www.3blue1brown.com Open in urlscan Pro
2a05:d014:275:cb00::c8 Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
http://www.3blue1brown.com/
Effective URL:
https://www.3blue1brown.com/
Submission: On July 12 via manual (July 12th 2023, 8:46:51 pm UTC) from US — Scanned from DE

Summary HTTP 90 Redirects Links 15 Behaviour Indicators

Summary

This website contacted 17 IPs in 3 countries across 17 domains to perform 90 HTTP transactions. The main IP is 2a05:d014:275:cb00::c8, 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 May 18th 2023. 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 37	2a05:d014:275... 2a05:d014:275:cb00::c8	16509 (AMAZON-02) (AMAZON-02)
3	2606:4700:e2:... 2606:4700:e2::ac40:840f	13335 (CLOUDFLAR...) (CLOUDFLARENET)
3	2a00:1450:400... 2a00:1450:4001:82f::2008	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:82b::200e	15169 (GOOGLE) (GOOGLE)
23	2600:3c03::f0... 2600:3c03::f03c:92ff:fe6e:ce1a	63949 (AKAMAI-LI...) (AKAMAI-LINODE-AP Akamai Connected Cloud)
2	2606:4700:440... 2606:4700:4400::6812:21f5	13335 (CLOUDFLAR...) (CLOUDFLARENET)
4	2a00:1450:400... 2a00:1450:4001:810::2003	15169 (GOOGLE) (GOOGLE)
1	2001:4860:480... 2001:4860:4802:32::36	15169 (GOOGLE) (GOOGLE)
2	34.120.195.249 34.120.195.249	396982 (GOOGLE-CL...) (GOOGLE-CLOUD-PLATFORM)
1	104.16.14.151 104.16.14.151	13335 (CLOUDFLAR...) (CLOUDFLARENET)
6	2600:9000:224... 2600:9000:2249:1200:4:b4b9:d3c0:93a1	16509 (AMAZON-02) (AMAZON-02)
1	2a04:4e42:200... 2a04:4e42:200::729	54113 (FASTLY) (FASTLY)
3	2606:4700::68... 2606:4700::6810:3965	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	52.222.164.194 52.222.164.194	16509 (AMAZON-02) (AMAZON-02)
1	2a00:1450:400... 2a00:1450:4001:809::2002	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:827::2004	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:830::2003	15169 (GOOGLE) (GOOGLE)
90	17

37 2a05:d014:275:cb00::c8 (Frankfurt am Main, Germany) 1 redirects

ASN16509 (AMAZON-02, US)

www.3blue1brown.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2606:4700:e2::ac40:840f (United States)

ASN13335 (CLOUDFLARENET, US)

use.fontawesome.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2a00:1450:4001:82f::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:82b::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

23 2600:3c03::f03c:92ff:fe6e:ce1a (Cedar Knolls, United States)

ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG)

3b1b-posts.us-east-1.linodeobjects.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2606:4700:4400::6812:21f5 (United States)

ASN13335 (CLOUDFLARENET, US)

3blue1brown.substack.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2a00:1450:4001:810::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2001:4860:4802:32::36 (United States)

ASN15169 (GOOGLE, US)

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

2 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	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 104.16.14.151 (None, )

ASN13335 (CLOUDFLARENET, US)

blockchain.info	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

6 2600:9000:2249:1200:4: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

3 2606:4700::6810:3965 (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 52.222.164.194 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-52-222-164-194.cdg52.r.cloudfront.net

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

1 2a00:1450:4001:809::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

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

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:830::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

	Apex Domain Subdomains	Transfer
37	3blue1brown.com 1 redirects www.3blue1brown.com	825 KB
23	linodeobjects.com 3b1b-posts.us-east-1.linodeobjects.com	14 MB
6	substackcdn.com substackcdn.com — Cisco Umbrella Rank: 19059	882 KB
4	gstatic.com fonts.gstatic.com	65 KB
3	cloudflareinsights.com static.cloudflareinsights.com — Cisco Umbrella Rank: 1174 cloudflareinsights.com — Cisco Umbrella Rank: 1155	7 KB
3	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 79	189 KB
3	fontawesome.com use.fontawesome.com — Cisco Umbrella Rank: 1196	276 KB
2	sentry.io o932861.ingest.sentry.io	635 B
2	substack.com 3blue1brown.substack.com	10 KB
1	google.de www.google.de — Cisco Umbrella Rank: 4752	455 B
1	google.com www.google.com — Cisco Umbrella Rank: 10	455 B
1	doubleclick.net googleads.g.doubleclick.net — Cisco Umbrella Rank: 57	2 KB
1	datadoghq-browser-agent.com www.datadoghq-browser-agent.com — Cisco Umbrella Rank: 2040	45 KB
1	sentry-cdn.com js.sentry-cdn.com — Cisco Umbrella Rank: 6178	2 KB
1	blockchain.info blockchain.info — Cisco Umbrella Rank: 85777	2 KB
1	google-analytics.com region1.google-analytics.com — Cisco Umbrella Rank: 1623	257 B
1	youtube.com img.youtube.com — Cisco Umbrella Rank: 3638	76 KB
90	17

	Domain	Requested by
37	www.3blue1brown.com	1 redirects www.3blue1brown.com
23	3b1b-posts.us-east-1.linodeobjects.com	www.3blue1brown.com
6	substackcdn.com	3blue1brown.substack.com
4	fonts.gstatic.com	www.3blue1brown.com 3blue1brown.substack.com
3	www.googletagmanager.com	www.3blue1brown.com substackcdn.com www.googletagmanager.com
3	use.fontawesome.com	www.3blue1brown.com use.fontawesome.com
2	cloudflareinsights.com	static.cloudflareinsights.com
2	o932861.ingest.sentry.io	www.3blue1brown.com
2	3blue1brown.substack.com	www.3blue1brown.com 3blue1brown.substack.com
1	www.google.de	www.3blue1brown.com
1	www.google.com	www.3blue1brown.com
1	googleads.g.doubleclick.net	www.googletagmanager.com
1	www.datadoghq-browser-agent.com	3blue1brown.substack.com
1	static.cloudflareinsights.com	3blue1brown.substack.com
1	js.sentry-cdn.com	3blue1brown.substack.com
1	blockchain.info	www.3blue1brown.com
1	region1.google-analytics.com	www.googletagmanager.com
1	img.youtube.com	www.3blue1brown.com
90	18

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

Domain
store.dftba.com
www.youtube.com
twitter.com
www.patreon.com
www.instagram.com
3blue1brown.substack.com
www.tiktok.com
www.reddit.com
www.facebook.com
space.bilibili.com
youtu.be
www.blockchain.com

Subject Issuer	Validity	Valid
3b1b.co R3	`2023-05-18` - `2023-08-16`	3 months	crt.sh
use.fontawesome.com GTS CA 1P5	`2023-07-04` - `2023-10-02`	3 months	crt.sh
*.google-analytics.com GTS CA 1C3	`2023-06-19` - `2023-09-11`	3 months	crt.sh
*.google.com GTS CA 1C3	`2023-06-19` - `2023-09-11`	3 months	crt.sh
us-east-1.linodeobjects.com R3	`2023-07-11` - `2023-10-09`	3 months	crt.sh
sni.cloudflaressl.com Cloudflare Inc ECC CA-3	`2022-10-13` - `2023-10-13`	a year	crt.sh
*.gstatic.com GTS CA 1C3	`2023-06-19` - `2023-09-11`	3 months	crt.sh
ingest.sentry.io DigiCert TLS RSA SHA256 2020 CA1	`2022-07-28` - `2023-08-28`	a year	crt.sh
www.blockchain.com DigiCert TLS RSA SHA256 2020 CA1	`2022-09-28` - `2023-10-29`	a year	crt.sh
substackcdn.com Amazon RSA 2048 M02	`2023-03-14` - `2024-04-12`	a year	crt.sh
*.sentry-cdn.com GlobalSign Atlas R3 DV TLS CA 2022 Q3	`2022-09-28` - `2023-10-30`	a year	crt.sh
*.datadoghq-browser-agent.com DigiCert TLS RSA SHA256 2020 CA1	`2023-01-14` - `2024-01-16`	a year	crt.sh
*.g.doubleclick.net GTS CA 1C3	`2023-06-19` - `2023-09-11`	3 months	crt.sh
www.google.com GTS CA 1C3	`2023-06-19` - `2023-09-11`	3 months	crt.sh
www.google.de GTS CA 1C3	`2023-06-19` - `2023-09-11`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://www.3blue1brown.com/
Frame ID: 3EF5476CCE47739CB782B006B07D3B63
Requests: 71 HTTP requests in this frame

Frame: https://3blue1brown.substack.com/embed
Frame ID: E8E5268C9BFC6487B995D6BF78C58A6B
Requests: 18 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

3Blue1Brown

Page URL History Show full URLs

http://www.3blue1brown.com/ HTTP 301
https://www.3blue1brown.com/ Page URL

Detected technologies

Cloudflare Browser Insights (Analytics) Expand

Overall confidence: 100%
Detected patterns

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

Font Awesome (Font Scripts) Expand

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]+)?)?)|)

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

googletagmanager\.com/gtag/js

Page Statistics

90
Requests

100 %
HTTPS

82 %
IPv6

17
Domains

18
Subdomains

17
IPs

3
Countries

16438 kB
Transfer

21995 kB
Size

5
Cookies

15 Outgoing links

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

URL: https://store.dftba.com/collections/3blue1brown
Title: Store

Search URL Search Domain Scan URL

URL: https://www.youtube.com/3blue1brown

Search URL Search Domain Scan URL

URL: https://twitter.com/3blue1brown

Search URL Search Domain Scan URL

URL: https://www.patreon.com/3blue1brown

Search URL Search Domain Scan URL

URL: https://www.instagram.com/3blue1brown/

Search URL Search Domain Scan URL

URL: https://3blue1brown.substack.com/

Search URL Search Domain Scan URL

URL: https://www.youtube.com/@GrantSanderson

Search URL Search Domain Scan URL

URL: https://www.tiktok.com/@3blue1brown

Search URL Search Domain Scan URL

URL: https://www.reddit.com/r/3Blue1Brown/

Search URL Search Domain Scan URL

URL: http://www.facebook.com/3blue1brown

Search URL Search Domain Scan URL

URL: https://space.bilibili.com/88461692/#/

Search URL Search Domain Scan URL

URL: https://3blue1brown.substack.com/feed

Search URL Search Domain Scan URL

URL: http://youtu.be/d_qvLDhkg00
Title: Latest video: Why are normal distributions "central limits"?

Search URL Search Domain Scan URL

URL: https://www.blockchain.com/btc/tx/5bf07d6005a02ed86597cad0953a9da9b685c53f46a57277d1935a3c05925fb8
Title: 5bf07d6005…3c05925fb8bc1…f4 pays bc1…sh0.0012 BTC ($37.89)

Search URL Search Domain Scan URL

URL: https://3blue1brown.substack.com/p/some3-begins
Title: Join the Summer of Math Exposition!Create and discover new content, submit for a chance at prizes and a spot in a 3blue1brown video

Search URL Search Domain Scan URL

Page URL History

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

http://www.3blue1brown.com/ HTTP 301
https://www.3blue1brown.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

90 HTTP transactions
0 data transactions

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

GET
H2

200

Primary Request / Show response
www.3blue1brown.com/
Redirect Chain

http://www.3blue1brown.com/
https://www.3blue1brown.com/

286 KB
63 KB

82ms
24ms

Document
text/html

2a05:d014:275:cb00::c8
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://www.3blue1brown.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a05:d014:275:cb00::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Netlify /

Resource Hash

bd576bf3297f90af387578e6465cbee950f9d467ad02bab123012b6ba821ed0e

Security Headers

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

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

accept-ranges: bytes
age: 13154
cache-control: public, max-age=0, must-revalidate
content-encoding: br
content-length: 63744
content-type: text/html; charset=UTF-8
date: Wed, 12 Jul 2023 20:46:44 GMT
etag: "bc0df7c3e7582ecc5b4bfc9a875ff393-ssl-df"
server: Netlify
strict-transport-security: max-age=31536000
vary: X-Bb-Conditions,Accept-Encoding
x-nf-request-id: 01H55XPDGYCC8VZYJ5BHQF2P63

Redirect headers

Content-Length: 43
Content-Type: text/plain; charset=utf-8
Date: Wed, 12 Jul 2023 20:46:44 GMT
Location: https://www.3blue1brown.com/
Server: Netlify
X-Nf-Request-Id: 01H55XPDECMTBXWM9AV8Y8PVWX

GET
H2 200 all.css
use.fontawesome.com/releases/v6.1.1/css/ 98 KB
21 KB 84ms
31ms Stylesheet
text/css 2606:4700:e2::ac40:840f
CLOUDFLARENET

General

Check archive.org

Show headers 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/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700:e2::ac40:840f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 0df5a33710e433de1f5415b1d47e4130ca7466aee5b81955f1045c4844bbb3ed

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date: Wed, 12 Jul 2023 20:46:44 GMT
content-encoding: br
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id: 8VWWW1X86SJ3RMDH
age: 581780
alt-svc: h3=":443"; ma=86400
x-amz-id-2: XhHkuYjwRzQJJVcRtP/u2NSZ3N2h4RK4bc8J45iZpAEQc7b/NLCYr02sCEV8VHV3wSPUetotpEk=
last-modified: Tue, 22 Mar 2022 15:39:36 GMT
server: cloudflare
etag: W/"6386fb409d4a2abc96eee7be8f6d4cc4"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=c4vLVV%2BW3klXcrM6Xi7dWJqi%2BK3VjBlZREPC0Z5g%2BOpznFbmXpYJxYJCv5P2KAvsVuWyVeD%2Fq5xXXHso3y6u18wl%2FJyeIDpCpyFE4zPAktkutxtcp8TAthtiVxDGKXoIIqzxSZPiTFblXOnL4BeFQJw6"}],"group":"cf-nel","max_age":604800}
content-type: text/css
cache-control: max-age=31556926
cf-ray: 7e5c232a58513838-FRA

GET
H2 200 js Show response
www.googletagmanager.com/gtag/ 225 KB
80 KB 93ms
40ms Script
application/javascript 2a00:1450:4001:82f::2008
GOOGLE

General

Check archive.org

Show headers 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/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:82f::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

03408e2443044c5dc41e40d417007fbf6eeb124546342b1edbfaabf4e37b4471

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date: Wed, 12 Jul 2023 20:46:44 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: 81030
x-xss-protection: 0
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires: Wed, 12 Jul 2023 20:46:44 GMT

GET
H2 200 b165666056315602.css
www.3blue1brown.com/_next/static/css/ 27 KB
4 KB 25ms
22ms Stylesheet
text/css 2a05:d014:275:cb00::c8
AMAZON-02

General

Check archive.org

Show headers 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/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a05:d014:275:cb00::c8 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

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

x-nf-request-id: 01H55XPDJ8EESSGF7RNS9091VM
date: Wed, 12 Jul 2023 20:46:44 GMT
content-encoding: br
strict-transport-security: max-age=31536000
server: Netlify
age: 27814
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: 4419

GET
H2 200 7d3bdc8ccebac769.css
www.3blue1brown.com/_next/static/css/ 35 KB
7 KB 26ms
23ms Stylesheet
text/css 2a05:d014:275:cb00::c8
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://www.3blue1brown.com/_next/static/css/7d3bdc8ccebac769.css

Requested by

Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a05:d014:275:cb00::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Netlify /

Resource Hash

da26825e972a0a7f64c47f00a15270e9a91d2025cb9811385b0bcc3ab40558f4

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

x-nf-request-id: 01H55XPDJ83BNCDRE3WQR4A4HT
date: Wed, 12 Jul 2023 20:46:44 GMT
content-encoding: br
strict-transport-security: max-age=31536000
server: Netlify
age: 43631
etag: "0afe1d7edeceb8f812062b20becb47fc-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: 6857

GET
H2 200 webpack-6f82391d28a795eb.js Show response
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Content-Length: 519658

GET
H/1.1 200
OK neural-networks.jpg
3b1b-posts.us-east-1.linodeobjects.com//images/topics/ 369 KB
370 KB 454ms
130ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//images/topics/neural-networks.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: 9a78463b1a71b6359414873f6c29272b09aae4abdb1f3bfe7a5f54025ed02b5c

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date: Wed, 12 Jul 2023 20:46:45 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:52 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:d1454bd81dbf1581144792c47c702572/mode:33188/mtime:1627443075/uid:1001
x-amz-request-id: tx0000014fd8e605126e093-0064af1135-459da79d-default
ETag: "d1454bd81dbf1581144792c47c702572"
Content-Type: image/jpeg
X-Amz-Storage-Class: STANDARD
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 378048

GET
H/1.1 200
OK differential-equations.jpg
3b1b-posts.us-east-1.linodeobjects.com//images/topics/ 716 KB
716 KB 463ms
139ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//images/topics/differential-equations.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: 01ac3b4fff969f4932709bc797158d96bb5442d96205f88afaef73ad891f82d1

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date: Wed, 12 Jul 2023 20:46:45 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:50 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:32542a69f219aacfd3dfec55a4746a06/mode:33188/mtime:1627443075/uid:1001
x-amz-request-id: tx000006839200cdbeb5c42-0064af1135-443bd4bc-default
ETag: "32542a69f219aacfd3dfec55a4746a06"
Content-Type: image/jpeg
X-Amz-Storage-Class: STANDARD
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 733084

GET
H/1.1 200
OK puzzles.jpg
3b1b-posts.us-east-1.linodeobjects.com//images/topics/ 230 KB
231 KB 827ms
104ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//images/topics/puzzles.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: c754d2eed1ab3349b423c91ba08f276ad55ec962b01ff1abf75d75f4922b5eca

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date: Wed, 12 Jul 2023 20:46:45 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:52 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:ff4eed3ac4d1aaf1fc6a187a78456032/mode:33188/mtime:1627443075/uid:1001
x-amz-request-id: tx000002619503a775fcac9-0064af1135-452c23e2-default
ETag: "ff4eed3ac4d1aaf1fc6a187a78456032"
Content-Type: image/jpeg
X-Amz-Storage-Class: STANDARD
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 235541

GET
H/1.1 200
OK why-pi.jpg
3b1b-posts.us-east-1.linodeobjects.com//images/topics/ 62 KB
63 KB 912ms
102ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//images/topics/why-pi.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: 3272e4de9ab9e08166db2a980c745b22ae9b61840d4f4438a476e17130aaa2a6

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date: Wed, 12 Jul 2023 20:46:45 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:53 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:b8a934a666376fd67be9cc1f8042cf2c/mode:33188/mtime:1627443075/uid:1001
x-amz-request-id: tx000003c09dca6e6c3fe27-0064af1135-45991fed-default
ETag: "b8a934a666376fd67be9cc1f8042cf2c"
Content-Type: image/jpeg
X-Amz-Storage-Class: STANDARD
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 63984

GET
H/1.1 200
OK geometry.jpg
3b1b-posts.us-east-1.linodeobjects.com//images/topics/ 185 KB
185 KB 388ms
111ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

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Show headers Download Go to Show image

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//images/topics/geometry.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: 3671a28f78db8aee5563c281b59180d274633c58260bd074701a18ec81dd5f2e

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date: Wed, 12 Jul 2023 20:46:45 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:51 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:e3236e835fa54132482c6f630a6768fb/mode:33188/mtime:1627443075/uid:1001
x-amz-request-id: tx000006a25c36201e75573-0064af1135-459da79d-default
ETag: "e3236e835fa54132482c6f630a6768fb"
Content-Type: image/jpeg
X-Amz-Storage-Class: STANDARD
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 188981

GET
H/1.1 200
OK analysis.jpg
3b1b-posts.us-east-1.linodeobjects.com//images/topics/ 605 KB
605 KB 404ms
127ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//images/topics/analysis.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: 96817a7301984b045b8ded6482e9baca22f36743db947b966286fc2235cda83e

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date: Wed, 12 Jul 2023 20:46:45 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:49 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:26235e2ecddbf78d7eb5a62ef735c701/mode:33188/mtime:1627443075/uid:1001
x-amz-request-id: tx00000c444777a44f15112-0064af1135-4531fe0d-default
ETag: "26235e2ecddbf78d7eb5a62ef735c701"
Content-Type: image/jpeg
X-Amz-Storage-Class: STANDARD
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 619043

GET
H/1.1 200
OK probability.jpg
3b1b-posts.us-east-1.linodeobjects.com//images/topics/ 92 KB
92 KB 107ms
107ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

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Show headers Download Go to Show image

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//images/topics/probability.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: a550eff7401122bd9d0c030822dab555064d906d48e00de7653e9bcfb13361fa

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date: Wed, 12 Jul 2023 20:46:45 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:52 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:cf59216b6ecd91037b1945951e02b239/mode:33188/mtime:1627443075/uid:1001
x-amz-request-id: tx00000a0f206495f2fde60-0064af1135-4596223b-default
ETag: "cf59216b6ecd91037b1945951e02b239"
Content-Type: image/jpeg
X-Amz-Storage-Class: STANDARD
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 93993

GET
H/1.1 200
OK topology.jpg
3b1b-posts.us-east-1.linodeobjects.com//images/topics/ 101 KB
101 KB 103ms
102ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//images/topics/topology.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: c0b6a447d576a097d5ac056a738e2afac7570323ee8809e5f38aa80e426e868c

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date: Wed, 12 Jul 2023 20:46:45 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:53 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:a91f8122656b1f6142e42eda6bb509b6/mode:33188/mtime:1627443075/uid:1001
x-amz-request-id: tx00000c064dd29ba578054-0064af1135-451695cc-default
ETag: "a91f8122656b1f6142e42eda6bb509b6"
Content-Type: image/jpeg
X-Amz-Storage-Class: STANDARD
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 102926

GET
H/1.1 200
OK group-theory.jpg
3b1b-posts.us-east-1.linodeobjects.com//images/topics/ 134 KB
135 KB 102ms
101ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//images/topics/group-theory.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: 91d04543c08220f01a23fba8146e1442f2c4e7092152648236a29ac8dddb9fb0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date: Wed, 12 Jul 2023 20:46:45 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:51 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:900bbd7354ec0d6d00ea4d8346b259a7/mode:33188/mtime:1627443075/uid:1001
x-amz-request-id: tx0000057589c0217737ec4-0064af1135-454f3949-default
ETag: "900bbd7354ec0d6d00ea4d8346b259a7"
Content-Type: image/jpeg
X-Amz-Storage-Class: STANDARD
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 137513

GET
H/1.1 200
OK computer-science.jpg
3b1b-posts.us-east-1.linodeobjects.com//images/topics/ 407 KB
408 KB 117ms
116ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

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Show headers Download Go to Show image

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//images/topics/computer-science.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: 0fc1102204502f9050b2d7e25702c08e0db182d7f15d09f97a856dc3ca7ed738

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date: Wed, 12 Jul 2023 20:46:45 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:50 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:4c2c232a430593be1bc8200906c989db/mode:33188/mtime:1627443075/uid:1001
x-amz-request-id: tx00000a0cf36be84ec00b4-0064af1135-4596223b-default
ETag: "4c2c232a430593be1bc8200906c989db"
Content-Type: image/jpeg
X-Amz-Storage-Class: STANDARD
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 416828

GET
H/1.1 200
OK physics.jpg
3b1b-posts.us-east-1.linodeobjects.com//images/topics/ 99 KB
99 KB 141ms
141ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

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Show headers Download Go to Show image

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//images/topics/physics.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: 23080499069f623891e54b90404238281d727102259ee43eb95ada7785a10e46

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date: Wed, 12 Jul 2023 20:46:45 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:52 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:280d1b69522e943d7b83144c8af800ae/mode:33188/mtime:1627443075/uid:1001
x-amz-request-id: tx00000fc6487e1669b80b5-0064af1135-4558a4fe-default
ETag: "280d1b69522e943d7b83144c8af800ae"
Content-Type: image/jpeg
X-Amz-Storage-Class: STANDARD
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 101243

GET
H/1.1 200
OK epidemics.jpg
3b1b-posts.us-east-1.linodeobjects.com//images/topics/ 299 KB
299 KB 107ms
107ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

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Show headers Download Go to Show image

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//images/topics/epidemics.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: d66b28ddcdde1aa4a6643eae608bd9f891bd8a5165b21f83eaeb347afebcb9b6

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date: Wed, 12 Jul 2023 20:46:45 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:51 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:f7b92c7928ec9a36864360976579e240/mode:33188/mtime:1627443075/uid:1001
x-amz-request-id: tx000000e426ba49c489b53-0064af1135-45241783-default
ETag: "f7b92c7928ec9a36864360976579e240"
Content-Type: image/jpeg
X-Amz-Storage-Class: STANDARD
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 305790

GET
H/1.1 200
OK lockdown-math.jpg
3b1b-posts.us-east-1.linodeobjects.com//images/topics/ 488 KB
489 KB 110ms
109ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

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Show headers Download Go to Show image

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//images/topics/lockdown-math.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: 32bfb21df684a59c8af1f0fa24dc65ce30d9d13b8455ed298061606b9c6aff6b

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date: Wed, 12 Jul 2023 20:46:45 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:51 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:6df38d04dc690d1dc48802c8e6e9682e/mode:33188/mtime:1627443075/uid:1001
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GET
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72 KB 102ms
102ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

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Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//images/topics/miscellaneous.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
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Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date: Wed, 12 Jul 2023 20:46:45 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:52 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:568b1f86c7e5acbb09aba4e3bfb0bbaf/mode:33188/mtime:1627443075/uid:1001
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GET
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www.3blue1brown.com/images/home/ 333 B
433 B 50ms
49ms Image
image/svg+xml 2a05:d014:275:cb00::c8
AMAZON-02

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Full URL

https://www.3blue1brown.com/images/home/patreon-logo.svg

Requested by

Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a05:d014:275:cb00::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),

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Request headers

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Response headers

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date: Wed, 12 Jul 2023 20:46:44 GMT
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server: Netlify
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GET
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10 KB 600ms
540ms Document
text/html 2606:4700:4400::6812:21f5
CLOUDFLARENET

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Full URL

https://3blue1brown.substack.com/embed

Requested by

Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:4400::6812:21f5 , United States, ASN13335 (CLOUDFLARENET, US),

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Resource Hash

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Security Headers

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Request headers

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accept-language: de-DE,de;q=0.9

Response headers

alt-svc: h3=":443"; ma=86400
cache-control: no-cache
cf-cache-status: EXPIRED
cf-ray: 7e5c232b188d90ec-FRA
content-encoding: br
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date: Wed, 12 Jul 2023 20:46:45 GMT
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vary: Accept-Encoding
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GET
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35 KB 80ms
26ms Font
font/woff2 2a00:1450:4001:810::2003
GOOGLE

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Full URL

https://fonts.gstatic.com/s/lora/v32/0QIvMX1D_JOuMwr7I_FMl_E.woff2

Requested by

Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/

Protocol

Security

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Server

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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date: Sat, 08 Jul 2023 00:34:55 GMT
x-content-type-options: nosniff
age: 418309
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
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access-control-allow-origin: *
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GET
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fonts.gstatic.com/s/poppins/v20/ 8 KB
8 KB 73ms
20ms Font
font/woff2 2a00:1450:4001:810::2003
GOOGLE

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Full URL

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Requested by

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Protocol

Security

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Server

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date: Sat, 08 Jul 2023 21:41:27 GMT
x-content-type-options: nosniff
age: 342317
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
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GET
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104 KB 75ms
30ms Font
font/woff2 2606:4700:e2::ac40:840f
CLOUDFLARENET

General

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Full URL: https://use.fontawesome.com/releases/v6.1.1/webfonts/fa-brands-400.woff2
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Request headers

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Origin: https://www.3blue1brown.com
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date: Wed, 12 Jul 2023 20:46:44 GMT
cf-cache-status: HIT
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x-amz-request-id: 4CTX4QT78H8H6X0A
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GET
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use.fontawesome.com/releases/v6.1.1/webfonts/ 151 KB
151 KB 96ms
52ms Font
font/woff2 2606:4700:e2::ac40:840f
CLOUDFLARENET

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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
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Request headers

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
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date: Wed, 12 Jul 2023 20:46:44 GMT
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id: 4CTWAPWRVT01GZYB
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GET
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fonts.gstatic.com/s/poppins/v20/ 8 KB
8 KB 74ms
22ms Font
font/woff2 2a00:1450:4001:810::2003
GOOGLE

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Check archive.org

Show headers Download Go to

Full URL

https://fonts.gstatic.com/s/poppins/v20/pxiByp8kv8JHgFVrLGT9Z1xlFd2JQEk.woff2

Requested by

Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:810::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

Referer: https://www.3blue1brown.com/
Origin: https://www.3blue1brown.com
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date: Sat, 08 Jul 2023 16:21:45 GMT
x-content-type-options: nosniff
age: 361499
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
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server: sffe
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GET
H/1.1 206
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3b1b-posts.us-east-1.linodeobjects.com//featured-content/ 2 MB
2 MB 106ms
106ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

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Show headers Download Go to

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//featured-content/eola-preview.mp4
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
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Request headers

Referer: https://www.3blue1brown.com/
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Range: bytes=0-

Response headers

Date: Wed, 12 Jul 2023 20:46:45 GMT
Last-Modified: Fri, 03 Sep 2021 14:18:29 GMT
x-amz-meta-s3cmd-attrs: atime:1630678683/ctime:1630678683/gid:116/md5:8f40bac4bbd1b1e276701e290c7a5418/mode:33188/mtime:1630678683/uid:1001
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GET
H/1.1 206
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3b1b-posts.us-east-1.linodeobjects.com//content/lessons/2017/derivatives-power-rule/figures/ 377 KB
377 KB 106ms
106ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

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Show headers Download Go to

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//content/lessons/2017/derivatives-power-rule/figures/5.20-6.20-trimmed.mp4
Requested by: Host: www.3blue1brown.com
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Protocol: HTTP/1.1
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Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
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Request headers

Referer: https://www.3blue1brown.com/
Accept-Encoding: identity;q=1, *;q=0
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36
Range: bytes=0-

Response headers

Date: Wed, 12 Jul 2023 20:46:46 GMT
Last-Modified: Wed, 14 Jul 2021 15:17:31 GMT
x-amz-meta-s3cmd-attrs: atime:1626275829/ctime:1626275829/gid:116/md5:331ff9cc18f953483b43ef23d26eb0da/mode:33188/mtime:1626275829/uid:1001
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GET
H/1.1 206
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3b1b-posts.us-east-1.linodeobjects.com//featured-content/ 347 KB
348 KB 105ms
105ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

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Show headers Download Go to

Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//featured-content/clacks.mp4
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
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Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
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Request headers

Referer: https://www.3blue1brown.com/
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accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36
Range: bytes=0-

Response headers

Date: Wed, 12 Jul 2023 20:46:46 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:42 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:9311e062df927aed8bdfc8fd5862d5f6/mode:33188/mtime:1627443075/uid:1001
x-amz-request-id: tx000008a84b411f2839cd4-0064af1136-459d62e3-default
ETag: "9311e062df927aed8bdfc8fd5862d5f6"
Content-Type: video/mp4
X-Amz-Storage-Class: STANDARD
Content-Range: bytes 0-355624/355625
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 355625

GET
H/1.1 206
Partial Content fourier-pi.mp4
3b1b-posts.us-east-1.linodeobjects.com//featured-content/ 3 MB
3 MB 120ms
120ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

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Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//featured-content/fourier-pi.mp4
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: fd772df3766cca92ae4daf7b343f52bb252a31c352a1614e72443d2d8d8ead52

Request headers

Referer: https://www.3blue1brown.com/
Accept-Encoding: identity;q=1, *;q=0
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36
Range: bytes=0-

Response headers

Date: Wed, 12 Jul 2023 20:46:46 GMT
Last-Modified: Tue, 03 Aug 2021 19:30:28 GMT
x-amz-meta-s3cmd-attrs: atime:1628019004/ctime:1628019004/gid:116/md5:03d8a19860f36be5daf6a556f16b639d/mode:33188/mtime:1628019004/uid:1001
x-amz-request-id: tx00000b77b15d105c10ace-0064af1136-459d3b83-default
ETag: "03d8a19860f36be5daf6a556f16b639d"
Content-Type: video/mp4
X-Amz-Storage-Class: STANDARD
Content-Range: bytes 0-2670670/2670671
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 2670671

GET
H/1.1 206
Partial Content prime-spirals.mp4
3b1b-posts.us-east-1.linodeobjects.com//featured-content/ 1 MB
1 MB 147ms
147ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

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Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//featured-content/prime-spirals.mp4
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: 4192fb78c6e5908c58e0a69861a7d929d07e13ad64be469b460e519a27caaafc

Request headers

Referer: https://www.3blue1brown.com/
Accept-Encoding: identity;q=1, *;q=0
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36
Range: bytes=0-

Response headers

Date: Wed, 12 Jul 2023 20:46:46 GMT
Last-Modified: Fri, 03 Sep 2021 14:18:29 GMT
x-amz-meta-s3cmd-attrs: atime:1630678683/ctime:1630678683/gid:116/md5:d5794f9fd14cd9c0d9a60b1ee8f84097/mode:33188/mtime:1630678683/uid:1001
x-amz-request-id: tx000009b283be4f049e9e3-0064af1136-459d2562-default
ETag: "d5794f9fd14cd9c0d9a60b1ee8f84097"
Content-Type: video/mp4
X-Amz-Storage-Class: STANDARD
Content-Range: bytes 0-1292942/1292943
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 1292943

GET
H/1.1 206
Partial Content sudanese-band-loop.mp4
3b1b-posts.us-east-1.linodeobjects.com//featured-content/ 771 KB
772 KB 126ms
126ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

General

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Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//featured-content/sudanese-band-loop.mp4
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: 5478b2ddc402e396d570b0c9c8dccf8be977883aecccff8746aa741d5e3f8157

Request headers

Referer: https://www.3blue1brown.com/
Accept-Encoding: identity;q=1, *;q=0
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36
Range: bytes=0-

Response headers

Date: Wed, 12 Jul 2023 20:46:46 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:43 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:1f876e47f17dac500ffe33676d4e118e/mode:33188/mtime:1627443075/uid:1001
x-amz-request-id: tx000004aa04d1399c89547-0064af1136-4531fe0d-default
ETag: "1f876e47f17dac500ffe33676d4e118e"
Content-Type: video/mp4
X-Amz-Storage-Class: STANDARD
Content-Range: bytes 0-789952/789953
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 789953

GET
H/1.1 206
Partial Content sphere-area.mp4
3b1b-posts.us-east-1.linodeobjects.com//featured-content/ 3 MB
3 MB 114ms
114ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:ce1a
AKAMAI-LINODE-AP ...

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Full URL: https://3b1b-posts.us-east-1.linodeobjects.com//featured-content/sphere-area.mp4
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:ce1a Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: 69eba076a5fc11bb432741da546c3405855346212ece5b01dfd5700214df2a64

Request headers

Referer: https://www.3blue1brown.com/
Accept-Encoding: identity;q=1, *;q=0
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36
Range: bytes=0-

Response headers

Date: Wed, 12 Jul 2023 20:46:46 GMT
Last-Modified: Wed, 28 Jul 2021 16:51:34 GMT
x-amz-meta-s3cmd-attrs: atime:1627491073/ctime:1627491073/gid:116/md5:c21b7f5793689c63e153783c86caf0b6/mode:33188/mtime:1627491073/uid:1001
x-amz-request-id: tx000005a60f8963f3e424e-0064af1136-45aaf457-default
ETag: "c21b7f5793689c63e153783c86caf0b6"
Content-Type: video/mp4
X-Amz-Storage-Class: STANDARD
Content-Range: bytes 0-2666598/2666599
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 2666599

POST
H2 204 collect
region1.google-analytics.com/g/ 0
257 B 75ms
27ms Ping
text/plain 2001:4860:4802:32::36
GOOGLE

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Full URL: https://region1.google-analytics.com/g/collect?v=2&tid=G-907C32EXHD&gtm=45je37a0&_p=1033352103&cid=897621357.1689194805&ul=en-us&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&_s=1&dp=%2F&sid=1689194804&sct=1&seg=0&dl=https%3A%2F%2Fwww.3blue1brown.com%2F&dt=3Blue1Brown&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1
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: 2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

pragma: no-cache
date: Wed, 12 Jul 2023 20:46:45 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

POST
H2 200 / Show response
o932861.ingest.sentry.io/api/5881803/envelope/ 2 B
301 B 108ms
25ms Fetch
application/json 34.120.195.249
GOOGLE-CLOUD-PLAT...

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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-41187c3b9bd86318.js

Protocol

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

Referer: https://www.3blue1brown.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36
Content-Type: text/plain;charset=UTF-8

Response headers

date: Wed, 12 Jul 2023 20:46:45 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
x-envoy-upstream-service-time: 0
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 2

GET
H2 200 204.42164b68a8315c0e.js Show response
www.3blue1brown.com/_next/static/chunks/ 169 KB
78 KB 24ms
22ms Script
application/javascript 2a05:d014:275:cb00::c8
AMAZON-02

General

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Show headers Download Go to

Full URL

https://www.3blue1brown.com/_next/static/chunks/204.42164b68a8315c0e.js

Requested by

Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/webpack-6f82391d28a795eb.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a05:d014:275:cb00::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Netlify /

Resource Hash

de8651d5417bcfa1ef480eb018964a63bf06a4bdc0631c314361cbe413259d12

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

x-nf-request-id: 01H55XPDXDVK70YTFCX6T9KXPM
date: Wed, 12 Jul 2023 20:46:45 GMT
content-encoding: br
strict-transport-security: max-age=31536000
server: Netlify
age: 43454
etag: "f38813e79f520cbd0a471c0a75c6bb49-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: 79948

GET
H2 200 795.ce7f39f9abc366e4.js Show response
www.3blue1brown.com/_next/static/chunks/ 17 KB
6 KB 24ms
23ms Script
application/javascript 2a05:d014:275:cb00::c8
AMAZON-02

General

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Show headers Download Go to

Full URL

https://www.3blue1brown.com/_next/static/chunks/795.ce7f39f9abc366e4.js

Requested by

Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/webpack-6f82391d28a795eb.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a05:d014:275:cb00::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Netlify /

Resource Hash

ba4bfd7f6b3bc8587a5f4e025f65d7fdfa6a382ede82d5ec6423f57360203977

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

x-nf-request-id: 01H55XPDXDAKEY8WP296RDT3W8
date: Wed, 12 Jul 2023 20:46:45 GMT
content-encoding: br
strict-transport-security: max-age=31536000
server: Netlify
age: 43454
etag: "4d297e52325a0a06b0c1b9fa6da0cf48-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: 6042

GET
H2 200 d37d117f0284fcc6.css
www.3blue1brown.com/_next/static/css/ 3 KB
906 B 23ms
22ms Stylesheet
text/css 2a05:d014:275:cb00::c8
AMAZON-02

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Full URL

https://www.3blue1brown.com/_next/static/css/d37d117f0284fcc6.css

Requested by

Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/webpack-6f82391d28a795eb.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a05:d014:275:cb00::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Netlify /

Resource Hash

3c029efeeaeba839b879d7c49adb31e54b0d8645c40c67470c332f4548d16540

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

x-nf-request-id: 01H55XPDXD2KDQK7XG63EW75PA
date: Wed, 12 Jul 2023 20:46:45 GMT
content-encoding: br
strict-transport-security: max-age=31536000
server: Netlify
age: 12698
etag: "def6ed5fa4ad2b769dea3551202d6024-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: 793

GET
H2 200 647.5fd72795c5e0e1c1.js Show response
www.3blue1brown.com/_next/static/chunks/ 14 KB
5 KB 43ms
42ms Script
application/javascript 2a05:d014:275:cb00::c8
AMAZON-02

General

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Show headers Download Go to

Full URL

https://www.3blue1brown.com/_next/static/chunks/647.5fd72795c5e0e1c1.js

Requested by

Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/webpack-6f82391d28a795eb.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a05:d014:275:cb00::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Netlify /

Resource Hash

6c9365bd1cb7482c3810f8507b447dc07ccc7de1564423826679da6a34560790

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://www.3blue1brown.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

x-nf-request-id: 01H55XPDXD0FR1GKRE75SA2KA5
date: Wed, 12 Jul 2023 20:46:45 GMT
content-encoding: br
strict-transport-security: max-age=31536000
server: Netlify
age: 43454
etag: "d32055c323f5598032c6b0b5fb2067d7-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: 5433

GET
H2 200 index.json Show response
www.3blue1brown.com/_next/data/JZoVeC4YEKpMZsfp88z12/ 211 KB
55 KB 22ms
22ms Fetch
application/json 2a05:d014:275:cb00::c8
AMAZON-02

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Full URL

https://www.3blue1brown.com/_next/data/JZoVeC4YEKpMZsfp88z12/index.json

Requested by

Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/pages/_app-41187c3b9bd86318.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a05:d014:275:cb00::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Netlify /

Resource Hash

4fa86d29afba3d39e3a9692c73755d3bc2b810ac1c856505ed682226d2cc7ab3

Security Headers

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

Request headers

purpose: prefetch
x-nextjs-data: 1
Referer: https://www.3blue1brown.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36
sentry-trace: 82af82741af94e43bead5ca1df69c2fd-bf9c7c350c098478-1

Response headers

x-nf-request-id: 01H55XPDYQ1EAT5E4H009EMXYK
date: Wed, 12 Jul 2023 20:46:45 GMT
content-encoding: br
strict-transport-security: max-age=31536000
server: Netlify
age: 12698
etag: "ef6e13d336474b8eaabaace19940f74d-ssl-df"
vary: X-Bb-Conditions,Accept-Encoding
content-type: application/json
cache-control: public, max-age=0, must-revalidate
accept-ranges: bytes
content-length: 56334

GET
H2 200 calculus.json Show response
www.3blue1brown.com/_next/data/JZoVeC4YEKpMZsfp88z12/topics/ 78 KB
14 KB 22ms
21ms Fetch
application/json 2a05:d014:275:cb00::c8
AMAZON-02

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Full URL

https://www.3blue1brown.com/_next/data/JZoVeC4YEKpMZsfp88z12/topics/calculus.json?slug=calculus

Requested by

Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/_next/static/chunks/pages/_app-41187c3b9bd86318.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a05:d014:275:cb00::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Netlify /

Resource Hash

e3cede688168057cd5350ddd62dcb46c3623bc1be61879c8c774b93f153f3cdd

Security Headers

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

Request headers

purpose: prefetch
x-nextjs-data: 1
Referer: https://www.3blue1brown.com/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36
sentry-trace: 82af82741af94e43bead5ca1df69c2fd-b5f3ff8419196f44-1

Response headers

x-nf-request-id: 01H55XPDYQ0NGC3E4NWQ3RMR14
date: Wed, 12 Jul 2023 20:46:45 GMT
content-encoding: br
strict-transport-security: max-age=31536000
server: Netlify
age: 12698
etag: "99546471afca20c5d3338a85077a046d-ssl-df"
vary: X-Bb-Conditions,Accept-Encoding
content-type: application/json
cache-control: public, max-age=0, must-revalidate
accept-ranges: bytes
content-length: 14596

GET
H2 200 %5Bslug%5D-997c80bc5c51bb9d.js
www.3blue1brown.com/_next/static/chunks/pages/topics/ 0
836 B 23ms
22ms Other
application/javascript 2a05:d014:275:cb00::c8
AMAZON-02

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Full URL

https://www.google.de/pagead/1p-user-list/316245675/?random=1689194807007&cv=11&fst=1689192000000&bg=ffffff&guid=ON&async=1&gtm=45be37a0&u_w=1600&u_h=1200&url=https%3A%2F%2F3blue1brown.substack.com%2Fembed&ref=https%3A%2F%2Fwww.3blue1brown.com%2F&frm=2&tiba=3Blue1Brown%20mailing%20list%20%7C%20Grant%20Sanderson%20%7C%20Substack&data=event%3Dgtag.config&fmt=3&is_vtc=1&random=962679075&rmt_tld=1&ipr=y

Requested by

Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:830::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://3blue1brown.substack.com/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

pragma: no-cache
date: Wed, 12 Jul 2023 20:46:47 GMT
content-security-policy: script-src 'none'; object-src 'none'
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

Verdicts & Comments Add Verdict or Comment

25 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.

5 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
.3blue1brown.com/	1970-01-20 22:49:14	Name: _ga_907C32EXHD Value: GS1.1.1689194804.1.0.1689194804.0.0.0
.3blue1brown.com/	1970-01-20 22:49:14	Name: _ga Value: GA1.1.897621357.1689194805
.substack.com/	1970-01-20 13:13:16	Name: __cf_bm Value: IS25FXyNqRBPkaF_K_BZvaysyg7H4e9QOhiGu8tA1L0-1689194805-0-AT+xwdlFrd+4nASWiP003ZLe2KPHEXgXTXtO0EJP9gAldz6H6fUzrDtMINGvInBc63G11YAQmFcB48oCo6SvSJg=
3blue1brown.substack.com/	1970-01-20 13:23:19	Name: AWSALBTGCORS Value: 6mw+MUCFLBpoO9tUbZ9X/c+nShW5GzR9xRril/q0aIfxTMe7ulSBCOI3D7VZqCiDs4Xb8uN92eSffvB945iMhpqBwkh1b+RKzzxPBgZPu0wMEPftV5sbftd6kDDcpHS6FRCIp3VfkZ1K4j950NRF+Aun3V7N6ebHACVHmzvJaDME
.doubleclick.net/	1970-01-20 13:13:15	Name: test_cookie Value: CheckForPermission

2 Console Messages

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

Source	Level	URL Text
rendering	error	URL: https://www.3blue1brown.com/_next/static/chunks/framework-67ffd913504c6fc8.js(Line 8) Message: Error: <svg> attribute height: Expected length, "auto".
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.

3b1b-posts.us-east-1.linodeobjects.com
3blue1brown.substack.com
blockchain.info
cloudflareinsights.com
fonts.gstatic.com
googleads.g.doubleclick.net
img.youtube.com
js.sentry-cdn.com
o932861.ingest.sentry.io
region1.google-analytics.com
static.cloudflareinsights.com
substackcdn.com
use.fontawesome.com
www.3blue1brown.com
www.datadoghq-browser-agent.com
www.google.com
www.google.de
www.googletagmanager.com
104.16.14.151
2001:4860:4802:32::36
2600:3c03::f03c:92ff:fe6e:ce1a
2600:9000:2249:1200:4:b4b9:d3c0:93a1
2606:4700:4400::6812:21f5
2606:4700::6810:3965
2606:4700:e2::ac40:840f
2a00:1450:4001:809::2002
2a00:1450:4001:810::2003
2a00:1450:4001:827::2004
2a00:1450:4001:82b::200e
2a00:1450:4001:82f::2008
2a00:1450:4001:830::2003
2a04:4e42:200::729
2a05:d014:275:cb00::c8
34.120.195.249
52.222.164.194
01ac3b4fff969f4932709bc797158d96bb5442d96205f88afaef73ad891f82d1
03408e2443044c5dc41e40d417007fbf6eeb124546342b1edbfaabf4e37b4471
0df5a33710e433de1f5415b1d47e4130ca7466aee5b81955f1045c4844bbb3ed
0fc1102204502f9050b2d7e25702c08e0db182d7f15d09f97a856dc3ca7ed738
1cb8031af08635e9091703ba130152b5f345a31cda63a4eecb46ee28d3a13208
23080499069f623891e54b90404238281d727102259ee43eb95ada7785a10e46
325888c27a425e118dbb8268198a11908c9e14e6b249b72b27ac4994484c3d59
3272e4de9ab9e08166db2a980c745b22ae9b61840d4f4438a476e17130aaa2a6
32bfb21df684a59c8af1f0fa24dc65ce30d9d13b8455ed298061606b9c6aff6b
3671a28f78db8aee5563c281b59180d274633c58260bd074701a18ec81dd5f2e
3c029efeeaeba839b879d7c49adb31e54b0d8645c40c67470c332f4548d16540
404c746c8f7e3f9b7611a8f23d908c1a32a5c972236b9d89bb68b05d9bf4b905
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44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
4609e9a5a952cf63cd32bce9751c436a00227efa4df0fbc201fe2c035563ec77
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47aa634193b7bd18ddabed19ddf8309ed78eeb4c408a0b54b8f782b6736b7281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5fce6ed4e3a9f2935eb61dc102a9ce83613073d12cba21daa37fa497afc5ee36
693fb1f2a3fb3a42ac262a97fc30aa3bfe2f11d56d1a10c050ba0622c42ae703
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7d93459d86585bfcdbb7e0376056226adb25821ee54b96236fe2123e9560929f
7f976ac9d6ead454be51d0598b3a7a200813bc5288956b0ecd630cba7298eaf1
81848bb36072a5403e9d614b34b5b60a90af0882115a7baff739f4c61dc72583
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963ef2b3b0a8b5db60d69df5814239c385bc4e8e8781c6c24bc7390457e1e6dc
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97665dac15572d3e80fa839669cf406cce35f511d060eb9702f73fe8429ecfbe
9a78463b1a71b6359414873f6c29272b09aae4abdb1f3bfe7a5f54025ed02b5c
9a9924f3a76a5b6a680217c00d279cf178b746003755247176f8993a6a7f1fd0
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fd244da39142d1c11c16a71de53e8169d4e59b189700e6c33e918ba27491c9c5
fd38500832ea7e1bd5eddfeb52a457bc3819fc68fcd977e2626906678ec97d4a
fd75f8a07fe97547a72567714651409cb00381c822320f534a05a0ff93c2b1fd
fd772df3766cca92ae4daf7b343f52bb252a31c352a1614e72443d2d8d8ead52

www.3blue1brown.com Open in urlscan Pro 2a05:d014:275:cb00::c8 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

90 Requests

100 %HTTPS

82 %IPv6

17 Domains

18 Subdomains

17 IPs

3 Countries

16438 kBTransfer

21995 kBSize

5 Cookies

15 Outgoing links

Page URL History

Redirected requests

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

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www.3blue1brown.com Open in urlscan Pro
2a05:d014:275:cb00::c8 Public Scan

Screenshot
Live screenshot

Full Image

90
Requests

100 %
HTTPS

82 %
IPv6

17
Domains

18
Subdomains

17
IPs

3
Countries

16438 kB
Transfer

21995 kB
Size

5
Cookies

90 HTTP transactions
0 data transactions