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www.3blue1brown.com Open in urlscan Pro
2a05:d014:58f:6200::64  Public Scan

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Submitted URL: https://3blue1brown.com/lessons/attention
Effective URL: https://www.3blue1brown.com/lessons/attention
Submission Tags: falconsandbox
Submission: On April 15 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 7 IPs in 2 countries across 7 domains to perform 48 HTTP transactions. The main IP is 2a05:d014:58f:6200::64, located in Frankfurt am Main, Germany and belongs to AMAZON-02, US. The main domain is www.3blue1brown.com.
TLS certificate: Issued by R3 on March 13th 2024. Valid for: 3 months.
This is the only time www.3blue1brown.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 75.2.60.5 16509 (AMAZON-02)
28 2a05:d014:58f... 16509 (AMAZON-02)
4 2606:4700:e6:... 13335 (CLOUDFLAR...)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
7 2a00:1450:400... 15169 (GOOGLE)
1 2001:4860:480... 15169 (GOOGLE)
6 34.120.195.249 396982 (GOOGLE-CL...)
48 7
1    75.2.60.5 (United States)

ASN16509 (AMAZON-02, US)
PTR: acd89244c803f7181.awsglobalaccelerator.com
3blue1brown.com
28    2a05:d014:58f:6200::64 (Frankfurt am Main, Germany)

ASN16509 (AMAZON-02, US)
www.3blue1brown.com
4    2606:4700:e6::ac40:cf26 (United States)

ASN13335 (CLOUDFLARENET, US)
use.fontawesome.com
1    2a00:1450:4001:830::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
1    2a00:1450:4001:812::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
img.youtube.com
7    2a00:1450:4001:81d::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.gstatic.com
1    2001:4860:4802:34::36 (United States)

ASN15169 (GOOGLE, US)
region1.google-analytics.com
6    34.120.195.249 (Kansas City, United States)

ASN396982 (GOOGLE-CLOUD-PLATFORM, US)
PTR: 249.195.120.34.bc.googleusercontent.com
o932861.ingest.sentry.io
Apex Domain
Subdomains		 Transfer
29 3blue1brown.com
3blue1brown.com
www.3blue1brown.com
754 KB
7 gstatic.com
fonts.gstatic.com
191 KB
6 sentry.io
o932861.ingest.sentry.io
782 B
4 fontawesome.com
use.fontawesome.com — Cisco Umbrella Rank: 1225
299 KB
1 google-analytics.com
region1.google-analytics.com — Cisco Umbrella Rank: 2548
257 B
1 youtube.com
img.youtube.com — Cisco Umbrella Rank: 3251
105 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 42
91 KB
48 7
Domain Requested by
28 www.3blue1brown.com www.3blue1brown.com
7 fonts.gstatic.com www.3blue1brown.com
6 o932861.ingest.sentry.io www.3blue1brown.com
4 use.fontawesome.com www.3blue1brown.com
use.fontawesome.com
1 region1.google-analytics.com www.googletagmanager.com
1 img.youtube.com www.3blue1brown.com
1 www.googletagmanager.com www.3blue1brown.com
1 3blue1brown.com 1 redirects
48 8

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

Domain
store.dftba.com
github.com
www.patreon.com
Subject Issuer Validity Valid
3b1b.co
R3		 2024-03-13 -
2024-06-11		 3 months crt.sh
use.fontawesome.com
Cloudflare Inc ECC CA-3		 2023-10-12 -
2024-10-10		 a year crt.sh
*.google-analytics.com
GTS CA 1C3		 2024-03-04 -
2024-05-27		 3 months crt.sh
*.google.com
GTS CA 1C3		 2024-03-04 -
2024-05-27		 3 months crt.sh
*.gstatic.com
GTS CA 1C3		 2024-03-04 -
2024-05-27		 3 months crt.sh
ingest.sentry.io
DigiCert Global G2 TLS RSA SHA256 2020 CA1		 2023-11-02 -
2024-12-02		 a year crt.sh

This page contains 1 frames:

Primary Page: https://www.3blue1brown.com/lessons/attention
Frame ID: 3FE3F0F77946529D2DBE38D4A25886FF
Requests: 48 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

3Blue1Brown - Visualizing Attention, a Transformer's Heart | Chapter 6, Deep Learning

Page URL History Show full URLs

  1. https://3blue1brown.com/lessons/attention HTTP 301
    https://www.3blue1brown.com/lessons/attention Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
Overall confidence: 100%
Detected patterns
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

Page Statistics

48
Requests

100 %
HTTPS

75 %
IPv6

7
Domains

8
Subdomains

7
IPs

2
Countries

1442 kB
Transfer

3694 kB
Size

2
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. https://3blue1brown.com/lessons/attention HTTP 301
    https://www.3blue1brown.com/lessons/attention Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

48 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request attention
www.3blue1brown.com/lessons/
Redirect Chain
  • https://3blue1brown.com/lessons/attention
  • https://www.3blue1brown.com/lessons/attention
301 KB
66 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
99e7a4181ff1150eb38087ef3495bd2fe94a6d9ed262cbfb4c1d24f6e618ce06
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

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/123.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

accept-ranges
bytes
age
78540
cache-control
public,max-age=0,must-revalidate
cache-status
"Netlify Edge"; hit
content-encoding
br
content-length
67077
content-type
text/html; charset=UTF-8
date
Mon, 15 Apr 2024 07:51:52 GMT
etag
"d84074295f7b7f62951965ecd30b4c4b-ssl-df"
netlify-vary
cookie=__next_preview_data:presence|__prerender_bypass:presence
server
Netlify
strict-transport-security
max-age=31536000
vary
Accept-Encoding
x-nf-request-id
01HVGBVCKJR9P6HH2TWNHJSFEA

Redirect headers

content-length
60
content-type
text/plain; charset=utf-8
date
Mon, 15 Apr 2024 07:51:52 GMT
location
https://www.3blue1brown.com/lessons/attention
server
Netlify
strict-transport-security
max-age=31536000
x-nf-request-id
01HVGBVCH4P1PA771VFFQ7MVCB
all.css
use.fontawesome.com/releases/v6.1.1/css/ 		98 KB
21 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://use.fontawesome.com/releases/v6.1.1/css/all.css
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:e6::ac40:cf26 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0df5a33710e433de1f5415b1d47e4130ca7466aee5b81955f1045c4844bbb3ed

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
cf-cache-status
HIT
last-modified
Fri, 22 Sep 2023 01:46:14 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
age
2036601
etag
W/"6386fb409d4a2abc96eee7be8f6d4cc4"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=T9Vynm4opFhVrnUIbadROeur77ANLUumlikUkQ%2Bguqg7TKKTmZ0QzM1%2FVF%2FAuyhKsimc5Zemq57e22jRHdj7FSDImdtu7q9%2BvscP4Wj1DXd4jUsPLy6BrRJDbAK%2Fj9dKUzO%2BPn5E3NIpUxuVtg4l6Bg2"}],"group":"cf-nel","max_age":604800}
content-type
text/css
cache-control
max-age=31556926
cf-ray
874a5a578d5f3738-FRA
alt-svc
h3=":443"; ma=86400
js
www.googletagmanager.com/gtag/ 		261 KB
91 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=G-907C32EXHD
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:830::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
d2d052545f49820495dd2e5903ac7612e53a37a5d630d3a735368b872a9cac52
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
93146
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Mon, 15 Apr 2024 07:51:52 GMT
b165666056315602.css
www.3blue1brown.com/_next/static/css/ 		27 KB
4 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/css/b165666056315602.css
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
53019d73823a64a4ec811daf64d3805ef7fae06b5e09ce45e988e4f22f1fd6e9
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCMEF1SFHRKR7A0739EC
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
strict-transport-security
max-age=31536000
server
Netlify
age
49366
cache-status
"Netlify Edge"; hit
etag
"d9598701835b56d2c0d2d0bbf1b693dd-ssl-df"
vary
Accept-Encoding
content-type
text/css; charset=UTF-8
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
4434
6052328135098717.css
www.3blue1brown.com/_next/static/css/ 		36 KB
7 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/css/6052328135098717.css
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
34b1983966065f2501b9662eb81cf12b95d7204ea536f2e3df01690ff8731706
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCMEQJZPMAC7D204G5QJ
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
strict-transport-security
max-age=31536000
server
Netlify
age
65234
cache-status
"Netlify Edge"; hit
etag
"6cf1931defa41e5e8fc16e55650ba148-ssl-df"
vary
Accept-Encoding
content-type
text/css; charset=UTF-8
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
7114
9788f2abd2eb923c.css
www.3blue1brown.com/_next/static/css/ 		5 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/css/9788f2abd2eb923c.css
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
695bbe2defcb44dbb6d72515bba5a1d4f9e1afaecd00f98ca24305c6679a7daf
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCMEMQAHE3WHHZ16TQ1J
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
strict-transport-security
max-age=31536000
server
Netlify
age
137190
cache-status
"Netlify Edge"; hit
etag
"345c7c03498439b41f795d10e68f5a7c-ssl-df"
vary
Accept-Encoding
content-type
text/css; charset=UTF-8
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
1589
webpack-4b0620617786f97d.js
www.3blue1brown.com/_next/static/chunks/ 		6 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/chunks/webpack-4b0620617786f97d.js
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
7e239db105d449c882850c203e67c2cf24c2337c997baa6f1fd7d435790e07fc
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCQ3J861ZM59ABNN4A1E
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
strict-transport-security
max-age=31536000
server
Netlify
age
137190
cache-status
"Netlify Edge"; hit
etag
"39c4dadaffab96f5794fb2bd9b8f9558-ssl-df"
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
2750
framework-67ffd913504c6fc8.js
www.3blue1brown.com/_next/static/chunks/ 		138 KB
43 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/chunks/framework-67ffd913504c6fc8.js
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
dd790f49358c61ccd3bff3505d3a13e9b93390e98087d1876eed40b3f7c3f63e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCQ3RBGSJEDPY9BTVB2Y
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
strict-transport-security
max-age=31536000
server
Netlify
age
55052
cache-status
"Netlify Edge"; hit
etag
"ae601065f89ed3c41cd55ece234430a6-ssl-df"
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
43697
main-5bd8c83b552524a4.js
www.3blue1brown.com/_next/static/chunks/ 		115 KB
31 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/chunks/main-5bd8c83b552524a4.js
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
e74538a6eab1270cfb6967ae30a3593d4b4a411cd3738e36ae4f252c1695f404
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCQ34WZYWAY40JHM91X6
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
strict-transport-security
max-age=31536000
server
Netlify
age
55052
cache-status
"Netlify Edge"; hit
etag
"7c9eed93ab3ab9b75cfc1e5701cb9af1-ssl-df"
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
31666
_app-ea9b1f00a9f60776.js
www.3blue1brown.com/_next/static/chunks/pages/ 		109 KB
32 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/chunks/pages/_app-ea9b1f00a9f60776.js
Requested by
Host: www.3blue1brown.com
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
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sec-ch-ua-mobile
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Response headers

x-nf-request-id
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date
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content-encoding
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vary
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66 KB 		Script
General
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https://www.3blue1brown.com/_next/static/chunks/b5f2ed29-d9b46a1360638323.js
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
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Netlify /
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Request headers

sec-ch-ua
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Referer
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Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

x-nf-request-id
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date
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content-encoding
br
strict-transport-security
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etag
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vary
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200-dd9f7920ffe4362a.js
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99 KB 		Script
General
Check archive.org
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https://www.3blue1brown.com/_next/static/chunks/200-dd9f7920ffe4362a.js
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
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Netlify /
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
Accept-Language
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sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

x-nf-request-id
01HVGBVCQ3FCPEH618J1E3TQ79
date
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content-encoding
br
strict-transport-security
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age
49366
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etag
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vary
Accept-Encoding
content-type
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101181
929-d17d709128ffabbd.js
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140 KB 		Script
General
Check archive.org
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https://www.3blue1brown.com/_next/static/chunks/929-d17d709128ffabbd.js
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
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Software
Netlify /
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sec-ch-ua
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Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
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Response headers

x-nf-request-id
01HVGBVCQ3YBK9QDBS6ZAVK0VA
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
strict-transport-security
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161563
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etag
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vary
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5 KB 		Script
General
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https://www.3blue1brown.com/_next/static/chunks/pages/lessons/%5Bslug%5D-1c78a02bd8efee42.js
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
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Software
Netlify /
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Security Headers
Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

x-nf-request-id
01HVGBVCQ3R067S1CMFV6T3FK6
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
strict-transport-security
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etag
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vary
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567 B 		Script
General
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https://www.3blue1brown.com/_next/static/3DhWYCoNn9OYED4lEBxkU/_buildManifest.js
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Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
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Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
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Accept-Language
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sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

x-nf-request-id
01HVGBVCQ33N5ZC2CC0154JBKF
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
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strict-transport-security
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etag
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vary
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public,max-age=0,must-revalidate
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477
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288 B 		Script
General
Check archive.org
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https://www.3blue1brown.com/_next/static/3DhWYCoNn9OYED4lEBxkU/_ssgManifest.js
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
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Security Headers
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Request headers

sec-ch-ua
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Accept-Language
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sec-ch-ua-mobile
?0
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sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCQ33GV2FJB7C71898TC
date
Mon, 15 Apr 2024 07:51:52 GMT
strict-transport-security
max-age=31536000
server
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age
137189
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content-length
196
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105 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://img.youtube.com/vi/eMlx5fFNoYc/maxresdefault.jpg
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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sffe /
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sec-ch-ua
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de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
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sec-ch-ua-platform
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Response headers

date
Mon, 15 Apr 2024 07:49:07 GMT
x-content-type-options
nosniff
age
165
cross-origin-resource-policy
cross-origin
alt-svc
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37 KB 		Font
General
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https://fonts.gstatic.com/s/lora/v35/0QIvMX1D_JOuMwr7I_FMl_E.woff2
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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sec-ch-ua
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Referer
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sec-ch-ua-mobile
?0
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sec-ch-ua-platform
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Response headers

date
Tue, 09 Apr 2024 02:02:48 GMT
x-content-type-options
nosniff
age
539344
content-security-policy-report-only
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server
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expires
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8 KB 		Font
General
Check archive.org
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Full URL
https://fonts.gstatic.com/s/poppins/v21/pxiEyp8kv8JHgFVrJJfecnFHGPc.woff2
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81d::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
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sffe /
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Name Value
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sec-ch-ua
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Referer
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sec-ch-ua-mobile
?0
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sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 13 Apr 2024 01:53:28 GMT
x-content-type-options
nosniff
age
194304
content-security-policy-report-only
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cross-origin
alt-svc
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last-modified
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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"}]}
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expires
Sun, 13 Apr 2025 01:53:28 GMT
fa-solid-900.woff2
use.fontawesome.com/releases/v6.1.1/webfonts/ 		151 KB
151 KB 		Font
General
Check archive.org
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Full URL
https://use.fontawesome.com/releases/v6.1.1/webfonts/fa-solid-900.woff2
Requested by
Host: use.fontawesome.com
URL: https://use.fontawesome.com/releases/v6.1.1/css/all.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Software
cloudflare /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://use.fontawesome.com/releases/v6.1.1/css/all.css
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Accept-Language
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sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

date
Mon, 15 Apr 2024 07:51:52 GMT
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
300831
alt-svc
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last-modified
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server
cloudflare
etag
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vary
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report-to
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fa-regular-400.woff2
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24 KB 		Font
General
Check archive.org
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Full URL
https://use.fontawesome.com/releases/v6.1.1/webfonts/fa-regular-400.woff2
Requested by
Host: use.fontawesome.com
URL: https://use.fontawesome.com/releases/v6.1.1/css/all.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:e6::ac40:cf26 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://use.fontawesome.com/releases/v6.1.1/css/all.css
Origin
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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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 15 Apr 2024 07:51:52 GMT
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
300831
alt-svc
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23940
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server
cloudflare
etag
"e8a1ba418ee6d897d1339ef22e6d8e60"
vary
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report-to
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40 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/lora/v35/0QIhMX1D_JOuMw_LIftLtfOm8w.woff2
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81d::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/
Origin
https://www.3blue1brown.com
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 09 Apr 2024 01:21:57 GMT
x-content-type-options
nosniff
age
541795
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
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x-xss-protection
0
last-modified
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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
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cache-control
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accept-ranges
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*
expires
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fa-brands-400.woff2
use.fontawesome.com/releases/v6.1.1/webfonts/ 		103 KB
104 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://use.fontawesome.com/releases/v6.1.1/webfonts/fa-brands-400.woff2
Requested by
Host: use.fontawesome.com
URL: https://use.fontawesome.com/releases/v6.1.1/css/all.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:e6::ac40:cf26 , United States, ASN13335 (CLOUDFLARENET, US),
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cloudflare /
Resource Hash
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://use.fontawesome.com/releases/v6.1.1/css/all.css
Origin
https://www.3blue1brown.com
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 15 Apr 2024 07:51:52 GMT
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
1622264
alt-svc
h3=":443"; ma=86400
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105536
last-modified
Fri, 22 Sep 2023 01:46:17 GMT
server
cloudflare
etag
"cd2b4095e9ce66cde642c3502a4022d9"
vary
Origin, Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=IdmYvgpa3M71YyGiLTDVBP1bmtczNhEG%2BlfPoYczd1eBidj%2BDQ3ht3hoGhSQcAoQlkrtF3GhYcK7xEpg%2BQUT5nai6cTdAovgITOtHSFXoxz9PxIA1eVEa1WLMbzVCGp4nkiScDvJgbaQWenhtorNa7s%2F"}],"group":"cf-nel","max_age":604800}
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8 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/poppins/v21/pxiByp8kv8JHgFVrLGT9Z1xlFd2JQEk.woff2
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81d::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/
Origin
https://www.3blue1brown.com
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 12 Apr 2024 23:23:25 GMT
x-content-type-options
nosniff
age
203307
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
7740
x-xss-protection
0
last-modified
Fri, 22 Mar 2024 00:00:33 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
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access-control-allow-origin
*
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*
expires
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0QIvMX1D_JOuMwT7I_FMl_GW8g.woff2
fonts.gstatic.com/s/lora/v35/ 		19 KB
20 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/lora/v35/0QIvMX1D_JOuMwT7I_FMl_GW8g.woff2
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81d::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/
Origin
https://www.3blue1brown.com
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 12 Apr 2024 18:08:13 GMT
x-content-type-options
nosniff
age
222219
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
19920
x-xss-protection
0
last-modified
Wed, 31 Jan 2024 23:11:11 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
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access-control-allow-origin
*
cache-control
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accept-ranges
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timing-allow-origin
*
expires
Sat, 12 Apr 2025 18:08:13 GMT
0QIvMX1D_JOuMw77I_FMl_GW8g.woff2
fonts.gstatic.com/s/lora/v35/ 		21 KB
21 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/lora/v35/0QIvMX1D_JOuMw77I_FMl_GW8g.woff2
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81d::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/
Origin
https://www.3blue1brown.com
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 09 Apr 2024 07:51:15 GMT
x-content-type-options
nosniff
age
518437
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
21140
x-xss-protection
0
last-modified
Wed, 31 Jan 2024 23:11:23 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, 09 Apr 2025 07:51:15 GMT
0QI6MX1D_JOuGQbT0gvTJPa787weuyJF.woff
fonts.gstatic.com/s/lora/v35/ 		58 KB
58 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/lora/v35/0QI6MX1D_JOuGQbT0gvTJPa787weuyJF.woff
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/lessons/attention
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81d::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/
Origin
https://www.3blue1brown.com
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 10 Apr 2024 05:51:47 GMT
x-content-type-options
nosniff
age
439205
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
59416
x-xss-protection
0
last-modified
Wed, 31 Jan 2024 23:16:27 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/woff
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Thu, 10 Apr 2025 05:51:47 GMT
collect
region1.google-analytics.com/g/ 		0
257 B 		Ping
General
Check archive.org
Download Go to
Full URL
https://region1.google-analytics.com/g/collect?v=2&tid=G-907C32EXHD&gtm=45je44a0v870322049za200&_p=1713167512283&gcd=13l3l3l2l1&npa=1&dma_cps=sypham&dma=1&cid=327254392.1713167512&ul=de-de&sr=1600x1200&uaa=x86&uab=64&uafvl=Google%2520Chrome%3B123.0.6312.122%7CNot%253AA-Brand%3B8.0.0.0%7CChromium%3B123.0.6312.122&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&pscdl=noapi&_s=1&dp=%2Flessons%2Fattention&sid=1713167512&sct=1&seg=0&dl=https%3A%2F%2Fwww.3blue1brown.com%2Flessons%2Fattention&dt=3Blue1Brown%20-%20Visualizing%20Attention%2C%20a%20Transformer%27s%20Heart%20%7C%20Chapter%206%2C%20Deep%20Learning&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&tfd=342
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-907C32EXHD
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:34::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Mon, 15 Apr 2024 07:51:52 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.3blue1brown.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
/
o932861.ingest.sentry.io/api/5881803/envelope/ 		2 B
299 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://o932861.ingest.sentry.io/api/5881803/envelope/?sentry_key=3ce68c63823641db95d7bd65d08db5d8&sentry_version=7
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/pages/_app-ea9b1f00a9f60776.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
34.120.195.249 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM, US),
Reverse DNS
249.195.120.34.bc.googleusercontent.com
Software
nginx /
Resource Hash
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform
"Win32"
Referer
https://www.3blue1brown.com/
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/123.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

date
Mon, 15 Apr 2024 07:51:52 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
via
1.1 google
server
nginx
vary
origin,access-control-request-method,access-control-request-headers
content-type
application/json
access-control-allow-origin
*
access-control-expose-headers
x-sentry-error,x-sentry-rate-limits,retry-after
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
2
/
o932861.ingest.sentry.io/api/5881803/envelope/ 		2 B
56 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://o932861.ingest.sentry.io/api/5881803/envelope/?sentry_key=3ce68c63823641db95d7bd65d08db5d8&sentry_version=7
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/pages/_app-ea9b1f00a9f60776.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
34.120.195.249 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM, US),
Reverse DNS
249.195.120.34.bc.googleusercontent.com
Software
nginx /
Resource Hash
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform
"Win32"
Referer
https://www.3blue1brown.com/
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/123.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

date
Mon, 15 Apr 2024 07:51:52 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
via
1.1 google
server
nginx
vary
origin,access-control-request-method,access-control-request-headers
content-type
application/json
access-control-allow-origin
*
access-control-expose-headers
x-sentry-error,x-sentry-rate-limits,retry-after
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
2
/
o932861.ingest.sentry.io/api/5881803/store/ 		41 B
98 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://o932861.ingest.sentry.io/api/5881803/store/?sentry_key=3ce68c63823641db95d7bd65d08db5d8&sentry_version=7
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/pages/_app-ea9b1f00a9f60776.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
34.120.195.249 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM, US),
Reverse DNS
249.195.120.34.bc.googleusercontent.com
Software
nginx /
Resource Hash
297a9cec7634e16d7422be8876a95b82e60baf12cd2d4a2df431505186f9c66d
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform
"Win32"
Referer
https://www.3blue1brown.com/
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/123.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

date
Mon, 15 Apr 2024 07:51:52 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
via
1.1 google
server
nginx
vary
origin,access-control-request-method,access-control-request-headers
content-type
application/json
access-control-allow-origin
*
access-control-expose-headers
x-sentry-error,x-sentry-rate-limits,retry-after
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
41
/
o932861.ingest.sentry.io/api/5881803/store/ 		41 B
95 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://o932861.ingest.sentry.io/api/5881803/store/?sentry_key=3ce68c63823641db95d7bd65d08db5d8&sentry_version=7
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/pages/_app-ea9b1f00a9f60776.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
34.120.195.249 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM, US),
Reverse DNS
249.195.120.34.bc.googleusercontent.com
Software
nginx /
Resource Hash
8141f36c3c52c9430630b9bdc8a6b0284f2c72f08793dd2d9cbaa38d8913b102
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform
"Win32"
Referer
https://www.3blue1brown.com/
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/123.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

date
Mon, 15 Apr 2024 07:51:52 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
via
1.1 google
server
nginx
vary
origin,access-control-request-method,access-control-request-headers
content-type
application/json
access-control-allow-origin
*
access-control-expose-headers
x-sentry-error,x-sentry-rate-limits,retry-after
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
41
/
o932861.ingest.sentry.io/api/5881803/store/ 		41 B
95 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://o932861.ingest.sentry.io/api/5881803/store/?sentry_key=3ce68c63823641db95d7bd65d08db5d8&sentry_version=7
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/pages/_app-ea9b1f00a9f60776.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
34.120.195.249 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM, US),
Reverse DNS
249.195.120.34.bc.googleusercontent.com
Software
nginx /
Resource Hash
a33d6ac522995fd3d99cc0542480aa4575f44aa7e452771724b0b1f7f5e4ad5d
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform
"Win32"
Referer
https://www.3blue1brown.com/
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/123.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

date
Mon, 15 Apr 2024 07:51:52 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
via
1.1 google
server
nginx
vary
origin,access-control-request-method,access-control-request-headers
content-type
application/json
access-control-allow-origin
*
access-control-expose-headers
x-sentry-error,x-sentry-rate-limits,retry-after
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
41
index.json
www.3blue1brown.com/_next/data/3DhWYCoNn9OYED4lEBxkU/ 		218 KB
56 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/data/3DhWYCoNn9OYED4lEBxkU/index.json
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/pages/_app-ea9b1f00a9f60776.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
2342548af9dcc5c29ba1c351da572ca8cf08567fd5c36f79f611d893da23973d
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
purpose
prefetch
x-nextjs-data
1
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/123.0.0.0 Safari/537.36
Referer
https://www.3blue1brown.com/lessons/attention
sentry-trace
763e9769b0a746e482c8abdd78170afd-ac6f61c2caa87118-1
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCY5SXCFXZT2A5ZZ4YQ0
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
strict-transport-security
max-age=31536000
netlify-vary
cookie=__next_preview_data:presence|__prerender_bypass:presence
server
Netlify
age
137179
cache-status
"Netlify Edge"; hit
etag
"ca09986a042856c12882469583b65e06-ssl-df"
vary
Accept-Encoding
content-type
application/json
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
57251
index-5eb7f72bd57c2c86.js
www.3blue1brown.com/_next/static/chunks/pages/ 		0
561 B 		Other
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/chunks/pages/index-5eb7f72bd57c2c86.js
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/main-5bd8c83b552524a4.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCY5B4TZW7593M81W8YT
date
Mon, 15 Apr 2024 07:51:52 GMT
strict-transport-security
max-age=31536000
server
Netlify
age
137179
cache-status
"Netlify Edge"; hit
etag
"457d5baf76352560124c0b52d409d2ad-ssl"
content-type
application/javascript; charset=UTF-8
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
420
neural-networks.json
www.3blue1brown.com/_next/data/3DhWYCoNn9OYED4lEBxkU/topics/ 		85 KB
15 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/data/3DhWYCoNn9OYED4lEBxkU/topics/neural-networks.json?slug=neural-networks
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/pages/_app-ea9b1f00a9f60776.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
5984c234f9b91d7b7f7cc7aecb8f2e254553318378f539dc3c5221623408fdb5
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
purpose
prefetch
x-nextjs-data
1
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/123.0.0.0 Safari/537.36
Referer
https://www.3blue1brown.com/lessons/attention
sentry-trace
763e9769b0a746e482c8abdd78170afd-90cc3794b1b45436-1
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCY5FSK4GKGWNQWJVMYP
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
strict-transport-security
max-age=31536000
netlify-vary
cookie=__next_preview_data:presence|__prerender_bypass:presence
server
Netlify
age
131953
cache-status
"Netlify Edge"; hit
etag
"d07f60e364a0af011933991138aa8d95-ssl-df"
vary
Accept-Encoding
content-type
application/json
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
15591
%5Bslug%5D-997c80bc5c51bb9d.js
www.3blue1brown.com/_next/static/chunks/pages/topics/ 		0
857 B 		Other
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/chunks/pages/topics/%5Bslug%5D-997c80bc5c51bb9d.js
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/main-5bd8c83b552524a4.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCY539XW90ZN6E5G2A6Q
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
strict-transport-security
max-age=31536000
server
Netlify
age
66672
cache-status
"Netlify Edge"; hit
etag
"9e5d70a4fc2b06e698342aa3006952c6-ssl-df"
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
704
gpt.json
www.3blue1brown.com/_next/data/3DhWYCoNn9OYED4lEBxkU/lessons/ 		217 KB
58 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/data/3DhWYCoNn9OYED4lEBxkU/lessons/gpt.json?slug=gpt
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/pages/_app-ea9b1f00a9f60776.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
850e28a6787d774e1766d464d251b1a35c45a9b033cf142084e998b4fd70d6b9
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
purpose
prefetch
x-nextjs-data
1
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/123.0.0.0 Safari/537.36
Referer
https://www.3blue1brown.com/lessons/attention
sentry-trace
763e9769b0a746e482c8abdd78170afd-ac2f723479a6693c-1
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCY6TET13Y80NB99X4NB
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
strict-transport-security
max-age=31536000
netlify-vary
cookie=__next_preview_data:presence|__prerender_bypass:presence
server
Netlify
age
39275
cache-status
"Netlify Edge"; hit
etag
"835341d5028d85d7809d961ca33bc50e-ssl-df"
vary
Accept-Encoding
content-type
application/json
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
59107
about.json
www.3blue1brown.com/_next/data/3DhWYCoNn9OYED4lEBxkU/ 		218 KB
56 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/data/3DhWYCoNn9OYED4lEBxkU/about.json?slug=about
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/pages/_app-ea9b1f00a9f60776.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
74a253c11770c3a1dcd3da5744d7aa479da6180b7c60b0a3517f6eded344365d
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
purpose
prefetch
x-nextjs-data
1
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/123.0.0.0 Safari/537.36
Referer
https://www.3blue1brown.com/lessons/attention
sentry-trace
763e9769b0a746e482c8abdd78170afd-93f7ee0b5c2751ef-1
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCY6V3G4RH7YAH2PR0KV
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
strict-transport-security
max-age=31536000
netlify-vary
cookie=__next_preview_data:presence|__prerender_bypass:presence
server
Netlify
age
135646
cache-status
"Netlify Edge"; hit
etag
"8c3c30617c8c2dae6cdceb7027433033-ssl-df"
vary
Accept-Encoding
content-type
application/json
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
57238
%5Bslug%5D-7af54a297fdd94e3.js
www.3blue1brown.com/_next/static/chunks/pages/ 		0
516 B 		Other
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/chunks/pages/%5Bslug%5D-7af54a297fdd94e3.js
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/main-5bd8c83b552524a4.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCY693C8VRY8WQMJERV9
date
Mon, 15 Apr 2024 07:51:52 GMT
strict-transport-security
max-age=31536000
server
Netlify
age
137179
cache-status
"Netlify Edge"; hit
etag
"ce373771ec2b2f320fd19aa3a0f12eb8-ssl"
content-type
application/javascript; charset=UTF-8
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
429
6052328135098717.css
www.3blue1brown.com/_next/static/css/ 		36 KB
73 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/css/6052328135098717.css
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/pages/_app-ea9b1f00a9f60776.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
34b1983966065f2501b9662eb81cf12b95d7204ea536f2e3df01690ff8731706
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sentry-trace
763e9769b0a746e482c8abdd78170afd-9cb2298b09469d80-1
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCY8S7GW2V6DVVH4HJNM
date
Mon, 15 Apr 2024 07:51:52 GMT
strict-transport-security
max-age=31536000
content-encoding
br
server
Netlify
age
65234
cache-status
"Netlify Edge"; hit
etag
"6cf1931defa41e5e8fc16e55650ba148-ssl-df"
vary
Accept-Encoding
content-type
text/css; charset=UTF-8
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
7114
9788f2abd2eb923c.css
www.3blue1brown.com/_next/static/css/ 		5 KB
74 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/css/9788f2abd2eb923c.css
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/pages/_app-ea9b1f00a9f60776.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
695bbe2defcb44dbb6d72515bba5a1d4f9e1afaecd00f98ca24305c6679a7daf
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sentry-trace
763e9769b0a746e482c8abdd78170afd-a2fd82d6bb46c731-1
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCY8RVA59WY0TJ5MA8EN
date
Mon, 15 Apr 2024 07:51:52 GMT
strict-transport-security
max-age=31536000
content-encoding
br
server
Netlify
age
137190
cache-status
"Netlify Edge"; hit
etag
"345c7c03498439b41f795d10e68f5a7c-ssl-df"
vary
Accept-Encoding
content-type
text/css; charset=UTF-8
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
1589
favicon.png
www.3blue1brown.com/favicons/ 		67 KB
67 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/favicons/favicon.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
1e41eb97ae8b0a94bba5f787e67605009d509ce13023fd26721342f0b02f63f3
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCYS4KVZM120SJ5BC8VW
date
Mon, 15 Apr 2024 07:51:52 GMT
strict-transport-security
max-age=31536000
netlify-vary
cookie=__next_preview_data:presence|__prerender_bypass:presence
server
Netlify
age
132606
cache-status
"Netlify Edge"; hit
etag
"85d9c8eccaa6412505143942b104132a-ssl"
content-type
image/png
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
68613
index-5eb7f72bd57c2c86.js
www.3blue1brown.com/_next/static/chunks/pages/ 		420 B
0 		Script
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/chunks/pages/index-5eb7f72bd57c2c86.js
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/main-5bd8c83b552524a4.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
e59a70c61d02eca7b8729497da9740e8ce109edb1a4feb92e3a00b4dfe3168ba

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCY5B4TZW7593M81W8YT
date
Mon, 15 Apr 2024 07:51:52 GMT
server
Netlify
age
137179
cache-status
"Netlify Edge"; hit
etag
"457d5baf76352560124c0b52d409d2ad-ssl"
content-type
application/javascript; charset=UTF-8
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
420
%5Bslug%5D-997c80bc5c51bb9d.js
www.3blue1brown.com/_next/static/chunks/pages/topics/ 		1 KB
0 		Script
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/chunks/pages/topics/%5Bslug%5D-997c80bc5c51bb9d.js
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/main-5bd8c83b552524a4.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
d8e454701d6e3c1814a587970436fbcd428f66fe7a4b03cf27e5e1df03d0e949

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCY539XW90ZN6E5G2A6Q
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
server
Netlify
age
66672
cache-status
"Netlify Edge"; hit
etag
"9e5d70a4fc2b06e698342aa3006952c6-ssl-df"
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
704
a7ec05f374d41b41.css
www.3blue1brown.com/_next/static/css/ 		1 KB
494 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/css/a7ec05f374d41b41.css
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/pages/_app-ea9b1f00a9f60776.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
9a9924f3a76a5b6a680217c00d279cf178b746003755247176f8993a6a7f1fd0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sentry-trace
763e9769b0a746e482c8abdd78170afd-95e8cddaa0bee345-1
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCZT02HMPCV7E7ZG1EWX
date
Mon, 15 Apr 2024 07:51:52 GMT
content-encoding
br
strict-transport-security
max-age=31536000
server
Netlify
age
65229
cache-status
"Netlify Edge"; hit
etag
"669d20d85f0ebb6b5d8bb4d786a3789e-ssl-df"
vary
Accept-Encoding
content-type
text/css; charset=UTF-8
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
379
%5Bslug%5D-7af54a297fdd94e3.js
www.3blue1brown.com/_next/static/chunks/pages/ 		429 B
0 		Script
General
Check archive.org
Download Go to
Full URL
https://www.3blue1brown.com/_next/static/chunks/pages/%5Bslug%5D-7af54a297fdd94e3.js
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/main-5bd8c83b552524a4.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a05:d014:58f:6200::64 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Netlify /
Resource Hash
34b880e509455bb00eba1fdeaca36fb797d6509dc1a668fa8e945477c30c4d2d

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://www.3blue1brown.com/lessons/attention
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/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-nf-request-id
01HVGBVCY693C8VRY8WQMJERV9
date
Mon, 15 Apr 2024 07:51:52 GMT
server
Netlify
age
137179
cache-status
"Netlify Edge"; hit
etag
"ce373771ec2b2f320fd19aa3a0f12eb8-ssl"
content-type
application/javascript; charset=UTF-8
cache-control
public,max-age=0,must-revalidate
accept-ranges
bytes
content-length
429
/
o932861.ingest.sentry.io/api/5881803/envelope/ 		198 B
139 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://o932861.ingest.sentry.io/api/5881803/envelope/?sentry_key=3ce68c63823641db95d7bd65d08db5d8&sentry_version=7
Requested by
Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/pages/_app-ea9b1f00a9f60776.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
34.120.195.249 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM, US),
Reverse DNS
249.195.120.34.bc.googleusercontent.com
Software
nginx /
Resource Hash
bac10d17440dcd6f6c6c4e0bd7eca2e1a7eec030ef3b1143d4be3791dcf91263
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform
"Win32"
Referer
https://www.3blue1brown.com/
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/123.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

date
Mon, 15 Apr 2024 07:51:53 GMT
content-encoding
br
via
1.1 google
strict-transport-security
max-age=31536000; includeSubDomains; preload
server
nginx
vary
origin,access-control-request-method,access-control-request-headers
content-type
application/json
access-control-allow-origin
*
access-control-expose-headers
x-sentry-error,x-sentry-rate-limits,retry-after
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-sentry-rate-limits
60:transaction;profile:organization:transaction_usage_exceeded
retry-after
60

Verdicts & Comments Add Verdict or Comment

20 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.

function| gtag object| dataLayer object| webpackChunk_N_E object| google_tag_manager object| google_tag_data function| onYouTubeIframeAPIReady object| gaGlobal object| regeneratorRuntime function| __next_require__ object| next object| __NEXT_DATA__ function| __SSG_MANIFEST_CB object| __NEXT_P object| _N_E object| SENTRY_RELEASE object| SENTRY_RELEASES object| __SENTRY__ object| __MIDDLEWARE_MATCHERS object| __BUILD_MANIFEST object| __SSG_MANIFEST

2 Cookies

Domain/Path Name / Value
.3blue1brown.com/ Name: _ga_907C32EXHD
Value: GS1.1.1713167512.1.0.1713167512.0.0.0
.3blue1brown.com/ Name: _ga
Value: GA1.1.327254392.1713167512

1 Console Messages

Source Level URL
Text
network error URL: https://o932861.ingest.sentry.io/api/5881803/envelope/?sentry_key=3ce68c63823641db95d7bd65d08db5d8&sentry_version=7
Message:
Failed to load resource: the server responded with a status of 429 ()

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

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.

3blue1brown.com
fonts.gstatic.com
img.youtube.com
o932861.ingest.sentry.io
region1.google-analytics.com
use.fontawesome.com
www.3blue1brown.com
www.googletagmanager.com
2001:4860:4802:34::36
2606:4700:e6::ac40:cf26
2a00:1450:4001:812::200e
2a00:1450:4001:81d::2003
2a00:1450:4001:830::2008
2a05:d014:58f:6200::64
34.120.195.249
75.2.60.5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