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practical.engineering Open in urlscan Pro
198.49.23.145  Public Scan

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Submitted URL: http://www.practical.engineering/
Effective URL: https://practical.engineering/
Submission: On October 17 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 6 IPs in 3 countries across 5 domains to perform 52 HTTP transactions. The main IP is 198.49.23.145, located in United States and belongs to SQUARESPACE, US. The main domain is practical.engineering. The Cisco Umbrella rank of the primary domain is 671710.
TLS certificate: Issued by R10 on September 19th 2024. Valid for: 3 months.
This is the only time practical.engineering was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 5 198.49.23.145 53831 (SQUARESPACE)
7 2a02:26f0:350... 20940 (AKAMAI-ASN1)
19 151.101.0.237 54113 (FASTLY)
1 3 151.101.192.238 54113 (FASTLY)
18 151.101.64.238 54113 (FASTLY)
2 104.22.74.115 13335 (CLOUDFLAR...)
52 6
5    198.49.23.145 (United States)

ASN53831 (SQUARESPACE, US)
www.practical.engineering
practical.engineering
7    2a02:26f0:3500:16::215:1495 (Frankfurt am Main, Germany)

ASN20940 (AKAMAI-ASN1, NL)
use.typekit.net
p.typekit.net
19    151.101.0.237 (San Francisco, United States)

ASN54113 (FASTLY, US)
assets.squarespace.com
3    151.101.192.238 (San Francisco, United States)

ASN54113 (FASTLY, US)
static1.squarespace.com
18    151.101.64.238 (San Francisco, United States)

ASN54113 (FASTLY, US)
images.squarespace-cdn.com
2    104.22.74.115 (None, )

ASN13335 (CLOUDFLARENET, US)
cdn.sender.net
Apex Domain
Subdomains		 Transfer
22 squarespace.com
assets.squarespace.com — Cisco Umbrella Rank: 6776
static1.squarespace.com — Cisco Umbrella Rank: 6633
1 MB
18 squarespace-cdn.com
images.squarespace-cdn.com — Cisco Umbrella Rank: 5555
370 KB
7 typekit.net
use.typekit.net — Cisco Umbrella Rank: 455
p.typekit.net — Cisco Umbrella Rank: 561
114 KB
5 practical.engineering
www.practical.engineering
practical.engineering — Cisco Umbrella Rank: 671710
25 KB
2 sender.net
cdn.sender.net — Cisco Umbrella Rank: 141513
49 KB
52 5
Domain Requested by
19 assets.squarespace.com practical.engineering
static1.squarespace.com
assets.squarespace.com
18 images.squarespace-cdn.com practical.engineering
6 use.typekit.net practical.engineering
4 practical.engineering assets.squarespace.com
3 static1.squarespace.com 1 redirects practical.engineering
2 cdn.sender.net practical.engineering
cdn.sender.net
1 p.typekit.net practical.engineering
1 www.practical.engineering 1 redirects
52 8

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

Domain
store.practical.engineering
www.youtube.com
twitter.com
instagram.com
Subject Issuer Validity Valid
practical.engineering
R10		 2024-09-19 -
2024-12-18		 3 months crt.sh
use.typekit.net
DigiCert Global G2 TLS RSA SHA256 2020 CA1		 2024-08-27 -
2025-09-27		 a year crt.sh
*.squarespace.com
DigiCert Global G2 TLS RSA SHA256 2020 CA1		 2024-02-09 -
2025-02-28		 a year crt.sh
*.squarespace-cdn.com
R10		 2024-09-27 -
2024-12-26		 3 months crt.sh
cdn.sender.net
Cloudflare Inc ECC CA-3		 2023-12-19 -
2024-12-18		 a year crt.sh

This page contains 1 frames:

Primary Page: https://practical.engineering/
Frame ID: 24A20AC25633307AD7BC23918BD60700
Requests: 52 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Practical Engineering

Page URL History Show full URLs

  1. http://www.practical.engineering/ HTTP 307
    https://www.practical.engineering/ HTTP 301
    https://practical.engineering/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <!-- This is Squarespace\. -->
Overall confidence: 100%
Detected patterns
  • assets\.squarespace\.\w+/universal/scripts-compressed/commerce-\w+-min\.[\w+\-]+\.js

Page Statistics

52
Requests

98 %
HTTPS

17 %
IPv6

5
Domains

8
Subdomains

6
IPs

3
Countries

1706 kB
Transfer

6229 kB
Size

4
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. http://www.practical.engineering/ HTTP 307
    https://www.practical.engineering/ HTTP 301
    https://practical.engineering/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 15
  • https://static1.squarespace.com/universal/images-v6/icons/icon-searchqueries-20-dark.png HTTP 302
  • https://assets.squarespace.com/universal/images-v6/icons/icon-searchqueries-20-dark.png

52 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
practical.engineering/
Redirect Chain
  • http://www.practical.engineering/
  • https://www.practical.engineering/
  • https://practical.engineering/
87 KB
16 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://practical.engineering/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
198.49.23.145 , United States, ASN53831 (SQUARESPACE, US),
Reverse DNS
Software
Squarespace /
Resource Hash
bc9c99d71ca46b5e4fa974d3867bf9a68f7a06dfe4dcc663a59b8e95f5f6e272
Security Headers
Name Value
Strict-Transport-Security max-age=15552000
X-Content-Type-Options nosniff

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Response headers

accept-ranges
bytes
age
193512
content-encoding
gzip
content-length
16217
content-type
text/html;charset=utf-8
date
Tue, 15 Oct 2024 15:32:52 GMT
etag
W/"984ecf092b47d5166fc56434ef8ad0a7"
expires
Thu, 01 Jan 1970 00:00:00 GMT
server
Squarespace
strict-transport-security
max-age=15552000
vary
Accept-Encoding
x-content-type-options
nosniff
x-contextid
zWd2N5Hu/IZNkNV5H

Redirect headers

age
0
content-length
0
date
Thu, 17 Oct 2024 21:23:37 GMT
location
https://practical.engineering/
server
Squarespace
strict-transport-security
max-age=15552000
x-contextid
I3qbxPF0/S6RH2UYK
SdDfxJ4Sm7R3w6atwJ6STARi0o-LyUm6_vQT4LlD67qfeTbIfFHN4UJLFRbh52jhWD9ujAwDFe9XZQsKw2IawemcFQsKZQjDwy7mMkG0jAFu-WsoShFGZAsude80ZkoRdhXCHKoyjamTiY8Djhy8ZYmC-Ao1Oco8if37OcBDOcu8OfG0Za4yZYql-e8CdeyziWF8O...
use.typekit.net/ik/ 		17 KB
7 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://use.typekit.net/ik/SdDfxJ4Sm7R3w6atwJ6STARi0o-LyUm6_vQT4LlD67qfeTbIfFHN4UJLFRbh52jhWD9ujAwDFe9XZQsKw2IawemcFQsKZQjDwy7mMkG0jAFu-WsoShFGZAsude80ZkoRdhXCHKoyjamTiY8Djhy8ZYmC-Ao1Oco8if37OcBDOcu8OfG0Za4yZYql-e8CdeyziWF8O1FUiABkZWF3jAF8OcFzdP37O1FUiABkZWF3jAF8ShFGZAsude80ZkoRdhXCjAFu-WsoShFGZAsude80ZkoRdhXCjAFu-WsoShFGZAsude80Zko0ZWbCjWw0dA9CZa4yZYql-e8CdeyziWF8O1FUiABkZWF3jAF8OcFzdPUCdhFydeyzSabCSY4yjasTjhBCOcm0Zh80ZAmk-Ao1OYFUiABkZWF3jAF8ShFGZAsude80ZkoRdhXCiaiaOcBRiA8XpWFR-emqiAUTdcS0jhNlOYiaikoyjamTiY8Djhy8ZYmC-Ao1Oco8ifUaiaS0jWw0dA9CiaiaOcikjAsoOAyTdeUGdamDZPoDSWmyScmDSeBRZPoRdhXCiaiaO1gkjAFX-AFydfo8dciTdcm8Sc80ZkUaiaS0SaBujW48SagyjhmDjhy8ZYmC-Ao1OcFzdPJwSY4zpe8ljPu0daZyJ68ciWsuScIlSYb7fbKzMsMMeMb6MKG4fJCgIMMjgkMfH6qJCMIbMg65JMJ7fbKwMsMMegI6MKG4fJBmIMIjgkMfqMYm_OKFg6.js
Requested by
Host: practical.engineering
URL: https://practical.engineering/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a02:26f0:3500:16::215:1495 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
nginx /
Resource Hash
48e2a04346cd74fe96d0e65fa7a27c7169d9fbcaa34a0578ac11acaf93b603bf
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains;

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://practical.engineering/

Response headers

strict-transport-security
max-age=31536000; includeSubDomains;
cache-control
public, max-age=604800
timing-allow-origin
*
content-encoding
gzip
cross-origin-resource-policy
cross-origin
access-control-allow-origin
*
content-length
6795
date
Thu, 17 Oct 2024 21:23:37 GMT
content-type
text/javascript;charset=utf-8
vary
Accept-Encoding
server
nginx
modern.js
assets.squarespace.com/@sqs/polyfiller/1.6/ 		115 KB
42 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://assets.squarespace.com/@sqs/polyfiller/1.6/modern.js
Requested by
Host: practical.engineering
URL: https://practical.engineering/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.0.237 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
UploadServer /
Resource Hash
54e832663426c696b1f603379026e5e15720e8c812bbbc60d63aa2ad8a479f75

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://practical.engineering
Referer
https://practical.engineering/

Response headers

content-encoding
gzip
etag
"fe0d53a94823df972dbf107bf190771a"
age
3846505
access-control-allow-methods
GET, OPTIONS
expires
Thu, 22 Aug 2024 15:49:35 GMT
x-cache
HIT, HIT
date
Thu, 17 Oct 2024 21:23:37 GMT
last-modified
Mon, 31 Oct 2022 21:19:57 GMT
vary
Accept-Encoding
x-cache-hits
78971, 146451
content-type
text/javascript
x-served-by
cache-iad-kcgs7200042-IAD, cache-fra-etou8220066-FRA
cache-control
public, max-age=31536000
x-timer
S1729200218.655216,VS0,VE0
via
1.1 varnish, 1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
42447
server
UploadServer
extract-css-runtime-fcf6f44471fd7341055c-min.en-US.js
assets.squarespace.com/universal/scripts-compressed/ 		45 KB
17 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://assets.squarespace.com/universal/scripts-compressed/extract-css-runtime-fcf6f44471fd7341055c-min.en-US.js
Requested by
Host: practical.engineering
URL: https://practical.engineering/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.0.237 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
UploadServer /
Resource Hash
20505153c2e5da03151c32e1fcf8364d139d4fd3c1fcde50fa06b818fb6ab640

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://practical.engineering
Referer
https://practical.engineering/

Response headers

content-encoding
br
etag
"9d8e41d989af84960f8aee66ecfedb6b"
age
195189
access-control-allow-methods
GET, OPTIONS
expires
Wed, 15 Oct 2025 15:10:27 GMT
x-cache
HIT, HIT
date
Thu, 17 Oct 2024 21:23:37 GMT
last-modified
Tue, 15 Oct 2024 15:04:32 GMT
vary
Accept-Encoding
x-cache-hits
10, 1
content-type
text/javascript
x-served-by
cache-iad-kiad7000117-IAD, cache-fra-etou8220066-FRA
cache-control
public, max-age=31536000
x-timer
S1729200218.655434,VS0,VE1
via
1.1 varnish, 1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
16716
server
UploadServer
extract-css-moment-js-vendor-6c569122bfa66a51a056-min.en-US.js
assets.squarespace.com/universal/scripts-compressed/ 		1 MB
126 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://assets.squarespace.com/universal/scripts-compressed/extract-css-moment-js-vendor-6c569122bfa66a51a056-min.en-US.js
Requested by
Host: practical.engineering
URL: https://practical.engineering/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.0.237 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
UploadServer /
Resource Hash
94749a9a2a419c6962ea8c3634aee02da5fc8fc73054dc956eeadf710ec90bd5

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://practical.engineering
Referer
https://practical.engineering/

Response headers

content-encoding
gzip
etag
"50d4789a0cb66d279781e1b02e14d541"
age
1355841
access-control-allow-methods
GET, OPTIONS
expires
Thu, 21 Aug 2025 11:25:49 GMT
x-cache
HIT
date
Thu, 17 Oct 2024 21:23:37 GMT
last-modified
Tue, 20 Aug 2024 12:56:42 GMT
x-served-by
cache-fra-etou8220066-FRA
x-cache-hits
139568
content-type
text/javascript
vary
Accept-Encoding
cache-control
public, max-age=31536000
x-timer
S1729200218.655163,VS0,VE0
via
1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
128756
fastly-restarts
1
server
UploadServer
cldr-resource-pack-e755ccfc180e7a2ab623-min.en-US.js
assets.squarespace.com/universal/scripts-compressed/ 		87 KB
15 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://assets.squarespace.com/universal/scripts-compressed/cldr-resource-pack-e755ccfc180e7a2ab623-min.en-US.js
Requested by
Host: practical.engineering
URL: https://practical.engineering/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.0.237 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
UploadServer /
Resource Hash
32e457f3bfc7f102740b82fb11395502cb2ab830960c969cb8e7f13118e12624

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://practical.engineering
Referer
https://practical.engineering/

Response headers

content-encoding
br
etag
"fc13d883073f8ed37d8a79abade80454"
age
1419591
access-control-allow-methods
GET, OPTIONS
expires
Wed, 01 Oct 2025 11:03:46 GMT
x-cache
HIT, HIT
date
Thu, 17 Oct 2024 21:23:37 GMT
last-modified
Fri, 27 Sep 2024 15:49:35 GMT
vary
Accept-Encoding
x-cache-hits
23, 96199
content-type
text/javascript
x-served-by
cache-iad-kcgs7200111-IAD, cache-fra-etou8220066-FRA
cache-control
public, max-age=31536000
x-timer
S1729200218.655206,VS0,VE0
via
1.1 varnish, 1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
15010
server
UploadServer
common-vendors-stable-61293f01d648eef165fc-min.en-US.js
assets.squarespace.com/universal/scripts-compressed/ 		240 KB
69 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-61293f01d648eef165fc-min.en-US.js
Requested by
Host: practical.engineering
URL: https://practical.engineering/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.0.237 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
UploadServer /
Resource Hash
6f8ec5cd511fb4b96c8b573f86b1a62d8322c0286268eecc224c0aa2f30be18e

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://practical.engineering
Referer
https://practical.engineering/

Response headers

content-encoding
br
etag
"d561ecc35baa5338930d0b97077b3d76"
age
1909223
access-control-allow-methods
GET, OPTIONS
expires
Thu, 25 Sep 2025 19:03:14 GMT
x-cache
HIT, HIT
date
Thu, 17 Oct 2024 21:23:37 GMT
last-modified
Wed, 25 Sep 2024 18:00:54 GMT
vary
Accept-Encoding
x-cache-hits
26, 113522
content-type
text/javascript
x-served-by
cache-iad-kiad7000162-IAD, cache-fra-etou8220066-FRA
cache-control
public, max-age=31536000
x-timer
S1729200218.654770,VS0,VE0
via
1.1 varnish, 1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
70728
server
UploadServer
common-vendors-3b44f1ecd13543b5db67-min.en-US.js
assets.squarespace.com/universal/scripts-compressed/ 		636 KB
157 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-3b44f1ecd13543b5db67-min.en-US.js
Requested by
Host: practical.engineering
URL: https://practical.engineering/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.0.237 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
UploadServer /
Resource Hash
457459d74c1a38c898fb208cd07dc8049809e3a9051bc39a897ea2f868eb635b

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://practical.engineering
Referer
https://practical.engineering/

Response headers

content-encoding
br
etag
"1be16d7e0a9cf89027e944dae24e68ac"
age
532095
access-control-allow-methods
GET, OPTIONS
expires
Sat, 11 Oct 2025 17:35:22 GMT
x-cache
HIT, HIT
date
Thu, 17 Oct 2024 21:23:37 GMT
last-modified
Fri, 11 Oct 2024 16:43:20 GMT
vary
Accept-Encoding
x-cache-hits
23, 34017
content-type
text/javascript
x-served-by
cache-iad-kcgs7200153-IAD, cache-fra-etou8220066-FRA
cache-control
public, max-age=31536000
x-timer
S1729200218.655516,VS0,VE0
via
1.1 varnish, 1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
160936
server
UploadServer
common-37569d3d9a440e90889e-min.en-US.js
assets.squarespace.com/universal/scripts-compressed/ 		1 MB
368 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://assets.squarespace.com/universal/scripts-compressed/common-37569d3d9a440e90889e-min.en-US.js
Requested by
Host: practical.engineering
URL: https://practical.engineering/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.0.237 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
UploadServer /
Resource Hash
9bbe921b9a3cf0f45b0fed10fb96f5c3b1ecb662d302072eee46fc16cc3cd833

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://practical.engineering
Referer
https://practical.engineering/

Response headers

content-encoding
br
etag
"762dc0c14de8875506715d7b570d1d5a"
age
262744
access-control-allow-methods
GET, OPTIONS
expires
Tue, 14 Oct 2025 20:24:34 GMT
x-cache
HIT, HIT
date
Thu, 17 Oct 2024 21:23:37 GMT
last-modified
Mon, 14 Oct 2024 20:17:14 GMT
vary
Accept-Encoding
x-cache-hits
8, 2281
content-type
text/javascript
x-served-by
cache-iad-kjyo7100077-IAD, cache-fra-etou8220066-FRA
cache-control
public, max-age=31536000
x-timer
S1729200218.654799,VS0,VE0
via
1.1 varnish, 1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
375825
server
UploadServer
commerce-d01154b9fa386b0962d4-min.en-US.js
assets.squarespace.com/universal/scripts-compressed/ 		948 KB
234 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://assets.squarespace.com/universal/scripts-compressed/commerce-d01154b9fa386b0962d4-min.en-US.js
Requested by
Host: practical.engineering
URL: https://practical.engineering/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.0.237 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
UploadServer /
Resource Hash
b929d743dd120c26365cb440eecfefccec4c4b0447495a42a029560afca0013e

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://practical.engineering
Referer
https://practical.engineering/

Response headers

content-encoding
br
etag
"4d1edc2e1b00e3f45cf065a607b5eef9"
age
271238
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tracepoint
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timing-allow-origin
*
x-timer
S1729200218.307501,VS0,VE1
via
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tracepoint
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timing-allow-origin
*
x-timer
S1729200218.317730,VS0,VE1
via
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accept-ranges
bytes
access-control-allow-origin
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Security
TLS 1.3, , AES_128_GCM
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timing-allow-origin
*
x-timer
S1729200218.328673,VS0,VE1
via
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access-control-allow-origin
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Request headers

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x-timer
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via
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URL: https://practical.engineering/
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TLS 1.3, , AES_128_GCM
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Request headers

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tracepoint
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timing-allow-origin
*
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URL: https://practical.engineering/
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TLS 1.3, , AES_128_GCM
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Request headers

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Referer
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tracepoint
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timing-allow-origin
*
x-timer
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via
1.1 google, 1.1 varnish, 1.1 varnish
accept-ranges
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URL: https://practical.engineering/
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TLS 1.3, , AES_128_GCM
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Request headers

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Referer
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tracepoint
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timing-allow-origin
*
x-timer
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https://cdn.sender.net/accounts_resources/base/2afaa495621177.json
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URL: https://practical.engineering/
Protocol
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TLS 1.3, , AES_128_GCM
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Request headers

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Referer
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Response headers

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access-control-expose-headers
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etag
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tracepoint
Fastly
cache-control
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timing-allow-origin
*
x-timer
S1729200218.458871,VS0,VE1
via
1.1 google, 1.1 varnish, 1.1 varnish
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bytes
access-control-allow-origin
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URL: https://practical.engineering/
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TLS 1.3, , AES_128_GCM
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Request headers

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Referer
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true
access-control-expose-headers
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tracepoint
Fastly
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timing-allow-origin
*
x-timer
S1729200218.458842,VS0,VE1
via
1.1 google, 1.1 varnish, 1.1 varnish
accept-ranges
bytes
access-control-allow-origin
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content-length
23173
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URL: https://practical.engineering/
Protocol
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TLS 1.3, , AES_128_GCM
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Request headers

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Referer
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Response headers

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access-control-expose-headers
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etag
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tracepoint
Fastly
cache-control
max-age=604800,s-maxage=31536000
timing-allow-origin
*
x-timer
S1729200218.459216,VS0,VE1
via
1.1 google, 1.1 varnish, 1.1 varnish
accept-ranges
bytes
access-control-allow-origin
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content-length
52835
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Host: practical.engineering
URL: https://practical.engineering/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.64.238 San Francisco, United States, ASN54113 (FASTLY, US),
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Request headers

User-Agent
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Referer
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Response headers

x-sqsp-is-public
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access-control-expose-headers
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etag
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tracepoint
Fastly
cache-control
max-age=31536000,s-maxage=31536000
timing-allow-origin
*
x-timer
S1729200218.459197,VS0,VE1
via
1.1 google, 1.1 varnish, 1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
28529
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Host: practical.engineering
URL: https://practical.engineering/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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151.101.64.238 San Francisco, United States, ASN54113 (FASTLY, US),
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Request headers

User-Agent
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Referer
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Response headers

x-sqsp-is-public
true
access-control-expose-headers
Content-Length, Timing-Allow-Origin
etag
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tracepoint
Fastly
cache-control
max-age=31536000,s-maxage=31536000
timing-allow-origin
*
x-timer
S1729200218.459139,VS0,VE1
via
1.1 google, 1.1 varnish, 1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
34578
image-asset.jpeg
images.squarespace-cdn.com/content/v1/55ac34e4e4b0170ef54be632/1659453930710-GI17Z987WULX2PESXYUL/ 		10 KB
10 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://images.squarespace-cdn.com/content/v1/55ac34e4e4b0170ef54be632/1659453930710-GI17Z987WULX2PESXYUL/image-asset.jpeg?format=300w
Requested by
Host: practical.engineering
URL: https://practical.engineering/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.64.238 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
34c6ef337deba101e6d16a67de09160c271a29475e38c5108b87c4e315347c40

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://practical.engineering/

Response headers

x-sqsp-is-public
true
access-control-expose-headers
Content-Length, Timing-Allow-Origin
etag
CKv8/tC7qPkCEAE=
age
2612832
x-cache
HIT, HIT
date
Thu, 17 Oct 2024 21:23:38 GMT
content-type
image/jpeg
x-served-by
cache-iad-kcgs7200032-IAD, cache-fra-etou8220113-FRA
x-cache-hits
130, 0
vary
Accept-Encoding
tracepoint
Fastly
cache-control
max-age=31536000,s-maxage=31536000
timing-allow-origin
*
x-timer
S1729200218.459097,VS0,VE5
via
1.1 google, 1.1 varnish, 1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
10361
p.gif
p.typekit.net/ 		35 B
205 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://p.typekit.net/p.gif?s=2&k=646866_55ac34e4e4b0170ef54be632&ht=tk&h=practical.engineering&f=175.139.176.140.10881&a=646866&js=1.21.0&app=typekit&e=js&_=1729200218504
Requested by
Host: practical.engineering
URL: https://practical.engineering/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a02:26f0:3500:16::215:1495 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
nginx /
Resource Hash
9b9265c69a5cc295d1ab0d04e0273b3677db1a6216ce2ccf4efc8c277ed84b39

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://practical.engineering/

Response headers

cache-control
public, max-age=604800
etag
"64c3b732-23"
cross-origin-resource-policy
cross-origin
accept-ranges
bytes
access-control-allow-origin
*
content-length
35
date
Thu, 17 Oct 2024 21:23:38 GMT
content-type
image/gif
last-modified
Fri, 28 Jul 2023 12:40:18 GMT
server
nginx
favicon.ico
images.squarespace-cdn.com/content/v1/55ac34e4e4b0170ef54be632/72d5163f-0c5a-490b-b568-f1619e6b10c0/ 		7 KB
7 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://images.squarespace-cdn.com/content/v1/55ac34e4e4b0170ef54be632/72d5163f-0c5a-490b-b568-f1619e6b10c0/favicon.ico?format=100w
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.64.238 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
eebdc364e4e1ea1e05202eff21c8993e901583f93b537984d8fbf338b6e087ba

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://practical.engineering/

Response headers

x-sqsp-is-public
true
access-control-expose-headers
Content-Length, Timing-Allow-Origin
etag
CNmcnP3Hz/QCEAE=
age
2549299
x-cache
HIT, HIT
date
Thu, 17 Oct 2024 21:23:38 GMT
content-type
image/png
x-served-by
cache-iad-kjyo7100076-IAD, cache-fra-etou8220113-FRA
x-cache-hits
1, 0
vary
Accept-Encoding
tracepoint
Fastly
cache-control
max-age=31536000,s-maxage=31536000
timing-allow-origin
*
x-timer
S1729200219.657563,VS0,VE1
via
1.1 google, 1.1 varnish, 1.1 varnish
accept-ranges
bytes
access-control-allow-origin
*
content-length
7303

Verdicts & Comments Add Verdict or Comment

66 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| Typekit object| webpackChunk_sqs_polyfiller object| SQUARESPACE_ROLLUPS object| webpackChunkextract_css object| SQUARESPACE_I18N object| YUI_CONFIG function| YUI function| __extends function| __assign function| __rest function| __decorate function| __param function| __esDecorate function| __runInitializers function| __propKey function| __setFunctionName function| __metadata function| __awaiter function| __generator function| __exportStar function| __createBinding function| __values function| __read function| __spread function| __spreadArrays function| __spreadArray function| __await function| __asyncGenerator function| __asyncDelegator function| __asyncValues function| __makeTemplateObject function| __importStar function| __importDefault function| __classPrivateFieldGet function| __classPrivateFieldSet function| __classPrivateFieldIn function| __addDisposableResource function| __disposeResources object| regeneratorRuntime function| _ object| core object| __sqsWebGL object| __STATSIG__ object| websiteComponents function| Common boolean| COMMON_ALREADY_RAN object| Static function| noop object| Singleton object| Class object| Squarespace object| Y object| YUIStats string| _YUI_HISTORY_HASH_ENVIRONMENT_ID string| _yuid object| ESC_MANAGER object| Modernizr object| ImageLoader object| JSTween string| Sender function| sender string| id object| webpackChunkjavascript_sdk object| senderObjects object| senderForms boolean| senderFormsLoaded

4 Cookies

Domain/Path Name / Value
www.practical.engineering/ Name: crumb
Value: BcG4emSOjPIONzRlZjQ4N2FiZmFiMWEyMzkzMjRhYjU4MmY5MjI5
practical.engineering/ Name: crumb
Value: BXNjJlQkTOOsOGZjODNjMzZiNzVjYjc5M2E2NzljZTRmMGU5MjE4
practical.engineering/ Name: ss_cvr
Value: 7fbcb9c9-0075-42ae-972c-64a136ae9dc0|1729200218200|1729200218200|1729200218200|1
practical.engineering/ Name: ss_cvt
Value: 1729200218200

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=15552000
X-Content-Type-Options nosniff

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.

assets.squarespace.com
cdn.sender.net
images.squarespace-cdn.com
p.typekit.net
practical.engineering
static1.squarespace.com
use.typekit.net
www.practical.engineering
104.22.74.115
151.101.0.237
151.101.192.238
151.101.64.238
198.49.23.145
2a02:26f0:3500:16::215:1495
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