whatwelearn.io Open in urlscan Pro
172.64.147.169 Public Scan

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URL:
https://whatwelearn.io/
Submission: On June 13 via api (June 13th 2024, 7:21:33 pm UTC) from US — Scanned from DE

Summary HTTP 256 Redirects Links 10 Behaviour Indicators

Summary

This website contacted 9 IPs in 3 countries across 8 domains to perform 256 HTTP transactions. The main IP is 172.64.147.169, located in San Francisco, United States and belongs to CLOUDFLARENET, US. The main domain is whatwelearn.io.
TLS certificate: Issued by E5 on June 9th 2024. Valid for: 3 months.

This is the only time whatwelearn.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
12	172.64.147.169 172.64.147.169	13335 (CLOUDFLAR...) (CLOUDFLARENET)
72	2600:9000:206... 2600:9000:206f:4000:4:b4b9:d3c0:93a1	16509 (AMAZON-02) (AMAZON-02)
1	2a04:4e42:200... 2a04:4e42:200::729	54113 (FASTLY) (FASTLY)
4	2606:4700::68... 2606:4700::6810:5049	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	13.33.218.24 13.33.218.24	16509 (AMAZON-02) (AMAZON-02)
1	172.64.154.11 172.64.154.11	13335 (CLOUDFLAR...) (CLOUDFLARENET)
163	65.9.66.32 65.9.66.32	16509 (AMAZON-02) (AMAZON-02)
1	2a00:1450:400... 2a00:1450:4001:810::2003	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:830::2008	15169 (GOOGLE) (GOOGLE)
256	9

12 172.64.147.169 (San Francisco, United States)

ASN13335 (CLOUDFLARENET, US)

whatwelearn.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

72 2600:9000:206f:4000:4:b4b9:d3c0:93a1 (United States)

ASN16509 (AMAZON-02, US)

substackcdn.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a04:4e42:200::729 (United States)

ASN54113 (FASTLY, US)

js.sentry-cdn.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2606:4700::6810:5049 (United States)

ASN13335 (CLOUDFLARENET, US)

static.cloudflareinsights.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
cloudflareinsights.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 13.33.218.24 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-33-218-24.fra60.r.cloudfront.net

www.datadoghq-browser-agent.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 172.64.154.11 (None, )

ASN13335 (CLOUDFLARENET, US)

substack.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

163 65.9.66.32 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-65-9-66-32.fra56.r.cloudfront.net

substackcdn.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:810::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:830::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

	Apex Domain Subdomains	Transfer
235	substackcdn.com substackcdn.com — Cisco Umbrella Rank: 18108	1 MB
12	whatwelearn.io whatwelearn.io	37 KB
4	cloudflareinsights.com static.cloudflareinsights.com — Cisco Umbrella Rank: 951 cloudflareinsights.com — Cisco Umbrella Rank: 924	14 KB
1	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 79	85 KB
1	gstatic.com fonts.gstatic.com	14 KB
1	substack.com substack.com — Cisco Umbrella Rank: 16444
1	datadoghq-browser-agent.com www.datadoghq-browser-agent.com — Cisco Umbrella Rank: 1543	50 KB
1	sentry-cdn.com js.sentry-cdn.com — Cisco Umbrella Rank: 6887	2 KB
256	8

	Domain	Requested by
235	substackcdn.com	whatwelearn.io substackcdn.com
12	whatwelearn.io	whatwelearn.io www.datadoghq-browser-agent.com
2	cloudflareinsights.com	www.datadoghq-browser-agent.com
2	static.cloudflareinsights.com	whatwelearn.io
1	www.googletagmanager.com	substackcdn.com
1	fonts.gstatic.com	whatwelearn.io
1	substack.com	substackcdn.com
1	www.datadoghq-browser-agent.com	whatwelearn.io
1	js.sentry-cdn.com	whatwelearn.io
256	9

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

Domain
substack.com
www.youtube.com
www.linkedin.com
twitter.com

Subject Issuer	Validity	Valid
whatwelearn.io E5	`2024-06-09` - `2024-09-07`	3 months	crt.sh
substackcdn.com Amazon RSA 2048 M02	`2024-02-13` - `2025-03-13`	a year	crt.sh
*.sentry-cdn.com GlobalSign Atlas R3 DV TLS CA 2024 Q2	`2024-06-04` - `2025-07-06`	a year	crt.sh
cloudflareinsights.com GTS CA 1P5	`2024-05-08` - `2024-08-06`	3 months	crt.sh
*.datadoghq-browser-agent.com DigiCert Global G2 TLS RSA SHA256 2020 CA1	`2023-12-12` - `2024-12-14`	a year	crt.sh
substack.com Cloudflare Inc ECC CA-3	`2023-09-13` - `2024-09-12`	a year	crt.sh
*.gstatic.com WR2	`2024-05-27` - `2024-08-19`	3 months	crt.sh
*.google-analytics.com WR2	`2024-05-27` - `2024-08-19`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://whatwelearn.io/
Frame ID: 1F6F2808A23A2E6FAAA245862AF2B047
Requests: 254 HTTP requests in this frame

Frame: https://substack.com/channel-frame
Frame ID: A84922BDAA106B66A2F4BF90E1138F31
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

What We Learn | Ryan Osten | Substack

Detected technologies

React (JavaScript Frameworks) Expand

Overall confidence: 100%
Detected patterns

react(?:-with-addons)?[.-]([\d.]*\d)[^/]*\.js

Cloudflare Browser Insights (Analytics) Expand

Overall confidence: 100%
Detected patterns

static\.cloudflareinsights\.com/beacon(?:\.min)?\.js

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

googletagmanager\.com/gtag/js

Page Statistics

256
Requests

100 %
HTTPS

56 %
IPv6

8
Domains

9
Subdomains

9
IPs

3
Countries

1458 kB
Transfer

4053 kB
Size

14
Cookies

10 Outgoing links

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

URL: https://substack.com/tos
Title: Terms of Service

Search URL Search Domain Scan URL

URL: https://substack.com/privacy
Title: Privacy Policy

Search URL Search Domain Scan URL

URL: https://substack.com/ccpa#personal-data-collected
Title: Information Collection Notice

Search URL Search Domain Scan URL

URL: https://substack.com/@ryanosten
Title: Ryan Osten

Search URL Search Domain Scan URL

URL: https://www.youtube.com/channel/UC9wU0UzwIn_6JAFZSeVNFjA
Title: Youtube

Search URL Search Domain Scan URL

URL: https://www.linkedin.com/in/ryanosten/
Title: LinkedIn

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://substack.com/signup?utm_source=substack&utm_medium=web&utm_content=footer
Title: Start Writing

Search URL Search Domain Scan URL

URL: https://substack.com/app/app-store-redirect?utm_campaign=app-marketing&utm_content=web-footer-button
Title: Get the app

Search URL Search Domain Scan URL

URL: https://substack.com/
Title: Substack

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

256 HTTP transactions
0 data transactions

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

GET
H3 200 Primary Request / Show response
whatwelearn.io/ 52 KB
13 KB 401ms
322ms Document
text/html 172.64.147.169
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://whatwelearn.io/

Protocol

Security

QUIC, , AES_128_GCM

Server

172.64.147.169 San Francisco, United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare / Express

Resource Hash

8810f22c2ebc367f5d9b5b556a1179e17f67f7162f50fda9277dc171730bd5aa

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Frame-Options	sameorigin

Request headers

Accept-Language: de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "Win32"

Response headers

alt-svc: h3=":443"; ma=86400
cache-control: no-cache
cf-cache-status: MISS
cf-ray: 89347194ad1e2685-TXL
content-encoding: br
content-type: text/html; charset=utf-8
date: Thu, 13 Jun 2024 19:21:26 GMT
link: <https://substackcdn.com>; rel=preconnect
server: cloudflare
strict-transport-security: max-age=31536000
vary: Accept-Encoding
x-cluster: substack
x-deploy: 7d9a0e5ed0
x-frame-options: sameorigin
x-powered-by: Express
x-served-by: Substack
x-service: web
x-sub: ryanosten

GET
H2 200 welcome.1502761384026ddc1107.css
substackcdn.com/bundle/theme/ 37 KB
7 KB 311ms
189ms Stylesheet
text/css 2600:9000:206f:4000:4:b4b9:d3c0:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://substackcdn.com/bundle/theme/welcome.1502761384026ddc1107.css
Requested by: Host: whatwelearn.io
URL: https://whatwelearn.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:206f:4000:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: fd15dfbeed8cdb764328ddf1cdc42627d85b9d7c513e7973a34728b8dd38ca20

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://whatwelearn.io/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 00:41:51 GMT
content-encoding: gzip
via: 1.1 673c96d1f19de21216629aa48d90ac92.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-C1
age: 67177
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
x-amz-expiration: expiry-date="Tue, 26 Nov 2024 00:00:00 GMT", rule-id="StaticAssetIntelligentTiering"
last-modified: Wed, 29 May 2024 23:02:48 GMT
server: AmazonS3
etag: W/"1502761384026ddc110701c94987d0f6"
vary: Accept-Encoding, Origin
content-type: text/css
cache-control: public, max-age=31536000, immutable
x-amz-cf-id: Le2R58uRHlf8yVpwuwwWKXCEm-UAp5w5zw2m56-PW1_4lOnrn3Owxg==

GET
H2 200 entry-bf738a91.css
substackcdn.com/bundle/assets/ 12 KB
2 KB 306ms
184ms Stylesheet
text/css 2600:9000:206f:4000:4:b4b9:d3c0:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://substackcdn.com/bundle/assets/entry-bf738a91.css
Requested by: Host: whatwelearn.io
URL: https://whatwelearn.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:206f:4000:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: bf738a9152102e0f9aca58e34dc822ab68cd4cc5238e55decbdc9e3c54e612a1

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://whatwelearn.io/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 13:32:29 GMT
content-encoding: br
via: 1.1 673c96d1f19de21216629aa48d90ac92.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-C1
age: 20938
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
x-amz-expiration: expiry-date="Tue, 03 Dec 2024 00:00:00 GMT", rule-id="StaticAssetIntelligentTiering"
last-modified: Wed, 05 Jun 2024 13:06:43 GMT
server: AmazonS3
etag: W/"585957cecdbf5fdd8aba67c95924de42"
vary: Accept-Encoding, Origin
content-type: text/css
cache-control: public, max-age=31536000, immutable
x-amz-cf-id: kW9W52fm8gG6rPz5lCnkT30UYo2z8L59Gn_vjiAnrDt73oW7xv8AGw==

GET
H2 200 user-51b02764.css
substackcdn.com/bundle/assets/ 92 B
603 B 305ms
183ms Stylesheet
text/css 2600:9000:206f:4000:4:b4b9:d3c0:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://substackcdn.com/bundle/assets/user-51b02764.css
Requested by: Host: whatwelearn.io
URL: https://whatwelearn.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:206f:4000:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 51b02764ec5dd7b6337c0ee7044ae5b5418d3a8605fe309d5a0927dcaa72aa05

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://whatwelearn.io/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 11:08:22 GMT
via: 1.1 673c96d1f19de21216629aa48d90ac92.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-C1
age: 29585
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
content-length: 92
x-amz-expiration: expiry-date="Tue, 26 Nov 2024 00:00:00 GMT", rule-id="StaticAssetIntelligentTiering"
last-modified: Wed, 29 May 2024 23:02:51 GMT
server: AmazonS3
etag: "37c57b11ce88b609c07decff04a21205"
vary: Accept-Encoding, Origin
content-type: text/css
cache-control: public, max-age=31536000, immutable
accept-ranges: bytes
x-amz-cf-id: lNeAuyCBok4fE-_UKBLDBT1lEcmQugirsyuqrh9BPKWtN-b9jlDcIg==

GET
H2 200 FlexBox-16929af4.css
substackcdn.com/bundle/assets/ 102 KB
14 KB 223ms
101ms Stylesheet
text/css 2600:9000:206f:4000:4:b4b9:d3c0:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://substackcdn.com/bundle/assets/FlexBox-16929af4.css
Requested by: Host: whatwelearn.io
URL: https://whatwelearn.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:206f:4000:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 16929af4a94d59c6484a8c2751c7a4f2ad20eeed732d0fa3594e464a7ecdb3ee

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://whatwelearn.io/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 02:45:42 GMT
content-encoding: gzip
via: 1.1 673c96d1f19de21216629aa48d90ac92.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-C1
age: 59745
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
x-amz-expiration: expiry-date="Thu, 28 Nov 2024 00:00:00 GMT", rule-id="StaticAssetIntelligentTiering"
last-modified: Fri, 31 May 2024 21:08:42 GMT
server: AmazonS3
etag: W/"a8635994beb4f43c8bc562e5b442fd16"
vary: Accept-Encoding, Origin
content-type: text/css
cache-control: public, max-age=31536000, immutable
x-amz-cf-id: xRPQViAmB79p3Tza0pxgngt1zwmjPl-rd5RZioWJFRB_Hd74Rl02ig==

GET
H2 200 free_email_form-25f68dbb.css
substackcdn.com/bundle/assets/ 2 KB
1 KB 309ms
188ms Stylesheet
text/css 2600:9000:206f:4000:4:b4b9:d3c0:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://substackcdn.com/bundle/assets/free_email_form-25f68dbb.css
Requested by: Host: whatwelearn.io
URL: https://whatwelearn.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:206f:4000:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 25f68dbb155afc44ebbb2aec1d0389859c873cee4e9cdf94d02c45d9fa9b550f

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://whatwelearn.io/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 04:18:24 GMT
content-encoding: gzip
via: 1.1 673c96d1f19de21216629aa48d90ac92.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-C1
age: 54184
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
x-amz-expiration: expiry-date="Wed, 27 Nov 2024 00:00:00 GMT", rule-id="StaticAssetIntelligentTiering"
last-modified: Thu, 30 May 2024 21:26:23 GMT
server: AmazonS3
etag: W/"e00a7053e423954535683336c2bf50c1"
vary: Accept-Encoding, Origin
content-type: text/css
cache-control: public, max-age=31536000, immutable
x-amz-cf-id: Z4jX103qcsAqaNTB0k-Z5PR7h-03C5n_0tqH9gIGuvGxQwPNyttJdw==

GET
H2 200 IntroPopup-96bfa55d.css
substackcdn.com/bundle/assets/ 5 KB
2 KB 307ms
185ms Stylesheet
text/css 2600:9000:206f:4000:4:b4b9:d3c0:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://substackcdn.com/bundle/assets/IntroPopup-96bfa55d.css
Requested by: Host: whatwelearn.io
URL: https://whatwelearn.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:206f:4000:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 96bfa55df4ea159664cd7a89183ce931497b57c4f97227781845e10eefafa5bb

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://whatwelearn.io/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 11:08:24 GMT
content-encoding: br
via: 1.1 673c96d1f19de21216629aa48d90ac92.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-C1
age: 29584
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
x-amz-expiration: expiry-date="Tue, 26 Nov 2024 00:00:00 GMT", rule-id="StaticAssetIntelligentTiering"
last-modified: Wed, 29 May 2024 23:02:51 GMT
server: AmazonS3
etag: W/"16d8ca12ddbfa6e63a1e3ab9a7ea0648"
vary: Accept-Encoding, Origin
content-type: text/css
cache-control: public, max-age=31536000, immutable
x-amz-cf-id: Vl0klxthmkdBDrFZqv0hNpG-0d3hLDRA5o_cSOvoa4HA6a3kFurM3A==

GET
H2 200 https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F153e42f0-393e-4c8a-8059-88b6913d2816_256x256.png
substackcdn.com/image/fetch/w_264,c_limit,f_webp,q_auto:best,fl_progressive:steep/ 8 KB
8 KB 148ms
148ms Image
image/webp 2600:9000:206f:4000:4:b4b9:d3c0:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://substackcdn.com/image/fetch/w_264,c_limit,f_webp,q_auto:best,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F153e42f0-393e-4c8a-8059-88b6913d2816_256x256.png

Requested by

Host: whatwelearn.io
URL: https://whatwelearn.io/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:206f:4000:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

imgproxy / Express

Resource Hash

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Security Headers

Name	Value
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Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://whatwelearn.io/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sun, 09 Jun 2024 02:08:53 GMT
content-security-policy: script-src 'none'
via: 1.1 673c96d1f19de21216629aa48d90ac92.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-C1
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x-cache: Hit from cloudfront
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alt-svc: h3=":443"; ma=86400
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x-request-id: 2COZZG0d1HQzMxapvOs3q
server: imgproxy
etag: "UamCbJlPhUkLk3YB3RPHsM8ARwwxWfdNyhiHSRBXRxw/RIjgxYjc5NzRlOTE4MWRhMWU0NjYzM2E5MDIwODcyNTYxIg"
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x-amz-cf-id: EGNBArkM99h9uCfaaH0SHy0KSIrTvvABKcFqZK7LctXGF5Rg_LR9LQ==

GET
H2 200 6c2ff3e3828e4017b7faf7b63e24cdf8.min.js Show response
js.sentry-cdn.com/ 3 KB
2 KB 161ms
52ms Script
text/javascript 2a04:4e42:200::729
FASTLY

General

Check archive.org

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Full URL

https://js.sentry-cdn.com/6c2ff3e3828e4017b7faf7b63e24cdf8.min.js

Requested by

Host: whatwelearn.io
URL: https://whatwelearn.io/

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

2a04:4e42:200::729 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

Resource Hash

34775013e7daec46dfe3432cfa43a108e727d1dec3906b02a406326b0c143166

Security Headers

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Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	deny
X-Xss-Protection	1; mode=block

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://whatwelearn.io/
Origin: https://whatwelearn.io
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

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content-encoding: gzip
x-content-type-options: nosniff
date: Thu, 13 Jun 2024 19:21:26 GMT
strict-transport-security: max-age=31536000; includeSubDomains
age: 27
x-envoy-upstream-service-time: 23
content-length: 1269
x-xss-protection: 1; mode=block
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x-frame-options: deny
vary: Accept-Encoding
content-type: text/javascript
access-control-allow-origin: *
cache-control: public, max-age=3600, s-maxage=60, stale-while-revalidate=315360000, stale-if-error=315360000
x-envoy-attempt-count: 1
accept-ranges: bytes
timing-allow-origin: *

GET
H2 200 welcome-f264abcd.js Show response
substackcdn.com/bundle/assets/ 13 KB
5 KB 148ms
47ms Script
application/javascript 2600:9000:206f:4000:4:b4b9:d3c0:93a1
AMAZON-02

General

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Full URL: https://substackcdn.com/bundle/assets/welcome-f264abcd.js
Requested by: Host: whatwelearn.io
URL: https://whatwelearn.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:206f:4000:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: adde309cddfd960497c37aaca190e79e0fff48757db9509f7be18a5dd9867d6f

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://whatwelearn.io/
Origin: https://whatwelearn.io
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 18:58:21 GMT
content-encoding: br
via: 1.1 910fc18161f0602555cc5b6397ca26f2.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-C1
age: 1385
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
x-amz-expiration: expiry-date="Wed, 11 Dec 2024 00:00:00 GMT", rule-id="StaticAssetIntelligentTiering"
last-modified: Thu, 13 Jun 2024 18:48:14 GMT
server: AmazonS3
etag: W/"89ccf393b488af5332bcc83ff6e18202"
vary: Accept-Encoding
content-type: application/javascript
access-control-allow-origin: *
cache-control: public, max-age=31536000, immutable
x-amz-cf-id: Bo2OCxrIrJwCLzbvJzL5XAu-UDaV8kP0hTUkgIGOGSh97poTaaGkSQ==

GET
H2 200 beacon.min.js Show response
static.cloudflareinsights.com/ 19 KB
7 KB 288ms
114ms Script
text/javascript 2606:4700::6810:5049
CLOUDFLARENET

General

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Full URL: https://static.cloudflareinsights.com/beacon.min.js
Requested by: Host: whatwelearn.io
URL: https://whatwelearn.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700::6810:5049 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
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Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://whatwelearn.io/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 19:21:27 GMT
content-encoding: gzip
last-modified: Thu, 06 Jun 2024 15:52:56 GMT
server: cloudflare
etag: W/"2024.6.1"
vary: Accept-Encoding
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access-control-allow-origin: *
cache-control: public, max-age=86400
cross-origin-resource-policy: cross-origin
cf-ray: 893471980c3dbbbb-FRA

GET
H2 200 vcd15cbe7772f49c399c6a5babf22c1241717689176015 Show response
static.cloudflareinsights.com/beacon.min.js/ 19 KB
7 KB 235ms
120ms Script
text/javascript 2606:4700::6810:5049
CLOUDFLARENET

General

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Full URL: https://static.cloudflareinsights.com/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c1241717689176015
Requested by: Host: whatwelearn.io
URL: https://whatwelearn.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700::6810:5049 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
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Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://whatwelearn.io/
Origin: https://whatwelearn.io
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 19:21:27 GMT
content-encoding: gzip
last-modified: Thu, 06 Jun 2024 15:52:56 GMT
server: cloudflare
etag: W/"2024.6.1"
vary: Accept-Encoding
content-type: text/javascript;charset=UTF-8
access-control-allow-origin: *
cache-control: public, max-age=86400
cross-origin-resource-policy: cross-origin
cf-ray: 89347197ae615c80-FRA

GET
H2 200 datadog-rum.js Show response
www.datadoghq-browser-agent.com/us1/v5/ 159 KB
50 KB 442ms
64ms Script
application/javascript 13.33.218.24
AMAZON-02

General

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Full URL: https://www.datadoghq-browser-agent.com/us1/v5/datadog-rum.js
Requested by: Host: whatwelearn.io
URL: https://whatwelearn.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 13.33.218.24 , United States, ASN16509 (AMAZON-02, US),
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Software: AmazonS3 /
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Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://whatwelearn.io/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 19:20:54 GMT
content-encoding: br
via: 1.1 38f2daae6c849ed5f695333a9d4104ae.cloudfront.net (CloudFront)
last-modified: Tue, 11 Jun 2024 09:55:26 GMT
server: AmazonS3
x-amz-cf-pop: FRA60-P10
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x-amz-server-side-encryption: AES256
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timing-allow-origin: *
x-amz-cf-id: dMm0dsPnivkq79epqcujtJ7XbzlCccJXQu-h4HCSRXYdMaoysiZ-Hw==

GET
H2 200 entry-20591fe5.js Show response
substackcdn.com/bundle/assets/ 16 KB
5 KB 89ms
87ms Script
application/javascript 2600:9000:206f:4000:4:b4b9:d3c0:93a1
AMAZON-02

General

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Full URL: https://substackcdn.com/bundle/assets/entry-20591fe5.js
Requested by: Host: whatwelearn.io
URL: https://whatwelearn.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:206f:4000:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
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Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://substackcdn.com/bundle/assets/welcome-f264abcd.js
Origin: https://whatwelearn.io
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 18:58:20 GMT
content-encoding: br
via: 1.1 910fc18161f0602555cc5b6397ca26f2.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-C1
age: 1388
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
x-amz-expiration: expiry-date="Wed, 11 Dec 2024 00:00:00 GMT", rule-id="StaticAssetIntelligentTiering"
last-modified: Thu, 13 Jun 2024 18:48:14 GMT
server: AmazonS3
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vary: Accept-Encoding
content-type: application/javascript
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x-amz-cf-id: 2k9aIQKGYleBICUfs1pT9Ff-djxFdqt8YX1AQjksHEDi4gR5ggXQkQ==

GET
H2 200 user-e14e8ac1.js Show response
substackcdn.com/bundle/assets/ 10 KB
5 KB 90ms
88ms Script
application/javascript 2600:9000:206f:4000:4:b4b9:d3c0:93a1
AMAZON-02

General

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Full URL: https://substackcdn.com/bundle/assets/user-e14e8ac1.js
Requested by: Host: whatwelearn.io
URL: https://whatwelearn.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:206f:4000:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
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Software: AmazonS3 /
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Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://substackcdn.com/bundle/assets/welcome-f264abcd.js
Origin: https://whatwelearn.io
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 18:58:20 GMT
content-encoding: br
via: 1.1 910fc18161f0602555cc5b6397ca26f2.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-C1
age: 1388
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x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
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last-modified: Thu, 13 Jun 2024 18:48:14 GMT
server: AmazonS3
etag: W/"32539de2298f074e79a25a397f5ffc25"
vary: Accept-Encoding
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x-amz-cf-id: 6KuRIUmWjoAvVuwnmUWrnoah9xAeKYk09MOAiiktl8sVwpX9E1qYzw==

GET
H2 200 profile-d6832b90.js Show response
substackcdn.com/bundle/assets/ 11 KB
5 KB 91ms
89ms Script
application/javascript 2600:9000:206f:4000:4:b4b9:d3c0:93a1
AMAZON-02

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Full URL: https://substackcdn.com/bundle/assets/profile-d6832b90.js
Requested by: Host: whatwelearn.io
URL: https://whatwelearn.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:206f:4000:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
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Software: AmazonS3 /
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Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://substackcdn.com/bundle/assets/welcome-f264abcd.js
Origin: https://whatwelearn.io
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 18:58:20 GMT
content-encoding: br
via: 1.1 910fc18161f0602555cc5b6397ca26f2.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-C1
age: 1388
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
x-amz-expiration: expiry-date="Wed, 11 Dec 2024 00:00:00 GMT", rule-id="StaticAssetIntelligentTiering"
last-modified: Thu, 13 Jun 2024 18:48:14 GMT
server: AmazonS3
etag: W/"5b4429ed2185cbcc651a5ce4a725a98c"
vary: Accept-Encoding
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x-amz-cf-id: 8zYkj8v0kV8EUGyCeFtRZzO9QJe0anVdzpK48SJiHHCfdutYjUnmfw==

GET
H2 200 tracking-2fad54df.js Show response
substackcdn.com/bundle/assets/ 310 KB
97 KB 97ms
96ms Script
application/javascript 2600:9000:206f:4000:4:b4b9:d3c0:93a1
AMAZON-02

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Full URL: https://substackcdn.com/bundle/assets/tracking-2fad54df.js
Requested by: Host: whatwelearn.io
URL: https://whatwelearn.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:206f:4000:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
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Software: AmazonS3 /
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Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://substackcdn.com/bundle/assets/welcome-f264abcd.js
Origin: https://whatwelearn.io
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 18:58:20 GMT
content-encoding: br
via: 1.1 910fc18161f0602555cc5b6397ca26f2.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-C1
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x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront
alt-svc: h3=":443"; ma=86400
x-amz-expiration: expiry-date="Wed, 11 Dec 2024 00:00:00 GMT", rule-id="StaticAssetIntelligentTiering"
last-modified: Thu, 13 Jun 2024 18:48:14 GMT
server: AmazonS3
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vary: Accept-Encoding
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GET
H2 200 CustomDomainLoginHelper-edb6f9fe.js Show response
substackcdn.com/bundle/assets/ 3 KB
2 KB 198ms
197ms Script
application/javascript 2600:9000:206f:4000:4:b4b9:d3c0:93a1
AMAZON-02

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Full URL: https://substackcdn.com/bundle/assets/CustomDomainLoginHelper-edb6f9fe.js
Requested by: Host: whatwelearn.io
URL: https://whatwelearn.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:206f:4000:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
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Protocol

Security

QUIC, , AES_128_GCM

Server

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Reverse DNS

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Response headers

date: Thu, 13 Jun 2024 19:21:28 GMT
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GET
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1 KB 218ms
217ms XHR
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CLOUDFLARENET

General

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Full URL

https://whatwelearn.io/api/v1/homepage_links

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Host: www.datadoghq-browser-agent.com
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Protocol

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Reverse DNS

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Response headers

date: Thu, 13 Jun 2024 19:21:28 GMT
strict-transport-security: max-age=31536000
x-cluster: substack
cf-cache-status: DYNAMIC
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GET
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263ms XHR
application/json 172.64.147.169
CLOUDFLARENET

General

Check archive.org

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Full URL

https://whatwelearn.io/api/v1/archive?sort=new&limit=23

Requested by

Host: www.datadoghq-browser-agent.com
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Protocol

Security

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sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 19:21:28 GMT
content-encoding: gzip
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cf-cache-status: DYNAMIC
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GET
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248ms XHR
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CLOUDFLARENET

General

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Full URL

https://whatwelearn.io/api/v1/archive?sort=pinned

Requested by

Host: www.datadoghq-browser-agent.com
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Protocol

Security

QUIC, , AES_128_GCM

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sec-ch-ua-mobile: ?0
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Response headers

date: Thu, 13 Jun 2024 19:21:28 GMT
content-encoding: gzip
x-cluster: substack
cf-cache-status: DYNAMIC
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CLOUDFLARENET

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https://whatwelearn.io/api/v1/recommendations/from/1793029?limit=5

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Host: www.datadoghq-browser-agent.com
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Protocol

Security

QUIC, , AES_128_GCM

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Reverse DNS

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Response headers

date: Thu, 13 Jun 2024 19:21:28 GMT
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GET
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application/json 172.64.147.169
CLOUDFLARENET

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Full URL

https://whatwelearn.io/api/v1/archive?sort=top&limit=7

Requested by

Host: www.datadoghq-browser-agent.com
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Protocol

Security

QUIC, , AES_128_GCM

Server

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Reverse DNS

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Response headers

date: Thu, 13 Jun 2024 19:21:28 GMT
content-encoding: gzip
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GET
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CLOUDFLARENET

General

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Full URL

https://whatwelearn.io/api/v1/homepage_data

Requested by

Host: www.datadoghq-browser-agent.com
URL: https://www.datadoghq-browser-agent.com/us1/v5/datadog-rum.js

Protocol

Security

QUIC, , AES_128_GCM

Server

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Response headers

date: Thu, 13 Jun 2024 19:21:28 GMT
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AMAZON-02

General

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Response headers

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Full URL: https://substackcdn.com/bundle/assets/list-5d8e94be.js
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AMAZON-02

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Full URL

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Protocol

Security

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Server

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AMAZON-02

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Show headers Download Go to Show image

Full URL

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Protocol

Security

QUIC, , AES_128_GCM

Server

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AMAZON-02

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https://substackcdn.com/image/fetch/w_320,h_213,c_fill,f_webp,q_auto:good,fl_progressive:steep,g_center/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F6dcfb312-a8f7-4f8c-a70c-1f8f598abc9a_4259x3724.jpeg

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Security

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AMAZON-02

General

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Show headers Download Go to Show image

Full URL

Requested by

Host: whatwelearn.io
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Protocol

Security

QUIC, , AES_128_GCM

Server

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Response headers

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AMAZON-02

General

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Show headers Download Go to Show image

Full URL

https://substackcdn.com/image/fetch/w_320,h_213,c_fill,f_webp,q_auto:good,fl_progressive:steep,g_center/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff9b0740e-f8f2-4824-8c8e-90d5418aca1b_1500x1500.jpeg

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Security

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Show headers Download Go to Show image

Full URL

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Protocol

Security

QUIC, , AES_128_GCM

Server

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Response headers

date: Thu, 13 Jun 2024 19:21:29 GMT
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GET
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85 KB 172ms
75ms Script
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GOOGLE

General

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https://www.googletagmanager.com/gtag/js?id=AW-316245675&l=localGaDataLayer

Requested by

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date: Thu, 13 Jun 2024 19:21:29 GMT
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POST
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cloudflareinsights.com/cdn-cgi/ 0
37 B 62ms
62ms XHR
text/plain 2606:4700::6810:5049
CLOUDFLARENET

General

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Full URL

https://cloudflareinsights.com/cdn-cgi/rum

Requested by

Host: www.datadoghq-browser-agent.com
URL: https://www.datadoghq-browser-agent.com/us1/v5/datadog-rum.js

Protocol

Security

TLS 1.3, , AES_128_GCM

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
content-type: application/json

Response headers

date: Thu, 13 Jun 2024 19:21:29 GMT
x-content-type-options: nosniff
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vary: Origin
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CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://cloudflareinsights.com/cdn-cgi/rum

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:5049 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

Security Headers

Name	Value
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Request headers

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server: cloudflare
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GET
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2 KB 43ms
42ms Other
image/jpeg 65.9.66.32
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://substackcdn.com/image/fetch/f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64ca1f72-7c25-4a75-86bd-f87373475de1%2Ffavicon.ico

Protocol

Security

QUIC, , AES_128_GCM

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

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Software

imgproxy / Express

Resource Hash

e5ed6fccdb7c706763949d02f34a6a752c1a7dc0a0e602639a1f9c2a664f5a71

Security Headers

Name	Value
Content-Security-Policy	script-src 'none'

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://whatwelearn.io/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 07 Jun 2024 18:28:19 GMT
content-security-policy: script-src 'none'
via: 1.1 3dd91613764eafe7ad199013ce202442.cloudfront.net (CloudFront)
age: 521590
x-amz-cf-pop: FRA56-C1
x-powered-by: Express
x-cache: Hit from cloudfront
content-disposition: inline; filename="favicon.jpg"
alt-svc: h3=":443"; ma=86400
content-length: 1521
x-request-id: f3G3hOZTwRY0xnXlZ-wSw
server: imgproxy
etag: "yj0WO6sFU4GCciYUBWjzvvfqrBh869doeOC2Pp5EI1Y/RIjhjMzU1NDljZjhhODk1NjBkNzU5YTYzOTc3NzUyOWMwIg"
content-type: image/jpeg
cache-control: public, max-age=31536000
x-amz-cf-id: Nlb57PW5_nxrhaOgRj1cHviQk0mKWuy-nO_tGc_TP-Vs7SZ8EvCq1w==

GET
H3 200 https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64ca1f72-7c25-4a75-86bd-f87373475de1%2Ffavicon-32x32.png
substackcdn.com/image/fetch/f_auto,q_auto:good,fl_progressive:steep/ 1 KB
1 KB 138ms
138ms Other
image/jpeg 65.9.66.32
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://substackcdn.com/image/fetch/f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64ca1f72-7c25-4a75-86bd-f87373475de1%2Ffavicon-32x32.png

Protocol

Security

QUIC, , AES_128_GCM

Server

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

Reverse DNS

server-65-9-66-32.fra56.r.cloudfront.net

Software

imgproxy / Express

Resource Hash

610a875f83c7555c394c6d0facffdee88e0be36ff679f97af3e7192f6038d2a1

Security Headers

Name	Value
Content-Security-Policy	script-src 'none'

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://whatwelearn.io/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 07 Jun 2024 18:28:16 GMT
content-security-policy: script-src 'none'
via: 1.1 3dd91613764eafe7ad199013ce202442.cloudfront.net (CloudFront)
age: 521593
x-amz-cf-pop: FRA56-C1
x-powered-by: Express
x-cache: Hit from cloudfront
content-disposition: inline; filename="favicon-32x32.jpg"
alt-svc: h3=":443"; ma=86400
content-length: 1058
x-request-id: Wozu9ENx0pLz0nYV-2cEw
server: imgproxy
etag: "yj0WO6sFU4GCciYUBWjzvvfqrBh869doeOC2Pp5EI1Y/RImU5NGQwZDFkMDBmODkwOTNmMjRlOWZiNTNmNDIzMmU4Ig"
content-type: image/jpeg
cache-control: public, max-age=31536000
x-amz-cf-id: FNR1Uq1sMpG2uY-VhOZwNDsv-ZyVqf2ghKunrApEd3GPTXCX9Y6t2A==

Verdicts & Comments Add Verdict or Comment

19 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.

14 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
.whatwelearn.io/	1970-01-21 06:04:02	Name: ab_experiment_sampled Value: %22false%22
.whatwelearn.io/	1970-01-21 06:04:02	Name: ab_testing_id Value: %221a87321c-e2f9-4dba-ac3e-de9d26ee96e9%22
.whatwelearn.io/	1970-01-20 21:18:28	Name: __cf_bm Value: P.JXNMVa6.4Ke2PLax_iSu7OVB8EAZ250L0FKWcUy8Y-1718306486-1.0.1.1-RGM0VTuWeZovhRQ8UnkN4c6ZgDgwuugkHcItDYV4kr5RqPyuX6O7iFpZwI12ERyjpTLmmyDJevo4o33jh3cNFQ
whatwelearn.io/	1970-01-21 06:04:02	Name: ajs_anonymous_id Value: %22e184e773-6d74-406d-8fd9-ca75bc6b2645%22
.whatwelearn.io/	1970-01-21 06:04:02	Name: ajs_anonymous_id Value: %22e184e773-6d74-406d-8fd9-ca75bc6b2645%22
.whatwelearn.io/	1970-01-20 21:18:28	Name: visit_id Value: %7B%22id%22%3A%22ef48e541-9822-4549-a665-1985c8f46c76%22%2C%22timestamp%22%3A%222024-06-13T19%3A21%3A27.568Z%22%7D
.substack.com/	1970-01-20 23:28:02	Name: cookie_storage_key Value: f4312cc5-d698-4023-abc4-1b530eab72d3
.whatwelearn.io/	1970-01-20 23:28:02	Name: cookie_storage_key Value: 555ce6b4-95a5-4809-bb74-d778a2645339
substack.com/	1970-01-20 21:28:31	Name: AWSALBTGCORS Value: 0pp9jlsqqKI2rJ7RQaK2nF71DDDrOQceUDcpdrMlsiJiYeCNIAT/JxFn5xDP4kzPjDofCexIgsfb+JqykOxj0QTSzNb+G6gX1Sw/9e0RLKCDVnZCfWKAokBUON4l9T4/y1p4f4PLltE3Qsb3DPsU4zakH7Nlrjs7ZkkTG5nsuPvC
.substack.com/	1970-01-20 21:18:28	Name: __cf_bm Value: GX4bMW4f4VQappgm5Ws__3HT17dqmBqfGsqu8w0frs4-1718306488-1.0.1.1-PvVAI6C8ZtvSv.2CGN1WFMt5EjN9c6dy4qrejsGSUpMP6zX2fYIvTOTWjolOGGjNVBKhnOiR5jn7i8vtkFr8lw
whatwelearn.io/	1970-01-20 21:28:31	Name: AWSALBTG Value: mzYctHbLfeweSMm++7q/s5PVweRyL9X4oi9wh10NXTy5W5qBPB/Q7WZhE8BqCWoKCnAlvRavjafQOUA6ALxmK9lo6WrLzLnE8u5z4VdLHAmEdBDMowhNwABVTmhAnecKNaIDC0Ihj4KeOFDTX+JyAuUdvp87IJ3RCUrOgjaZ5gXo
whatwelearn.io/	1970-01-20 21:28:31	Name: AWSALBTGCORS Value: mzYctHbLfeweSMm++7q/s5PVweRyL9X4oi9wh10NXTy5W5qBPB/Q7WZhE8BqCWoKCnAlvRavjafQOUA6ALxmK9lo6WrLzLnE8u5z4VdLHAmEdBDMowhNwABVTmhAnecKNaIDC0Ihj4KeOFDTX+JyAuUdvp87IJ3RCUrOgjaZ5gXo
.whatwelearn.io/	1970-01-20 23:28:02	Name: _gcl_au Value: 1.1.492464204.1718306490
whatwelearn.io/	1970-01-20 21:18:27	Name: _dd_s Value: rum=0&expire=1718307387713

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header	Value
Strict-Transport-Security	max-age=31536000
X-Frame-Options	sameorigin

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

cloudflareinsights.com
fonts.gstatic.com
js.sentry-cdn.com
static.cloudflareinsights.com
substack.com
substackcdn.com
whatwelearn.io
www.datadoghq-browser-agent.com
www.googletagmanager.com
13.33.218.24
172.64.147.169
172.64.154.11
2600:9000:206f:4000:4:b4b9:d3c0:93a1
2606:4700::6810:5049
2a00:1450:4001:810::2003
2a00:1450:4001:830::2008
2a04:4e42:200::729
65.9.66.32
0019cd12d29189e13f1252ee710b4663c4b603fe67ebdea9bd681a250eee3eda
03468b3d4b942a205bfd4ff99b99a9469273f98934a07c6373e373482ef08245
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058f0cc69e7aa0c14d344a65002b5468ce855b9b0da61a85afc7362d3a758256
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07f78af777f72e7d0837a00f632051f88e8bb5baa92e1851c6ff28b9a50d2b3f
09848637843f40352c7ba9aec20a42daad52574a8520a287ad689404205ae74b
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0b3788dc84102accf26c0d28ca0b74b944ab5900e5033c9b15317c3d27c4a454
0bad87012e7ed260fddc8b0cb3a6ea16cd655ab258af2b8c8a289b06e8ba03ec
0c34c8db94286c64729d2c01aaa27d8566698fe674e6de9a45cea5b8d582e1ab
0d9aca19e0600bc2237fec5301bca880d9a26e9d6c2e002a452ea37adc4535af
0db3ad49c934a9370ca0878d2ad0bd6a4f7056944c4b6853d474b4b96e91da45
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whatwelearn.io Open in urlscan Pro 172.64.147.169 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

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Page Title

Detected technologies

Page Statistics

256 Requests

100 %HTTPS

56 %IPv6

8 Domains

9 Subdomains

9 IPs

3 Countries

1458 kBTransfer

4053 kBSize

14 Cookies

10 Outgoing links

Redirected requests

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

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whatwelearn.io Open in urlscan Pro
172.64.147.169 Public Scan

Screenshot
Live screenshot

Full Image

256
Requests

100 %
HTTPS

56 %
IPv6

8
Domains

9
Subdomains

9
IPs

3
Countries

1458 kB
Transfer

4053 kB
Size

14
Cookies

256 HTTP transactions
0 data transactions