd41d024d2

Request headers

accept-language: de-DE,de;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

Content-Type: image/png

GET
H2 200 APkrFKZ8xb1fODLei4UsfHHQOv8snoAypggwaM6cwgtNoQ=s68-c-k-c0x00ffffff-no-rj
yt3.ggpht.com/ytc/ Frame 9A77 3 KB
3 KB 38ms
8ms Image
image/jpeg 2a00:1450:4001:830::2001
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://yt3.ggpht.com/ytc/APkrFKZ8xb1fODLei4UsfHHQOv8snoAypggwaM6cwgtNoQ=s68-c-k-c0x00ffffff-no-rj

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:830::2001 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

fife /

Resource Hash

02f63e9ededd3e1550b0a3099001c931367f49fce5fab106c4a1921b4325eb4e

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.youtube.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 09:23:55 GMT
x-content-type-options: nosniff
age: 11781
content-disposition: inline;filename="unnamed.jpg"
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 2621
x-xss-protection: 0
server: fife
etag: "v2511"
vary: Origin
content-type: image/jpeg
access-control-allow-origin: *
access-control-expose-headers: Content-Length
cache-control: public, max-age=86400, no-transform
timing-allow-origin: *
expires: Wed, 06 Dec 2023 09:23:55 GMT

POST
H3 200 GenerateIT Show response
jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/ Frame 9A77 90 B
134 B 20ms
20ms XHR
application/json+protobuf 2a00:1450:4001:803::200a
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/GenerateIT

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/s/player/31e0b6d9/player_ias.vflset/de_DE/base.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:803::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

79cf7f8e5700f5f1fef64672cce720c38cf8ce0e98daf41f91381a154c7a3e1b

Security Headers

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

Request headers

X-User-Agent: grpc-web-javascript/0.1
Referer: https://www.youtube.com/
X-Goog-Api-Key: AIzaSyDyT5W0Jh49F30Pqqtyfdf7pDLFKLJoAnw
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36
Content-Type: application/json+protobuf

Response headers

date: Tue, 05 Dec 2023 12:40:16 GMT
content-encoding: gzip
x-content-type-options: nosniff
server: ESF
vary: Origin, X-Origin, Referer
x-frame-options: SAMEORIGIN
content-type: application/json+protobuf; charset=UTF-8
access-control-allow-origin: https://www.youtube.com
access-control-expose-headers: vary,vary,vary,content-encoding,date,server,content-length
cache-control: private
access-control-allow-credentials: true
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 110
x-xss-protection: 0

OPTIONS
H3 200 GenerateIT
jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/ Frame 0
0 15ms
15ms Preflight
text/html 2a00:1450:4001:803::200a
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/GenerateIT

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:803::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

Security Headers

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

Request headers

Accept: */*
Access-Control-Request-Headers: content-type,x-goog-api-key,x-user-agent
Access-Control-Request-Method: POST
Origin: https://www.youtube.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

access-control-allow-credentials: true
access-control-allow-headers: content-type,x-goog-api-key,x-user-agent
access-control-allow-methods: DELETE,GET,HEAD,OPTIONS,PATCH,POST,PUT
access-control-allow-origin: https://www.youtube.com
access-control-max-age: 3600
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0
content-type: text/html
date: Tue, 05 Dec 2023 12:40:16 GMT
server: ESF
vary: origin referer x-origin
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
x-xss-protection: 0

GET
H2 200 cast_sender.js Show response
www.gstatic.com/cv/js/sender/v1/ Frame 9A77 4 KB
2 KB 51ms
28ms Script
text/javascript 2a00:1450:4001:809::2003
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.gstatic.com/cv/js/sender/v1/cast_sender.js

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/s/player/31e0b6d9/player_ias.vflset/de_DE/base.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:809::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

ee147e859ad0f09aa50367974e38ab53e7c7054c4a51d400a7f45b0eb251454f

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.youtube.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 12:40:16 GMT
content-encoding: gzip
x-content-type-options: nosniff
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/cloudview
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 2007
x-xss-protection: 0
last-modified: Tue, 16 Feb 2021 23:57:06 GMT
server: sffe
cross-origin-opener-policy: same-origin; report-to="cloudview"
vary: Accept-Encoding
report-to: {"group":"cloudview","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/cloudview"}]}
content-type: text/javascript
cache-control: private, max-age=3000
accept-ranges: bytes
expires: Tue, 05 Dec 2023 12:40:16 GMT

GET
H3 204 generate_204
www.youtube.com/ Frame 9A77 0
10 B 8ms
8ms Image
text/plain 2a00:1450:4001:80e::200e
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://www.youtube.com/generate_204?gLc43g
Requested by: Host: www.youtube.com
URL: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2a00:1450:4001:80e::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software: /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Tue, 05 Dec 2023 12:40:16 GMT
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0

GET
H2 200 cast_sender.js Show response
www.gstatic.com/eureka/clank/119/ Frame 9A77 50 KB
15 KB 8ms
7ms Script
text/javascript 2a00:1450:4001:809::2003
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.gstatic.com/eureka/clank/119/cast_sender.js

Requested by

Host: www.gstatic.com
URL: https://www.gstatic.com/cv/js/sender/v1/cast_sender.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:809::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

f4d5deb4709cebcb8d869180a1db81fab7c54f99dc2e72dab8b3db15eb76e660

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.youtube.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date: Mon, 04 Dec 2023 19:47:44 GMT
content-encoding: gzip
x-content-type-options: nosniff
age: 60752
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/cloudview-release
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 14705
x-xss-protection: 0
last-modified: Mon, 02 Oct 2023 15:08:53 GMT
server: sffe
cross-origin-opener-policy: same-origin; report-to="cloudview-release"
vary: Accept-Encoding
report-to: {"group":"cloudview-release","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/cloudview-release"}]}
content-type: text/javascript
cache-control: public, max-age=86400
accept-ranges: bytes
expires: Tue, 05 Dec 2023 19:47:44 GMT

GET
H2 204 unip Show response
trc-events.taboola.com/1382618/log/3/ 0
250 B 59ms
14ms XHR
text/plain 141.226.228.48
TABOOLA-AS

General

Check archive.org

Show headers Download Go to

Full URL: https://trc-events.taboola.com/1382618/log/3/unip?en=pre_d_eng_tb&tos=1562&scd=0&ssd=1&est=1701780016264&ver=36&isls=true&src=i&invt=1500&msa=3244&rv=1&tim=1701780017827&vi=1701780016261&ri=02f733cc0d67344790010d2fb4bfea7f&ref=null&cv=20231130-4-RELEASE&item-url=https%3A%2F%2Fschools.duolingo.com%2F
Requested by: Host: schools-cdn.duolingo.com
URL: https://schools-cdn.duolingo.com/js/vendor-a38edddf.js
Protocol: H2
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 141.226.228.48 , Netherlands, ASN200478 (TABOOLA-AS, IL),
Reverse DNS
Software: nginx /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

access-control-allow-origin: https://schools.duolingo.com
pragma: no-cache
date: Tue, 05 Dec 2023 12:40:17 GMT
cache-control: no-cache
access-control-allow-credentials: true
server: nginx
p3p: policyref="http://trc.taboola.com/p3p.xml", CP="NOI DSP COR LAW NID CURa ADMa DEVa PSAa PSDa OUR BUS IND UNI COM NAV INT DEM"

POST
H3 200 log_event Show response
www.youtube.com/youtubei/v1/ Frame 9A77 28 B
54 B 23ms
23ms XHR
application/json 2a00:1450:4001:80e::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.youtube.com/youtubei/v1/log_event?alt=json&key=AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/s/player/31e0b6d9/www-embed-player.vflset/www-embed-player.js

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

Software

scaffolding on HTTPServer2 /

Resource Hash

d7d5e54ad1e33d7ab49c664323ced79cb9723ff15e9764cd0edc3e15208e8336

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36
X-Goog-Request-Time: 1701780018542
Content-Type: application/json
X-YouTube-Utc-Offset: 60
X-YouTube-Client-Name: 56
Referer: https://www.youtube.com/embed/E6hadnnW-JE?enablejsapi=1&origin=https://schools.duolingo.com
X-YouTube-Client-Version: 1.20231128.01.01
X-YouTube-Time-Zone: Europe/Berlin
X-Goog-Visitor-Id: CgtVNzUyYUtqeFVvayiwtLyrBjIICgJERRICEgA%3D
X-YouTube-Ad-Signals: dt=1701780016321&flash=0&frm=2&u_tz=60&u_his=2&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&bc=31&bih=-12245933&biw=-12245933&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C560%2C314&vis=1&wgl=true&ca_type=image

Response headers

date: Tue, 05 Dec 2023 12:40:18 GMT
content-encoding: br
x-content-type-options: nosniff
server: scaffolding on HTTPServer2
x-frame-options: SAMEORIGIN
vary: Origin, X-Origin, Referer
content-type: application/json; charset=UTF-8
p3p: CP="This is not a P3P policy! See g.co/p3phelp for more info."
cache-control: private
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 31
x-xss-protection: 0
expires: Tue, 05 Dec 2023 12:40:18 GMT

GET
H2 204 unip Show response
trc-events.taboola.com/1382618/log/3/ 0
249 B 15ms
15ms XHR
text/plain 141.226.228.48
TABOOLA-AS

General

Check archive.org

Show headers Download Go to

Full URL: https://trc-events.taboola.com/1382618/log/3/unip?en=pre_d_eng_tb&tos=4563&scd=0&ssd=1&est=1701780016264&ver=36&isls=true&src=i&invt=3000&msa=3244&rv=1&tim=1701780020828&vi=1701780016261&ri=02f733cc0d67344790010d2fb4bfea7f&ref=null&cv=20231130-4-RELEASE&item-url=https%3A%2F%2Fschools.duolingo.com%2F
Requested by: Host: schools-cdn.duolingo.com
URL: https://schools-cdn.duolingo.com/js/vendor-a38edddf.js
Protocol: H2
Security: TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server: 141.226.228.48 , Netherlands, ASN200478 (TABOOLA-AS, IL),
Reverse DNS
Software: nginx /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://schools.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

access-control-allow-origin: https://schools.duolingo.com
pragma: no-cache
date: Tue, 05 Dec 2023 12:40:20 GMT
cache-control: no-cache
access-control-allow-credentials: true
server: nginx
p3p: policyref="http://trc.taboola.com/p3p.xml", CP="NOI DSP COR LAW NID CURa ADMa DEVa PSAa PSDa OUR BUS IND UNI COM NAV INT DEM"

Verdicts & Comments Add Verdict or Comment

49 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.

10 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
.duolingo.com/	1970-01-20 18:52:36	Name: _gcl_au Value: 1.1.758603560.1701780016
.duolingo.com/	1970-01-21 01:28:36	Name: logged_out_uuid Value: 18c39fe4b4f1ca-0786f45d74e67e-6d325e53-1d4c00-18c39fe4b50957
.youtube.com/	1969-12-31 23:59:59	Name: YSC Value: I670NlgMcS4
.youtube.com/	1970-01-20 21:02:12	Name: VISITOR_INFO1_LIVE Value: U752aKjxUok
.duolingo.com/	1970-01-21 02:19:00	Name: _ga_K7B90B1WR0 Value: GS1.1.1701780016.1.0.1701780016.0.0.0
.duolingo.com/	1970-01-21 02:19:00	Name: _ga Value: GA1.2.157972443.1701780016
.duolingo.com/	1970-01-20 16:44:26	Name: _gid Value: GA1.2.1660074612.1701780016
.duolingo.com/	1970-01-20 16:43:00	Name: _gat_UA-21595814-23 Value: 1
.duolingo.com/	1970-01-20 18:52:36	Name: _fbp Value: fb.1.1701780016337.859904088
.duolingo.com/	1970-01-21 02:19:00	Name: _ga_3GRE5C5BP0 Value: GS1.2.1701780016.1.0.1701780016.0.0.0

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.

cdn.taboola.com
connect.facebook.net
excess.duolingo.com
fonts.gstatic.com
googleads.g.doubleclick.net
i.ytimg.com
jnn-pa.googleapis.com
region1.google-analytics.com
schools-cdn.duolingo.com
schools.duolingo.com
static.doubleclick.net
trc-events.taboola.com
trc.taboola.com
www.duolingo.com
www.facebook.com
www.google-analytics.com
www.google.com
www.googletagmanager.com
www.gstatic.com
www.youtube.com
yt3.ggpht.com
141.226.228.48
151.101.1.44
2001:4860:4802:32::36
23.21.242.178
2a00:1450:4001:803::200a
2a00:1450:4001:809::2003
2a00:1450:4001:80b::2003
2a00:1450:4001:80e::200e
2a00:1450:4001:813::2006
2a00:1450:4001:827::2004
2a00:1450:4001:827::2016
2a00:1450:4001:828::200e
2a00:1450:4001:82b::2002
2a00:1450:4001:830::2001
2a00:1450:4001:830::2008
2a03:2880:f083:100:face:b00c:0:3
2a03:2880:f176:84:face:b00c:0:25de
3.231.175.109
34.235.251.2
52.222.236.5
54.156.193.235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schools.duolingo.com Open in urlscan Pro 34.235.251.2 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

64 Requests

98 %HTTPS

67 %IPv6

13 Domains

21 Subdomains

21 IPs

3 Countries

4391 kBTransfer

8712 kBSize

10 Cookies

10 Outgoing links

Page URL History

Redirected requests

64 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 1 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

schools.duolingo.com Open in urlscan Pro
34.235.251.2 Public Scan

Screenshot
Live screenshot

Full Image

64
Requests

98 %
HTTPS

67 %
IPv6

13
Domains

21
Subdomains

21
IPs

3
Countries

4391 kB
Transfer

8712 kB
Size

10
Cookies

64 HTTP transactions
1 data transactions