www.3blue1brown.com Open in urlscan Pro
2a05:d014:275:cb02::c8 Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
http://www.3blue1brown.com/
Effective URL:
https://www.3blue1brown.com/
Submission: On February 03 via api (February 3rd 2024, 5:24:28 am UTC) from US — Scanned from DE

Summary HTTP 110 Redirects Links 14 Behaviour Indicators

Summary

This website contacted 18 IPs in 3 countries across 17 domains to perform 110 HTTP transactions. The main IP is 2a05:d014:275:cb02::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 January 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 41	2a05:d014:275... 2a05:d014:275:cb02::c8	16509 (AMAZON-02) (AMAZON-02)
3	2606:4700:e6:... 2606:4700:e6::ac40:cf26	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2a00:1450:400... 2a00:1450:4001:812::2008	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:811::200e	15169 (GOOGLE) (GOOGLE)
36	2600:3c03::f0... 2600:3c03::f03c:92ff:fe6e:6d8b	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... 2a00:1450:4001:830::2003	15169 (GOOGLE) (GOOGLE)
2	34.120.195.249 34.120.195.249	396982 (GOOGLE-CL...) (GOOGLE-CLOUD-PLATFORM)
1	2001:4860:480... 2001:4860:4802:32::36	15169 (GOOGLE) (GOOGLE)
10	2600:9000:237... 2600:9000:237d:f200:4:b4b9:d3c0:93a1	16509 (AMAZON-02) (AMAZON-02)
1	2a04:4e42:400... 2a04:4e42:400::729	54113 (FASTLY) (FASTLY)
1	2606:4700::68... 2606:4700::6810:3865	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	13.225.82.120 13.225.82.120	16509 (AMAZON-02) (AMAZON-02)
1	104.17.140.37 104.17.140.37	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2606:4700::68... 2606:4700::6810:3965	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	2a00:1450:400... 2a00:1450:4001:830::2002	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:80f::2004	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:812::2003	15169 (GOOGLE) (GOOGLE)
110	18

41 2a05:d014:275:cb02::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:e6::ac40:cf26 (United States)

ASN13335 (CLOUDFLARENET, US)

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

2 2a00:1450:4001:812::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:811::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

36 2600:3c03::f03c:92ff:fe6e:6d8b (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 2a00:1450:4001:830::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fonts.gstatic.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 2001:4860:4802:32::36 (United States)

ASN15169 (GOOGLE, US)

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

10 2600:9000:237d:f200:4:b4b9:d3c0:93a1 (United States)

ASN16509 (AMAZON-02, US)

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

1 2a04:4e42:400::729 (United States)

ASN54113 (FASTLY, US)

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

1 2606:4700::6810:3865 (United States)

ASN13335 (CLOUDFLARENET, US)

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

1 13.225.82.120 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-225-82-120.fra2.r.cloudfront.net

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

1 104.17.140.37 (None, )

ASN13335 (CLOUDFLARENET, US)

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

2 2606:4700::6810:3965 (United States)

ASN13335 (CLOUDFLARENET, US)

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

1 2a00:1450:4001:830::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:80f::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2a00:1450:4001:812::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

	Apex Domain Subdomains	Transfer
41	3blue1brown.com 1 redirects www.3blue1brown.com	894 KB
36	linodeobjects.com 3b1b-posts.us-east-1.linodeobjects.com	5 MB
10	substackcdn.com substackcdn.com — Cisco Umbrella Rank: 17089	894 KB
4	gstatic.com fonts.gstatic.com	65 KB
3	cloudflareinsights.com static.cloudflareinsights.com — Cisco Umbrella Rank: 811 cloudflareinsights.com — Cisco Umbrella Rank: 794	7 KB
3	fontawesome.com use.fontawesome.com — Cisco Umbrella Rank: 971	276 KB
2	sentry.io o932861.ingest.sentry.io	649 B
2	substack.com 3blue1brown.substack.com	12 KB
2	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 37	158 KB
1	google.de www.google.de — Cisco Umbrella Rank: 6518	455 B
1	google.com www.google.com — Cisco Umbrella Rank: 2	455 B
1	doubleclick.net googleads.g.doubleclick.net — Cisco Umbrella Rank: 38	2 KB
1	blockchain.info blockchain.info — Cisco Umbrella Rank: 93236	2 KB
1	datadoghq-browser-agent.com www.datadoghq-browser-agent.com — Cisco Umbrella Rank: 1454	48 KB
1	sentry-cdn.com js.sentry-cdn.com — Cisco Umbrella Rank: 6149	2 KB
1	google-analytics.com region1.google-analytics.com — Cisco Umbrella Rank: 2029	257 B
1	youtube.com img.youtube.com — Cisco Umbrella Rank: 3575	90 KB
110	17

	Domain	Requested by
41	www.3blue1brown.com	1 redirects www.3blue1brown.com
36	3b1b-posts.us-east-1.linodeobjects.com	www.3blue1brown.com
10	substackcdn.com	3blue1brown.substack.com substackcdn.com
4	fonts.gstatic.com	www.3blue1brown.com 3blue1brown.substack.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
2	www.googletagmanager.com	www.3blue1brown.com substackcdn.com
1	www.google.de	www.3blue1brown.com
1	www.google.com	www.3blue1brown.com
1	googleads.g.doubleclick.net	www.googletagmanager.com
1	blockchain.info	www.3blue1brown.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	region1.google-analytics.com	www.googletagmanager.com
1	img.youtube.com	www.3blue1brown.com
110	18

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

Domain
store.dftba.com
www.youtube.com
3blue1brown.substack.com
www.patreon.com
twitter.com
www.instagram.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	`2024-01-13` - `2024-04-12`	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	`2024-01-09` - `2024-04-02`	3 months	crt.sh
*.google.com GTS CA 1C3	`2024-01-09` - `2024-04-02`	3 months	crt.sh
us-east-1.linodeobjects.com R3	`2024-01-02` - `2024-04-01`	3 months	crt.sh
substack.com Cloudflare Inc ECC CA-3	`2023-09-13` - `2024-09-12`	a year	crt.sh
*.gstatic.com GTS CA 1C3	`2024-01-09` - `2024-04-02`	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
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 2023 Q3	`2023-08-01` - `2024-09-01`	a year	crt.sh
sni.cloudflaressl.com Cloudflare Inc ECC CA-3	`2023-04-10` - `2024-04-09`	a year	crt.sh
*.datadoghq-browser-agent.com DigiCert Global G2 TLS RSA SHA256 2020 CA1	`2023-12-12` - `2024-12-14`	a year	crt.sh
www.blockchain.com DigiCert Global G2 TLS RSA SHA256 2020 CA1	`2023-10-12` - `2024-11-05`	a year	crt.sh
*.g.doubleclick.net GTS CA 1C3	`2024-01-09` - `2024-04-02`	3 months	crt.sh
www.google.com GTS CA 1C3	`2024-01-09` - `2024-04-02`	3 months	crt.sh
www.google.de GTS CA 1C3	`2024-01-09` - `2024-04-02`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://www.3blue1brown.com/
Frame ID: 1FAD6EBAA6D8D0434A28B547294E5C41
Requests: 88 HTTP requests in this frame

Frame: https://3blue1brown.substack.com/embed
Frame ID: B623DDCABBC1CCF1DC8582F62FF6ED54
Requests: 21 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

math.js (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

math(?:\.min)?\.js

Page Statistics

110
Requests

100 %
HTTPS

83 %
IPv6

17
Domains

18
Subdomains

18
IPs

3
Countries

7163 kB
Transfer

22226 kB
Size

5
Cookies

14 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://3blue1brown.substack.com/

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

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/Cz4Q4QOuoo8
Title: Latest video: How light can appear faster than c, why it bends, and other questions | Optics puzzles 4

Search URL Search Domain Scan URL

URL: https://www.blockchain.com/btc/tx/089fd6558327c0c1391bfccda52aec17f0bf40ffc68852bb2a77d6c9f27c9e7e
Title: 089fd65583…c9f27c9e7ebc1…3d pays bc1…ch (+2)0.0108 BTC ($467.31)

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:

110 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/

288 KB
63 KB

24ms
8ms

Document
text/html

2a05:d014:275:cb02::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:cb02::c8 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Netlify /

Resource Hash

450b582a339ee20429f25ce4660edbd28a2cba28760caf1ab11edcadd8314e58

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/121.0.6167.139 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

accept-ranges: bytes
age: 43077
cache-control: public,max-age=0,must-revalidate
cache-status: "Netlify Edge"; hit
content-encoding: br
content-length: 64009
content-type: text/html; charset=UTF-8
date: Sat, 03 Feb 2024 05:24:21 GMT
etag: "b0f06c9b8d579c81b11f60d686f40df0-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: 01HNPPSH8M38NR4X41EFF4MEFX

Redirect headers

Content-Length: 43
Content-Type: text/plain; charset=utf-8
Date: Sat, 03 Feb 2024 05:24:21 GMT
Location: https://www.3blue1brown.com/
Server: Netlify
X-Nf-Request-Id: 01HNPPSH7W10KZMQSKMW4948KS

GET
H2 200 all.css
use.fontawesome.com/releases/v6.1.1/css/ 98 KB
21 KB 51ms
23ms Stylesheet
text/css 2606:4700:e6::ac40:cf26
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:e6::ac40:cf26 , 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/121.0.6167.139 Safari/537.36

Response headers

date: Sat, 03 Feb 2024 05:24:21 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: 89708
etag: W/"6386fb409d4a2abc96eee7be8f6d4cc4"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=qtf%2BdWO6J8dsu04qNGmG6RiWIONFju6B8ZKe2gc14wIgm2PUZQzrXfxq1PRBDmQk2uKHScVcxhZ0CMEfLglCUK%2BOX9Oxy4oA8Qw55DxYRcBA9b%2FBN8%2Fc4DrDbhsSrWQRtbAltI1iT%2Fs5EUJK2wgvO1Tx"}],"group":"cf-nel","max_age":604800}
content-type: text/css
cache-control: max-age=31556926
cf-ray: 84f83f41fb319116-FRA
alt-svc: h3=":443"; ma=86400

GET
H2 200 js Show response
www.googletagmanager.com/gtag/ 244 KB
85 KB 177ms
68ms Script
application/javascript 2a00:1450:4001:812::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

2a00:1450:4001:812::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

92fb77dbc7045739316d04a854bc953671dee1d6bf774a79957c3f8969d78f66

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/121.0.6167.139 Safari/537.36

Response headers

date: Sat, 03 Feb 2024 05:24:21 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: 86524
x-xss-protection: 0
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires: Sat, 03 Feb 2024 05:24:21 GMT

GET
H2 200 b165666056315602.css
www.3blue1brown.com/_next/static/css/ 27 KB
4 KB 11ms
10ms Stylesheet
text/css 2a05:d014:275:cb02::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:cb02::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/121.0.6167.139 Safari/537.36

Response headers

x-nf-request-id: 01HNPPSH8ZKBY9A116ZCFQ2RP0
date: Sat, 03 Feb 2024 05:24:21 GMT
content-encoding: br
strict-transport-security: max-age=31536000
server: Netlify
age: 48303
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: 4457

GET
H2 200 6052328135098717.css
www.3blue1brown.com/_next/static/css/ 36 KB
7 KB 11ms
11ms Stylesheet
text/css 2a05:d014:275:cb02::c8
AMAZON-02

General

Check archive.org

Show headers 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/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a05:d014:275:cb02::c8 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

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/121.0.6167.139 Safari/537.36

Response headers

x-nf-request-id: 01HNPPSH90QXW298RQ679ZGVED
date: Sat, 03 Feb 2024 05:24:21 GMT
content-encoding: br
strict-transport-security: max-age=31536000
server: Netlify
age: 11974
cache-status: "Netlify Edge"; hit
etag: "6cf1931defa41e5e8fc16e55650ba148-ssl-df"
vary: Accept-Encoding
content-type: text/css; charset=UTF-8
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Response headers

Date: Sat, 03 Feb 2024 05:24:21 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:51 GMT
x-amz-meta-s3cmd-attrs: atime:1627443075/ctime:1627443075/gid:116/md5:6f3a8b98eab48d2eee7cc8544c067184/mode:33188/mtime:1627443075/uid:1001
x-amz-request-id: tx00000a124bb97609f3120-0065bdce05-51c6c993-default
ETag: "6f3a8b98eab48d2eee7cc8544c067184"
Content-Type: image/jpeg
X-Amz-Storage-Class: STANDARD
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
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 389ms
122ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:6d8b
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/neural-networks.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b 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/121.0.6167.139 Safari/537.36

Response headers

Date: Sat, 03 Feb 2024 05:24:21 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: tx000008d6dda419872f80b-0065bdce05-51c6d4ab-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 392ms
126ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:6d8b
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/differential-equations.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b 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/121.0.6167.139 Safari/537.36

Response headers

Date: Sat, 03 Feb 2024 05:24:21 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: tx000003318b7996b195694-0065bdce05-51c6cd46-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 376ms
109ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:6d8b
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/puzzles.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b 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/121.0.6167.139 Safari/537.36

Response headers

Date: Sat, 03 Feb 2024 05:24:21 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: tx00000d6b7bc791691d2b5-0065bdce05-5188f5da-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 468ms
145ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:6d8b
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/why-pi.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b 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/121.0.6167.139 Safari/537.36

Response headers

Date: Sat, 03 Feb 2024 05:24:21 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: tx000000b37c951ca253336-0065bdce05-51e55cda-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 833ms
144ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:6d8b
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 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b 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/121.0.6167.139 Safari/537.36

Response headers

Date: Sat, 03 Feb 2024 05:24:22 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: tx000002c10d2eb58cc2b12-0065bdce06-51b54768-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 766ms
126ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:6d8b
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/analysis.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b 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/121.0.6167.139 Safari/537.36

Response headers

Date: Sat, 03 Feb 2024 05:24:22 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: tx00000b92c3647a69153f1-0065bdce06-51679676-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 970ms
117ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:6d8b
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 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b 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/121.0.6167.139 Safari/537.36

Response headers

Date: Sat, 03 Feb 2024 05:24:22 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: tx00000fb6212a059e557e2-0065bdce06-51eb3a38-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 774ms
133ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:6d8b
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 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b 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/121.0.6167.139 Safari/537.36

Response headers

Date: Sat, 03 Feb 2024 05:24:22 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: tx000001d2dbbc5564eb72b-0065bdce06-5176c563-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 840ms
120ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:6d8b
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/group-theory.jpg
Requested by: Host: www.3blue1brown.com
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b 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/121.0.6167.139 Safari/537.36

Response headers

Date: Sat, 03 Feb 2024 05:24:22 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: tx0000079973b4a891007ff-0065bdce06-512422dc-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 953ms
110ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:6d8b
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 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b 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/121.0.6167.139 Safari/537.36

Response headers

Date: Sat, 03 Feb 2024 05:24:22 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: tx000003454c5a681a60e9a-0065bdce06-50dc6708-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 776ms
119ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:6d8b
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 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b 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/121.0.6167.139 Safari/537.36

Response headers

Date: Sat, 03 Feb 2024 05:24:22 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: tx00000f7dbc3731a8e289d-0065bdce06-51274b31-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 886ms
108ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:6d8b
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 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b 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/121.0.6167.139 Safari/537.36

Response headers

Date: Sat, 03 Feb 2024 05:24:22 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: tx00000fc9da917331dbc8c-0065bdce06-51274b31-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 890ms
114ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:6d8b
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 1.3, , AES_128_GCM
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Response headers

Date: Sat, 03 Feb 2024 05:24:22 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:51 GMT
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72 KB 897ms
117ms Image
image/jpeg 2600:3c03::f03c:92ff:fe6e:6d8b
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/miscellaneous.jpg
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Response headers

Date: Sat, 03 Feb 2024 05:24:22 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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434 B 19ms
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AMAZON-02

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Full URL

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Protocol

Security

TLS 1.3, , AES_128_GCM

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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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Response headers

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cache-control: no-cache
cf-cache-status: EXPIRED
cf-ray: 84f83f427b9568eb-FRA
content-encoding: br
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GOOGLE

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Full URL

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

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Response headers

date: Tue, 30 Jan 2024 18:48:59 GMT
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font/woff2 2a00:1450:4001:830::2003
GOOGLE

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Full URL

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Protocol

Security

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Server

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Response headers

date: Tue, 30 Jan 2024 18:55:01 GMT
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104 KB 66ms
39ms Font
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CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://use.fontawesome.com/releases/v6.1.1/webfonts/fa-brands-400.woff2
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Origin: https://www.3blue1brown.com
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Response headers

date: Sat, 03 Feb 2024 05:24:21 GMT
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GET
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151 KB 50ms
23ms Font
font/woff2 2606:4700:e6::ac40:cf26
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

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
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Request headers

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Origin: https://www.3blue1brown.com
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Response headers

date: Sat, 03 Feb 2024 05:24:21 GMT
cf-cache-status: HIT
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age: 159905
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GET
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fonts.gstatic.com/s/poppins/v20/ 8 KB
8 KB 162ms
52ms Font
font/woff2 2a00:1450:4001:830::2003
GOOGLE

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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

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Reverse DNS

Software

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Resource Hash

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Security Headers

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Response headers

date: Tue, 30 Jan 2024 18:48:19 GMT
x-content-type-options: nosniff
age: 297362
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
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expires: Wed, 29 Jan 2025 18:48:19 GMT

GET
H/1.1 206
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0 117ms
117ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:6d8b
AKAMAI-LINODE-AP ...

General

Check archive.org

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/
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Software: /
Resource Hash

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/121.0.6167.139 Safari/537.36
Range: bytes=0-

Response headers

Date: Sat, 03 Feb 2024 05:24:22 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
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0 111ms
110ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:6d8b
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
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
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Server: 2600:3c03::f03c:92ff:fe6e:6d8b Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
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Resource Hash

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/121.0.6167.139 Safari/537.36
Range: bytes=0-

Response headers

Date: Sat, 03 Feb 2024 05:24:22 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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0 105ms
105ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:6d8b
AKAMAI-LINODE-AP ...

General

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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:6d8b Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash

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/121.0.6167.139 Safari/537.36
Range: bytes=0-

Response headers

Date: Sat, 03 Feb 2024 05:24:22 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
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GET
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AKAMAI-LINODE-AP ...

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Full URL: https://3b1b-posts.us-east-1.linodeobjects.com/featured-content/fourier-pi.mp4
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Request headers

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Response headers

Date: Sat, 03 Feb 2024 05:24:22 GMT
Last-Modified: Tue, 03 Aug 2021 19:30:28 GMT
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Resource Hash

Request headers

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Response headers

Date: Sat, 03 Feb 2024 05:24:22 GMT
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Response headers

Date: Sat, 03 Feb 2024 05:24:22 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:43 GMT
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Response headers

Date: Sat, 03 Feb 2024 05:24:22 GMT
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Full URL

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Full URL

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AKAMAI-LINODE-AP ...

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Full URL: https://3b1b-posts.us-east-1.linodeobjects.com/content/lessons/2017/derivatives-power-rule/figures/5.20-6.20-trimmed.mp4
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Date: Sat, 03 Feb 2024 05:24:22 GMT
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AKAMAI-LINODE-AP ...

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Full URL: https://3b1b-posts.us-east-1.linodeobjects.com/featured-content/eola-preview.mp4
Requested by: Host: www.3blue1brown.com
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Response headers

Date: Sat, 03 Feb 2024 05:24:23 GMT
Last-Modified: Fri, 03 Sep 2021 14:18:29 GMT
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GOOGLE-CLOUD-PLAT...

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AKAMAI-LINODE-AP ...

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Full URL: https://3b1b-posts.us-east-1.linodeobjects.com/featured-content/clacks.mp4
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Response headers

Date: Sat, 03 Feb 2024 05:24:23 GMT
Last-Modified: Wed, 28 Jul 2021 03:31:42 GMT
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AKAMAI-LINODE-AP ...

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Full URL: https://3b1b-posts.us-east-1.linodeobjects.com/featured-content/fourier-pi.mp4
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Response headers

Date: Sat, 03 Feb 2024 05:24:23 GMT
Last-Modified: Tue, 03 Aug 2021 19:30:28 GMT
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AKAMAI-LINODE-AP ...

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Full URL: https://3b1b-posts.us-east-1.linodeobjects.com/featured-content/sudanese-band-loop.mp4
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Response headers

Date: Sat, 03 Feb 2024 05:24:23 GMT
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128ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:6d8b
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to

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 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: 6d613b2271924d118658e686bc076f1e21c72ced7fe109daa6e10f228e904183

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/121.0.6167.139 Safari/537.36
Range: bytes=1245184-

Response headers

Date: Sat, 03 Feb 2024 05:24:23 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: tx0000016fc6a5f4f65f755-0065bdce07-51c67e8e-default
ETag: "d5794f9fd14cd9c0d9a60b1ee8f84097"
Content-Type: video/mp4
X-Amz-Storage-Class: STANDARD
Content-Range: bytes 1245184-1292942/1292943
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 47759

GET
H2 200 /
www.google.com/pagead/1p-user-list/316245675/ Frame B623 42 B
455 B 273ms
62ms Image
image/gif 2a00:1450:4001:80f::2004
GOOGLE

General

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Show headers Download Go to Show image

Full URL

https://www.google.com/pagead/1p-user-list/316245675/?random=1706937862535&cv=11&fst=1706936400000&bg=ffffff&guid=ON&async=1&gtm=45be41v0v887153041za200&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&npa=0&data=event%3Dgtag.config&fmt=3&is_vtc=1&cid=CAQSGwAvHhf_qStvaGpqHyvJfqI5Eg7OA7jMWV5N4w&random=88100925&rmt_tld=0&ipr=y

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:80f::2004 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/121.0.6167.139 Safari/537.36

Response headers

pragma: no-cache
date: Sat, 03 Feb 2024 05:24:23 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

GET
H2 200 /
www.google.de/pagead/1p-user-list/316245675/ Frame B623 42 B
455 B 273ms
63ms Image
image/gif 2a00:1450:4001:812::2003
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.de/pagead/1p-user-list/316245675/?random=1706937862535&cv=11&fst=1706936400000&bg=ffffff&guid=ON&async=1&gtm=45be41v0v887153041za200&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&npa=0&data=event%3Dgtag.config&fmt=3&is_vtc=1&cid=CAQSGwAvHhf_qStvaGpqHyvJfqI5Eg7OA7jMWV5N4w&random=88100925&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

2a00:1450:4001:812::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/121.0.6167.139 Safari/537.36

Response headers

pragma: no-cache
date: Sat, 03 Feb 2024 05:24:23 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

GET
H/1.1 206
Partial Content sphere-area.mp4
3b1b-posts.us-east-1.linodeobjects.com/featured-content/ 12 KB
13 KB 298ms
117ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:6d8b
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to

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 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash: 5389dd71a73f63d2036d1a23fb70a18503291c6d3d698d3ab682948e16ebe503

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/121.0.6167.139 Safari/537.36
Range: bytes=2654208-

Response headers

Date: Sat, 03 Feb 2024 05:24:23 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: tx000006fd9680f9519bdf3-0065bdce07-51c6edd5-default
ETag: "c21b7f5793689c63e153783c86caf0b6"
Content-Type: video/mp4
X-Amz-Storage-Class: STANDARD
Content-Range: bytes 2654208-2666598/2666599
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 12391

GET
H/1.1 206
Partial Content 5.20-6.20-trimmed.mp4
3b1b-posts.us-east-1.linodeobjects.com/content/lessons/2017/derivatives-power-rule/figures/ 336 KB
0 201ms
128ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:6d8b
AKAMAI-LINODE-AP ...

General

Check archive.org

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
URL: https://www.3blue1brown.com/
Protocol: HTTP/1.1
Security: TLS 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash

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/121.0.6167.139 Safari/537.36
Range: bytes=32768-

Response headers

Date: Sat, 03 Feb 2024 05:24:23 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
x-amz-request-id: tx000004a68370ed64da89b-0065bdce07-517dadae-default
ETag: "331ff9cc18f953483b43ef23d26eb0da"
Content-Type: video/mp4
X-Amz-Storage-Class: STANDARD
Content-Range: bytes 32768-385701/385702
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 352934

GET
H/1.1 206
Partial Content fourier-pi.mp4
3b1b-posts.us-east-1.linodeobjects.com/featured-content/ 2 MB
0 210ms
139ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:6d8b
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to

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 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash

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/121.0.6167.139 Safari/537.36
Range: bytes=65536-

Response headers

Date: Sat, 03 Feb 2024 05:24:23 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: tx000009268545c3555d84f-0065bdce07-51c82721-default
ETag: "03d8a19860f36be5daf6a556f16b639d"
Content-Type: video/mp4
X-Amz-Storage-Class: STANDARD
Content-Range: bytes 65536-2670670/2670671
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 2605135

GET
H/1.1 206
Partial Content eola-preview.mp4
3b1b-posts.us-east-1.linodeobjects.com/featured-content/ 1 MB
0 160ms
157ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:6d8b
AKAMAI-LINODE-AP ...

General

Check archive.org

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 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash

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/121.0.6167.139 Safari/537.36
Range: bytes=32768-

Response headers

Date: Sat, 03 Feb 2024 05:24:23 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
x-amz-request-id: tx00000bd731ee82c1ab839-0065bdce07-50b6ab33-default
ETag: "8f40bac4bbd1b1e276701e290c7a5418"
Content-Type: video/mp4
X-Amz-Storage-Class: STANDARD
Content-Range: bytes 32768-1602223/1602224
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 1569456

GET
H/1.1 206
Partial Content clacks.mp4
3b1b-posts.us-east-1.linodeobjects.com/featured-content/ 304 KB
0 130ms
130ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:6d8b
AKAMAI-LINODE-AP ...

General

Check archive.org

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/
Protocol: HTTP/1.1
Security: TLS 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash

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/121.0.6167.139 Safari/537.36
Range: bytes=32768-

Response headers

Date: Sat, 03 Feb 2024 05:24:23 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: tx00000f624deae049f36e9-0065bdce07-51cf28e4-default
ETag: "9311e062df927aed8bdfc8fd5862d5f6"
Content-Type: video/mp4
X-Amz-Storage-Class: STANDARD
Content-Range: bytes 32768-355624/355625
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 322857

GET
H/1.1 206
Partial Content prime-spirals.mp4
3b1b-posts.us-east-1.linodeobjects.com/featured-content/ 1 MB
0 124ms
124ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:6d8b
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to

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 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash

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/121.0.6167.139 Safari/537.36
Range: bytes=32768-

Response headers

Date: Sat, 03 Feb 2024 05:24:23 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: tx00000dd01fc33e6a4f637-0065bdce07-51c67e8e-default
ETag: "d5794f9fd14cd9c0d9a60b1ee8f84097"
Content-Type: video/mp4
X-Amz-Storage-Class: STANDARD
Content-Range: bytes 32768-1292942/1292943
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 1260175

GET
H/1.1 206
Partial Content sphere-area.mp4
3b1b-posts.us-east-1.linodeobjects.com/featured-content/ 3 MB
0 116ms
116ms Media
video/mp4 2600:3c03::f03c:92ff:fe6e:6d8b
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to

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 1.3, , AES_128_GCM
Server: 2600:3c03::f03c:92ff:fe6e:6d8b Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: /
Resource Hash

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/121.0.6167.139 Safari/537.36
Range: bytes=32768-

Response headers

Date: Sat, 03 Feb 2024 05:24:23 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: tx0000099de10599c913163-0065bdce07-50dc6708-default
ETag: "c21b7f5793689c63e153783c86caf0b6"
Content-Type: video/mp4
X-Amz-Storage-Class: STANDARD
Content-Range: bytes 32768-2666598/2666599
x-rgw-object-type: Normal
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 2633831

Verdicts & Comments Add Verdict or Comment

21 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
.substack.com/	1970-01-20 18:08:59	Name: __cf_bm Value: AnADYJc144SAevLCSUhMjNP0ZUpk3prdGeXn0_QDyb8-1706937861-1-Affb+70iUQX5+ev5JdRssB69Lcnn/IZZUyt+NalKi40DUqaQT0mexrGJ9HaG26GoyZK7JhBdmg5+R6eKc+l1X/M=
.3blue1brown.com/	1970-01-21 03:44:57	Name: _ga_907C32EXHD Value: GS1.1.1706937861.1.0.1706937861.0.0.0
.3blue1brown.com/	1970-01-21 03:44:57	Name: _ga Value: GA1.1.616684048.1706937862
3blue1brown.substack.com/	1970-01-20 18:19:02	Name: AWSALBTGCORS Value: pyO1WPOCpPeoTp4qOfmPBsgBnYC9SmQUag2AaizpPratEwYcZB1qatXurbee3NwegYsuGsq58Ig4yuc85WucinLY7/q/T+WVCjETyfyWrP6dUvPHSPlu3IfSgQe/yxHG6p5GZANdPwxfM+vJh+r4CLm2wP+xsST/C9K6IzVjqvZr
.doubleclick.net/	1970-01-20 18:08:58	Name: test_cookie Value: CheckForPermission

7 Console Messages

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

Source	Level	URL Text
other	warning	URL: https://www.3blue1brown.com/ Message: Third-party cookie will be blocked. Learn more in the Issues tab.
rendering	error	URL: https://www.3blue1brown.com/_next/static/chunks/framework-67ffd913504c6fc8.js(Line 8) Message: Error: <svg> attribute height: Expected length, "auto".
other	warning	URL: https://www.3blue1brown.com/ Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://www.3blue1brown.com/ Message: Third-party cookie will be blocked. Learn more in the Issues tab.
other	warning	URL: https://www.3blue1brown.com/ Message: Third-party cookie will be blocked. Learn more in the Issues tab.
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 ()
other	warning	URL: https://www.3blue1brown.com/ Message: Third-party cookie will be blocked. Learn more in the Issues tab.

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
104.17.140.37
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www.3blue1brown.com Open in urlscan Pro 2a05:d014:275:cb02::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

110 Requests

100 %HTTPS

83 %IPv6

17 Domains

18 Subdomains

18 IPs

3 Countries

7163 kBTransfer

22226 kBSize

5 Cookies

14 Outgoing links

Page URL History

Redirected requests

110 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:cb02::c8 Public Scan

Screenshot
Live screenshot

Full Image

110
Requests

100 %
HTTPS

83 %
IPv6

17
Domains

18
Subdomains

18
IPs

3
Countries

7163 kB
Transfer

22226 kB
Size

5
Cookies

110 HTTP transactions
0 data transactions