Submitted URL: https://link.sbstck.com/redirect/f989fc4b-ba51-4794-8ca7-edc6733375ba?j=eyJ1IjoiOWN6em0ifQ.h4M7YjCG1_IABSwhXT8U9a_o_PidX...
Effective URL: https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_sour...
Submission: On August 28 via manual from BR — Scanned from DE

Summary

This website contacted 17 IPs in 3 countries across 15 domains to perform 80 HTTP transactions. The main IP is 2606:4700:10::6816:af, located in United States and belongs to CLOUDFLARENET, US. The main domain is subscription.packtpub.com. The Cisco Umbrella rank of the primary domain is 235820.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on April 7th 2023. Valid for: a year.
This is the only time subscription.packtpub.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

Apex Domain
Subdomains
Transfer
39 packtpub.com
subscription.packtpub.com — Cisco Umbrella Rank: 235820
2 MB
14 gstatic.com
www.gstatic.com
fonts.gstatic.com
676 KB
7 google.com
www.google.com — Cisco Umbrella Rank: 2
94 KB
4 packt.com
content.packt.com — Cisco Umbrella Rank: 403675
60 KB
3 paypal.com
www.paypal.com — Cisco Umbrella Rank: 2726
www.sandbox.paypal.com — Cisco Umbrella Rank: 49881
77 KB
2 intercomcdn.com
js.intercomcdn.com — Cisco Umbrella Rank: 2586
214 KB
2 heapanalytics.com
cdn.heapanalytics.com — Cisco Umbrella Rank: 976
heapanalytics.com
40 KB
2 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 45
1 KB
1 google.de
www.google.de — Cisco Umbrella Rank: 6490
455 B
1 cloudfront.net
dna8twue3dlxq.cloudfront.net
9 KB
1 doubleclick.net
googleads.g.doubleclick.net — Cisco Umbrella Rank: 42
2 KB
1 intercom.io
widget.intercom.io — Cisco Umbrella Rank: 2022
3 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 48
98 KB
1 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 1024
7 KB
1 sbstck.com
link.sbstck.com — Cisco Umbrella Rank: 94359
1 KB
80 15
Domain Requested by
39 subscription.packtpub.com subscription.packtpub.com
static.cloudflareinsights.com
9 www.gstatic.com subscription.packtpub.com
www.google.com
www.gstatic.com
7 www.google.com subscription.packtpub.com
www.google.com
www.gstatic.com
5 fonts.gstatic.com www.google.com
4 content.packt.com
2 js.intercomcdn.com widget.intercom.io
2 www.sandbox.paypal.com www.paypal.com
2 fonts.googleapis.com subscription.packtpub.com
1 heapanalytics.com
1 www.google.de
1 dna8twue3dlxq.cloudfront.net subscription.packtpub.com
1 googleads.g.doubleclick.net subscription.packtpub.com
1 cdn.heapanalytics.com subscription.packtpub.com
1 widget.intercom.io subscription.packtpub.com
1 www.paypal.com subscription.packtpub.com
1 www.googletagmanager.com subscription.packtpub.com
1 static.cloudflareinsights.com subscription.packtpub.com
1 link.sbstck.com 1 redirects
80 18

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

Domain
www.packtpub.com
Subject Issuer Validity Valid
packtpub.com
Cloudflare Inc ECC CA-3
2023-04-07 -
2024-04-06
a year crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3
2023-04-10 -
2024-04-09
a year crt.sh
*.google-analytics.com
GTS CA 1C3
2023-08-07 -
2023-10-30
3 months crt.sh
upload.video.google.com
GTS CA 1C3
2023-08-07 -
2023-10-30
3 months crt.sh
www.google.com
GTS CA 1C3
2023-08-07 -
2023-10-30
3 months crt.sh
www.paypal.com
DigiCert SHA2 Extended Validation Server CA
2023-07-21 -
2024-08-20
a year crt.sh
*.gstatic.com
GTS CA 1C3
2023-08-07 -
2023-10-30
3 months crt.sh
*.google.com
GTS CA 1C3
2023-08-07 -
2023-10-30
3 months crt.sh
*.intercom.com
Amazon RSA 2048 M02
2023-02-14 -
2024-03-14
a year crt.sh
cdn.heapanalytics.com
Amazon RSA 2048 M01
2023-06-29 -
2024-07-27
a year crt.sh
*.g.doubleclick.net
GTS CA 1C3
2023-08-07 -
2023-10-30
3 months crt.sh
*.cloudfront.net
Amazon RSA 2048 M01
2022-12-08 -
2023-12-07
a year crt.sh
www.sandbox.paypal.com
DigiCert SHA2 Extended Validation Server CA
2023-08-11 -
2024-02-19
6 months crt.sh
*.intercomcdn.com
Amazon RSA 2048 M01
2023-02-21 -
2024-01-29
a year crt.sh
www.google.de
GTS CA 1C3
2023-08-07 -
2023-10-30
3 months crt.sh
content.packt.com
Cloudflare Inc ECC CA-3
2023-07-20 -
2024-07-18
a year crt.sh
heapanalytics.com
Amazon RSA 2048 M02
2022-12-09 -
2024-01-07
a year crt.sh

This page contains 4 frames:

Primary Page: https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
Frame ID: 5564A099FC446ADCC82A6FA6B6619A89
Requests: 59 HTTP requests in this frame

Frame: https://www.google.com/recaptcha/api2/anchor?ar=1&k=6LeAHSgUAAAAAKsn5jo6RUSTLVxGNYyuvUcLMe0_&co=aHR0cHM6Ly9zdWJzY3JpcHRpb24ucGFja3RwdWIuY29tOjQ0Mw..&hl=de&v=0hCdE87LyjzAkFO5Ff-v7Hj1&size=invisible&cb=ae2d2ivoszsd
Frame ID: 7492C957A002DB5CE0860DD24B3C409D
Requests: 7 HTTP requests in this frame

Frame: https://js.intercomcdn.com/frame-modern.bde3bf46.js
Frame ID: 1958CEA3DE1377F82BE007CC240DC5FE
Requests: 2 HTTP requests in this frame

Frame: https://www.google.com/recaptcha/api2/bframe?hl=de&v=0hCdE87LyjzAkFO5Ff-v7Hj1&k=6LeAHSgUAAAAAKsn5jo6RUSTLVxGNYyuvUcLMe0_
Frame ID: F7E4746ED390CD7ACA43AB017FE773FD
Requests: 11 HTTP requests in this frame

Screenshot

Page Title

Road to ChatGPT: the math of the model behind it | Modern Generative AI with ChatGPT and OpenAI Models

Page URL History Show full URLs

  1. https://link.sbstck.com/redirect/f989fc4b-ba51-4794-8ca7-edc6733375ba?j=eyJ1IjoiOWN6em0ifQ.h4M7YjCG1... HTTP 302
    https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-mode... Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

Overall confidence: 100%
Detected patterns
  • <[^>]+data-react

Overall confidence: 100%
Detected patterns
  • static\.cloudflareinsights\.com/beacon(?:\.min)?\.js

Overall confidence: 100%
Detected patterns
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtm\.js

Overall confidence: 100%
Detected patterns
  • heap-\d+\.js

Overall confidence: 100%
Detected patterns
  • /recaptcha/api\.js

Page Statistics

80
Requests

99 %
HTTPS

59 %
IPv6

15
Domains

18
Subdomains

17
IPs

3
Countries

3063 kB
Transfer

10446 kB
Size

12
Cookies

Page URL History

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

  1. https://link.sbstck.com/redirect/f989fc4b-ba51-4794-8ca7-edc6733375ba?j=eyJ1IjoiOWN6em0ifQ.h4M7YjCG1_IABSwhXT8U9a_o_PidXqqjy96Bwj1GlXE HTTP 302
    https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

80 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request road-to-chatgpt-the-math-of-the-model-behind-it
subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/
Redirect Chain
  • https://link.sbstck.com/redirect/f989fc4b-ba51-4794-8ca7-edc6733375ba?j=eyJ1IjoiOWN6em0ifQ.h4M7YjCG1_IABSwhXT8U9a_o_PidXqqjy96Bwj1GlXE
  • https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
3 KB
2 KB
Document
General
Full URL
https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6816:af , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
cafbbe2dfe20930fa7fb366720ae3176e3db4d3a85ce3e2818f2a281d82ca5fb
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

cache-control
no-cache, private
cf-cache-status
DYNAMIC
cf-ray
7fda0642bf9718f3-FRA
content-encoding
br
content-type
text/html; charset=UTF-8
date
Mon, 28 Aug 2023 05:06:21 GMT
server
cloudflare
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block

Redirect headers

cache-control
no-cache
content-length
368
content-type
text/html; charset=utf-8
date
Mon, 28 Aug 2023 05:06:21 GMT
location
https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
strict-transport-security
max-age=31536000
vary
Accept, Accept-Encoding
x-cluster
substack
x-deploy
7365240366
x-frame-options
sameorigin
x-powered-by
Express
x-robots-tag
noindex, noarchive, nofollow
x-served-by
Substack
bootstrap.css
subscription.packtpub.com/css/
143 KB
24 KB
Stylesheet
General
Full URL
https://subscription.packtpub.com/css/bootstrap.css?id=70e7116f1caef46a1351d003fe2688c2
Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6816:af , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
612479b0f530a77f40ac4df6073ac70cb4e6e14595eb311afea502a246a33f3b

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
Mon, 28 Aug 2023 05:06:21 GMT
content-encoding
br
cf-cache-status
HIT
cf-bgj
minify
last-modified
Tue, 25 Jul 2023 12:48:42 GMT
server
cloudflare
age
2909377
etag
W/"64bfc4aa-23b2d"
vary
Accept-Encoding
content-type
text/css
cache-control
max-age=2592000, public
cf-ray
7fda0643d8e618f3-FRA
expires
Thu, 24 Aug 2023 12:56:44 GMT
app.css
subscription.packtpub.com/css/
326 KB
46 KB
Stylesheet
General
Full URL
https://subscription.packtpub.com/css/app.css?id=21b275fb7f562cb541c80efd5a6e673c
Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6816:af , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
4eae5c8d5fc839de8c6161d92c8a2be14d20a0e6a5aa8eca8645158e17ffbb40

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
Mon, 28 Aug 2023 05:06:21 GMT
content-encoding
br
cf-cache-status
HIT
cf-bgj
minify
last-modified
Thu, 10 Aug 2023 14:28:56 GMT
server
cloudflare
age
1520959
cf-polished
origSize=333964
etag
W/"64d4f428-5188c"
vary
Accept-Encoding
content-type
text/css
cache-control
max-age=2592000, public
cf-ray
7fda0643d8e918f3-FRA
expires
Sat, 09 Sep 2023 14:37:02 GMT
react.js
subscription.packtpub.com/js/
6 MB
2 MB
Script
General
Full URL
https://subscription.packtpub.com/js/react.js?id=d0f5b84c1c0b82b4acf6fda2d83f18f3
Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6816:af , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ea9991ee8d242168dd9b7dfb6334d6f46c1256ee57ed7635f53629a5a3d9e12a

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
Mon, 28 Aug 2023 05:06:21 GMT
content-encoding
br
cf-cache-status
HIT
cf-bgj
minify
last-modified
Thu, 24 Aug 2023 14:07:51 GMT
server
cloudflare
age
312864
cf-polished
origSize=6636486
etag
W/"64e76437-6543c6"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
cache-control
max-age=2592000, public
cf-ray
7fda0643d8eb18f3-FRA
expires
Sat, 23 Sep 2023 14:11:57 GMT
v8b253dfea2ab4077af8c6f58422dfbfd1689876627854
static.cloudflareinsights.com/beacon.min.js/
20 KB
7 KB
Script
General
Full URL
https://static.cloudflareinsights.com/beacon.min.js/v8b253dfea2ab4077af8c6f58422dfbfd1689876627854
Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:3965 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c235f21017bcc11fcaa31d7dfd9855aaebcbf5f6d7ee9bf9f2e98a910907c391

Request headers

Referer
https://subscription.packtpub.com/
Origin
https://subscription.packtpub.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/116.0.5845.110 Safari/537.36

Response headers

date
Mon, 28 Aug 2023 05:06:21 GMT
content-encoding
gzip
last-modified
Thu, 20 Jul 2023 18:10:27 GMT
server
cloudflare
etag
W/"2023.7.1"
vary
Accept-Encoding
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=86400
cross-origin-resource-policy
cross-origin
cf-ray
7fda064419b99bbf-FRA
gtm.js
www.googletagmanager.com/
327 KB
98 KB
Script
General
Full URL
https://www.googletagmanager.com/gtm.js?id=GTM-WJMM825
Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81c::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
007ce13f0179026c667b4203144f92f233a8e3b946826756415c6a3e6c2723e2
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://subscription.packtpub.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
Mon, 28 Aug 2023 05:06:21 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
100093
x-xss-protection
0
last-modified
Mon, 28 Aug 2023 03:00:00 GMT
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
access-control-allow-headers
Cache-Control
expires
Mon, 28 Aug 2023 05:06:21 GMT
css2
fonts.googleapis.com/
7 KB
907 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css2?family=Outfit:wght@100;200;300;400;500;600;700;800;900&display=swap
Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/css/app.css?id=21b275fb7f562cb541c80efd5a6e673c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:831::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
16097ef0de527f35bf313d9b25a063b0c8e13cfeb1df830eb4736e2fecefcd62
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://subscription.packtpub.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Mon, 28 Aug 2023 05:06:21 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Mon, 28 Aug 2023 04:24:57 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
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timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Mon, 28 Aug 2023 05:06:21 GMT
css
fonts.googleapis.com/
809 B
477 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Outfit&display=swap
Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/css/app.css?id=21b275fb7f562cb541c80efd5a6e673c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:831::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000
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www.gstatic.com/recaptcha/releases/0hCdE87LyjzAkFO5Ff-v7Hj1/ Frame 7492
454 KB
182 KB
Script
General
Full URL
https://www.gstatic.com/recaptcha/releases/0hCdE87LyjzAkFO5Ff-v7Hj1/recaptcha__de.js
Requested by
Host: www.google.com
URL: https://www.google.com/recaptcha/api2/anchor?ar=1&k=6LeAHSgUAAAAAKsn5jo6RUSTLVxGNYyuvUcLMe0_&co=aHR0cHM6Ly9zdWJzY3JpcHRpb24ucGFja3RwdWIuY29tOjQ0Mw..&hl=de&v=0hCdE87LyjzAkFO5Ff-v7Hj1&size=invisible&cb=ae2d2ivoszsd
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.google.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
Mon, 28 Aug 2023 04:27:51 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
2311
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
186637
x-xss-protection
0
last-modified
Mon, 21 Aug 2023 02:02:34 GMT
server
sffe
cross-origin-opener-policy
same-origin-allow-popups; report-to="recaptcha"
vary
Accept-Encoding
report-to
{"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
content-type
text/javascript
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
expires
Tue, 27 Aug 2024 04:27:51 GMT
logo_48.png
www.gstatic.com/recaptcha/api2/ Frame 7492
2 KB
2 KB
Image
General
Full URL
https://www.gstatic.com/recaptcha/api2/logo_48.png
Requested by
Host: www.gstatic.com
URL: https://www.gstatic.com/recaptcha/releases/0hCdE87LyjzAkFO5Ff-v7Hj1/styles__ltr.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
1b9efb22c938500971aac2b2130a475fa23684dd69e43103894968df83145b8a
Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

accept-language
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Referer
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User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
Sat, 26 Aug 2023 06:02:48 GMT
x-content-type-options
nosniff
age
169414
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
2228
x-xss-protection
0
last-modified
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server
sffe
cross-origin-opener-policy
same-origin-allow-popups; report-to="recaptcha"
report-to
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content-type
image/png
cache-control
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accept-ranges
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expires
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KFOmCnqEu92Fr1Mu4mxK.woff2
fonts.gstatic.com/s/roboto/v18/ Frame 7492
15 KB
16 KB
Font
General
Full URL
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Requested by
Host: www.google.com
URL: https://www.google.com/recaptcha/api2/anchor?ar=1&k=6LeAHSgUAAAAAKsn5jo6RUSTLVxGNYyuvUcLMe0_&co=aHR0cHM6Ly9zdWJzY3JpcHRpb24ucGFja3RwdWIuY29tOjQ0Mw..&hl=de&v=0hCdE87LyjzAkFO5Ff-v7Hj1&size=invisible&cb=ae2d2ivoszsd
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:803::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
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Origin
https://www.google.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/116.0.5845.110 Safari/537.36

Response headers

date
Sat, 26 Aug 2023 02:58:03 GMT
x-content-type-options
nosniff
age
180499
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
15344
x-xss-protection
0
last-modified
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server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
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content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Sun, 25 Aug 2024 02:58:03 GMT
KFOlCnqEu92Fr1MmEU9fBBc4.woff2
fonts.gstatic.com/s/roboto/v18/ Frame 7492
15 KB
15 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmEU9fBBc4.woff2
Requested by
Host: www.google.com
URL: https://www.google.com/recaptcha/api2/anchor?ar=1&k=6LeAHSgUAAAAAKsn5jo6RUSTLVxGNYyuvUcLMe0_&co=aHR0cHM6Ly9zdWJzY3JpcHRpb24ucGFja3RwdWIuY29tOjQ0Mw..&hl=de&v=0hCdE87LyjzAkFO5Ff-v7Hj1&size=invisible&cb=ae2d2ivoszsd
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:803::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

Referer
https://www.google.com/
Origin
https://www.google.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/116.0.5845.110 Safari/537.36

Response headers

date
Sat, 26 Aug 2023 05:51:22 GMT
x-content-type-options
nosniff
age
170100
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
15552
x-xss-protection
0
last-modified
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server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Sun, 25 Aug 2024 05:51:22 GMT
webworker.js
www.google.com/recaptcha/api2/ Frame 7492
102 B
134 B
Other
General
Full URL
https://www.google.com/recaptcha/api2/webworker.js?hl=de&v=0hCdE87LyjzAkFO5Ff-v7Hj1
Requested by
Host: www.google.com
URL: https://www.google.com/recaptcha/api2/anchor?ar=1&k=6LeAHSgUAAAAAKsn5jo6RUSTLVxGNYyuvUcLMe0_&co=aHR0cHM6Ly9zdWJzY3JpcHRpb24ucGFja3RwdWIuY29tOjQ0Mw..&hl=de&v=0hCdE87LyjzAkFO5Ff-v7Hj1&size=invisible&cb=ae2d2ivoszsd
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
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Reverse DNS
Software
GSE /
Resource Hash
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Security Headers
Name Value
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X-Content-Type-Options nosniff
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X-Xss-Protection 1; mode=block

Request headers

accept-language
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Referer
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User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
Mon, 28 Aug 2023 05:06:22 GMT
content-encoding
gzip
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
server
GSE
cross-origin-embedder-policy
require-corp
x-frame-options
SAMEORIGIN
report-to
{"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
content-type
text/javascript; charset=UTF-8
cache-control
private, max-age=300
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
112
x-xss-protection
1; mode=block
expires
Mon, 28 Aug 2023 05:06:22 GMT
e8mdsr07
widget.intercom.io/widget/
7 KB
3 KB
Script
General
Full URL
https://widget.intercom.io/widget/e8mdsr07
Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/js/react.js?id=d0f5b84c1c0b82b4acf6fda2d83f18f3
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.224.189.49 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-224-189-49.fra2.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
c8af6b70207e0903d4a9d2c0111cd5bc85a7899f95e264867c6cf5ce21e1955b

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://subscription.packtpub.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

x-amz-version-id
Ax4UI0.v2V7jFR9wwvmDW4aCjs8aQViA
content-encoding
gzip
via
1.1 1d67a4c00b06651cb6daa95ec3f21f9a.cloudfront.net (CloudFront)
date
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x-amz-cf-pop
FRA2-C1
age
1088
x-amz-server-side-encryption
AES256
x-cache
Error from cloudfront
alt-svc
h3=":443"; ma=86400
content-length
2678
last-modified
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server
AmazonS3
etag
"89f8880cbdd9163a1e92d3e693f16206"
vary
Accept-Encoding, Origin
content-type
application/javascript; charset=UTF-8
cache-control
max-age=900, s-maxage=900, public
accept-ranges
bytes
x-amz-cf-id
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cdn.heapanalytics.com/js/
127 KB
40 KB
Script
General
Full URL
https://cdn.heapanalytics.com/js/heap-34805961.js
Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/js/react.js?id=d0f5b84c1c0b82b4acf6fda2d83f18f3
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.27.116 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
nginx / Express
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://subscription.packtpub.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
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content-encoding
br
via
1.1 1ee1abe42f3acbda66e5d1252319566a.cloudfront.net (CloudFront)
strict-transport-security
max-age=31536000; includeSubDomains
server
nginx
x-amz-cf-pop
FRA56-C2
age
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x-powered-by
Express
etag
W/"1fb3e-pH5+uMGuQly9y93qtnguHv1h5XY"
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
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cache-control
public, max-age=120
alt-svc
h3=":443"; ma=86400
x-amz-cf-id
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3 KB
2 KB
Script
General
Full URL
https://googleads.g.doubleclick.net/pagead/viewthroughconversion/945348752/?random=1693199182890&cv=11&fst=1693199182890&bg=ffffff&guid=ON&async=1&gtm=45He38n0&u_w=1600&u_h=1200&url=https%3A%2F%2Fsubscription.packtpub.com%2Fbook%2Fdata%2F9781805123330%2F3%2Fch03lvl1sec11%2Froad-to-chatgpt-the-math-of-the-model-behind-it%3Futm_source%3Dsubstack%26utm_medium%3Demail&hn=www.googleadservices.com&frm=0&auid=1042321782.1693199183&uamb=0&uaw=0&rfmt=3&fmt=4
Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/js/react.js?id=d0f5b84c1c0b82b4acf6fda2d83f18f3
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:801::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
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Referer
https://subscription.packtpub.com/
User-Agent
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Response headers

pragma
no-cache
date
Mon, 28 Aug 2023 05:06:22 GMT
content-encoding
br
x-content-type-options
nosniff
server
cafe
content-type
text/javascript; charset=UTF-8
p3p
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cache-control
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cross-origin-resource-policy
cross-origin
content-disposition
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timing-allow-origin
*
alt-svc
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content-length
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x-xss-protection
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expires
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profitwell.js
dna8twue3dlxq.cloudfront.net/js/
35 KB
9 KB
Script
General
Full URL
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Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/js/react.js?id=d0f5b84c1c0b82b4acf6fda2d83f18f3
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.50 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
AmazonS3 /
Resource Hash
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Request headers

accept-language
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Referer
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User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

x-amz-version-id
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content-encoding
gzip
via
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date
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last-modified
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server
AmazonS3
x-amz-cf-pop
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age
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vary
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Hit from cloudfront
content-type
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cache-control
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x-amz-cf-id
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General
Full URL
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Requested by
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
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content-type
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Response headers

date
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x-content-type-options
nosniff
server
cloudflare
vary
Origin
access-control-max-age
86400
access-control-allow-methods
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access-control-allow-origin
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x-frame-options
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cf-ray
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
Software
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Resource Hash
Security Headers
Name Value
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Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
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Sec-Fetch-Mode
cors
User-Agent
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Response headers

accept-ch
sec-ch-ua-full, sec-ch-ua-arch, sec-ch-ua-model, sec-ch-ua-platform-version, sec-ch-ua-full-version, sec-ch-ua-full-version-list, sec-ch-ua-bitness, sec-ch-ua-wow64
accept-ranges
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access-control-allow-headers
content-type
access-control-allow-methods
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access-control-allow-origin
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cache-control
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content-encoding
br
date
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https://www.google.com/recaptcha/api2/bframe?hl=de&v=0hCdE87LyjzAkFO5Ff-v7Hj1&k=6LeAHSgUAAAAAKsn5jo6RUSTLVxGNYyuvUcLMe0_
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/116.0.5845.110 Safari/537.36
Content-Type
application/x-protobuffer

Response headers

date
Mon, 28 Aug 2023 05:06:23 GMT
content-encoding
gzip
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
server
GSE
x-frame-options
SAMEORIGIN
content-type
application/json; charset=utf-8
cache-control
private, max-age=0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
25239
x-xss-protection
1; mode=block
expires
Mon, 28 Aug 2023 05:06:23 GMT
refresh_2x.png
www.gstatic.com/recaptcha/api2/ Frame F7E4
600 B
624 B
Image
General
Full URL
https://www.gstatic.com/recaptcha/api2/refresh_2x.png
Requested by
Host: www.gstatic.com
URL: https://www.gstatic.com/recaptcha/releases/0hCdE87LyjzAkFO5Ff-v7Hj1/styles__ltr.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
44b988703019cd6bfa86c91840fecf2a42b611b364e3eea2f4eb63bf62714e98
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.gstatic.com/recaptcha/releases/0hCdE87LyjzAkFO5Ff-v7Hj1/styles__ltr.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
Sat, 26 Aug 2023 21:31:20 GMT
x-content-type-options
nosniff
age
113703
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
600
x-xss-protection
0
last-modified
Tue, 03 Mar 2020 20:15:00 GMT
server
sffe
cross-origin-opener-policy
same-origin-allow-popups; report-to="recaptcha"
report-to
{"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
content-type
image/png
cache-control
public, max-age=604800
accept-ranges
bytes
expires
Sat, 02 Sep 2023 21:31:20 GMT
audio_2x.png
www.gstatic.com/recaptcha/api2/ Frame F7E4
530 B
554 B
Image
General
Full URL
https://www.gstatic.com/recaptcha/api2/audio_2x.png
Requested by
Host: www.gstatic.com
URL: https://www.gstatic.com/recaptcha/releases/0hCdE87LyjzAkFO5Ff-v7Hj1/styles__ltr.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
89c62095126fca89ea1511cf35b49b8306162946b0c26d6f60c5506c51d85992
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.gstatic.com/recaptcha/releases/0hCdE87LyjzAkFO5Ff-v7Hj1/styles__ltr.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
Sat, 26 Aug 2023 06:58:17 GMT
x-content-type-options
nosniff
age
166086
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
530
x-xss-protection
0
last-modified
Tue, 03 Mar 2020 20:15:00 GMT
server
sffe
cross-origin-opener-policy
same-origin-allow-popups; report-to="recaptcha"
report-to
{"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
content-type
image/png
cache-control
public, max-age=604800
accept-ranges
bytes
expires
Sat, 02 Sep 2023 06:58:17 GMT
info_2x.png
www.gstatic.com/recaptcha/api2/ Frame F7E4
665 B
689 B
Image
General
Full URL
https://www.gstatic.com/recaptcha/api2/info_2x.png
Requested by
Host: www.gstatic.com
URL: https://www.gstatic.com/recaptcha/releases/0hCdE87LyjzAkFO5Ff-v7Hj1/styles__ltr.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
55eaf62cb05da20088dc12b39d7d254d046cb1fd61ddf3ae641f1439efd0a5ee
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.gstatic.com/recaptcha/releases/0hCdE87LyjzAkFO5Ff-v7Hj1/styles__ltr.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
Fri, 25 Aug 2023 07:38:49 GMT
x-content-type-options
nosniff
age
250054
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/recaptcha
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
665
x-xss-protection
0
last-modified
Tue, 03 Mar 2020 20:15:00 GMT
server
sffe
cross-origin-opener-policy
same-origin-allow-popups; report-to="recaptcha"
report-to
{"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
content-type
image/png
cache-control
public, max-age=604800
accept-ranges
bytes
expires
Fri, 01 Sep 2023 07:38:49 GMT
KFOmCnqEu92Fr1Mu4mxK.woff2
fonts.gstatic.com/s/roboto/v18/ Frame F7E4
15 KB
15 KB
Font
General
Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:803::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
3e253b66056519aa065b00a453bac37ac5ed8f3e6fe7b542e93a9dcdcc11d0bc
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.google.com/
Origin
https://www.google.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/116.0.5845.110 Safari/537.36

Response headers

date
Sat, 26 Aug 2023 02:58:03 GMT
x-content-type-options
nosniff
age
180500
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
15344
x-xss-protection
0
last-modified
Mon, 16 Oct 2017 17:32:55 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
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timing-allow-origin
*
expires
Sun, 25 Aug 2024 02:58:03 GMT
KFOlCnqEu92Fr1MmYUtfBBc4.woff2
fonts.gstatic.com/s/roboto/v18/ Frame F7E4
15 KB
15 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmYUtfBBc4.woff2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:803::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
c912a9ce0c3122d4b2b29ad26bfe06b0390d1a5bdaa5d6128692c0befd1dfbbd
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.google.com/
Origin
https://www.google.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/116.0.5845.110 Safari/537.36

Response headers

date
Sat, 26 Aug 2023 07:41:07 GMT
x-content-type-options
nosniff
age
163516
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
15340
x-xss-protection
0
last-modified
Mon, 16 Oct 2017 17:33:16 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Sun, 25 Aug 2024 07:41:07 GMT
KFOlCnqEu92Fr1MmEU9fBBc4.woff2
fonts.gstatic.com/s/roboto/v18/ Frame F7E4
15 KB
15 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmEU9fBBc4.woff2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:803::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
5a8c1e7681318caa29e9f44e8a6e271f6a4067a2703e9916dfd4fe9099241db7
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.google.com/
Origin
https://www.google.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/116.0.5845.110 Safari/537.36

Response headers

date
Sat, 26 Aug 2023 05:51:22 GMT
x-content-type-options
nosniff
age
170101
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
15552
x-xss-protection
0
last-modified
Mon, 16 Oct 2017 17:33:02 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Sun, 25 Aug 2024 05:51:22 GMT
payload
www.google.com/recaptcha/api2/ Frame F7E4
36 KB
36 KB
Image
General
Full URL
https://www.google.com/recaptcha/api2/payload?p=06ADUVZwCxR7Y6shPrO21kmUGYIMtFzafFg7f9A981vG40ht_5nLFw9Yiuo032_iqRhqiAZG3U4G8CFXq1wkUA-UDm_I_zYVc1OaCVj5zKSvMZXU2kc0wYe7QzGs2_QKDPp6ZDxI9flCv_2weokLhjHAMvlO3AQws1dSrJq7XN22-yJmiWodG8jRgLlus-Oxgn8VCrlTZwPkrMmg_2eZJKZMH6KAFg9V39aU6DUhB3LensClMFftKR8GU&k=6LeAHSgUAAAAAKsn5jo6RUSTLVxGNYyuvUcLMe0_
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:806::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
GSE /
Resource Hash
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Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self'
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.google.com/recaptcha/api2/bframe?hl=de&v=0hCdE87LyjzAkFO5Ff-v7Hj1&k=6LeAHSgUAAAAAKsn5jo6RUSTLVxGNYyuvUcLMe0_
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
Mon, 28 Aug 2023 05:06:23 GMT
content-security-policy
frame-ancestors 'self'
x-content-type-options
nosniff
server
GSE
x-frame-options
SAMEORIGIN
content-type
image/jpeg
cache-control
private, max-age=30
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
36375
x-xss-protection
1; mode=block
expires
Mon, 28 Aug 2023 05:06:23 GMT
bar-icon.svg
subscription.packtpub.com/images/
416 B
425 B
XHR
General
Full URL
https://subscription.packtpub.com/images/bar-icon.svg
Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/js/react.js?id=d0f5b84c1c0b82b4acf6fda2d83f18f3
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6816:af , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c78e42cc4ee3deb6165255ca489c7335cf16dc84734588a1e5a74347c9adb409

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
Mon, 28 Aug 2023 05:06:23 GMT
content-encoding
br
cf-cache-status
DYNAMIC
last-modified
Thu, 24 Aug 2023 14:07:52 GMT
server
cloudflare
etag
W/"64e76438-1a0"
content-type
image/svg+xml
cache-control
max-age=2592000, public
cf-ray
7fda0651d88a18f3-FRA
expires
Wed, 27 Sep 2023 05:06:23 GMT
fontawesome-webfont.woff2
subscription.packtpub.com/fonts/vendor/font-awesome/
75 KB
76 KB
Font
General
Full URL
https://subscription.packtpub.com/fonts/vendor/font-awesome/fontawesome-webfont.woff2?20fd1704ea223900efa9fd4e869efb08
Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/css/app.css?id=21b275fb7f562cb541c80efd5a6e673c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6816:af , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2adefcbc041e7d18fcf2d417879dc5a09997aa64d675b7a3c4b6ce33da13f3fe

Request headers

Referer
https://subscription.packtpub.com/css/app.css?id=21b275fb7f562cb541c80efd5a6e673c
Origin
https://subscription.packtpub.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/116.0.5845.110 Safari/537.36

Response headers

date
Mon, 28 Aug 2023 05:06:23 GMT
cf-cache-status
DYNAMIC
last-modified
Thu, 24 Aug 2023 14:02:50 GMT
server
cloudflare
etag
"64e7630a-12d68"
content-type
font/woff2
cache-control
max-age=2592000, public
accept-ranges
bytes
cf-ray
7fda065228ea18f3-FRA
content-length
77160
expires
Wed, 27 Sep 2023 05:06:23 GMT
toc.svg
subscription.packtpub.com/images/reader/lhs/
1 KB
596 B
XHR
General
Full URL
https://subscription.packtpub.com/images/reader/lhs/toc.svg
Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/js/react.js?id=d0f5b84c1c0b82b4acf6fda2d83f18f3
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6816:af , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ca43801152e3a3baf08ae0113d7b830da6f6238b07dffbb5be6105ffe4eb3ac2

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
Mon, 28 Aug 2023 05:06:23 GMT
content-encoding
br
cf-cache-status
DYNAMIC
last-modified
Thu, 24 Aug 2023 14:07:49 GMT
server
cloudflare
etag
W/"64e76435-559"
content-type
image/svg+xml
cache-control
max-age=2592000, public
cf-ray
7fda0652692218f3-FRA
expires
Wed, 27 Sep 2023 05:06:23 GMT
related-title.svg
subscription.packtpub.com/images/reader/lhs/
547 B
371 B
XHR
General
Full URL
https://subscription.packtpub.com/images/reader/lhs/related-title.svg
Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/js/react.js?id=d0f5b84c1c0b82b4acf6fda2d83f18f3
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6816:af , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
07208dddd1689114799adb6cef8c39d474a11bcbb5a59aafec5a13cafed9f4ff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
Mon, 28 Aug 2023 05:06:23 GMT
content-encoding
br
cf-cache-status
DYNAMIC
last-modified
Thu, 24 Aug 2023 14:07:51 GMT
server
cloudflare
etag
W/"64e76437-223"
content-type
image/svg+xml
cache-control
max-age=2592000, public
cf-ray
7fda0652692518f3-FRA
expires
Wed, 27 Sep 2023 05:06:23 GMT
close-small.svg
subscription.packtpub.com/images/
640 B
362 B
XHR
General
Full URL
https://subscription.packtpub.com/images/close-small.svg
Requested by
Host: subscription.packtpub.com
URL: https://subscription.packtpub.com/js/react.js?id=d0f5b84c1c0b82b4acf6fda2d83f18f3
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:10::6816:af , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b3f75945fcfae71e885f583dc727c279fac7c5c5ac485978397a8f84854a131c

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://subscription.packtpub.com/book/data/9781805123330/3/ch03lvl1sec11/road-to-chatgpt-the-math-of-the-model-behind-it?utm_source=substack&utm_medium=email
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.110 Safari/537.36

Response headers

date
Mon, 28 Aug 2023 05:06:23 GMT
content-encoding
br
cf-cache-status
DYNAMIC
last-modified
Thu, 24 Aug 2023 14:07:48 GMT
server
cloudflare
etag
W/"64e76434-280"
content-type
image/svg+xml
cache-control
max-age=2592000, public
cf-ray
7fda0652692618f3-FRA
expires
Wed, 27 Sep 2023 05:06:23 GMT
content-focus-view-new.svg
subscription.packtpub.com/images/reader/
2 KB
966 B
XHR
General
Full URL
https://subscription.packtpub.com/images/reader/content-focus-view-new.svg
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Response headers

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Response headers

pragma
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strict-transport-security
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Verdicts & Comments Add Verdict or Comment

44 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.

object| 0 object| 1 object| 2 object| 3 object| documentPictureInPicture object| dataLayer function| getJavascriptEnv object| google_tag_manager object| google_tag_data function| _ object| $cookies function| vueRecaptchaApiLoaded function| StickySidebar function| initCookieConsent function| jQuery function| $ function| ResizeSensor function| axios number| 2f1acc6c3a606b082e5eef5e54414ffb object| vttjs function| WebVTT function| Intercom object| __cfBeacon object| ___grecaptcha_cfg object| grecaptcha string| __recaptcha_api boolean| __google_recaptcha_client undefined| newurl function| getCookie string| url undefined| urlString undefined| utm object| __post_robot_11_0_0___uid_fhbvtdxnuykunfbtxrhtqkksucogjx object| paypal object| __zoid_10_3_1___uid_fhbvtdxnuykunfbtxrhtqkksucogjx object| recaptcha object| closure_lm_173344 object| heap string| HeapUserId object| GooglebQhCsO string| ProfitWellObject function| profitwell function| __intercomAssignLocation function| __intercomReloadLocation

12 Cookies

Domain/Path Name / Value
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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
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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.

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widget.intercom.io
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www.gstatic.com
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