certs.duolingo.com Open in urlscan Pro
34.192.1.138 Public Scan

Go To Rescan
Add Verdict Report

URL:
https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Submission: On March 01 via api (March 1st 2024, 5:31:32 am UTC) from HK — Scanned from DE

Summary HTTP 77 Redirects Links 9 Behaviour Indicators

Summary

This website contacted 29 IPs in 5 countries across 19 domains to perform 77 HTTP transactions. The main IP is 34.192.1.138, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is certs.duolingo.com.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on November 21st 2023. Valid for: a year.

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

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
3	34.192.1.138 34.192.1.138	14618 (AMAZON-AES) (AMAZON-AES)
22	143.204.98.75 143.204.98.75	16509 (AMAZON-02) (AMAZON-02)
1	2a00:1450:400... 2a00:1450:400c:c0a::54	15169 (GOOGLE) (GOOGLE)
4	2a00:1450:400... 2a00:1450:4001:831::2008	15169 (GOOGLE) (GOOGLE)
1	18.165.201.103 18.165.201.103	16509 (AMAZON-02) (AMAZON-02)
1 4	2620:1ec:c11:... 2620:1ec:c11::200	8068 (MICROSOFT...) (MICROSOFT-CORP-MSN-AS-BLOCK)
4	2a03:2880:f08... 2a03:2880:f083:100:face:b00c:0:3	32934 (FACEBOOK) (FACEBOOK)
2	2a00:1450:400... 2a00:1450:4001:831::200e	15169 (GOOGLE) (GOOGLE)
1	162.159.153.247 162.159.153.247	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	52.4.62.73 52.4.62.73	14618 (AMAZON-AES) (AMAZON-AES)
1 2	142.250.186.166 142.250.186.166	15169 (GOOGLE) (GOOGLE)
1	142.250.185.66 142.250.185.66	15169 (GOOGLE) (GOOGLE)
2	2001:4860:480... 2001:4860:4802:32::36	15169 (GOOGLE) (GOOGLE)
2	2a00:1450:400... 2a00:1450:400c:c00::9b	15169 (GOOGLE) (GOOGLE)
6	2a00:1450:400... 2a00:1450:4001:82f::2003	15169 (GOOGLE) (GOOGLE)
1	18.245.31.41 18.245.31.41	16509 (AMAZON-02) (AMAZON-02)
1 3	2a00:1450:400... 2a00:1450:4001:830::2004	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:828::2002	15169 (GOOGLE) (GOOGLE)
1 1	2a00:1450:400... 2a00:1450:4001:806::2002	15169 (GOOGLE) (GOOGLE)
1	2a03:2880:f17... 2a03:2880:f176:181:face:b00c:0:25de	32934 (FACEBOOK) (FACEBOOK)
2	2620:1ec:46::45 2620:1ec:46::45	8075 (MICROSOFT...) (MICROSOFT-CORP-MSN-AS-BLOCK)
1	76.223.60.10 76.223.60.10	16509 (AMAZON-02) (AMAZON-02)
1	47.254.187.131 47.254.187.131	45102 (ALIBABA-C...) (ALIBABA-CN-NET Alibaba US Technology Co.)
2	44.219.6.223 44.219.6.223	14618 (AMAZON-AES) (AMAZON-AES)
2	4.227.249.197 4.227.249.197	8075 (MICROSOFT...) (MICROSOFT-CORP-MSN-AS-BLOCK)
2	34.237.219.119 34.237.219.119	14618 (AMAZON-AES) (AMAZON-AES)
1 2	68.219.88.97 68.219.88.97	8075 (MICROSOFT...) (MICROSOFT-CORP-MSN-AS-BLOCK)
4	2a00:1450:400... 2a00:1450:4001:831::2003	15169 (GOOGLE) (GOOGLE)
2	2a00:1450:400... 2a00:1450:4001:80e::2003	15169 (GOOGLE) (GOOGLE)
1	3.92.120.28 3.92.120.28	14618 (AMAZON-AES) (AMAZON-AES)
77	29

3 34.192.1.138 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-34-192-1-138.compute-1.amazonaws.com

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

22 143.204.98.75 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-143-204-98-75.fra50.r.cloudfront.net

d23cwzsbkjbm45.cloudfront.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:400c:c0a::54 (Brussels, Belgium)

ASN15169 (GOOGLE, US)

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

4 2a00:1450:4001:831::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 18.165.201.103 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-165-201-103.lhr50.r.cloudfront.net

localization-duostrings.duolingo.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2620:1ec:c11::200 (United States) 1 redirects

ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US)

bat.bing.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
c.bing.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 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

2 2a00:1450:4001:831::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 162.159.153.247 (None, )

ASN13335 (CLOUDFLARENET, US)

a.quora.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 52.4.62.73 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-52-4-62-73.compute-1.amazonaws.com

q.quora.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 142.250.186.166 (United States) 1 redirects

ASN15169 (GOOGLE, US)
PTR: fra24s08-in-f6.1e100.net

12371249.fls.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 142.250.185.66 (United States)

ASN15169 (GOOGLE, US)
PTR: fra16s48-in-f2.1e100.net

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

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

ASN15169 (GOOGLE, US)

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

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

ASN15169 (GOOGLE, US)

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

6 2a00:1450:4001:82f::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 18.245.31.41 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-245-31-41.fra56.r.cloudfront.net

fpnpmcdn.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2a00:1450:4001:830::2004 (Frankfurt am Main, Germany) 1 redirects

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:828::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:806::2002 (Frankfurt am Main, Germany) 1 redirects

ASN15169 (GOOGLE, US)

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

1 2a03:2880:f176:181:face:b00c:0:25de (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)

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

2 2620:1ec:46::45 (United States)

ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)

www.clarity.ms	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 76.223.60.10 (United States)

ASN16509 (AMAZON-02, US)
PTR: a46a250059e296ddb.awsglobalaccelerator.com

api.fpjs.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 47.254.187.131 (Frankfurt am Main, Germany)

ASN45102 (ALIBABA-CN-NET Alibaba US Technology Co., Ltd., CN)

duolingo-certifications-data.oss-accelerate.aliyuncs.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 44.219.6.223 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-44-219-6-223.compute-1.amazonaws.com

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

2 4.227.249.197 (Washington, United States)

ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)

u.clarity.ms	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 34.237.219.119 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-34-237-219-119.compute-1.amazonaws.com

pi.pardot.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 68.219.88.97 (Dublin, Ireland) 1 redirects

ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)

c.clarity.ms	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2a00:1450:4001:831::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

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

ASN15169 (GOOGLE, US)

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

1 3.92.120.28 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-3-92-120-28.compute-1.amazonaws.com

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

	Apex Domain Subdomains	Transfer
22	cloudfront.net d23cwzsbkjbm45.cloudfront.net	2 MB
7	google.com 1 redirects accounts.google.com — Cisco Umbrella Rank: 20 region1.analytics.google.com — Cisco Umbrella Rank: 2533 www.google.com — Cisco Umbrella Rank: 2 adservice.google.com — Cisco Umbrella Rank: 92	89 KB
7	duolingo.com certs.duolingo.com localization-duostrings.duolingo.com — Cisco Umbrella Rank: 526464 excess.duolingo.com — Cisco Umbrella Rank: 7397 go.duolingo.com — Cisco Umbrella Rank: 559853	224 KB
6	gstatic.com www.gstatic.com fonts.gstatic.com	451 KB
6	clarity.ms 1 redirects www.clarity.ms — Cisco Umbrella Rank: 753 u.clarity.ms — Cisco Umbrella Rank: 7369 c.clarity.ms — Cisco Umbrella Rank: 1363	28 KB
5	doubleclick.net 2 redirects 12371249.fls.doubleclick.net — Cisco Umbrella Rank: 529294 stats.g.doubleclick.net — Cisco Umbrella Rank: 81 googleads.g.doubleclick.net — Cisco Umbrella Rank: 34	3 KB
4	facebook.net connect.facebook.net — Cisco Umbrella Rank: 177	156 KB
4	bing.com 1 redirects bat.bing.com — Cisco Umbrella Rank: 371 c.bing.com — Cisco Umbrella Rank: 246	16 KB
4	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 37	347 KB
3	recaptcha.net www.recaptcha.net — Cisco Umbrella Rank: 1269	30 KB
3	google.de www.google.de — Cisco Umbrella Rank: 6463	579 B
2	pardot.com pi.pardot.com — Cisco Umbrella Rank: 5015	4 KB
2	quora.com a.quora.com — Cisco Umbrella Rank: 5397 q.quora.com — Cisco Umbrella Rank: 3870	15 KB
2	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 31	21 KB
1	aliyuncs.com duolingo-certifications-data.oss-accelerate.aliyuncs.com	116 KB
1	fpjs.io api.fpjs.io — Cisco Umbrella Rank: 53968	447 B
1	facebook.com www.facebook.com — Cisco Umbrella Rank: 98	185 B
1	fpnpmcdn.net fpnpmcdn.net — Cisco Umbrella Rank: 25410	47 KB
1	googleadservices.com www.googleadservices.com — Cisco Umbrella Rank: 126	2 KB
77	19

	Domain	Requested by
22	d23cwzsbkjbm45.cloudfront.net	certs.duolingo.com d23cwzsbkjbm45.cloudfront.net
4	www.gstatic.com	www.recaptcha.net www.gstatic.com
4	connect.facebook.net	certs.duolingo.com connect.facebook.net
4	www.googletagmanager.com	certs.duolingo.com www.googletagmanager.com
3	www.recaptcha.net	certs.duolingo.com www.gstatic.com www.recaptcha.net
3	www.google.com	1 redirects certs.duolingo.com www.gstatic.com
3	www.google.de	certs.duolingo.com
3	bat.bing.com	certs.duolingo.com bat.bing.com
3	certs.duolingo.com	d23cwzsbkjbm45.cloudfront.net
2	fonts.gstatic.com	www.recaptcha.net
2	c.clarity.ms	1 redirects
2	pi.pardot.com	certs.duolingo.com pi.pardot.com
2	u.clarity.ms	d23cwzsbkjbm45.cloudfront.net
2	excess.duolingo.com	d23cwzsbkjbm45.cloudfront.net
2	www.clarity.ms	bat.bing.com www.clarity.ms
2	stats.g.doubleclick.net	www.googletagmanager.com www.google-analytics.com
2	region1.analytics.google.com	www.googletagmanager.com
2	12371249.fls.doubleclick.net	1 redirects www.googletagmanager.com
2	www.google-analytics.com	www.googletagmanager.com www.google-analytics.com
1	go.duolingo.com	pi.pardot.com
1	c.bing.com	1 redirects
1	duolingo-certifications-data.oss-accelerate.aliyuncs.com	certs.duolingo.com
1	api.fpjs.io	d23cwzsbkjbm45.cloudfront.net
1	www.facebook.com	certs.duolingo.com
1	googleads.g.doubleclick.net	1 redirects
1	adservice.google.com	12371249.fls.doubleclick.net
1	fpnpmcdn.net	d23cwzsbkjbm45.cloudfront.net
1	www.googleadservices.com	www.googletagmanager.com
1	q.quora.com	certs.duolingo.com
1	a.quora.com	www.googletagmanager.com
1	localization-duostrings.duolingo.com	certs.duolingo.com
1	accounts.google.com	certs.duolingo.com
77	32

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

Domain
englishtest.duolingo.com
www.youtube.com
www.linkedin.com
twitter.com
www.facebook.com
www.instagram.com
blog.englishtest.duolingo.com
testcenter.zendesk.com

Subject Issuer	Validity	Valid
*.duolingo.com Go Daddy Secure Certificate Authority - G2	`2023-11-21` - `2024-12-22`	a year	crt.sh
*.cloudfront.net Amazon RSA 2048 M01	`2023-10-10` - `2024-09-19`	a year	crt.sh
accounts.google.com GTS CA 1C3	`2024-02-05` - `2024-04-29`	3 months	crt.sh
*.google-analytics.com GTS CA 1C3	`2024-02-05` - `2024-04-29`	3 months	crt.sh
www.bing.com Microsoft Azure TLS Issuing CA 02	`2024-01-21` - `2024-06-27`	5 months	crt.sh
*.facebook.com DigiCert SHA2 High Assurance Server CA	`2023-12-09` - `2024-03-08`	3 months	crt.sh
quora.com R3	`2024-01-07` - `2024-04-06`	3 months	crt.sh
*.quora.com R3	`2023-12-17` - `2024-03-16`	3 months	crt.sh
*.doubleclick.net GTS CA 1C3	`2024-02-05` - `2024-04-29`	3 months	crt.sh
www.googleadservices.com GTS CA 1C3	`2024-02-05` - `2024-04-29`	3 months	crt.sh
*.g.doubleclick.net GTS CA 1C3	`2024-02-05` - `2024-04-29`	3 months	crt.sh
www.google.de GTS CA 1C3	`2024-02-05` - `2024-04-29`	3 months	crt.sh
fpcdn.io Amazon RSA 2048 M03	`2023-10-10` - `2024-11-08`	a year	crt.sh
www.google.com GTS CA 1C3	`2024-02-05` - `2024-04-29`	3 months	crt.sh
*.google.com GTS CA 1C3	`2024-02-05` - `2024-04-29`	3 months	crt.sh
www.clarity.ms DigiCert TLS RSA SHA256 2020 CA1	`2023-12-07` - `2024-12-07`	a year	crt.sh
api.fpjs.io Amazon RSA 2048 M03	`2023-11-15` - `2024-12-14`	a year	crt.sh
*.oss-eu-central-1.aliyuncs.com GlobalSign Organization Validation CA - SHA256 - G3	`2024-01-26` - `2025-02-26`	a year	crt.sh
a.clarity.ms Microsoft Azure TLS Issuing CA 01	`2024-01-14` - `2024-06-27`	5 months	crt.sh
misc.google.com GTS CA 1C3	`2024-02-05` - `2024-04-29`	3 months	crt.sh
pi.pardot.com DigiCert TLS RSA SHA256 2020 CA1	`2023-07-25` - `2024-07-23`	a year	crt.sh
*.gstatic.com GTS CA 1C3	`2024-02-05` - `2024-04-29`	3 months	crt.sh
go.duolingo.com R3	`2024-02-09` - `2024-05-09`	3 months	crt.sh

This page contains 3 frames:

Primary Page: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Frame ID: C22E0C486175E2E881A113DCD8B11D5B
Requests: 66 HTTP requests in this frame

Frame: https://12371249.fls.doubleclick.net/activityi;dc_pre=CIfK8f-q0oQDFZvROwIdldgM0Q;src=12371249;type=invmedia;cat=theco0;ord=694139241100;npa=1;auiddc=614813584.1709271087;pscdl=noapi;gtm=45fe42s0z8812915520za201;gcd=13l3l3l2l1;dma_cps=sypham;dma=1;uaa=;uab=;uafvl=;uamb=0;uam=;uap=;uapv=;uaw=0;epver=2;~oref=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7
Frame ID: 2F39A233A2278DFBE946B85CAC6BF730
Requests: 2 HTTP requests in this frame

Frame: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6Le3YpAkAAAAAG20zlwTeZv2Qk6pVU5i7AACApRt&co=aHR0cHM6Ly9jZXJ0cy5kdW9saW5nby5jb206NDQz&hl=de&v=vj7hFxe2iNgbe-u95xTozOXW&size=invisible&cb=4gesk5ug2s3v
Frame ID: 611B8F2BC4C690EBEE341426C552A6E7
Requests: 8 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Duolingo English Test

Detected technologies

Google Sign-in (Social logins) Expand

Overall confidence: 100%
Detected patterns

accounts\.google\.com/gsi/client

Facebook (Widgets) Expand

Overall confidence: 100%
Detected patterns

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

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

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

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

googletagmanager\.com/gtm\.js
googletagmanager\.com/gtag/js

Page Statistics

77
Requests

97 %
HTTPS

50 %
IPv6

19
Domains

32
Subdomains

29
IPs

5
Countries

4098 kB
Transfer

9803 kB
Size

30
Cookies

9 Outgoing links

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

URL: https://englishtest.duolingo.com/scores
Title: englishtest.duolingo.com/scores

Search URL Search Domain Scan URL

URL: https://englishtest.duolingo.com/sharing
Title: englishtest.duolingo.com/sharing

Search URL Search Domain Scan URL

URL: https://www.youtube.com/c/DuolingoEnglishTest
Title: YouTube

Search URL Search Domain Scan URL

URL: https://www.linkedin.com/company/duolingo-english-test-/
Title: LinkedIn

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://testcenter.zendesk.com/hc/de
Title: Hilfecenter

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 19

https://12371249.fls.doubleclick.net/activityi;src=12371249;type=invmedia;cat=theco0;ord=694139241100;npa=1;auiddc=614813584.1709271087;pscdl=noapi;gtm=45fe42s0z8812915520za201;gcd=13l3l3l2l1;dma_cps=sypham;dma=1;uaa=;uab=;uafvl=;uamb=0;uam=;uap=;uapv=;uaw=0;epver=2;~oref=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7 HTTP 302
https://12371249.fls.doubleclick.net/activityi;dc_pre=CIfK8f-q0oQDFZvROwIdldgM0Q;src=12371249;type=invmedia;cat=theco0;ord=694139241100;npa=1;auiddc=614813584.1709271087;pscdl=noapi;gtm=45fe42s0z8812915520za201;gcd=13l3l3l2l1;dma_cps=sypham;dma=1;uaa=;uab=;uafvl=;uamb=0;uam=;uap=;uapv=;uaw=0;epver=2;~oref=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7

Request Chain 43

https://googleads.g.doubleclick.net/pagead/viewthroughconversion/11292899172/?random=322406239&cv=11&fst=1709271087183&bg=ffffff&guid=ON&async=1&gtm=45be42s0v9138253470z8812915520za201&gcd=13l3l3l2l1&dma_cps=sypham&dma=1&u_w=1600&u_h=1200&url=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7&label=MsqZCNrf588YEOTu74gq&hn=www.googleadservices.com&frm=0&tiba=Duolingo%20English%20Test&value=0&npa=1&pscdl=noapi&auid=614813584.1709271087&uamb=0&uaw=0&fmt=3&ct_cookie_present=false&sscte=1&crd=COy7sQII4b2xAg&eitems=ChAIgPOArwYQlM2O1ZON4NoQEh0A67BuLzjGGEKzfVlWueo_YsoqTmRk-xi92yRQwA&pscrd=Ek5DaEVJZ1BPQXJ3WVFvZGVZblpIV3BZZTBBUklsQUVtdEhCcUJyWThtXzMzN21aREVvdTV4QUJSZmp0aTB2bnFndDhwelRTSFlHOUhMbWcaWENoRUlnUE9BcndZUXhOX0QxOXFqcWJ1MUFSSXRBSVNEaWRmSzRRamhtUmNMNnRCM09qa0ZmNC0tcENCMHQtc0dkaGNKUEtyOF9NUm9rOFJPeDB2ampNNlgiEwjC3u__qtKEAxU2SB0JHW-NAv0yAggDMgIIBDICCAcyAggIMgIICTICCAoyAggCMgIICw HTTP 302
https://www.google.com/pagead/1p-conversion/11292899172/?random=322406239&cv=11&fst=1709271087183&bg=ffffff&guid=ON&async=1&gtm=45be42s0v9138253470z8812915520za201&gcd=13l3l3l2l1&dma_cps=sypham&dma=1&u_w=1600&u_h=1200&url=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7&label=MsqZCNrf588YEOTu74gq&hn=www.googleadservices.com&frm=0&tiba=Duolingo%20English%20Test&value=0&npa=1&pscdl=noapi&auid=614813584.1709271087&uamb=0&uaw=0&fmt=3&ct_cookie_present=false&sscte=1&crd=COy7sQII4b2xAg&pscrd=Ek5DaEVJZ1BPQXJ3WVFvZGVZblpIV3BZZTBBUklsQUVtdEhCcUJyWThtXzMzN21aREVvdTV4QUJSZmp0aTB2bnFndDhwelRTSFlHOUhMbWcaWENoRUlnUE9BcndZUXhOX0QxOXFqcWJ1MUFSSXRBSVNEaWRmSzRRamhtUmNMNnRCM09qa0ZmNC0tcENCMHQtc0dkaGNKUEtyOF9NUm9rOFJPeDB2ampNNlgiEwjC3u__qtKEAxU2SB0JHW-NAv0yAggDMgIIBDICCAcyAggIMgIICTICCAoyAggCMgIICw&is_vtc=1&cid=CAQSKQB7FLtqxd4IRVw7W5VgXW9-PDGIn593fFpjfzquah2Y2LcNHwbKetFu&eitems=ChAIgPOArwYQlM2O1ZON4NoQEh0A67BuL0DTrBcHEw66duZrP1ys20JSAtXgCX27qg&random=3682779484 HTTP 302
https://www.google.de/pagead/1p-conversion/11292899172/?random=322406239&cv=11&fst=1709271087183&bg=ffffff&guid=ON&async=1&gtm=45be42s0v9138253470z8812915520za201&gcd=13l3l3l2l1&dma_cps=sypham&dma=1&u_w=1600&u_h=1200&url=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7&label=MsqZCNrf588YEOTu74gq&hn=www.googleadservices.com&frm=0&tiba=Duolingo%20English%20Test&value=0&npa=1&pscdl=noapi&auid=614813584.1709271087&uamb=0&uaw=0&fmt=3&ct_cookie_present=false&sscte=1&crd=COy7sQII4b2xAg&pscrd=Ek5DaEVJZ1BPQXJ3WVFvZGVZblpIV3BZZTBBUklsQUVtdEhCcUJyWThtXzMzN21aREVvdTV4QUJSZmp0aTB2bnFndDhwelRTSFlHOUhMbWcaWENoRUlnUE9BcndZUXhOX0QxOXFqcWJ1MUFSSXRBSVNEaWRmSzRRamhtUmNMNnRCM09qa0ZmNC0tcENCMHQtc0dkaGNKUEtyOF9NUm9rOFJPeDB2ampNNlgiEwjC3u__qtKEAxU2SB0JHW-NAv0yAggDMgIIBDICCAcyAggIMgIICTICCAoyAggCMgIICw&is_vtc=1&cid=CAQSKQB7FLtqxd4IRVw7W5VgXW9-PDGIn593fFpjfzquah2Y2LcNHwbKetFu&eitems=ChAIgPOArwYQlM2O1ZON4NoQEh0A67BuL0DTrBcHEw66duZrP1ys20JSAtXgCX27qg&random=3682779484&ipr=y

Request Chain 62

https://c.clarity.ms/c.gif HTTP 302
https://c.bing.com/c.gif?ctsa=mr&CtsSyncId=3E3FACF0ABBF4968A1D510E377B58783&RedC=c.clarity.ms&MXFR=1B8394B39CA36B453FF1808698A36580 HTTP 302
https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=3E3FACF0ABBF4968A1D510E377B58783&MUID=0B5E6D70D71668F825017945D69D690E

77 HTTP transactions
0 data transactions

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

GET
H2 200 Primary Request 169b61ba17ae58bbbed9cf2b0ba44fb7 Show response
certs.duolingo.com/ 15 KB
6 KB 510ms
215ms Document
text/html 34.192.1.138
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.192.1.138 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-192-1-138.compute-1.amazonaws.com
Software: duo-api /
Resource Hash: 847caad031024764ecfa6c39a4dc9258332d91408e535315aeb6087216a53de4

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

content-encoding: gzip
content-length: 5604
content-type: text/html; charset=utf-8
date: Fri, 01 Mar 2024 05:31:26 GMT
server: duo-api
x-duo-request-host: certs.duolingo.com
x-envoy-upstream-service-time: 90

GET
H2 200 4579_testcenter_9378571ccb9473bcc313.css
d23cwzsbkjbm45.cloudfront.net/static/css/ 20 KB
4 KB 587ms
440ms Stylesheet
text/css 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/css/4579_testcenter_9378571ccb9473bcc313.css
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: d41333c88246162ef88ac0904295f4996ee4ec6dceb4353ff6f53de2a9a17fa3

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: 8HP0uE2MtCs74u6IT_qpQ_qTCMwLb97N
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:27 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 3370
last-modified: Thu, 29 Feb 2024 22:25:04 GMT
server: AmazonS3
etag: "7acb4746991a427f27f671cfb6765b33"
vary: Origin
content-type: text/css
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: DIPB5PMIuSDpZ1TYBdgOlOFtFg9oTZzh7dO0FLWjQBU88zltnZzJug==
expires: Fri, 01 Mar 2024 22:25:03 GMT

GET
H2 200 4579_testcenter_809de938bf2fa29dfa81.js Show response
d23cwzsbkjbm45.cloudfront.net/static/js/ 2 MB
448 KB 587ms
441ms Script
application/javascript 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/js/4579_testcenter_809de938bf2fa29dfa81.js
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 0b4cf447e68bcba57d1900924a821f966e2a8665b63fe5eb1e7bcef0ef56e655

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: iwNI91S7fuN9I_YjT_lI_iMpGkzEHsPV
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:27 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 457384
last-modified: Thu, 29 Feb 2024 22:25:05 GMT
server: AmazonS3
etag: "1e88c8508dce70e0f347019f15d05507"
vary: Origin
content-type: application/javascript
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: teGmvGV9EJM-AdT-2B22jSEeaabsFkVATcVS3-7VNBWv-UeP4963sQ==
expires: Fri, 01 Mar 2024 22:25:04 GMT

GET
H2 200 2531_testcenter_33cdf86d844c844029d0.css
d23cwzsbkjbm45.cloudfront.net/static/css/ 274 KB
59 KB 588ms
441ms Stylesheet
text/css 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/css/2531_testcenter_33cdf86d844c844029d0.css
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 3836f44abe5461967dd6cbee4ce5310ecbc758b0afa5a428642564dcb4ce097e

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: Izp9Bd9WBOJO3AmlHqVpM1636S8fbiFS
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:27 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 59706
last-modified: Thu, 29 Feb 2024 22:25:04 GMT
server: AmazonS3
etag: "58e2fef982288f3456bd0a40f56c521e"
vary: Origin
content-type: text/css
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: yf7YY-QwItMarOYA67my2l1nGefoRUOO638oGbErGKq0kWE3Pl57mA==
expires: Fri, 01 Mar 2024 22:25:03 GMT

GET
H2 200 2531_testcenter_f38594b3582928d445a2.js Show response
d23cwzsbkjbm45.cloudfront.net/static/js/ 4 MB
2 MB 374ms
228ms Script
application/javascript 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/js/2531_testcenter_f38594b3582928d445a2.js
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: a8a9f4c608dd11a8d254a933463dd006f3a797dcda2757fbee08472b8606ce9c

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: Rt36cY819fiikMpdZSSjeoMwZFs17h_p
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:27 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 1948749
last-modified: Thu, 29 Feb 2024 22:25:04 GMT
server: AmazonS3
etag: "ed24d12348afc635008f18578002d292"
vary: Origin
content-type: application/javascript
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: 6cOAxm4MA2Yt8vPYblLaEP_UdkMELsHUSb0YAOuxiVmuQy-krWZu7w==
expires: Fri, 01 Mar 2024 22:25:03 GMT

GET
H2 200 main_testcenter_9b2ef6417662719dae68.css
d23cwzsbkjbm45.cloudfront.net/static/css/ 236 KB
28 KB 585ms
439ms Stylesheet
text/css 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/css/main_testcenter_9b2ef6417662719dae68.css
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 4a396357548f52890041e3946488f290147e55ec5c0dadc8a93af1d844b6f2d6

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: CYTAyWb5uilY66FwICXWnq1hvQqT0JWy
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:27 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 28478
last-modified: Thu, 29 Feb 2024 22:25:04 GMT
server: AmazonS3
etag: "c9d187da5872d464a4c381001c6b7f2e"
vary: Origin
content-type: text/css
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: qXam80OZqKubcxNQl5jSCRfRexKcq7tkaDnyhLVP7m58pt-whfr8Ug==
expires: Fri, 01 Mar 2024 22:25:03 GMT

GET
H2 200 main_testcenter_9da47a6fd078999d7318.js Show response
d23cwzsbkjbm45.cloudfront.net/static/js/ 58 KB
18 KB 608ms
462ms Script
application/javascript 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/js/main_testcenter_9da47a6fd078999d7318.js
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: ac03acb81527ceb411ff1c6bc14adc2d59e278a42f7abed2b9698c7f71fb4edc

Request headers

Referer: https://certs.duolingo.com/
Origin: https://certs.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/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: E8q8RdyVq2KuSs60C_gi88OKFdKkjgSf
content-encoding: gzip
via: 1.1 b912dc97777020eb19579888add26978.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:27 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: RefreshHit from cloudfront
content-length: 17857
last-modified: Thu, 29 Feb 2024 22:25:04 GMT
server: AmazonS3
etag: "c9fb5b5ae8a05d222dc496d45a917399"
vary: Origin,Access-Control-Request-Headers,Access-Control-Request-Method, Origin
content-type: application/javascript
access-control-allow-origin: https://certs.duolingo.com
cache-control: public, max-age=1 day, 0:00:00
access-control-allow-credentials: true
accept-ranges: bytes
x-amz-cf-id: 1oPeOEN-Ky-CvNeJ67hcDd6S4hnwcy1WB6sIB_7laWymiNpqiE9I0w==
expires: Fri, 01 Mar 2024 22:25:03 GMT

GET
H2 200 client Show response
accounts.google.com/gsi/ 209 KB
80 KB 178ms
74ms Script
application/javascript 2a00:1450:400c:c0a::54
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://accounts.google.com/gsi/client

Requested by

Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:400c:c0a::54 Brussels, Belgium, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

f5ef93b397db3193be53f75d3b49eff205c6e1c0b21b90096a7003e9dd9e9fb5

Security Headers

Name	Value
Content-Security-Policy	script-src 'report-sample' 'nonce-HUMYV_DBaCBIo3KGEiMl7w' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
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://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Fri, 01 Mar 2024 05:31:26 GMT
content-security-policy: script-src 'report-sample' 'nonce-HUMYV_DBaCBIo3KGEiMl7w' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http, require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/identity-sign-in-google-http
content-encoding: gzip
x-content-type-options: nosniff
server: ESF
x-frame-options: SAMEORIGIN
report-to: {"group":"coop_dd7de8473bddc59c6b748810a67a39b1","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/dd7de8473bddc59c6b748810a67a39b1"}]}
content-type: application/javascript; charset=utf-8
cache-control: private, max-age=1800
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection: 0
cross-origin-opener-policy-report-only: same-origin; report-to="coop_dd7de8473bddc59c6b748810a67a39b1"
expires: Fri, 01 Mar 2024 05:31:26 GMT

GET
H2 200 gtm.js Show response
www.googletagmanager.com/ 301 KB
100 KB 156ms
66ms Script
application/javascript 2a00:1450:4001:831::2008
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googletagmanager.com/gtm.js?id=GTM-5DGPVNT

Requested by

Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:831::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

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Security Headers

Name	Value
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X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Fri, 01 Mar 2024 05:31:26 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: 102386
x-xss-protection: 0
last-modified: Fri, 01 Mar 2024 03:00:00 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: Fri, 01 Mar 2024 05:31:26 GMT

GET
H2 200 de.duostrings Show response
localization-duostrings.duolingo.com/duostrings/duolingo-englishtestcce7707378a634fe708a96ec35b18a10/latest/ 215 KB
216 KB 443ms
323ms Fetch
binary/octet-stream 18.165.201.103
AMAZON-02

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Full URL: https://localization-duostrings.duolingo.com/duostrings/duolingo-englishtestcce7707378a634fe708a96ec35b18a10/latest/de.duostrings
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 18.165.201.103 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-18-165-201-103.lhr50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: de3843c1f08d28ebcc67654d8bc7acec1a528dcc19303df0ddd2d227d9bd13d4

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: PG5slOj3Np.dihqKL2ElHUq00FV6KLTW
date: Fri, 01 Mar 2024 05:31:28 GMT
via: 1.1 d1187be634e389e2e876be936bba8e74.cloudfront.net (CloudFront)
x-amz-cf-pop: LHR50-P3
x-cache: RefreshHit from cloudfront
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last-modified: Thu, 29 Feb 2024 15:22:36 GMT
server: AmazonS3
etag: "1f0061571376461e3902bf77f1fad3df"
access-control-max-age: 3000
access-control-allow-methods: GET, HEAD
content-type: binary/octet-stream
access-control-allow-origin: https://certs.duolingo.com
vary: Accept-Encoding,Origin,Access-Control-Request-Headers,Access-Control-Request-Method
access-control-allow-credentials: true
x-amz-cf-id: j7LM5lZjtoiz0dOGAYM7jG9iqD0IXWjNOBiggG7vBXTnEK5pzLbelA==

GET
H2 200 bat.js Show response
bat.bing.com/ 45 KB
13 KB 709ms
63ms Script
application/javascript 2620:1ec:c11::200
MICROSOFT-CORP-MS...

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Full URL

https://bat.bing.com/bat.js

Requested by

Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7

Protocol

Security

TLS 1.3, , AES_256_GCM

Server

2620:1ec:c11::200 , United States, ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US),

Reverse DNS

Software

Resource Hash

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Security Headers

Name	Value
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

strict-transport-security: max-age=31536000; includeSubDomains; preload
content-encoding: gzip
date: Fri, 01 Mar 2024 05:31:27 GMT
last-modified: Thu, 29 Feb 2024 19:58:06 GMT
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
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vary: Accept-Encoding
x-cache: CONFIG_NOCACHE
content-type: application/javascript
cache-control: private,max-age=1800
accept-ranges: bytes
content-length: 13261

GET
H2 200 sdk.js Show response
connect.facebook.net/en_US/ 3 KB
3 KB 121ms
40ms Script
application/x-javascript 2a03:2880:f083:100:face:b00c:0:3
FACEBOOK

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Full URL

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

Requested by

Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7

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

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Security Headers

Name	Value
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

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strict-transport-security: max-age=31536000; preload; includeSubDomains
content-encoding: gzip
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date: Fri, 01 Mar 2024 05:31:26 GMT
content-md5: uFC2Xk3oxXXVfe5YyqJyjg==
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content-length: 1687
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vary: Accept-Encoding
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x-frame-options: DENY
timing-allow-origin: *
expires: Fri, 01 Mar 2024 05:46:26 GMT

GET
H3 200 sdk.js Show response
connect.facebook.net/en_US/ 298 KB
85 KB 85ms
40ms Script
application/x-javascript 2a03:2880:f083:100:face:b00c:0:3
FACEBOOK

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Full URL

https://connect.facebook.net/en_US/sdk.js?hash=02d3f84264cc315aaa9abe7c90a25888

Requested by

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

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

Software

Resource Hash

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Security Headers

Name	Value
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X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

Referer: https://certs.duolingo.com/
Origin: https://certs.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/122.0.6261.94 Safari/537.36

Response headers

permissions-policy-report-only: clipboard-read=(), clipboard-write=(), picture-in-picture=();report-to="permissions_policy"
strict-transport-security: max-age=31536000; preload; includeSubDomains
content-encoding: gzip
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date: Fri, 01 Mar 2024 05:31:26 GMT
content-md5: pU7hmppX+E1QD6QKW0gWWw==
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content-type: application/x-javascript; charset=utf-8
access-control-allow-origin: *
origin-agent-cluster: ?0
access-control-expose-headers: X-FB-Content-MD5
cache-control: public,max-age=31536000,stale-while-revalidate=3600,immutable
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x-frame-options: DENY
timing-allow-origin: *
priority: u=3,i
expires: Sat, 01 Mar 2025 03:36:56 GMT

GET
H2 200 js Show response
www.googletagmanager.com/gtag/ 309 KB
99 KB 60ms
60ms Script
application/javascript 2a00:1450:4001:831::2008
GOOGLE

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Full URL

https://www.googletagmanager.com/gtag/js?id=G-Q2Y2PVZZLX&l=dataLayer&cx=c

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-5DGPVNT

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:831::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

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Security Headers

Name	Value
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X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Fri, 01 Mar 2024 05:31:27 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
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content-length: 101698
x-xss-protection: 0
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires: Fri, 01 Mar 2024 05:31:27 GMT

GET
H2 200 analytics.js Show response
www.google-analytics.com/ 52 KB
21 KB 127ms
41ms Script
text/javascript 2a00:1450:4001:831::200e
GOOGLE

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Full URL

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

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-5DGPVNT

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:831::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

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Security Headers

Name	Value
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X-Content-Type-Options	nosniff

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

strict-transport-security: max-age=10886400; includeSubDomains; preload
content-encoding: gzip
x-content-type-options: nosniff
date: Fri, 01 Mar 2024 03:48:09 GMT
last-modified: Tue, 12 Dec 2023 18:09:08 GMT
server: Golfe2
age: 6198
vary: Accept-Encoding
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alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 20994
expires: Fri, 01 Mar 2024 05:48:09 GMT

GET
H2 200 fbevents.js Show response
connect.facebook.net/en_US/ 214 KB
57 KB 80ms
80ms Script
application/x-javascript 2a03:2880:f083:100:face:b00c:0:3
FACEBOOK

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Full URL

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

Requested by

Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7

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

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Security Headers

Name	Value
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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://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

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strict-transport-security: max-age=31536000; preload; includeSubDomains
date: Fri, 01 Mar 2024 05:31:27 GMT
document-policy: force-load-at-top
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vary: Accept-Encoding
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timing-allow-origin: *
expires: Sat, 01 Jan 2000 00:00:00 GMT

GET
H2 200 qevents.js Show response
a.quora.com/ 41 KB
14 KB 116ms
40ms Script
text/plain 162.159.153.247
CLOUDFLARENET

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Full URL: https://a.quora.com/qevents.js
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-5DGPVNT
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 162.159.153.247 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: c2a101f313f27c267a744088e44664a87d2ec7dc2a3464bf1319a95094dc76db

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Fri, 01 Mar 2024 05:31:27 GMT
x-amz-version-id: DENAuZi5jc6G3XAf0_byr8vJzUcVnf.F
content-encoding: gzip
cf-cache-status: HIT
x-amz-request-id: 5K57PBR2A0025GG8
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last-modified: Tue, 17 Oct 2023 18:57:21 GMT
server: cloudflare
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content-type: text/plain
cache-control: public, max-age=14400
cf-ray: 85d6c2c67c8944f8-TXL
expires: Fri, 01 Mar 2024 09:31:27 GMT

GET
H2 200 destination Show response
www.googletagmanager.com/gtag/ 190 KB
69 KB 69ms
69ms Script
application/javascript 2a00:1450:4001:831::2008
GOOGLE

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Full URL

https://www.googletagmanager.com/gtag/destination?id=DC-12371249&l=dataLayer&cx=c

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-5DGPVNT

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:831::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

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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://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Fri, 01 Mar 2024 05:31:27 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: 70990
x-xss-protection: 0
last-modified: Fri, 01 Mar 2024 03:00:00 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: Fri, 01 Mar 2024 05:31:27 GMT

GET
H2 200 destination Show response
www.googletagmanager.com/gtag/ 215 KB
77 KB 65ms
65ms Script
application/javascript 2a00:1450:4001:831::2008
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googletagmanager.com/gtag/destination?id=AW-11292899172&l=dataLayer&cx=c

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-5DGPVNT

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:831::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

9c6245b1cde80e3fcf28c23f564a5940a07fdb9b518e26adb41744df7f3f9cc2

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://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Fri, 01 Mar 2024 05:31:27 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: 79096
x-xss-protection: 0
last-modified: Fri, 01 Mar 2024 03:00:00 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: Fri, 01 Mar 2024 05:31:27 GMT

GET
H/1.1 200
OK pixel
q.quora.com/_/ad/57e9ca97014746f2868107c55757be3f/ 43 B
419 B 494ms
118ms Image
image/gif 52.4.62.73
AMAZON-AES

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://q.quora.com/_/ad/57e9ca97014746f2868107c55757be3f/pixel?tag=ViewContent&i=gtm&u=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7

Requested by

Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7

Protocol

HTTP/1.1

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

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

Reverse DNS

ec2-52-4-62-73.compute-1.amazonaws.com

Software

nginx /

Resource Hash

548f2d6f4d0d820c6c5ffbeffcbd7f0e73193e2932eefe542accc84762deec87

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000; includeSubDomains; preload

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

Date: Fri, 01 Mar 2024 05:31:27 GMT
Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
Server: nginx
Connection: keep-alive
Content-Length: 43
X-Q-Stat: ,8aedaf605eb66a40666a8526e95404cc,10.0.0.5,64528,80.255.7.102,,213116624410,1,1709271087.461,0.001,,.,0,0,0.000,0.000,-,0,0,203,185,92,10,34729,,,,,,-,
Content-Type: image/gif

GET
H2

200

activityi;dc_pre=CIfK8f-q0oQDFZvROwIdldgM0Q;src=12371249;type=invmedia;cat=theco0;ord=694139241100;npa=1;auiddc=614813584.1709271087;pscdl=noapi;gtm=45fe42s0z8812915520za201;gcd=13l3l3l2l1;dma_cps=... Show response
12371249.fls.doubleclick.net/ Frame 2F39
Redirect Chain

https://12371249.fls.doubleclick.net/activityi;src=12371249;type=invmedia;cat=theco0;ord=694139241100;npa=1;auiddc=614813584.1709271087;pscdl=noapi;gtm=45fe42s0z8812915520za201;gcd=13l3l3l2l1;dma_c...
https://12371249.fls.doubleclick.net/activityi;dc_pre=CIfK8f-q0oQDFZvROwIdldgM0Q;src=12371249;type=invmedia;cat=theco0;ord=694139241100;npa=1;auiddc=614813584.1709271087;pscdl=noapi;gtm=45fe42s0z88...

554 B
640 B

76ms
75ms

Document
text/html

142.250.186.166
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://12371249.fls.doubleclick.net/activityi;dc_pre=CIfK8f-q0oQDFZvROwIdldgM0Q;src=12371249;type=invmedia;cat=theco0;ord=694139241100;npa=1;auiddc=614813584.1709271087;pscdl=noapi;gtm=45fe42s0z8812915520za201;gcd=13l3l3l2l1;dma_cps=sypham;dma=1;uaa=;uab=;uafvl=;uamb=0;uam=;uap=;uapv=;uaw=0;epver=2;~oref=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7?

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/destination?id=DC-12371249&l=dataLayer&cx=c

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

fra24s08-in-f6.1e100.net

Software

cafe /

Resource Hash

d0e7844d1461d12e3df56573a42557c9c00234f5e5a8b3ef582de6c34c7581f3

Security Headers

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

Request headers

Referer: https://certs.duolingo.com/
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control: private, max-age=0
content-encoding: br
content-length: 335
content-type: text/html; charset=UTF-8
cross-origin-resource-policy: cross-origin
date: Fri, 01 Mar 2024 05:31:27 GMT
expires: Fri, 01 Mar 2024 05:31:27 GMT
p3p: policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
server: cafe
strict-transport-security: max-age=21600
timing-allow-origin: *
x-content-type-options: nosniff
x-xss-protection: 0

Redirect headers

alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control: no-cache, must-revalidate
content-length: 0
content-type: text/html; charset=UTF-8
cross-origin-resource-policy: cross-origin
date: Fri, 01 Mar 2024 05:31:27 GMT
expires: Fri, 01 Jan 1990 00:00:00 GMT
follow-only-when-prerender-shown: 1
location: https://12371249.fls.doubleclick.net/activityi;dc_pre=CIfK8f-q0oQDFZvROwIdldgM0Q;src=12371249;type=invmedia;cat=theco0;ord=694139241100;npa=1;auiddc=614813584.1709271087;pscdl=noapi;gtm=45fe42s0z8812915520za201;gcd=13l3l3l2l1;dma_cps=sypham;dma=1;uaa=;uab=;uafvl=;uamb=0;uam=;uap=;uapv=;uaw=0;epver=2;~oref=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7?
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"
pragma: no-cache
server: cafe
strict-transport-security: max-age=21600
timing-allow-origin: *
x-content-type-options: nosniff
x-xss-protection: 0

GET
H2 200 / Show response
www.googleadservices.com/pagead/conversion/11292899172/ 3 KB
2 KB 157ms
56ms Script
text/javascript 142.250.185.66
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googleadservices.com/pagead/conversion/11292899172/?random=1709271087183&cv=11&fst=1709271087183&bg=ffffff&guid=ON&async=1&gtm=45be42s0v9138253470z8812915520za201&gcd=13l3l3l2l1&dma_cps=sypham&dma=1&u_w=1600&u_h=1200&url=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7&label=MsqZCNrf588YEOTu74gq&hn=www.googleadservices.com&frm=0&tiba=Duolingo%20English%20Test&value=0&bttype=purchase&npa=1&pscdl=noapi&auid=614813584.1709271087&uamb=0&uaw=0&rfmt=3&fmt=4

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/destination?id=AW-11292899172&l=dataLayer&cx=c

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

fra16s48-in-f2.1e100.net

Software

cafe /

Resource Hash

adec7f7a6f2e2f5f6473b1278006582adba0bc5d7713afea8a33539dcfc457a0

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://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

pragma: no-cache
date: Fri, 01 Mar 2024 05:31:27 GMT
content-encoding: br
x-content-type-options: nosniff
server: cafe
content-type: text/javascript; charset=UTF-8
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, must-revalidate
cross-origin-resource-policy: cross-origin
content-disposition: attachment; filename="f.txt"
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 1707
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
H2 204 collect
region1.analytics.google.com/g/ 0
256 B 134ms
47ms Ping
text/plain 2001:4860:4802:32::36
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL: https://region1.analytics.google.com/g/collect?v=2&tid=G-Q2Y2PVZZLX&gtm=45je42s0v9111603036z8812915520za220&_p=1709271086748&_gaz=1&gcd=13l3l3l2l1&npa=1&dma_cps=sypham&dma=1&cid=898874671.1709271087&ul=en-us&sr=1600x1200&ir=1&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&pscdl=noapi&_eu=EA&_s=1&sid=1709271087&sct=1&seg=0&dl=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7&dt=Duolingo%20English%20Test&en=page_view&_fv=1&_nsi=1&_ss=1&tfd=1609
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-Q2Y2PVZZLX&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://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

pragma: no-cache
date: Fri, 01 Mar 2024 05:31:27 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://certs.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

POST
H2 204 collect
stats.g.doubleclick.net/g/ 0
56 B 144ms
49ms Ping
text/plain 2a00:1450:400c:c00::9b
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL: https://stats.g.doubleclick.net/g/collect?v=2&tid=G-Q2Y2PVZZLX&cid=898874671.1709271087&gtm=45je42s0v9111603036z8812915520za220&aip=1&dma=1&dma_cps=sypham&gcd=13l3l3l2l1&npa=1
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-Q2Y2PVZZLX&l=dataLayer&cx=c
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2a00:1450:400c:c00::9b Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

pragma: no-cache
date: Fri, 01 Mar 2024 05:31:27 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://certs.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 ga-audiences
www.google.de/ads/ 42 B
408 B 137ms
51ms Image
image/gif 2a00:1450:4001:82f::2003
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.de/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-Q2Y2PVZZLX&cid=898874671.1709271087&gtm=45je42s0v9111603036z8812915520za220&aip=1&dma=1&dma_cps=sypham&gcd=13l3l3l2l1&npa=1&z=107011899

Requested by

Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:82f::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

pragma: no-cache
date: Fri, 01 Mar 2024 05:31:27 GMT
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
H2 200 collect Show response
www.google-analytics.com/j/ 4 B
211 B 47ms
47ms XHR
text/plain 2a00:1450:4001:831::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=1503053381&t=pageview&_s=1&dl=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7&ul=en-us&de=UTF-8&dt=Duolingo%20English%20Test&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&ci=(not%20set)&cn=(not%20set)&cs=(not%20set)&cm=(not%20set)&ck=(not%20set)&cc=(not%20set)&_u=YADAAEABAAAAACAAI~&jid=2009314212&gjid=1223402189&cid=898874671.1709271087&tid=UA-21595814-2&_gid=2081540759.1709271087&_r=1&_slc=1&gtm=45He42s0n815DGPVNTv812915520za200&gcd=13l3l3l2l1&dma_cps=sypham&dma=1&npa=1&z=629503581

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:831::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

aec60bc104db041b1512185839f18f52986df7e569e5445f740dd60f763fbca8

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://certs.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/122.0.6261.94 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
date: Fri, 01 Mar 2024 05:31:27 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://certs.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: 4
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H3 200 296747484572640 Show response
connect.facebook.net/signals/config/ 53 KB
11 KB 182ms
182ms 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/296747484572640?v=2.9.147&r=stable&domain=certs.duolingo.com&hme=20c913bdcd4be51a752120153aa5caaecb3ee86c7f26cf737846e40b202aba68&ex_m=62%2C106%2C94%2C98%2C53%2C3%2C88%2C61%2C14%2C86%2C79%2C44%2C46%2C150%2C153%2C164%2C160%2C161%2C163%2C25%2C89%2C45%2C68%2C162%2C145%2C148%2C157%2C158%2C165%2C115%2C13%2C43%2C169%2C168%2C117%2C16%2C29%2C32%2C1%2C36%2C57%2C58%2C59%2C63%2C83%2C15%2C12%2C85%2C82%2C81%2C95%2C97%2C31%2C96%2C26%2C22%2C146%2C149%2C124%2C24%2C9%2C10%2C11%2C5%2C6%2C21%2C19%2C20%2C49%2C54%2C56%2C66%2C90%2C23%2C67%2C8%2C7%2C71%2C41%2C18%2C92%2C91%2C17%2C4%2C73%2C80%2C72%2C78%2C40%2C39%2C77%2C33%2C35%2C76%2C48%2C74%2C28%2C37%2C65%2C0%2C84%2C75%2C2%2C30%2C55%2C34%2C93%2C38%2C70%2C60%2C99%2C52%2C51%2C27%2C87%2C50%2C47%2C42%2C69%2C64%2C100

Requested by

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

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

Software

Resource Hash

b4375b7c6f8204b204f6f51dfeb5bcc17ecbe847014679afc75e34a256eb6354

Security Headers

Name	Value
Content-Security-Policy	default-src 'self' data: blob: facebook.net .facebook.net fbcdn.net .fbcdn.net fbsbx.com .fbsbx.com;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://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

permissions-policy-report-only: clipboard-read=(), clipboard-write=(), picture-in-picture=();report-to="permissions_policy"
content-security-policy: default-src 'self' data: blob: facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;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: Fri, 01 Mar 2024 05:31:27 GMT
document-policy: force-load-at-top
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
x-xss-protection: 0
reporting-endpoints: coop_report="https://www.facebook.com/browser_reporting/coop/?minimize=0", coep_report="https://www.facebook.com/browser_reporting/coep/?minimize=0", permissions_policy="https://www.facebook.com/ajax/browser_error_reports/"
pragma: public
x-fb-debug: HWtxMZH0TxkRTkLIipODn4jSY4L/L5rcc9v0Hvaz3QrejIm3Nwwqwhy0CA0Erpsa/er/u1+T1xurDUnadSCHeA==
cross-origin-embedder-policy-report-only: require-corp;report-to="coep_report"
cross-origin-opener-policy: same-origin-allow-popups;report-to="coop_report"
vary: Accept-Encoding
report-to: {"max_age":2592000,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/coop\/?minimize=0"}],"group":"coop_report","include_subdomains":true}, {"max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/coep\/?minimize=0"}],"group":"coep_report"}, {"max_age":21600,"endpoints":[{"url":"https:\/\/www.facebook.com\/ajax\/browser_error_reports\/"}],"group":"permissions_policy"}
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=(), autoplay=(), bluetooth=(), camera=(), display-capture=(), encrypted-media=(), fullscreen=(self), gamepad=(), geolocation=(), gyroscope=(), hid=(), idle-detection=(), keyboard-map=(), local-fonts=(), magnetometer=(), microphone=(), midi=(), otp-credentials=(), payment=(), publickey-credentials-get=(), screen-wake-lock=(), serial=(), usb=(), window-management=(), xr-spatial-tracking=();report-to="permissions_policy"
timing-allow-origin: *
priority: u=3,i
expires: Sat, 01 Jan 2000 00:00:00 GMT

POST
H2 200 collect Show response
stats.g.doubleclick.net/j/ 4 B
351 B 70ms
47ms XHR
text/plain 2a00:1450:400c:c00::9b
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j101&tid=UA-21595814-2&cid=898874671.1709271087&jid=2009314212&gjid=1223402189&_gid=2081540759.1709271087&npa=1&_u=YADAAEAAAAAAACAAI~&z=1161435636

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:400c:c00::9b Brussels, Belgium, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

84e01419bd81f32ac6df0f75f49c604fda9172000a3ae432b3c47b2a6a712d80

Security Headers

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

Request headers

Referer: https://certs.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/122.0.6261.94 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
strict-transport-security: max-age=10886400; includeSubDomains; preload
date: Fri, 01 Mar 2024 05:31:27 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://certs.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: 4
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 DINNextRoundedLTPro-Regular.woff2
d23cwzsbkjbm45.cloudfront.net/static/fonts/din/ 28 KB
29 KB 51ms
50ms Font
application/octet-stream 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/fonts/din/DINNextRoundedLTPro-Regular.woff2
Requested by: Host: d23cwzsbkjbm45.cloudfront.net
URL: https://d23cwzsbkjbm45.cloudfront.net/static/css/main_testcenter_9b2ef6417662719dae68.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 7c79516b77a39ed17ad76e32e68901b2ad0f9f2ceaf96c2571c8e50fc9b0b15d

Request headers

Referer: https://d23cwzsbkjbm45.cloudfront.net/static/css/main_testcenter_9b2ef6417662719dae68.css
Origin: https://certs.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/122.0.6261.94 Safari/537.36

Response headers

date: Fri, 01 Mar 2024 02:26:16 GMT
content-encoding: gzip
via: 1.1 b912dc97777020eb19579888add26978.cloudfront.net (CloudFront)
x-amz-version-id: null
x-amz-cf-pop: FRA50-C1
age: 11112
x-cache: Hit from cloudfront
content-length: 28895
last-modified: Fri, 21 Feb 2020 18:52:09 GMT
server: AmazonS3
etag: "24dcedd8ee7b6be9f33b34930c246b5f"
vary: Origin,Access-Control-Request-Headers,Access-Control-Request-Method, Origin
content-type: application/octet-stream
access-control-allow-origin: https://certs.duolingo.com
cache-control: public, max-age=86400
access-control-allow-credentials: true
accept-ranges: bytes
x-amz-cf-id: na69HpRuD3dE6LemSxZBA-msyGPOOpxjSzVZ46DzCCa-aXNi70ZcNQ==
expires: Sat, 22 Feb 2020 18:52:08

GET
H2 200 loader_v3.8.3.js Show response
fpnpmcdn.net/v3/udpwcl7kbwyZYhUVBT4t/ 131 KB
47 KB 139ms
44ms Script
text/javascript 18.245.31.41
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://fpnpmcdn.net/v3/udpwcl7kbwyZYhUVBT4t/loader_v3.8.3.js

Requested by

Host: d23cwzsbkjbm45.cloudfront.net
URL: https://d23cwzsbkjbm45.cloudfront.net/static/js/4579_testcenter_809de938bf2fa29dfa81.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

18.245.31.41 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

server-18-245-31-41.fra56.r.cloudfront.net

Software

CloudFront /

Resource Hash

95b91469617a7d49759c2f8ccd022d09c55e48b5f6f67d2476cbe4c024a92129

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

strict-transport-security: max-age=63072000; includeSubDomains; preload
content-encoding: gzip
x-content-type-options: nosniff
date: Sun, 25 Feb 2024 03:35:04 GMT
via: 1.1 851fdca2e1873274a995295ecd94732e.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-P8
age: 438983
x-cache: Hit from cloudfront
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
server: CloudFront
etag: W/"mGkoUx+cyCz0Gnj2r38kVtct6/c"
vary: Accept-Encoding
content-type: text/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: public, max-age=3465, s-maxage=626284
timing-allow-origin: *
x-amz-cf-id: -IZTRlLZ1bhiRrhR_NP75nnYMkwrkQiiwLDB6XYoX3b2WxGgCmlgoQ==

GET
H2 200 ga-audiences
www.google.com/ads/ 42 B
408 B 141ms
50ms Image
image/gif 2a00:1450:4001:830::2004
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.com/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j101&tid=UA-21595814-2&cid=898874671.1709271087&jid=2009314212&npa=1&_u=YADAAEAAAAAAACAAI~&z=1784715727

Requested by

Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

pragma: no-cache
date: Fri, 01 Mar 2024 05:31:27 GMT
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 ga-audiences
www.google.de/ads/ 42 B
107 B 50ms
50ms Image
image/gif 2a00:1450:4001:82f::2003
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.de/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j101&tid=UA-21595814-2&cid=898874671.1709271087&jid=2009314212&npa=1&_u=YADAAEAAAAAAACAAI~&z=1784715727

Requested by

Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:82f::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

pragma: no-cache
date: Fri, 01 Mar 2024 05:31:27 GMT
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 7ed849c6396edac2bb15.svg
d23cwzsbkjbm45.cloudfront.net/static/images/wp/ 256 B
815 B 425ms
424ms Image
image/svg+xml 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/images/wp/7ed849c6396edac2bb15.svg
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: f3f6b2b26e7b0b0205e5b477f987d308a82b922c2a7ef59f4c445d14b8c67a0f

Request headers

Referer: https://certs.duolingo.com/
Origin: https://certs.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/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: hqD31WiGDNUNU3WkxLoA1mkPPpIEshI4
content-encoding: gzip
via: 1.1 b912dc97777020eb19579888add26978.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:28 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: RefreshHit from cloudfront
content-length: 204
last-modified: Fri, 01 Mar 2024 02:13:52 GMT
server: AmazonS3
etag: "9900056388dbf8a0a2a5f273a223009c"
vary: Origin,Access-Control-Request-Headers,Access-Control-Request-Method, Origin
content-type: image/svg+xml
access-control-allow-origin: https://certs.duolingo.com
cache-control: public, max-age=1 day, 0:00:00
access-control-allow-credentials: true
accept-ranges: bytes
x-amz-cf-id: GdsP72WLiRNGCoJBMuTIJQ80eEcEER19f9aCY4D_aqHmijpAKXJ2-g==
expires: Sat, 02 Mar 2024 02:13:51 GMT

GET
H2 200 DINNextRoundedLTPro-Bold.woff2
d23cwzsbkjbm45.cloudfront.net/static/fonts/din/ 29 KB
29 KB 56ms
56ms Font
application/octet-stream 143.204.98.75
AMAZON-02

General

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Show headers Download Go to

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/fonts/din/DINNextRoundedLTPro-Bold.woff2
Requested by: Host: d23cwzsbkjbm45.cloudfront.net
URL: https://d23cwzsbkjbm45.cloudfront.net/static/css/main_testcenter_9b2ef6417662719dae68.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: c3a85d4e2cb999d449c07d10be28517b4ff3817f9127debb5c6f7711de1efcd4

Request headers

Referer: https://d23cwzsbkjbm45.cloudfront.net/static/css/main_testcenter_9b2ef6417662719dae68.css
Origin: https://certs.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/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: null
content-encoding: gzip
via: 1.1 b912dc97777020eb19579888add26978.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:27 GMT
x-amz-cf-pop: FRA50-C1
age: 130
x-cache: Hit from cloudfront
content-length: 29527
last-modified: Fri, 21 Feb 2020 18:52:09 GMT
server: AmazonS3
etag: "c7df856e0a64a2bfcbd1746ff286daf7"
vary: Origin,Access-Control-Request-Headers,Access-Control-Request-Method, Origin
content-type: application/octet-stream
access-control-allow-origin: https://certs.duolingo.com
cache-control: public, max-age=86400
access-control-allow-credentials: true
accept-ranges: bytes
x-amz-cf-id: p9smyKcd_gTs5FAu9zIPnL4XflDSMCnTWwrDnCIhlEa6YLafyPHcuQ==
expires: Sat, 22 Feb 2020 18:52:08

GET
H2 200 b531189394e9793a7a91.svg
d23cwzsbkjbm45.cloudfront.net/static/images/wp/ 456 B
685 B 45ms
44ms Image
image/svg+xml 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/images/wp/b531189394e9793a7a91.svg
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 622370f909ffea9dec3308e3fad2ca70cea99a04ba336f6103a722038476b184

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: XdjnNE.Efn6.MBdc6LToGe9kyyHezzQn
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:27 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 202
last-modified: Fri, 01 Mar 2024 02:13:54 GMT
server: AmazonS3
etag: "f83edf24798c7a964576cd53dcc33327"
vary: Origin
content-type: image/svg+xml
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: 3GZDDQ108ps5UHNJvHgO09iopJGMwJVsZggLuC5vCmB2QHcAvntZaA==
expires: Sat, 02 Mar 2024 02:13:53 GMT

GET
H2 200 557e9cb1ce105779cdb5.svg
d23cwzsbkjbm45.cloudfront.net/static/images/wp/ 27 KB
11 KB 47ms
46ms Image
image/svg+xml 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/images/wp/557e9cb1ce105779cdb5.svg
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 1321a2e4832ad65fb54720821bf7cbcea3b69e580999cafefeef54f682c0649a

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: A_SM2UypRM7q_0R4MGxtN21Jzj0pvum4
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:27 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 10853
last-modified: Fri, 01 Mar 2024 02:13:53 GMT
server: AmazonS3
etag: "43c3b766e5868ec71d11708977eac739"
vary: Origin
content-type: image/svg+xml
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: Wez1voHcmT1QmzyHnFUk8MNsOZVOQGZZlcokJW2m0sdrVaRHmXpetQ==
expires: Sat, 02 Mar 2024 02:13:52 GMT

GET
H2 200 7ed849c6396edac2bb15.svg
d23cwzsbkjbm45.cloudfront.net/static/images/wp/ 256 B
686 B 46ms
45ms Image
image/svg+xml 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/images/wp/7ed849c6396edac2bb15.svg
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: f3f6b2b26e7b0b0205e5b477f987d308a82b922c2a7ef59f4c445d14b8c67a0f

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: hqD31WiGDNUNU3WkxLoA1mkPPpIEshI4
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:27 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 204
last-modified: Fri, 01 Mar 2024 02:13:52 GMT
server: AmazonS3
etag: "9900056388dbf8a0a2a5f273a223009c"
vary: Origin
content-type: image/svg+xml
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: GvIFIFEq2PbHB_KhzWbg-UcZ1ca-seDR-weKznFTXoCmSoBGecMb8w==
expires: Sat, 02 Mar 2024 02:13:51 GMT

GET
H2 200 d6404c2bb0afe8d9d39c.svg
d23cwzsbkjbm45.cloudfront.net/static/images/wp/ 233 B
673 B 427ms
426ms Image
image/svg+xml 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/images/wp/d6404c2bb0afe8d9d39c.svg
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 7c77cde23a9aae1996ea2a0a918ca54834ca0eac2a6348a27badaf61df8e05fa

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: ZLNfT_fwnq_wqBCYEjHeTr6YRc621o0v
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:28 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: RefreshHit from cloudfront
content-length: 186
last-modified: Fri, 01 Mar 2024 02:13:51 GMT
server: AmazonS3
etag: "0974c1f1bc30f9c7f693d5e20509cbd0"
vary: Origin
content-type: image/svg+xml
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: cSZnDxil_VRCmkvmFtbFfbQOgI0mBQPwdDu1fQanH3t6-woWNqX7bQ==
expires: Sat, 02 Mar 2024 02:13:50 GMT

GET
H2 200 7dc94e8da52862112cf5.svg
d23cwzsbkjbm45.cloudfront.net/static/images/wp/ 667 B
859 B 49ms
48ms Image
image/svg+xml 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/images/wp/7dc94e8da52862112cf5.svg
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: aaf64fdaa47a2d07bf9008380f241a93b3b2e2ac507a7062e76e8c17f5fedf64

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: fuvi_iWvMdV8YtBz_rBVloH8HVKaYcaZ
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:27 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 376
last-modified: Fri, 01 Mar 2024 02:13:53 GMT
server: AmazonS3
etag: "738f9df6561a130096b618f7a5616ffc"
vary: Origin
content-type: image/svg+xml
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: YxyrR7QCk3OaZ7ye0mLLeg9IFFSL8JGkIln1bRsMv60RXCStGldscQ==
expires: Sat, 02 Mar 2024 02:13:52 GMT

GET
H2 200 9d51246d207d8fb680cb.svg
d23cwzsbkjbm45.cloudfront.net/static/images/wp/ 2 KB
1 KB 49ms
49ms Image
image/svg+xml 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/images/wp/9d51246d207d8fb680cb.svg
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: ec330a1d3027cfb061011962b1365c28eedf4f151177acd5fc0628c8226f8eba

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: 7eCryv4zCXkDXU3kXKMtMjXgE9sIy0Rq
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:27 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 696
last-modified: Fri, 01 Mar 2024 02:13:54 GMT
server: AmazonS3
etag: "f7788b05e05728fc79809ab1b134106d"
vary: Origin
content-type: image/svg+xml
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: W4iYayJG_i3QcRrhLrvKwWLyCNEYEUCW1ofgsZszLiHI_qJFtqVgAA==
expires: Sat, 02 Mar 2024 02:13:53 GMT

GET
H2 200 189749344f97b6b46dc9.svg
d23cwzsbkjbm45.cloudfront.net/static/images/wp/ 1 KB
1 KB 425ms
425ms Image
image/svg+xml 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/images/wp/189749344f97b6b46dc9.svg
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: dfec597649460140f39f955d4a8451b2f82a4e085cddfbf13387f2fd7d966e13

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: 5vAzFOjcpamjh90OAkZIIdPTz1t6AMjo
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:28 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: RefreshHit from cloudfront
content-length: 622
last-modified: Fri, 01 Mar 2024 02:13:52 GMT
server: AmazonS3
etag: "4a70308391441c3291c3967f0c47346f"
vary: Origin
content-type: image/svg+xml
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: EgihBRhw-FnO9C7bxKEDEXEnWtCsZSrQMCJXQSAZlKXId3OQJBfKWA==
expires: Sat, 02 Mar 2024 02:13:51 GMT

GET
H2 200 04e779ccd280d7cf731f.svg
d23cwzsbkjbm45.cloudfront.net/static/images/wp/ 696 B
896 B 49ms
48ms Image
image/svg+xml 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/images/wp/04e779ccd280d7cf731f.svg
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 6e5f58f250fdb13a4a2b976f3148bb6ad2fe840b2623bad5f3853fd0cbd2be3a

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: 4I21mHq7hRJA3ErooZ39DEAd5nAhyMDB
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:27 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 413
last-modified: Fri, 01 Mar 2024 02:13:52 GMT
server: AmazonS3
etag: "e2118fcfe2fc2c3096280f7bfe7bc9c4"
vary: Origin
content-type: image/svg+xml
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: rJZRJbEBvGa_DpBgY6BzXh5huJxOSDaJznkF6gKIbrBRb1hjbzFSOg==
expires: Sat, 02 Mar 2024 02:13:51 GMT

GET
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d23cwzsbkjbm45.cloudfront.net/static/images/wp/ 2 KB
1 KB 46ms
46ms Image
image/svg+xml 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/images/wp/b5faa850eeae8408ff66.svg
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 4e1f27b9aea6104cea090ac1a5a5a830d422aed584d33f6ee68417aeb9d6ac20

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: EkZgLquRu1t17SgxC0bWd4chjOfQFjG1
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:27 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
content-length: 653
last-modified: Fri, 01 Mar 2024 02:13:54 GMT
server: AmazonS3
etag: "ee8b1a120012f12b164f7bdcb5574219"
vary: Origin
content-type: image/svg+xml
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: zMGjfaPGZ2lqLNAIJT6oTkEOx2odDi9FpqkO64kU8Z02b_2YOoODqw==
expires: Sat, 02 Mar 2024 02:13:53 GMT

GET
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adservice.google.com/ddm/fls/z/ Frame 2F39 42 B
401 B 174ms
76ms Image
image/gif 2a00:1450:4001:828::2002
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://adservice.google.com/ddm/fls/z/dc_pre=CIfK8f-q0oQDFZvROwIdldgM0Q;src=12371249;type=invmedia;cat=theco0;ord=694139241100;npa=1;auiddc=*;pscdl=noapi;gtm=45fe42s0z8812915520za201;gcd=13l3l3l2l1;dma_cps=sypham;dma=1;uaa=;uab=;uafvl=;uamb=0;uam=;uap=;uapv=;uaw=0;epver=2;~oref=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7

Requested by

Host: 12371249.fls.doubleclick.net
URL: https://12371249.fls.doubleclick.net/activityi;dc_pre=CIfK8f-q0oQDFZvROwIdldgM0Q;src=12371249;type=invmedia;cat=theco0;ord=694139241100;npa=1;auiddc=614813584.1709271087;pscdl=noapi;gtm=45fe42s0z8812915520za201;gcd=13l3l3l2l1;dma_cps=sypham;dma=1;uaa=;uab=;uafvl=;uamb=0;uam=;uap=;uapv=;uaw=0;epver=2;~oref=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7?

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:828::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://12371249.fls.doubleclick.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

pragma: no-cache
date: Fri, 01 Mar 2024 05:31:27 GMT
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H3

200

/
www.google.de/pagead/1p-conversion/11292899172/
Redirect Chain

https://googleads.g.doubleclick.net/pagead/viewthroughconversion/11292899172/?random=322406239&cv=11&fst=1709271087183&bg=ffffff&guid=ON&async=1&gtm=45be42s0v9138253470z8812915520za201&gcd=13l3l3l2...
https://www.google.com/pagead/1p-conversion/11292899172/?random=322406239&cv=11&fst=1709271087183&bg=ffffff&guid=ON&async=1&gtm=45be42s0v9138253470z8812915520za201&gcd=13l3l3l2l1&dma_cps=sypham&dma...
https://www.google.de/pagead/1p-conversion/11292899172/?random=322406239&cv=11&fst=1709271087183&bg=ffffff&guid=ON&async=1&gtm=45be42s0v9138253470z8812915520za201&gcd=13l3l3l2l1&dma_cps=sypham&dma=...

42 B
64 B

57ms
56ms

Image
image/gif

2a00:1450:4001:82f::2003
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.de/pagead/1p-conversion/11292899172/?random=322406239&cv=11&fst=1709271087183&bg=ffffff&guid=ON&async=1&gtm=45be42s0v9138253470z8812915520za201&gcd=13l3l3l2l1&dma_cps=sypham&dma=1&u_w=1600&u_h=1200&url=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7&label=MsqZCNrf588YEOTu74gq&hn=www.googleadservices.com&frm=0&tiba=Duolingo%20English%20Test&value=0&npa=1&pscdl=noapi&auid=614813584.1709271087&uamb=0&uaw=0&fmt=3&ct_cookie_present=false&sscte=1&crd=COy7sQII4b2xAg&pscrd=Ek5DaEVJZ1BPQXJ3WVFvZGVZblpIV3BZZTBBUklsQUVtdEhCcUJyWThtXzMzN21aREVvdTV4QUJSZmp0aTB2bnFndDhwelRTSFlHOUhMbWcaWENoRUlnUE9BcndZUXhOX0QxOXFqcWJ1MUFSSXRBSVNEaWRmSzRRamhtUmNMNnRCM09qa0ZmNC0tcENCMHQtc0dkaGNKUEtyOF9NUm9rOFJPeDB2ampNNlgiEwjC3u__qtKEAxU2SB0JHW-NAv0yAggDMgIIBDICCAcyAggIMgIICTICCAoyAggCMgIICw&is_vtc=1&cid=CAQSKQB7FLtqxd4IRVw7W5VgXW9-PDGIn593fFpjfzquah2Y2LcNHwbKetFu&eitems=ChAIgPOArwYQlM2O1ZON4NoQEh0A67BuL0DTrBcHEw66duZrP1ys20JSAtXgCX27qg&random=3682779484&ipr=y

Requested by

Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7

Protocol

Server

2a00:1450:4001:82f::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

pragma: no-cache
date: Fri, 01 Mar 2024 05:31:27 GMT
content-security-policy: script-src 'none'; object-src 'none'
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

pragma: no-cache
date: Fri, 01 Mar 2024 05:31:27 GMT
content-security-policy: script-src 'none'; object-src 'none'
x-content-type-options: nosniff
server: cafe
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
location: https://www.google.de/pagead/1p-conversion/11292899172/?random=322406239&cv=11&fst=1709271087183&bg=ffffff&guid=ON&async=1&gtm=45be42s0v9138253470z8812915520za201&gcd=13l3l3l2l1&dma_cps=sypham&dma=1&u_w=1600&u_h=1200&url=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7&label=MsqZCNrf588YEOTu74gq&hn=www.googleadservices.com&frm=0&tiba=Duolingo%20English%20Test&value=0&npa=1&pscdl=noapi&auid=614813584.1709271087&uamb=0&uaw=0&fmt=3&ct_cookie_present=false&sscte=1&crd=COy7sQII4b2xAg&pscrd=Ek5DaEVJZ1BPQXJ3WVFvZGVZblpIV3BZZTBBUklsQUVtdEhCcUJyWThtXzMzN21aREVvdTV4QUJSZmp0aTB2bnFndDhwelRTSFlHOUhMbWcaWENoRUlnUE9BcndZUXhOX0QxOXFqcWJ1MUFSSXRBSVNEaWRmSzRRamhtUmNMNnRCM09qa0ZmNC0tcENCMHQtc0dkaGNKUEtyOF9NUm9rOFJPeDB2ampNNlgiEwjC3u__qtKEAxU2SB0JHW-NAv0yAggDMgIIBDICCAcyAggIMgIICTICCAoyAggCMgIICw&is_vtc=1&cid=CAQSKQB7FLtqxd4IRVw7W5VgXW9-PDGIn593fFpjfzquah2Y2LcNHwbKetFu&eitems=ChAIgPOArwYQlM2O1ZON4NoQEh0A67BuL0DTrBcHEw66duZrP1ys20JSAtXgCX27qg&random=3682779484&ipr=y
content-type: image/gif
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 data Show response
certs.duolingo.com/certificates/ 589 B
898 B 407ms
407ms Fetch
application/json 34.192.1.138
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://certs.duolingo.com/certificates/data?alias=169b61ba17ae58bbbed9cf2b0ba44fb7
Requested by: Host: d23cwzsbkjbm45.cloudfront.net
URL: https://d23cwzsbkjbm45.cloudfront.net/static/js/4579_testcenter_809de938bf2fa29dfa81.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.192.1.138 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-192-1-138.compute-1.amazonaws.com
Software: duo-api /
Resource Hash: 17edfcd96b8af9197872d9e4227cacd5f67708ad0c00f69ec7526923a26bb66e

Request headers

accept: application/json
Referer: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
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/122.0.6261.94 Safari/537.36

Response headers

x-duo-request-host: certs.duolingo.com
date: Fri, 01 Mar 2024 05:31:27 GMT
content-encoding: gzip
x-envoy-upstream-service-time: 284
server: duo-api
content-length: 419
content-type: application/json

GET
H2 200 /
www.facebook.com/tr/ 0
185 B 121ms
40ms Image
text/plain 2a03:2880:f176:181:face:b00c:0:25de
FACEBOOK

General

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Show headers Download Go to Show image

Full URL

https://www.facebook.com/tr/?id=296747484572640&ev=PageView&dl=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7&rl=&if=false&ts=1709271087573&sw=1600&sh=1200&v=2.9.147&r=stable&ec=0&o=4126&fbp=fb.1.1709271087572.2041943839&ler=empty&cdl=API_unavailable&it=1709271087249&coo=false&exp=e1&rqm=GET

Requested by

Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a03:2880:f176:181: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://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

strict-transport-security: max-age=31536000; includeSubDomains
date: Fri, 01 Mar 2024 05:31:27 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
H2 200 343094589.js Show response
bat.bing.com/p/action/ 4 KB
2 KB 65ms
64ms Script
application/javascript 2620:1ec:c11::200
MICROSOFT-CORP-MS...

General

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Show headers Download Go to

Full URL

https://bat.bing.com/p/action/343094589.js

Requested by

Host: bat.bing.com
URL: https://bat.bing.com/bat.js

Protocol

Security

TLS 1.3, , AES_256_GCM

Server

2620:1ec:c11::200 , United States, ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US),

Reverse DNS

Software

Resource Hash

81f64b328d81e4cea5b1366f1518dc75e50bf9c494ef2bb393e07ed8a5288293

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

strict-transport-security: max-age=31536000; includeSubDomains; preload
content-encoding: br
date: Fri, 01 Mar 2024 05:31:27 GMT
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 09FD27895EFC4B67B3BB36040529036F Ref B: FRA31EDGE0219 Ref C: 2024-03-01T05:31:27Z
vary: Accept-Encoding
x-cache: CONFIG_NOCACHE
content-type: application/javascript; charset=utf-8
cache-control: private,max-age=60

GET
H2 204 0
bat.bing.com/action/ 0
286 B 101ms
101ms Image
text/plain 2620:1ec:c11::200
MICROSOFT-CORP-MS...

General

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Show headers Download Go to Show image

Full URL

https://bat.bing.com/action/0?ti=343094589&Ver=2&mid=01b19c65-e021-48ca-9a7c-e67bf300648b&sid=f3810f40d78c11eeb18779a6243319ca&vid=f3813a10d78c11ee871b09862216dda0&vids=1&msclkid=N&pi=1200101525&lg=en-US&sw=1600&sh=1200&sc=24&tl=Duolingo%20English%20Test&p=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7&r=&lt=1147&evt=pageLoad&sv=1&rn=460353

Requested by

Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7

Protocol

Security

TLS 1.3, , AES_256_GCM

Server

2620:1ec:c11::200 , United States, ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US),

Reverse DNS

Software

Resource Hash

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

pragma: no-cache
strict-transport-security: max-age=31536000; includeSubDomains; preload
date: Fri, 01 Mar 2024 05:31:27 GMT
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: C9B7E50E58B8466F80701A6CCA3DB507 Ref B: FRA31EDGE0219 Ref C: 2024-03-01T05:31:27Z
x-cache: CONFIG_NOCACHE
access-control-allow-origin: *
cache-control: no-cache, must-revalidate
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 59052de6c9e1fcbf2c47.svg
d23cwzsbkjbm45.cloudfront.net/static/images/wp/ 5 KB
3 KB 456ms
456ms Image
image/svg+xml 143.204.98.75
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/images/wp/59052de6c9e1fcbf2c47.svg
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 374a290da3ab99e7b397be87132dc9979edd1313be8a87203bb044e01be013d1

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: llElVwP9.YqLG_xT05.n_z26LgE11rVF
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:28 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: RefreshHit from cloudfront
content-length: 2458
last-modified: Fri, 01 Mar 2024 02:13:52 GMT
server: AmazonS3
etag: "e7605c54af685c729c0dd0c64aca53c2"
vary: Origin
content-type: image/svg+xml
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: oosGl5rkWrMN1wSA2NPLcIMjJFk_z8IRR4J8yMYdQczzxkSyXEbTUQ==
expires: Sat, 02 Mar 2024 02:13:51 GMT

GET
H2 200 343094589 Show response
www.clarity.ms/tag/uet/ 840 B
1 KB 303ms
141ms Script
application/x-javascript 2620:1ec:46::45
MICROSOFT-CORP-MS...

General

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Full URL: https://www.clarity.ms/tag/uet/343094589?insights=1
Requested by: Host: bat.bing.com
URL: https://bat.bing.com/p/action/343094589.js
Protocol: H2
Security: TLS 1.3, , AES_256_GCM
Server: 2620:1ec:46::45 , United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software: /
Resource Hash: db7dbf2619948e71eeea3dcdc1b7345dd05121cf7502164aed375b3f22636b07

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

expires: -1
date: Fri, 01 Mar 2024 05:31:27 GMT
x-azure-ref: 20240301T053127Z-98s0ymxvw52d1dwdbs5gcqhvg00000000a5g0000000036ma
x-cache: CONFIG_NOCACHE
content-type: application/x-javascript
cache-control: no-cache, no-store
accept-ranges: bytes
content-length: 840
request-context: appId=cid-v1:593e4080-f032-4d00-a652-e17f01252a9d

GET
H2 200 qAo6p Show response
api.fpjs.io/xridvya/ 96 B
447 B 393ms
132ms XHR
text/plain 76.223.60.10
AMAZON-02

General

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Show headers Download Go to

Full URL

https://api.fpjs.io/xridvya/qAo6p?q=udpwcl7kbwyZYhUVBT4t

Requested by

Host: d23cwzsbkjbm45.cloudfront.net
URL: https://d23cwzsbkjbm45.cloudfront.net/static/js/4579_testcenter_809de938bf2fa29dfa81.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

76.223.60.10 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

a46a250059e296ddb.awsglobalaccelerator.com

Software

Resource Hash

011beaf81bd9594d432427681f093afab0d0779c762197261b8588d0e0878993

Security Headers

Name	Value
Content-Security-Policy	default-src 'none'; frame-ancestors 'none'
Strict-Transport-Security	max-age=63072000
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Fri, 01 Mar 2024 05:31:27 GMT
content-security-policy: default-src 'none'; frame-ancestors 'none'
referrer-policy: no-referrer
strict-transport-security: max-age=63072000
x-content-type-options: nosniff
x-frame-options: DENY
content-type: text/plain; charset=utf-8
access-control-allow-origin: *
access-control-expose-headers: Retry-After
cache-control: max-age=31536000, immutable, private
timing-allow-origin: *
x-robots-tag: noindex
content-length: 96

GET
H2 200 clarity.js Show response
www.clarity.ms/s/0.7.22/ 60 KB
25 KB 86ms
86ms Script
application/javascript 2620:1ec:46::45
MICROSOFT-CORP-MS...

General

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Show headers Download Go to

Full URL: https://www.clarity.ms/s/0.7.22/clarity.js
Requested by: Host: www.clarity.ms
URL: https://www.clarity.ms/tag/uet/343094589?insights=1
Protocol: H2
Security: TLS 1.3, , AES_256_GCM
Server: 2620:1ec:46::45 , United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software: /
Resource Hash: 3a582829e2c11dde7e02e0952effb8a8b97770c95705e03ecc82f848cb8684fd

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Fri, 01 Mar 2024 05:31:27 GMT
content-encoding: br
last-modified: Thu, 29 Feb 2024 15:07:22 GMT
etag: W/"0x8DC39382173A2DD"
vary: Accept-Encoding
x-azure-ref: 20240301T053127Z-98s0ymxvw52d1dwdbs5gcqhvg00000000a5g0000000036n2
content-type: application/javascript;charset=utf-8
access-control-allow-origin: *
x-ms-request-id: 591b6c39-101e-0065-0a38-6b809f000000
cache-control: public, max-age=86400
x-cache: TCP_HIT
x-ms-version: 2018-03-28
x-fd-int-roxy-purgeid: 51562430

GET
H2 200 auto_tracking_properties Show response
certs.duolingo.com/api/web/ 67 B
559 B 144ms
144ms XHR
application/json 34.192.1.138
AMAZON-AES

General

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Show headers Download Go to

Full URL: https://certs.duolingo.com/api/web/auto_tracking_properties?_=1709271087366
Requested by: Host: d23cwzsbkjbm45.cloudfront.net
URL: https://d23cwzsbkjbm45.cloudfront.net/static/js/4579_testcenter_809de938bf2fa29dfa81.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.192.1.138 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-192-1-138.compute-1.amazonaws.com
Software: duo-api /
Resource Hash: 86bb7b69c33eaf442f786dfe0fe6ffc4d4630ac20dc6bfe376a64b44b2c17968

Request headers

Accept: */*
Referer: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
X-Requested-With: XMLHttpRequest
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/122.0.6261.94 Safari/537.36

Response headers

x-duo-request-host: certs.duolingo.com
date: Fri, 01 Mar 2024 05:31:28 GMT
content-encoding: gzip
x-envoy-upstream-service-time: 20
server: duo-api
content-length: 83
content-type: application/json

GET
H2 200 ic-print-results.svg
d23cwzsbkjbm45.cloudfront.net/static/images/testcenter/certificate/ 568 B
747 B 41ms
40ms Image
image/svg+xml 143.204.98.75
AMAZON-02

General

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Show headers Download Go to Show image

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/images/testcenter/certificate/ic-print-results.svg
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: 89c16396210c8ebbcc3d1592f7c1afbfa9891d524f2d458c029d65b5417f4830

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: null
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Thu, 29 Feb 2024 06:04:22 GMT
x-amz-cf-pop: FRA50-C1
age: 84884
x-cache: Hit from cloudfront
content-length: 324
last-modified: Thu, 20 Aug 2020 16:43:16 GMT
server: AmazonS3
etag: "0f15d08e3c7423af5ee315606c5d6b6d"
vary: Origin
content-type: image/svg+xml
cache-control: public, max-age=86400
accept-ranges: bytes
x-amz-cf-id: RHiyODq0Z5KQx745PZ7oHTzAhETVX896wjQ6Bcu_RyyvcH75QZ5aMA==
expires: Fri, 21 Aug 2020 16:43:15

GET
H/1.1 200
OK face.jpg
duolingo-certifications-data.oss-accelerate.aliyuncs.com/certificates/169b61ba17ae58bbbed9cf2b0ba44fb7/ 115 KB
116 KB 2984ms
363ms Image
image/jpeg 47.254.187.131
ALIBABA-CN-NET Al...

General

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Show headers Download Go to Show image

Full URL: https://duolingo-certifications-data.oss-accelerate.aliyuncs.com/certificates/169b61ba17ae58bbbed9cf2b0ba44fb7/face.jpg?OSSAccessKeyId=LTAI5tQrxt2U1ju1Bg3MvoUT&Expires=1709314287&Signature=7CbEbOzcnBrO%2FuJaGzY4xzeuQfM%3D
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 47.254.187.131 Frankfurt am Main, Germany, ASN45102 (ALIBABA-CN-NET Alibaba US Technology Co., Ltd., CN),
Reverse DNS
Software: AliyunOSS /
Resource Hash: d69794ec3532e1219e9eabb5a344211b07496e2e8297a9eb8db1b16f5ef49c68

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

Date: Fri, 01 Mar 2024 05:31:30 GMT
x-oss-request-id: 65E168321C2B52F791E2D141
Content-MD5: OQrsLUiWQ721wYqwHg4uXw==
Content-Disposition: attachment
Connection: keep-alive
Content-Length: 118147
x-oss-object-type: Normal
Last-Modified: Wed, 27 Jul 2022 18:29:05 GMT
Server: AliyunOSS
x-oss-server-side-encryption: AES256
ETag: "390AEC2D489643BDB5C18AB01E0E2E5F"
x-oss-version-id: CAEQORiBgMDT6NaDkhgiIGUzYTI5MzdiNjY4YzRkMTVhNWUzYmJmYTBiODk5NTg3
Content-Type: image/jpeg
x-oss-ec: 0048-00000103
x-oss-force-download: true
x-oss-storage-class: Standard
Accept-Ranges: bytes
x-oss-hash-crc64ecma: 12587181474001286163
x-oss-server-time: 115

GET
H2 200 ic-cert-lock.svg
d23cwzsbkjbm45.cloudfront.net/static/images/testcenter/certificate/ 664 B
806 B 42ms
41ms Image
image/svg+xml 143.204.98.75
AMAZON-02

General

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Show headers Download Go to Show image

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/images/testcenter/certificate/ic-cert-lock.svg
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: d05b640c473ed9bae3a7ddaf5596b0428fa4e99c57752ae7cf6ed8b1f5328503

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: null
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 02:26:17 GMT
x-amz-cf-pop: FRA50-C1
age: 11112
x-cache: Hit from cloudfront
content-length: 375
last-modified: Thu, 20 Aug 2020 16:43:16 GMT
server: AmazonS3
etag: "e7a9b0bc9b9f477c99a3b50c20dba14f"
vary: Origin
content-type: image/svg+xml
cache-control: public, max-age=86400
accept-ranges: bytes
x-amz-cf-id: rKOJ3vxRRoa_ARGN_WJDrpbDOJQkgWeA_cez4NWJsfmO1Hd_0BP13g==
expires: Fri, 21 Aug 2020 16:43:15

GET
H2 200 cea9d9ec97e008b56579.svg
d23cwzsbkjbm45.cloudfront.net/static/images/wp/ 18 KB
8 KB 425ms
424ms Image
image/svg+xml 143.204.98.75
AMAZON-02

General

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Show headers Download Go to Show image

Full URL: https://d23cwzsbkjbm45.cloudfront.net/static/images/wp/cea9d9ec97e008b56579.svg
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.98.75 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-98-75.fra50.r.cloudfront.net
Software: AmazonS3 /
Resource Hash: ab956358b5ef6deac98c3da9172b2e3fefa31709f9c16a9997aa86301292b772

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

x-amz-version-id: RL89qftOGvbVwHN3rrn09KtAPJpRj1At
content-encoding: gzip
via: 1.1 32c8da10203574baccb74b8f771a7ffa.cloudfront.net (CloudFront)
date: Fri, 01 Mar 2024 05:31:29 GMT
x-amz-cf-pop: FRA50-C1
x-amz-server-side-encryption: AES256
x-cache: RefreshHit from cloudfront
content-length: 7746
last-modified: Fri, 01 Mar 2024 02:13:52 GMT
server: AmazonS3
etag: "4bcc8b402acd8e8feeb7e11c4a177d3d"
vary: Origin
content-type: image/svg+xml
cache-control: public, max-age=1 day, 0:00:00
accept-ranges: bytes
x-amz-cf-id: WHITSIeTkCRgkXRyBbQVchBpnchkHaA_H81VdaHcK42wHZj4OQqt9Q==
expires: Sat, 02 Mar 2024 02:13:51 GMT

POST
H2 200 batch Show response
excess.duolingo.com/ 34 B
311 B 134ms
134ms XHR
text/plain 44.219.6.223
AMAZON-AES

General

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Show headers Download Go to

Full URL: https://excess.duolingo.com/batch
Requested by: Host: d23cwzsbkjbm45.cloudfront.net
URL: https://d23cwzsbkjbm45.cloudfront.net/static/js/4579_testcenter_809de938bf2fa29dfa81.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 44.219.6.223 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-44-219-6-223.compute-1.amazonaws.com
Software: Jetty(9.4.53.v20231009) /
Resource Hash: 26503ab2f8fd7184b8f272f63557e8d0b61c9d3cb6ee042e37a4e541dc2eb615

Request headers

Referer: https://certs.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/122.0.6261.94 Safari/537.36
Content-type: application/json

Response headers

date: Fri, 01 Mar 2024 05:31:28 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

OPTIONS
H2 200 batch
excess.duolingo.com/ Frame 0
0 463ms
117ms Preflight 44.219.6.223
AMAZON-AES

General

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Full URL: https://excess.duolingo.com/batch
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 44.219.6.223 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-44-219-6-223.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://certs.duolingo.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 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: Fri, 01 Mar 2024 05:31:28 GMT
server: Jetty(9.4.53.v20231009)

POST
H/1.1 204
No Content collect Show response
u.clarity.ms/ 0
298 B 457ms
122ms XHR
text/plain 4.227.249.197
MICROSOFT-CORP-MS...

General

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Full URL: https://u.clarity.ms/collect
Requested by: Host: d23cwzsbkjbm45.cloudfront.net
URL: https://d23cwzsbkjbm45.cloudfront.net/static/js/4579_testcenter_809de938bf2fa29dfa81.js
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 4.227.249.197 Washington, United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software: nginx/1.18.0 (Ubuntu) /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Accept: application/x-clarity-gzip
Referer: https://certs.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/122.0.6261.94 Safari/537.36

Response headers

Access-Control-Allow-Origin: https://certs.duolingo.com
Date: Fri, 01 Mar 2024 05:31:28 GMT
Access-Control-Allow-Credentials: true
Server: nginx/1.18.0 (Ubuntu)
Connection: keep-alive
Vary: Origin
Request-Context: appId=cid-v1:9c7c879b-c51a-427e-9701-218438da5f81

GET
H2 200 enterprise.js Show response
www.recaptcha.net/recaptcha/ 1 KB
1 KB 156ms
55ms Script
text/javascript 2a00:1450:4001:82f::2003
GOOGLE

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Full URL

https://www.recaptcha.net/recaptcha/enterprise.js?render=6Le3YpAkAAAAAG20zlwTeZv2Qk6pVU5i7AACApRt

Requested by

Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:82f::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

GSE /

Resource Hash

4f841e424ba25769e1da6938d3b85bec3ca56b4301b9602bae72b7c25c56afde

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self'
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Fri, 01 Mar 2024 05:31:31 GMT
content-encoding: gzip
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self'
server: GSE
x-frame-options: SAMEORIGIN
content-type: text/javascript; charset=utf-8
cache-control: private, max-age=300
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection: 1; mode=block
expires: Fri, 01 Mar 2024 05:31:31 GMT

GET
H/1.1 200
OK pd.js Show response
pi.pardot.com/ 5 KB
2 KB 416ms
119ms Script
application/javascript 34.237.219.119
AMAZON-AES

General

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Full URL: https://pi.pardot.com/pd.js
Requested by: Host: certs.duolingo.com
URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 34.237.219.119 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-34-237-219-119.compute-1.amazonaws.com
Software: /
Resource Hash: 41402adfc915ad6dfd6328c06c8038763d25fe603e63beba4a2638a2bbc03136

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

Date: Fri, 01 Mar 2024 05:31:31 GMT
content-encoding: gzip
X-Pardot-Route: 16b0ab393667a33fe86adedc3141e88c
last-modified: Thu, 29 Feb 2024 05:33:35 GMT
etag: "15f4-gzip"
vary: Accept-Encoding,User-Agent
Content-Type: application/javascript
cache-control: max-age=63072000
Connection: keep-alive
accept-ranges: bytes
Content-Length: 1988
expires: Sun, 01 Mar 2026 05:31:31 GMT

GET
H2

200

c.gif
c.clarity.ms/
Redirect Chain

https://c.clarity.ms/c.gif
https://c.bing.com/c.gif?ctsa=mr&CtsSyncId=3E3FACF0ABBF4968A1D510E377B58783&RedC=c.clarity.ms&MXFR=1B8394B39CA36B453FF1808698A36580
https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=3E3FACF0ABBF4968A1D510E377B58783&MUID=0B5E6D70D71668F825017945D69D690E

42 B
443 B

58ms
58ms

Image
image/gif

68.219.88.97
MICROSOFT-CORP-MS...

General

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Show headers Download Go to Show image

Full URL: https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=3E3FACF0ABBF4968A1D510E377B58783&MUID=0B5E6D70D71668F825017945D69D690E
Protocol: H2
Server: 68.219.88.97 Dublin, Ireland, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software: Microsoft-IIS/10.0 / ASP.NET
Resource Hash: 99c2917ee5b2a01459a923bdd1c676f15ee73b62b87f696e6735312d26f51e12

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

pragma: no-cache
date: Fri, 01 Mar 2024 05:31:30 GMT
last-modified: Fri, 09 Feb 2024 19:55:32 GMT
server: Microsoft-IIS/10.0
etag: "2155d7f0915bda1:0"
x-powered-by: ASP.NET
content-type: image/gif
p3p: CP="BUS CUR CONo FIN IVDo ONL OUR PHY SAMo TELo"
cache-control: private, no-cache, proxy-revalidate, no-store
accept-ranges: bytes
content-length: 42

Redirect headers

pragma: no-cache
date: Fri, 01 Mar 2024 05:31:31 GMT
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 62EE34AE453747AEB79D068220ED86D6 Ref B: FRA31EDGE0219 Ref C: 2024-03-01T05:31:31Z
x-powered-by: ASP.NET
x-cache: CONFIG_NOCACHE
p3p: CP="BUS CUR CONo FIN IVDo ONL OUR PHY SAMo TELo"
location: https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=3E3FACF0ABBF4968A1D510E377B58783&MUID=0B5E6D70D71668F825017945D69D690E
cache-control: private, no-cache, proxy-revalidate, no-store
content-length: 0

GET
H2 200 recaptcha__de.js Show response
www.gstatic.com/recaptcha/releases/vj7hFxe2iNgbe-u95xTozOXW/ 494 KB
197 KB 126ms
39ms Script
text/javascript 2a00:1450:4001:831::2003
GOOGLE

General

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Show headers Download Go to

Full URL

https://www.gstatic.com/recaptcha/releases/vj7hFxe2iNgbe-u95xTozOXW/recaptcha__de.js

Requested by

Host: www.recaptcha.net
URL: https://www.recaptcha.net/recaptcha/enterprise.js?render=6Le3YpAkAAAAAG20zlwTeZv2Qk6pVU5i7AACApRt

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

7fc4f1369cfe55e3cbf37434690b559bd3be63351a5ab16e324823a3ab8a237a

Security Headers

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

Request headers

Referer: https://certs.duolingo.com/
Origin: https://certs.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/122.0.6261.94 Safari/537.36

Response headers

date: Mon, 26 Feb 2024 17:43:47 GMT
content-encoding: gzip
x-content-type-options: nosniff
age: 301664
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 201116
x-xss-protection: 0
last-modified: Mon, 26 Feb 2024 03:01:13 GMT
server: sffe
cross-origin-opener-policy: same-origin-allow-popups; report-to="recaptcha"
vary: Accept-Encoding
report-to: {"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
content-type: text/javascript
access-control-allow-origin: *
cache-control: public, max-age=31536000
accept-ranges: bytes
expires: Tue, 25 Feb 2025 17:43:47 GMT

GET
H/1.1 200
OK analytics Show response
pi.pardot.com/ 1 KB
2 KB 428ms
428ms Script
text/javascript 34.237.219.119
AMAZON-AES

General

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Show headers Download Go to

Full URL

https://pi.pardot.com/analytics?ver=3&visitor_id=&visitor_id_sign=&pi_opt_in=&campaign_id=1262&account_id=209162&title=Duolingo%20English%20Test&url=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7&referrer=

Requested by

Host: pi.pardot.com
URL: https://pi.pardot.com/pd.js

Protocol

HTTP/1.1

Security

TLS 1.2, ECDHE_RSA, AES_256_GCM

Server

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

Reverse DNS

ec2-34-237-219-119.compute-1.amazonaws.com

Software

Resource Hash

d70be309addb0072f0fb2c8752f0e4bc6153efbbdabd1fcd91419f399d991abe

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

pragma: no-cache
Date: Fri, 01 Mar 2024 05:31:31 GMT
strict-transport-security: max-age=31536000; includeSubDomains
content-encoding: gzip
X-Pardot-Route: 9b06e8e2308c32c7bf9ba8adfb7be2e1
x-pardot-rsp: 0/0/1
vary: Accept-Encoding,User-Agent
Content-Type: text/javascript; charset=utf-8
p3p: CP="NOI DSP COR CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT", policyref="/w3c/p3p.xml", CP="NOI DSP COR CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT", policyref="/w3c/p3p.xml"
cache-control: no-store, no-cache, must-revalidate
Connection: keep-alive
Content-Length: 549
expires: Thu, 19 Nov 1981 08:52:00 GMT

GET
H2 200 anchor Show response
www.recaptcha.net/recaptcha/enterprise/ Frame 611B 45 KB
29 KB 71ms
70ms Document
text/html 2a00:1450:4001:82f::2003
GOOGLE

General

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Show headers Download Go to

Full URL

https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6Le3YpAkAAAAAG20zlwTeZv2Qk6pVU5i7AACApRt&co=aHR0cHM6Ly9jZXJ0cy5kdW9saW5nby5jb206NDQz&hl=de&v=vj7hFxe2iNgbe-u95xTozOXW&size=invisible&cb=4gesk5ug2s3v

Requested by

Host: www.gstatic.com
URL: https://www.gstatic.com/recaptcha/releases/vj7hFxe2iNgbe-u95xTozOXW/recaptcha__de.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:82f::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

GSE /

Resource Hash

8fdc74d5abe6846e9f0d3c973a561337923a0bed800ee54d6a262f273bf5f821

Security Headers

Name	Value
Content-Security-Policy	script-src 'report-sample' 'nonce-tQFoxHgLadSaA-XvhTGX2Q' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/recaptcha/1
X-Content-Type-Options	nosniff
X-Xss-Protection	1; mode=block

Request headers

Referer: https://certs.duolingo.com/
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control: no-cache, no-store, max-age=0, must-revalidate
content-encoding: gzip
content-security-policy: script-src 'report-sample' 'nonce-tQFoxHgLadSaA-XvhTGX2Q' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/recaptcha/1
content-type: text/html; charset=utf-8
cross-origin-embedder-policy: require-corp
cross-origin-resource-policy: cross-origin
date: Fri, 01 Mar 2024 05:31:31 GMT
expires: Mon, 01 Jan 1990 00:00:00 GMT
pragma: no-cache
report-to: {"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
server: GSE
x-content-type-options: nosniff
x-xss-protection: 1; mode=block

GET
H3 200 styles__ltr.css
www.gstatic.com/recaptcha/releases/vj7hFxe2iNgbe-u95xTozOXW/ Frame 611B 55 KB
24 KB 120ms
40ms Stylesheet
text/css 2a00:1450:4001:831::2003
GOOGLE

General

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Show headers Download Go to

Full URL

https://www.gstatic.com/recaptcha/releases/vj7hFxe2iNgbe-u95xTozOXW/styles__ltr.css

Requested by

Host: www.recaptcha.net
URL: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6Le3YpAkAAAAAG20zlwTeZv2Qk6pVU5i7AACApRt&co=aHR0cHM6Ly9jZXJ0cy5kdW9saW5nby5jb206NDQz&hl=de&v=vj7hFxe2iNgbe-u95xTozOXW&size=invisible&cb=4gesk5ug2s3v

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

7859a62e04b0acb06516eb12454de6673883ecfaeaed6c254659bca7cd59c050

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.recaptcha.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Thu, 29 Feb 2024 22:21:32 GMT
content-encoding: gzip
x-content-type-options: nosniff
age: 25799
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 24606
x-xss-protection: 0
last-modified: Mon, 26 Feb 2024 03:01:13 GMT
server: sffe
cross-origin-opener-policy: same-origin-allow-popups; report-to="recaptcha"
vary: Accept-Encoding
report-to: {"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
content-type: text/css
cache-control: public, max-age=31536000
accept-ranges: bytes
expires: Fri, 28 Feb 2025 22:21:32 GMT

GET
H3 200 recaptcha__de.js Show response
www.gstatic.com/recaptcha/releases/vj7hFxe2iNgbe-u95xTozOXW/ Frame 611B 494 KB
196 KB 140ms
60ms Script
text/javascript 2a00:1450:4001:831::2003
GOOGLE

General

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Show headers Download Go to

Full URL

https://www.gstatic.com/recaptcha/releases/vj7hFxe2iNgbe-u95xTozOXW/recaptcha__de.js

Requested by

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

7fc4f1369cfe55e3cbf37434690b559bd3be63351a5ab16e324823a3ab8a237a

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.recaptcha.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Mon, 26 Feb 2024 17:43:47 GMT
content-encoding: gzip
x-content-type-options: nosniff
age: 301664
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 201116
x-xss-protection: 0
last-modified: Mon, 26 Feb 2024 03:01:13 GMT
server: sffe
cross-origin-opener-policy: same-origin-allow-popups; report-to="recaptcha"
vary: Accept-Encoding
report-to: {"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
content-type: text/javascript
access-control-allow-origin: *
cache-control: public, max-age=31536000
accept-ranges: bytes
expires: Tue, 25 Feb 2025 17:43:47 GMT

GET
H3 200 sLPIoIr_9R2H1vFE63bCW9_RmUPMbLk-XyKwDAco0G4.js Show response
www.google.com/js/bg/ Frame 611B 17 KB
7 KB 41ms
40ms Script
text/javascript 2a00:1450:4001:830::2004
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google.com/js/bg/sLPIoIr_9R2H1vFE63bCW9_RmUPMbLk-XyKwDAco0G4.js

Requested by

Host: www.gstatic.com
URL: https://www.gstatic.com/recaptcha/releases/vj7hFxe2iNgbe-u95xTozOXW/recaptcha__de.js

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

Software

sffe /

Resource Hash

b0b3c8a08afff51d87d6f144eb76c25bdfd19943cc6cb93e5f22b00c0728d06e

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.recaptcha.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Fri, 01 Mar 2024 04:22:30 GMT
content-encoding: br
x-content-type-options: nosniff
age: 4141
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: 6937
x-xss-protection: 0
last-modified: Mon, 19 Feb 2024 17:30:00 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: Sat, 01 Mar 2025 04:22:30 GMT

GET
H3 200 logo_48.png
www.gstatic.com/recaptcha/api2/ Frame 611B 2 KB
2 KB 40ms
40ms Image
image/png 2a00:1450:4001:831::2003
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.gstatic.com/recaptcha/api2/logo_48.png

Requested by

Host: www.gstatic.com
URL: https://www.gstatic.com/recaptcha/releases/vj7hFxe2iNgbe-u95xTozOXW/styles__ltr.css

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

1b9efb22c938500971aac2b2130a475fa23684dd69e43103894968df83145b8a

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.gstatic.com/recaptcha/releases/vj7hFxe2iNgbe-u95xTozOXW/styles__ltr.css
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Tue, 27 Feb 2024 08:55:59 GMT
x-content-type-options: nosniff
age: 246932
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 2228
x-xss-protection: 0
last-modified: Tue, 03 Mar 2020 20:15:00 GMT
server: sffe
cross-origin-opener-policy: same-origin-allow-popups; report-to="recaptcha"
report-to: {"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
content-type: image/png
cache-control: public, max-age=604800
accept-ranges: bytes
expires: Tue, 05 Mar 2024 08:55:59 GMT

GET
H2 200 KFOmCnqEu92Fr1Mu4mxK.woff2
fonts.gstatic.com/s/roboto/v18/ Frame 611B 15 KB
16 KB 126ms
39ms Font
font/woff2 2a00:1450:4001:80e::2003
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

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

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:80e::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.recaptcha.net/
Origin: https://www.recaptcha.net
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/122.0.6261.94 Safari/537.36

Response headers

date: Tue, 27 Feb 2024 09:03:23 GMT
x-content-type-options: nosniff
age: 246488
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: Wed, 26 Feb 2025 09:03:23 GMT

GET
H2 200 KFOlCnqEu92Fr1MmEU9fBBc4.woff2
fonts.gstatic.com/s/roboto/v18/ Frame 611B 15 KB
15 KB 136ms
49ms Font
font/woff2 2a00:1450:4001:80e::2003
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

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

Requested by

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:80e::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.recaptcha.net/
Origin: https://www.recaptcha.net
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/122.0.6261.94 Safari/537.36

Response headers

date: Thu, 29 Feb 2024 14:26:30 GMT
x-content-type-options: nosniff
age: 54301
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: Fri, 28 Feb 2025 14:26:30 GMT

GET
H3 200 webworker.js
www.recaptcha.net/recaptcha/enterprise/ Frame 611B 102 B
135 B 49ms
49ms Other
text/javascript 2a00:1450:4001:82f::2003
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.recaptcha.net/recaptcha/enterprise/webworker.js?hl=de&v=vj7hFxe2iNgbe-u95xTozOXW

Requested by

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:82f::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

GSE /

Resource Hash

5e6ccfa30b73831d6528662ece5421627caab9f02289cf4902a0a4d67cdc1dd8

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self'
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.recaptcha.net/recaptcha/enterprise/anchor?ar=1&k=6Le3YpAkAAAAAG20zlwTeZv2Qk6pVU5i7AACApRt&co=aHR0cHM6Ly9jZXJ0cy5kdW9saW5nby5jb206NDQz&hl=de&v=vj7hFxe2iNgbe-u95xTozOXW&size=invisible&cb=4gesk5ug2s3v
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Fri, 01 Mar 2024 05:31:31 GMT
content-encoding: gzip
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self'
server: GSE
cross-origin-embedder-policy: require-corp
x-frame-options: SAMEORIGIN
report-to: {"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
content-type: text/javascript; charset=utf-8
cache-control: private, max-age=300
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection: 1; mode=block
expires: Fri, 01 Mar 2024 05:31:31 GMT

GET
H/1.1 200
OK analytics Show response
go.duolingo.com/ 50 B
1021 B 513ms
223ms Script
text/javascript 3.92.120.28
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://go.duolingo.com/analytics?conly=true&visitor_id=1004493777&visitor_id_sign=4208a7627abc9e29da8d63098bef508535c8218a2947b9535e18fb9af39065143666297cf6717feba4758ce475f9db9e35aa9395&pi_opt_in=&campaign_id=1262&account_id=209162&title=Duolingo%20English%20Test&url=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7&referrer=
Requested by: Host: pi.pardot.com
URL: https://pi.pardot.com/analytics?ver=3&visitor_id=&visitor_id_sign=&pi_opt_in=&campaign_id=1262&account_id=209162&title=Duolingo%20English%20Test&url=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7&referrer=
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 3.92.120.28 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-3-92-120-28.compute-1.amazonaws.com
Software: /
Resource Hash: dcf430710cdd1359115293f45d5023b2a560aef8a2c1e59d578b8b1e10a216d3

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

pragma: no-cache
Date: Fri, 01 Mar 2024 05:31:32 GMT
X-Pardot-Route: 9b06e8e2308c32c7bf9ba8adfb7be2e1
x-pardot-rsp: 0/0/1
vary: User-Agent
Content-Type: text/javascript; charset=utf-8
p3p: CP="NOI DSP COR CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT", policyref="/w3c/p3p.xml", CP="NOI DSP COR CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT", policyref="/w3c/p3p.xml"
cache-control: no-store, no-cache, must-revalidate
Connection: keep-alive
Content-Length: 50
expires: Thu, 19 Nov 1981 08:52:00 GMT

POST
H/1.1 204
No Content collect Show response
u.clarity.ms/ 0
298 B 122ms
122ms XHR
text/plain 4.227.249.197
MICROSOFT-CORP-MS...

General

Check archive.org

Show headers Download Go to

Full URL: https://u.clarity.ms/collect
Requested by: Host: d23cwzsbkjbm45.cloudfront.net
URL: https://d23cwzsbkjbm45.cloudfront.net/static/js/4579_testcenter_809de938bf2fa29dfa81.js
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 4.227.249.197 Washington, United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software: nginx/1.18.0 (Ubuntu) /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Accept: application/x-clarity-gzip
Referer: https://certs.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/122.0.6261.94 Safari/537.36

Response headers

Access-Control-Allow-Origin: https://certs.duolingo.com
Date: Fri, 01 Mar 2024 05:31:32 GMT
Access-Control-Allow-Credentials: true
Server: nginx/1.18.0 (Ubuntu)
Connection: keep-alive
Vary: Origin
Request-Context: appId=cid-v1:9c7c879b-c51a-427e-9701-218438da5f81

POST
H2 204 collect
region1.analytics.google.com/g/ 0
54 B 48ms
48ms Ping
text/plain 2001:4860:4802:32::36
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL: https://region1.analytics.google.com/g/collect?v=2&tid=G-Q2Y2PVZZLX&gtm=45je42s0v9111603036za220&_p=1709271086748&gcd=13l3l3l2l1&npa=1&dma_cps=sypham&dma=1&cid=898874671.1709271087&ul=en-us&sr=1600x1200&ir=1&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&pscdl=noapi&_eu=EEA&_s=2&sid=1709271087&sct=1&seg=0&dl=https%3A%2F%2Fcerts.duolingo.com%2F169b61ba17ae58bbbed9cf2b0ba44fb7&dt=Duolingo%20English%20Test&en=scroll&epn.percent_scrolled=90&_et=18&tfd=6628
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-Q2Y2PVZZLX&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://certs.duolingo.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

pragma: no-cache
date: Fri, 01 Mar 2024 05:31:32 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://certs.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

Verdicts & Comments Add Verdict or Comment

69 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.

30 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
certs.duolingo.com/	1969-12-31 23:59:59	Name: detlang Value: de
.duolingo.com/	1970-01-20 20:57:27	Name: _gcl_au Value: 1.1.614813584.1709271087
.duolingo.com/	1970-01-21 04:23:51	Name: _ga_Q2Y2PVZZLX Value: GS1.1.1709271087.1.0.1709271087.60.0.0
.duolingo.com/	1970-01-21 04:23:51	Name: _ga Value: GA1.2.898874671.1709271087
.duolingo.com/	1970-01-20 18:49:17	Name: _gid Value: GA1.2.2081540759.1709271087
.duolingo.com/	1970-01-20 18:47:51	Name: _gat_UA-21595814-2 Value: 1
.doubleclick.net/	1970-01-20 23:07:03	Name: receive-cookie-deprecation Value: 1
.duolingo.com/	1970-01-20 20:57:27	Name: _fbp Value: fb.1.1709271087572.2041943839
.duolingo.com/	1970-01-20 18:49:17	Name: _uetsid Value: f3810f40d78c11eeb18779a6243319ca
.duolingo.com/	1970-01-21 04:09:27	Name: _uetvid Value: f3813a10d78c11ee871b09862216dda0
.doubleclick.net/	1970-01-21 04:09:27	Name: IDE Value: AHWqTUm8S_PxDRAqNH6DJIVk1B5Z16ORfu-EdiKjf8snT4cz5I4NAsKReStfAwhB
.bing.com/	1970-01-21 04:09:27	Name: MUID Value: 0B5E6D70D71668F825017945D69D690E
www.clarity.ms/	1970-01-21 03:33:27	Name: CLID Value: 9f741a7be7674a6b834e19cbd1f20b21.20240301.20250301
.duolingo.com/	1970-01-21 03:33:27	Name: _clck Value: 23w6js%7C2%7Cfjp%7C0%7C1521
certs.duolingo.com/	1970-01-20 18:57:55	Name: AWSALB Value: I01CcR6+KD5R8xY9f9yHyw7NDhpzBJzB3W9lrBe/9a8CYu00/lD8EcoMKwLBg0Wga21M8dJtcpWBtI36laMFz0oo/73FNujKm8j4R+XOvubsL1U8a4/c8JfKBJnU
certs.duolingo.com/	1970-01-20 18:57:55	Name: AWSALBCORS Value: I01CcR6+KD5R8xY9f9yHyw7NDhpzBJzB3W9lrBe/9a8CYu00/lD8EcoMKwLBg0Wga21M8dJtcpWBtI36laMFz0oo/73FNujKm8j4R+XOvubsL1U8a4/c8JfKBJnU
.duolingo.com/	1970-01-20 18:49:17	Name: _clsk Value: 1fbulho%7C1709271088599%7C1%7C0%7Cu.clarity.ms%2Fcollect
.c.bing.com/	1970-01-20 18:57:55	Name: MR Value: 0
.c.bing.com/	1970-01-21 04:09:27	Name: SRM_B Value: 0B5E6D70D71668F825017945D69D690E
.c.clarity.ms/	1969-12-31 23:59:59	Name: SM Value: C
.clarity.ms/	1970-01-21 04:09:27	Name: MUID Value: 0B5E6D70D71668F825017945D69D690E
.c.clarity.ms/	1970-01-20 18:57:55	Name: MR Value: 0
.c.clarity.ms/	1970-01-20 18:47:51	Name: ANONCHK Value: 0
.pardot.com/	1970-01-21 04:23:51	Name: visitor_id208162 Value: 1004493777
.pardot.com/	1970-01-21 04:23:51	Name: visitor_id208162-hash Value: 4208a7627abc9e29da8d63098bef508535c8218a2947b9535e18fb9af39065143666297cf6717feba4758ce475f9db9e35aa9395
pi.pardot.com/	1970-01-20 18:47:52	Name: lpv208162 Value: aHR0cHM6Ly9jZXJ0cy5kdW9saW5nby5jb20vMTY5YjYxYmExN2FlNThiYmJlZDljZjJiMGJhNDRmYjc%3D
certs.duolingo.com/	1970-01-21 04:23:51	Name: visitor_id208162 Value: 1004493777
certs.duolingo.com/	1970-01-21 04:23:51	Name: visitor_id208162-hash Value: 4208a7627abc9e29da8d63098bef508535c8218a2947b9535e18fb9af39065143666297cf6717feba4758ce475f9db9e35aa9395
go.duolingo.com/	1970-01-21 04:23:51	Name: visitor_id208162 Value: 1004493777
go.duolingo.com/	1970-01-21 04:23:51	Name: visitor_id208162-hash Value: 4208a7627abc9e29da8d63098bef508535c8218a2947b9535e18fb9af39065143666297cf6717feba4758ce475f9db9e35aa9395

24 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://connect.facebook.net/signals/config/296747484572640?v=2.9.147&r=stable&domain=certs.duolingo.com&hme=20c913bdcd4be51a752120153aa5caaecb3ee86c7f26cf737846e40b202aba68&ex_m=62%2C106%2C94%2C98%2C53%2C3%2C88%2C61%2C14%2C86%2C79%2C44%2C46%2C150%2C153%2C164%2C160%2C161%2C163%2C25%2C89%2C45%2C68%2C162%2C145%2C148%2C157%2C158%2C165%2C115%2C13%2C43%2C169%2C168%2C117%2C16%2C29%2C32%2C1%2C36%2C57%2C58%2C59%2C63%2C83%2C15%2C12%2C85%2C82%2C81%2C95%2C97%2C31%2C96%2C26%2C22%2C146%2C149%2C124%2C24%2C9%2C10%2C11%2C5%2C6%2C21%2C19%2C20%2C49%2C54%2C56%2C66%2C90%2C23%2C67%2C8%2C7%2C71%2C41%2C18%2C92%2C91%2C17%2C4%2C73%2C80%2C72%2C78%2C40%2C39%2C77%2C33%2C35%2C76%2C48%2C74%2C28%2C37%2C65%2C0%2C84%2C75%2C2%2C30%2C55%2C34%2C93%2C38%2C70%2C60%2C99%2C52%2C51%2C27%2C87%2C50%2C47%2C42%2C69%2C64%2C100(Line 95) Message: Unrecognized feature: 'attribution-reporting'.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://certs.duolingo.com/169b61ba17ae58bbbed9cf2b0ba44fb7 Message: Third-party cookie will be blocked. Learn more in the Issues tab.

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.

12371249.fls.doubleclick.net
a.quora.com
accounts.google.com
adservice.google.com
api.fpjs.io
bat.bing.com
c.bing.com
c.clarity.ms
certs.duolingo.com
connect.facebook.net
d23cwzsbkjbm45.cloudfront.net
duolingo-certifications-data.oss-accelerate.aliyuncs.com
excess.duolingo.com
fonts.gstatic.com
fpnpmcdn.net
go.duolingo.com
googleads.g.doubleclick.net
localization-duostrings.duolingo.com
pi.pardot.com
q.quora.com
region1.analytics.google.com
stats.g.doubleclick.net
u.clarity.ms
www.clarity.ms
www.facebook.com
www.google-analytics.com
www.google.com
www.google.de
www.googleadservices.com
www.googletagmanager.com
www.gstatic.com
www.recaptcha.net
142.250.185.66
142.250.186.166
143.204.98.75
162.159.153.247
18.165.201.103
18.245.31.41
2001:4860:4802:32::36
2620:1ec:46::45
2620:1ec:c11::200
2a00:1450:4001:806::2002
2a00:1450:4001:80e::2003
2a00:1450:4001:828::2002
2a00:1450:4001:82f::2003
2a00:1450:4001:830::2004
2a00:1450:4001:831::2003
2a00:1450:4001:831::2008
2a00:1450:4001:831::200e
2a00:1450:400c:c00::9b
2a00:1450:400c:c0a::54
2a03:2880:f083:100:face:b00c:0:3
2a03:2880:f176:181:face:b00c:0:25de
3.92.120.28
34.192.1.138
34.237.219.119
4.227.249.197
44.219.6.223
47.254.187.131
52.4.62.73
68.219.88.97
76.223.60.10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certs.duolingo.com Open in urlscan Pro 34.192.1.138 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Detected technologies

Page Statistics

77 Requests

97 %HTTPS

50 %IPv6

19 Domains

32 Subdomains

29 IPs

5 Countries

4098 kBTransfer

9803 kBSize

30 Cookies

9 Outgoing links

Redirected requests

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

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certs.duolingo.com Open in urlscan Pro
34.192.1.138 Public Scan

Screenshot
Live screenshot

Full Image

77
Requests

97 %
HTTPS

50 %
IPv6

19
Domains

32
Subdomains

29
IPs

5
Countries

4098 kB
Transfer

9803 kB
Size

30
Cookies

77 HTTP transactions
0 data transactions