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blog.revolutionanalytics.com Open in urlscan Pro
104.18.118.121  Public Scan

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URL: https://blog.revolutionanalytics.com/2014/01/the-fourier-transform-explained-in-one-sentence.html?utm_source=substack&utm_medium=email
Submission Tags: 0xscam
Submission: On April 18 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 16 IPs in 4 countries across 13 domains to perform 42 HTTP transactions. The main IP is 104.18.118.121, located in and belongs to CLOUDFLARENET, US. The main domain is blog.revolutionanalytics.com.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on February 17th 2024. Valid for: 10 months.
This is the only time blog.revolutionanalytics.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 7 104.18.118.121 13335 (CLOUDFLAR...)
1 2606:4700:20:... 13335 (CLOUDFLAR...)
13 104.18.115.121 13335 (CLOUDFLAR...)
1 2a04:4e42:400... 54113 (FASTLY)
4 104.18.114.121 13335 (CLOUDFLAR...)
2 104.18.117.121 13335 (CLOUDFLAR...)
1 52.217.142.185 16509 (AMAZON-02)
1 172.67.69.196 13335 (CLOUDFLAR...)
2 104.17.24.14 13335 (CLOUDFLAR...)
2 2 2400:52e0:1e0... 200325 (BUNNYCDN)
2 104.16.88.20 13335 (CLOUDFLAR...)
2 2a00:1450:400... 15169 (GOOGLE)
1 3 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 2001:4860:480... 15169 (GOOGLE)
42 16
7    104.18.118.121 (None, )

ASN13335 (CLOUDFLARENET, US)
blog.revolutionanalytics.com
1    2606:4700:20::681a:ddc (United States)

ASN13335 (CLOUDFLARENET, US)
cdn.mathjax.org
13    104.18.115.121 (None, )

ASN13335 (CLOUDFLARENET, US)
static.typepad.com
1    2a04:4e42:400::649 (United States)

ASN54113 (FASTLY, US)
code.jquery.com
4    104.18.114.121 (None, )

ASN13335 (CLOUDFLARENET, US)
revolution-computing.typepad.com
2    104.18.117.121 (None, )

ASN13335 (CLOUDFLARENET, US)
a0.typepad.com
www.typepad.com
1    52.217.142.185 (Ashburn, United States)

ASN16509 (AMAZON-02, US)
PTR: s3-1-w.amazonaws.com
twitter-badges.s3.amazonaws.com
1    172.67.69.196 (United States)

ASN13335 (CLOUDFLARENET, US)
blogtrottr.com
2    104.17.24.14 (None, )

ASN13335 (CLOUDFLARENET, US)
cdnjs.cloudflare.com
2    2400:52e0:1e00::1082:1 (Germany)

ASN200325 (BUNNYCDN, SI)
cdn.rawgit.com
2    104.16.88.20 (None, )

ASN13335 (CLOUDFLARENET, US)
cdn.jsdelivr.net
2    2a00:1450:4001:81d::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
3    2a00:1450:4001:80f::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
ssl.google-analytics.com
2    2a00:1450:400c:c00::9b (Brussels, Belgium)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
1    2a00:1450:4001:831::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
1    2001:4860:4802:32::36 (United States)

ASN15169 (GOOGLE, US)
region1.google-analytics.com
Apex Domain
Subdomains		 Transfer
19 typepad.com
static.typepad.com — Cisco Umbrella Rank: 154056
revolution-computing.typepad.com
a0.typepad.com
www.typepad.com — Cisco Umbrella Rank: 150751
79 KB
7 revolutionanalytics.com
blog.revolutionanalytics.com
15 KB
6 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 31
ssl.google-analytics.com — Cisco Umbrella Rank: 647
region1.google-analytics.com — Cisco Umbrella Rank: 2404
39 KB
2 doubleclick.net
stats.g.doubleclick.net — Cisco Umbrella Rank: 84
468 B
2 jsdelivr.net
cdn.jsdelivr.net — Cisco Umbrella Rank: 320
3 KB
2 rawgit.com
cdn.rawgit.com — Cisco Umbrella Rank: 13162
1 KB
2 cloudflare.com
cdnjs.cloudflare.com — Cisco Umbrella Rank: 231
70 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 39
88 KB
1 blogtrottr.com
blogtrottr.com
2 KB
1 amazonaws.com
twitter-badges.s3.amazonaws.com — Cisco Umbrella Rank: 295995
2 KB
1 jquery.com
code.jquery.com — Cisco Umbrella Rank: 767
33 KB
1 mathjax.org
cdn.mathjax.org — Cisco Umbrella Rank: 30318
1 KB
0 microsoft.com Failed
c.microsoft.com Failed
42 13
Domain Requested by
13 static.typepad.com blog.revolutionanalytics.com
static.typepad.com
7 blog.revolutionanalytics.com 1 redirects blog.revolutionanalytics.com
4 revolution-computing.typepad.com blog.revolutionanalytics.com
3 ssl.google-analytics.com 1 redirects blog.revolutionanalytics.com
2 stats.g.doubleclick.net www.google-analytics.com
blog.revolutionanalytics.com
2 www.google-analytics.com blog.revolutionanalytics.com
www.google-analytics.com
2 cdn.jsdelivr.net static.typepad.com
2 cdn.rawgit.com 2 redirects
2 cdnjs.cloudflare.com cdn.mathjax.org
cdnjs.cloudflare.com
1 region1.google-analytics.com www.googletagmanager.com
1 www.typepad.com blog.revolutionanalytics.com
1 www.googletagmanager.com www.google-analytics.com
1 blogtrottr.com blog.revolutionanalytics.com
1 twitter-badges.s3.amazonaws.com blog.revolutionanalytics.com
1 a0.typepad.com blog.revolutionanalytics.com
1 code.jquery.com blog.revolutionanalytics.com
1 cdn.mathjax.org blog.revolutionanalytics.com
0 c.microsoft.com Failed blog.revolutionanalytics.com
42 18
Subject Issuer Validity Valid
blog.revolutionanalytics.com
Cloudflare Inc ECC CA-3		 2024-02-17 -
2024-12-31		 10 months crt.sh
mathjax.org
E1		 2024-02-27 -
2024-05-27		 3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2023-07-31 -
2024-07-30		 a year crt.sh
*.jquery.com
Sectigo RSA Domain Validation Secure Server CA		 2023-07-11 -
2024-07-14		 a year crt.sh
*.s3.amazonaws.com
Amazon RSA 2048 M01		 2023-10-10 -
2024-07-03		 9 months crt.sh
blogtrottr.com
GTS CA 1P5		 2024-03-09 -
2024-06-07		 3 months crt.sh
*.google-analytics.com
GTS CA 1C3		 2024-03-18 -
2024-06-10		 3 months crt.sh
*.g.doubleclick.net
GTS CA 1C3		 2024-03-04 -
2024-05-27		 3 months crt.sh

This page contains 2 frames:

Primary Page: https://blog.revolutionanalytics.com/2014/01/the-fourier-transform-explained-in-one-sentence.html?utm_source=substack&utm_medium=email
Frame ID: 81AE4385B47A2895B193114E57FBF059
Requests: 40 HTTP requests in this frame

Frame: https://blog.revolutionanalytics.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/54ea73d52131/main.js
Frame ID: F522A3F128CF25752EB4182970A255AE
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

The Fourier Transform, explained in one sentence (Revolutions)

Detected technologies

Overall confidence: 100%
Detected patterns
  • ([\d.]+)?/mathjax\.js
Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js
Overall confidence: 100%
Detected patterns
  • (?:/yui/|yui\.yahooapis\.com)
Overall confidence: 100%
Detected patterns
  • jquery[.-]([\d.]*\d)[^/]*\.js
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?
Overall confidence: 100%
Detected patterns
  • //cdn\.jsdelivr\.net/

Page Statistics

42
Requests

88 %
HTTPS

50 %
IPv6

13
Domains

18
Subdomains

16
IPs

4
Countries

333 kB
Transfer

912 kB
Size

13
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 19
  • https://cdn.rawgit.com/noelboss/featherlight/1.7.13/release/featherlight.min.css HTTP 301
  • https://cdn.jsdelivr.net/gh/noelboss/featherlight@1.7.13/release/featherlight.min.css
Request Chain 20
  • https://cdn.rawgit.com/noelboss/featherlight/1.7.13/release/featherlight.gallery.min.css HTTP 301
  • https://cdn.jsdelivr.net/gh/noelboss/featherlight@1.7.13/release/featherlight.gallery.min.css
Request Chain 35
  • https://ssl.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=2&utmn=82403476&utmhn=blog.revolutionanalytics.com&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=de-de&utmje=0&utmfl=-&utmdt=The%20Fourier%20Transform%2C%20explained%20in%20one%20sentence%20(Revolutions)&utmhid=686122595&utmr=-&utmp=%2F2014%2F01%2Fthe-fourier-transform-explained-in-one-sentence.html%3Futm_source%3Dsubstack%26utm_medium%3Demail&utmht=1713402775843&utmac=UA-6984166-9&utmcc=__utma%3D1.588685034.1713402776.1713402776.1713402776.1%3B%2B__utmz%3D1.1713402776.1.1.utmcsr%3Dsubstack%7Cutmccn%3D(not%2520set)%7Cutmcmd%3Demail%3B&utmjid=1111871284&utmredir=1&utmmt=1&utmu=DlAAAAAAAAAAAAAAAAABAAAE~ HTTP 302
  • https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-6984166-9&cid=588685034.1713402776&jid=1111871284&_v=5.7.2&z=82403476
Request Chain 37
  • https://blog.revolutionanalytics.com/cdn-cgi/challenge-platform/scripts/jsd/main.js HTTP 302
  • https://blog.revolutionanalytics.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/54ea73d52131/main.js

42 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request the-fourier-transform-explained-in-one-sentence.html
blog.revolutionanalytics.com/2014/01/ 		34 KB
8 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://blog.revolutionanalytics.com/2014/01/the-fourier-transform-explained-in-one-sentence.html?utm_source=substack&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.18.118.121 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
adb46a7151b49c45822f23ccb377cdb0b5ddc0de9562e15d275b59f346aaa5ef
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

age
105
cf-cache-status
DYNAMIC
cf-ray
8760ca0f49f54516-TXL
content-encoding
br
content-type
text/html; charset=utf-8
date
Thu, 18 Apr 2024 01:12:55 GMT
server
cloudflare
strict-transport-security
max-age=31536000; includeSubDomains
vary
cookie,Accept-Encoding
via
1.1 varnish
x-content-type-options
nosniff
x-phapp
oak-tp-web058
x-varnish
2733153184 2733141673
x-vserver
oak-tp-cache008
x-webserver
oak-tp-web058
MathJax.js
cdn.mathjax.org/mathjax/latest/ 		2 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_CHTML
Requested by
Host: blog.revolutionanalytics.com
URL: https://blog.revolutionanalytics.com/2014/01/the-fourier-transform-explained-in-one-sentence.html?utm_source=substack&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:ddc , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
bbbdf0bdfb5a004d5a6f61ebd4199655021ebb144e2928f1859f4dc2dad45f2f

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://blog.revolutionanalytics.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 18 Apr 2024 01:12:55 GMT
content-encoding
br
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
2014891
x-guploader-uploadid
ABPtcPrMqPmdCJJ_iQsNQcY0F0Zd08ksrVMCfSdyggDJYtKOs683YIwqetCAmeAz93d9QUslY_yn_qSOqA
x-goog-storage-class
STANDARD
x-goog-metageneration
1
x-goog-stored-content-encoding
identity
last-modified
Thu, 04 May 2017 15:26:57 GMT
server
cloudflare
etag
W/"8bafcfb6872e60dd315531cc5a91a521"
vary
Accept-Encoding
x-goog-hash
crc32c=2urwGw==, md5=i6/PtocuYN0xVTHMWpGlIQ==
x-goog-generation
1493911617315000
content-type
application/javascript
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=16070400
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=lk4dVgBGDaPh4vAJgAscd2M6kxv0eXGE0ElNKRvtnaEzgBwIl0IdvIS4pa%2FHH3mnvsXc90LA%2Fu6mgXYQ%2BTwLCPrWBR1e8PUrChvzpU%2Bz41crXIA7pvXTc8n8mo3V0u%2Bpm9c2P5fZ1%2BvlrlRDVw%3D%3D"}],"group":"cf-nel","max_age":604800}
x-goog-stored-content-length
1657
cf-ray
8760ca10fdf64d31-FRA
expires
Mon, 25 Mar 2024 18:22:29 GMT
styles.css
blog.revolutionanalytics.com/ 		3 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://blog.revolutionanalytics.com/styles.css?v=6
Requested by
Host: blog.revolutionanalytics.com
URL: https://blog.revolutionanalytics.com/2014/01/the-fourier-transform-explained-in-one-sentence.html?utm_source=substack&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.18.118.121 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
aeb4891afeba34938cf804e2853121ab68123d1d01ba46603bcb0f4279a14f6b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://blog.revolutionanalytics.com/2014/01/the-fourier-transform-explained-in-one-sentence.html?utm_source=substack&utm_medium=email
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 18 Apr 2024 01:12:55 GMT
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
cf-cache-status
MISS
via
1.1 varnish
content-encoding
br
x-vserver
oak-tp-cache007
x-webserver
oak-tp-web069
last-modified
Thu, 09 Nov 2023 15:37:31 GMT
server
cloudflare
vary
cookie,Accept-Encoding
content-type
text/css
x-varnish
790325295 790311495
cache-control
no-store, no-cache, must-revalidate, max-age=0
x-phapp
oak-tp-web069
cf-ray
8760ca105b5d4516-TXL
featherlight-gallery.css
static.typepad.com/.shared/css/ 		3 KB
945 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://static.typepad.com/.shared/css/featherlight-gallery.css
Requested by
Host: blog.revolutionanalytics.com
URL: https://blog.revolutionanalytics.com/2014/01/the-fourier-transform-explained-in-one-sentence.html?utm_source=substack&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.18.115.121 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2ce32915eab5229db622223aeaecc7bd704160d4d3fde1d8d09b3c05a174b506

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://blog.revolutionanalytics.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 18 Apr 2024 01:12:55 GMT
content-encoding
br
cf-cache-status
DYNAMIC
last-modified
Tue, 09 Apr 2019 19:40:39 GMT
server
cloudflare
content-type
text/css
cache-control
public
cf-ray
8760ca10cdad266d-TXL
expires
Fri, 18 Apr 2025 01:12:55 GMT
thumbnail-gallery-min.js
static.typepad.com/.shared/js/yui/yahoo-dom-event.js,/js/app/ 		31 KB
11 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://static.typepad.com/.shared/js/yui/yahoo-dom-event.js,/js/app/thumbnail-gallery-min.js
Requested by
Host: blog.revolutionanalytics.com
URL: https://blog.revolutionanalytics.com/2014/01/the-fourier-transform-explained-in-one-sentence.html?utm_source=substack&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.18.115.121 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8cb1d88b4ae1417dd1ae1fc66c61bf5216a6933dc0f76304e550ab1d1457e9e0

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://blog.revolutionanalytics.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 18 Apr 2024 01:12:55 GMT
content-encoding
br
cf-cache-status
HIT
last-modified
Thu, 23 Apr 2020 18:27:53 GMT
server
cloudflare
age
10103
vary
Accept-Encoding
content-type
application/x-javascript
cache-control
public, max-age=19466438
cf-ray
8760ca10cdae266d-TXL
expires
Fri, 29 Nov 2024 08:33:33 GMT
jquery-1.11.2.min.js
code.jquery.com/ 		94 KB
33 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://code.jquery.com/jquery-1.11.2.min.js
Requested by
Host: blog.revolutionanalytics.com
URL: https://blog.revolutionanalytics.com/2014/01/the-fourier-transform-explained-in-one-sentence.html?utm_source=substack&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42:400::649 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
nginx /
Resource Hash
2ecd295d295bec062cedebe177e54b9d6b19fc0a841dc5c178c654c9ccff09c0

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://blog.revolutionanalytics.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 18 Apr 2024 01:12:55 GMT
content-encoding
gzip
via
1.1 varnish, 1.1 varnish
age
15787821
x-cache
HIT, HIT
content-length
33262
x-served-by
cache-lga13622-LGA, cache-mxp6979-MXP
last-modified
Fri, 18 Oct 1991 12:00:00 GMT
server
nginx
x-timer
S1713402775.213842,VS0,VE0
etag
W/"28feccc0-176bb"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=31536000, stale-while-revalidate=604800
accept-ranges
bytes
x-cache-hits
63, 99273
6a010534b1db25970b019b0172129c970c-800wi
revolution-computing.typepad.com/.a/ 		24 KB
24 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://revolution-computing.typepad.com/.a/6a010534b1db25970b019b0172129c970c-800wi
Requested by
Host: blog.revolutionanalytics.com
URL: https://blog.revolutionanalytics.com/2014/01/the-fourier-transform-explained-in-one-sentence.html?utm_source=substack&utm_medium=email
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.18.114.121 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
69b57fbdfdbe2de306a5f7f6593122d018ef16a365bdaa3761ad0c36561bf06c
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31 JavaScript Global Variables

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javascript warning URL: https://blog.revolutionanalytics.com/2014/01/the-fourier-transform-explained-in-one-sentence.html?utm_source=substack&utm_medium=email(Line 572)
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Indicators

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