Submitted URL: http://algorithmica.org/
Effective URL: https://en.algorithmica.org/
Submission: On June 01 via api from GB — Scanned from GB

Summary

This website contacted 9 IPs in 3 countries across 7 domains to perform 32 HTTP transactions. The main IP is 159.65.118.56, located in Frankfurt am Main, Germany and belongs to DIGITALOCEAN-ASN, US. The main domain is en.algorithmica.org.
TLS certificate: Issued by R3 on May 28th 2022. Valid for: 3 months.
This is the only time en.algorithmica.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 2 3.67.255.218 16509 (AMAZON-02)
15 159.65.118.56 14061 (DIGITALOC...)
1 2a00:1450:400... 15169 (GOOGLE)
4 143.204.98.119 16509 (AMAZON-02)
1 2606:4700::68... 13335 (CLOUDFLAR...)
3 2606:4700::68... 13335 (CLOUDFLAR...)
1 6 2a02:6b8::1:119 208722 (GLOBAL_DC)
1 2a00:1450:400... 15169 (GOOGLE)
32 9
Apex Domain
Subdomains
Transfer
17 algorithmica.org
algorithmica.org
en.algorithmica.org
595 KB
6 yandex.ru
mc.yandex.ru — Cisco Umbrella Rank: 3528 Failed
72 KB
4 tikzjax.com
tikzjax.com
2 MB
3 jsdelivr.net
cdn.jsdelivr.net — Cisco Umbrella Rank: 419
74 KB
1 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 35
349 B
1 cloudflare.com
cdnjs.cloudflare.com — Cisco Umbrella Rank: 206
8 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 64
69 KB
32 7
Domain Requested by
15 en.algorithmica.org algorithmica.org
en.algorithmica.org
6 mc.yandex.ru algorithmica.org
en.algorithmica.org
mc.yandex.ru
4 tikzjax.com en.algorithmica.org
tikzjax.com
3 cdn.jsdelivr.net en.algorithmica.org
2 algorithmica.org 1 redirects
1 www.google-analytics.com www.googletagmanager.com
1 cdnjs.cloudflare.com en.algorithmica.org
1 www.googletagmanager.com en.algorithmica.org
32 8

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

Domain
prose.io
github.com
sereja.me
fintech.tinkoff.ru
ru.algorithmica.org
Subject Issuer Validity Valid
*.algorithmica.org
R3
2022-05-28 -
2022-08-26
3 months crt.sh
*.google-analytics.com
GTS CA 1C3
2022-05-04 -
2022-07-27
3 months crt.sh
tikzjax.com
Amazon
2022-04-16 -
2023-05-15
a year crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3
2021-09-21 -
2022-09-20
a year crt.sh
mc.yandex.ru
GlobalSign ECC OV SSL CA 2018
2022-05-21 -
2022-10-31
5 months crt.sh

This page contains 1 frames:

Primary Page: https://en.algorithmica.org/
Frame ID: 6C0BED341A644610D678A94DD61CF8E7
Requests: 32 HTTP requests in this frame

Screenshot

Page Title

Algorithmica

Page URL History Show full URLs

  1. http://algorithmica.org/ HTTP 301
    https://algorithmica.org/ Page URL
  2. https://en.algorithmica.org/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • katex(?:\.min)?\.js

Overall confidence: 100%
Detected patterns

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

Overall confidence: 100%
Detected patterns
  • mc\.yandex\.ru/metrika/(?:tag|watch)\.js

Overall confidence: 100%
Detected patterns
  • <link [^>]*?href="?[a-zA-Z]*?:?//cdn\.jsdelivr\.net/
  • //cdn\.jsdelivr\.net/

Page Statistics

32
Requests

94 %
HTTPS

63 %
IPv6

7
Domains

8
Subdomains

9
IPs

3
Countries

3296 kB
Transfer

3790 kB
Size

11
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://algorithmica.org/ HTTP 301
    https://algorithmica.org/ Page URL
  2. https://en.algorithmica.org/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 0
  • http://algorithmica.org/ HTTP 301
  • https://algorithmica.org/
Request Chain 25
  • https://mc.yandex.ru/watch/53961409?wmode=7&page-url=https%3A%2F%2Fen.algorithmica.org%2F&page-ref=https%3A%2F%2Falgorithmica.org%2F&charset=utf-8&browser-info=pv%3A1%3Agdpr%3A14%3Avf%3Anw88wxnri2h7xtkmzit4%3Afp%3A517%3Afu%3A0%3Aen%3Autf-8%3Ala%3Aen-US%3Av%3A802%3Acn%3A1%3Adp%3A0%3Als%3A332815333750%3Ahid%3A753733059%3Az%3A0%3Ai%3A20220601010725%3Aet%3A1654045645%3Ac%3A1%3Arn%3A119104975%3Arqn%3A1%3Au%3A1654045645162819653%3Aw%3A1600x1200%3As%3A1600x1200x24%3Ask%3A1%3Acpf%3A1%3Ans%3A1654045644522%3Ads%3A17%2C85%2C44%2C0%2C1%2C0%2C%2C364%2C0%2C%2C%2C%2C526%3Awv%3A2%3Aco%3A0%3Arqnl%3A1%3Ast%3A1654045645%3At%3AAlgorithmica&t=gdpr(14)aw(1)rqnt(1)ti(2) HTTP 302
  • https://mc.yandex.ru/watch/53961409/1?wmode=7&page-url=https%3A%2F%2Fen.algorithmica.org%2F&page-ref=https%3A%2F%2Falgorithmica.org%2F&charset=utf-8&browser-info=pv%3A1%3Agdpr%3A14%3Avf%3Anw88wxnri2h7xtkmzit4%3Afp%3A517%3Afu%3A0%3Aen%3Autf-8%3Ala%3Aen-US%3Av%3A802%3Acn%3A1%3Adp%3A0%3Als%3A332815333750%3Ahid%3A753733059%3Az%3A0%3Ai%3A20220601010725%3Aet%3A1654045645%3Ac%3A1%3Arn%3A119104975%3Arqn%3A1%3Au%3A1654045645162819653%3Aw%3A1600x1200%3As%3A1600x1200x24%3Ask%3A1%3Acpf%3A1%3Ans%3A1654045644522%3Ads%3A17%2C85%2C44%2C0%2C1%2C0%2C%2C364%2C0%2C%2C%2C%2C526%3Awv%3A2%3Aco%3A0%3Arqnl%3A1%3Ast%3A1654045645%3At%3AAlgorithmica&t=gdpr%2814%29aw%281%29rqnt%281%29ti%282%29

32 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
/
algorithmica.org/
Redirect Chain
  • http://algorithmica.org/
  • https://algorithmica.org/
2 KB
790 B
Document
General
Full URL
https://algorithmica.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
3.67.255.218 Frankfurt am Main, Germany, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-3-67-255-218.eu-central-1.compute.amazonaws.com
Software
Netlify /
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36
accept-language
en-GB,en;q=0.9

Response headers

age
16107
cache-control
public, max-age=0, must-revalidate
content-encoding
br
content-length
579
content-type
text/html; charset=UTF-8
date
Tue, 31 May 2022 20:38:57 GMT
etag
"0973ad86b106094390b28025655568e6-ssl-df"
server
Netlify
strict-transport-security
max-age=31536000
vary
Accept-Encoding
x-nf-request-id
01G4ECV5P376SG21KSC1VP2C6K

Redirect headers

Age
0
Cache-Control
public, max-age=0, must-revalidate
Content-Length
40
Content-Type
text/plain
Date
Wed, 01 Jun 2022 01:07:24 GMT
Location
https://algorithmica.org/
Server
Netlify
X-Nf-Request-Id
01G4ECV5E94C5X7JAECKHC7MA7
tag.js
mc.yandex.ru/metrika/
0
0

Primary Request /
en.algorithmica.org/
7 KB
3 KB
Document
General
Full URL
https://en.algorithmica.org/
Requested by
Host: algorithmica.org
URL: https://algorithmica.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
159.65.118.56 Frankfurt am Main, Germany, ASN14061 (DIGITALOCEAN-ASN, US),
Reverse DNS
Software
Netlify /
Resource Hash
22e14e07149454d353e1df0a82babaf169b50a44d2181ce0ab6e91fd5f481059
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://algorithmica.org/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36
accept-language
en-GB,en;q=0.9

Response headers

age
6433
cache-control
public, max-age=0, must-revalidate
content-encoding
br
content-length
2805
content-type
text/html; charset=UTF-8
date
Tue, 31 May 2022 23:20:11 GMT
etag
"06fa403692b9c875d053869572021a43-ssl-df"
server
Netlify
strict-transport-security
max-age=31536000
vary
Accept-Encoding
x-nf-request-id
01G4ECV5V8VYBTMVHREKJNBJB0
js
www.googletagmanager.com/gtag/
191 KB
69 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/js?id=G-WBN59M8Y5S
Requested by
Host: en.algorithmica.org
URL: https://en.algorithmica.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:812::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
ee7a9988950afbf73ee764edd7c8d7b9b4f607f5fb20f16347e84c28962ae7ea
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://en.algorithmica.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

date
Wed, 01 Jun 2022 01:07:24 GMT
content-encoding
br
server
Google Tag Manager
access-control-allow-headers
Cache-Control
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
strict-transport-security
max-age=31536000; includeSubDomains
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
70041
x-xss-protection
0
expires
Wed, 01 Jun 2022 01:07:24 GMT
style.min.af83c7b74104609b5ab2a1da6f34db98aa0185ed49680cf55e4044fafeebf30d.css
en.algorithmica.org/
7 KB
2 KB
Stylesheet
General
Full URL
https://en.algorithmica.org/style.min.af83c7b74104609b5ab2a1da6f34db98aa0185ed49680cf55e4044fafeebf30d.css
Requested by
Host: en.algorithmica.org
URL: https://en.algorithmica.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
159.65.118.56 Frankfurt am Main, Germany, ASN14061 (DIGITALOCEAN-ASN, US),
Reverse DNS
Software
Netlify /
Resource Hash
af83c7b74104609b5ab2a1da6f34db98aa0185ed49680cf55e4044fafeebf30d
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://en.algorithmica.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

x-nf-request-id
01G4ECV5WS8H4ETHWXG6KNGPCN
date
Tue, 31 May 2022 04:17:26 GMT
content-encoding
gzip
server
Netlify
age
74998
etag
"ef222436dfe61663870f41a8800b4295-ssl"
vary
Accept-Encoding
content-type
text/css; charset=UTF-8
cache-control
public, max-age=0, must-revalidate
strict-transport-security
max-age=31536000
accept-ranges
bytes
content-length
2237
syntax.css
en.algorithmica.org/
4 KB
1 KB
Stylesheet
General
Full URL
https://en.algorithmica.org/syntax.css
Requested by
Host: en.algorithmica.org
URL: https://en.algorithmica.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
159.65.118.56 Frankfurt am Main, Germany, ASN14061 (DIGITALOCEAN-ASN, US),
Reverse DNS
Software
Netlify /
Resource Hash
73f2114adf80a06ab7cea71bd318f35aec9d518cf80582eefe616c0728c9f84a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://en.algorithmica.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

x-nf-request-id
01G4ECV5WSK1W552A4MHS4SSVJ
date
Tue, 31 May 2022 04:17:26 GMT
content-encoding
gzip
server
Netlify
age
74998
etag
"c4db7fb6c12be117ea2b231e0f098a8c-ssl"
vary
Accept-Encoding
content-type
text/css; charset=UTF-8
cache-control
public, max-age=0, must-revalidate
strict-transport-security
max-age=31536000
accept-ranges
bytes
content-length
1000
fonts.css
tikzjax.com/v1/
10 KB
10 KB
Stylesheet
General
Full URL
https://tikzjax.com/v1/fonts.css
Requested by
Host: en.algorithmica.org
URL: https://en.algorithmica.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
143.204.98.119 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-98-119.fra50.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
a76710c247e7bcb129b6c72164437644249a2c11f11e80eb44a645a868f13971

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://en.algorithmica.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

date
Tue, 31 May 2022 02:07:41 GMT
via
1.1 d627b75d0c1aedd3691390ac8498d3b0.cloudfront.net (CloudFront)
last-modified
Sat, 23 Feb 2019 04:36:16 GMT
server
AmazonS3
age
82784
etag
"ea616b984bc6f3c8cf9f94674f03eae6"
x-cache
Hit from cloudfront
content-type
text/css
x-amz-cf-pop
FRA50-C1
accept-ranges
bytes
content-length
10238
x-amz-cf-id
oqORS6DRIXOeJsZfztBxxrIqS9j8kVtKitZaIFZJ6KBxZcqKwN71tw==
tikzjax.js
tikzjax.com/v1/
931 KB
933 KB
Script
General
Full URL
https://tikzjax.com/v1/tikzjax.js
Requested by
Host: en.algorithmica.org
URL: https://en.algorithmica.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
143.204.98.119 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-98-119.fra50.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
33eb6a147769145e3f246c4a381693f3067d0bc0868aba2aa734af725f667221

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://en.algorithmica.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

date
Tue, 31 May 2022 04:26:58 GMT
via
1.1 d627b75d0c1aedd3691390ac8498d3b0.cloudfront.net (CloudFront)
last-modified
Sat, 23 Feb 2019 04:41:05 GMT
server
AmazonS3
age
74427
etag
"9a82131e3181e6095a0cc510185f2578"
x-cache
Hit from cloudfront
content-type
application/javascript
x-amz-cf-pop
FRA50-C1
accept-ranges
bytes
content-length
953654
x-amz-cf-id
2PiYXUuJAKTKDWu3RhwwPQyhxtYDv-WBAy9A_51_cvv6Qke0c-iwTw==
lunr.min.js
cdnjs.cloudflare.com/ajax/libs/lunr.js/2.3.9/
29 KB
8 KB
Script
General
Full URL
https://cdnjs.cloudflare.com/ajax/libs/lunr.js/2.3.9/lunr.min.js
Requested by
Host: en.algorithmica.org
URL: https://en.algorithmica.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:190e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0c50d9002b85780a842afffb567bb54ede402dae7c6dc5997a018614d8044fc8
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://en.algorithmica.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

date
Wed, 01 Jun 2022 01:07:24 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
618622
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
7614
timing-allow-origin
*
last-modified
Wed, 19 Aug 2020 23:29:51 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5f3db5ef-7346"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=YEVAEFy5pA0qXjZ6p5adab6nUMJ%2FkpOKFBEuOQcJo6Drk6FP98JwNp7rOwpQSjA1JqUJ6EIx%2BEGPbFBMrdxO6tsdMNWPSvg56cIUz4xe%2Ba4vjhlos7EnqduyUekRsltbReAQGbCpvNZ0bqq3UkTqMLkf"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=30672000
accept-ranges
bytes
cf-ray
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expires
Mon, 22 May 2023 01:07:24 GMT
lunr.stemmer.support.min.js
en.algorithmica.org/scripts/
4 KB
1 KB
Script
General
Full URL
https://en.algorithmica.org/scripts/lunr.stemmer.support.min.js
Requested by
Host: en.algorithmica.org
URL: https://en.algorithmica.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
159.65.118.56 Frankfurt am Main, Germany, ASN14061 (DIGITALOCEAN-ASN, US),
Reverse DNS
Software
Netlify /
Resource Hash
2e7213605846a18014ec750910cb18a8a4c60bb23200103b3fad9ef27b10c705
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://en.algorithmica.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

x-nf-request-id
01G4ECV5WSNG8M7KA2D7YZJDAJ
date
Tue, 31 May 2022 04:17:26 GMT
content-encoding
gzip
server
Netlify
age
74998
etag
"8d32ba4e2f920bb6640a5bc1edf5dc41-ssl"
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
cache-control
public, max-age=0, must-revalidate
strict-transport-security
max-age=31536000
accept-ranges
bytes
content-length
1159
lunr.ru.min.js
en.algorithmica.org/scripts/
10 KB
3 KB
Script
General
Full URL
https://en.algorithmica.org/scripts/lunr.ru.min.js
Requested by
Host: en.algorithmica.org
URL: https://en.algorithmica.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
159.65.118.56 Frankfurt am Main, Germany, ASN14061 (DIGITALOCEAN-ASN, US),
Reverse DNS
Software
Netlify /
Resource Hash
446cecb2c6d78685eee6d238777362564b63a653f3fada8c8f52f9aa444001d6
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://en.algorithmica.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

x-nf-request-id
01G4ECV5WSMX1D5WZCXWRF15HM
date
Tue, 31 May 2022 04:17:26 GMT
content-encoding
gzip
server
Netlify
age
74998
etag
"9efc74242b25aa283b46c6d96089eb79-ssl"
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
cache-control
public, max-age=0, must-revalidate
strict-transport-security
max-age=31536000
accept-ranges
bytes
content-length
3103
lunr.multi.min.js
en.algorithmica.org/scripts/
818 B
932 B
Script
General
Full URL
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Host: en.algorithmica.org
URL: https://en.algorithmica.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
Software
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Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
en-GB,en;q=0.9
Referer
https://en.algorithmica.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

x-nf-request-id
01G4ECV5WTMKF07087FRSZYHV5
date
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server
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age
74998
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strict-transport-security
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content-type
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accept-ranges
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content-length
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https://cdn.jsdelivr.net/npm/katex@0.12.0/dist/katex.min.css
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Security Headers
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Request headers

Referer
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Origin
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accept-language
en-GB,en;q=0.9
User-Agent
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Response headers

date
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content-encoding
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x-content-type-options
nosniff
cf-cache-status
HIT
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cross-origin
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*
x-jsd-version-type
version
server
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etag
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expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
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report-to
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cf-ray
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Protocol
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Security Headers
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Request headers

Referer
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Origin
https://en.algorithmica.org
accept-language
en-GB,en;q=0.9
User-Agent
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Response headers

date
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content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
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{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
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x-jsd-version
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x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
strict-transport-security
max-age=31536000; includeSubDomains; preload
alt-svc
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timing-allow-origin
*
x-jsd-version-type
version
server
cloudflare
etag
W/"3ee7d-DMeOqBpmwCc4OaIsln4Vj8XHFIc"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
report-to
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content-type
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cache-control
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cf-ray
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Protocol
H3
Security
QUIC, , AES_128_GCM
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Security Headers
Name Value
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Request headers

Referer
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accept-language
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User-Agent
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Response headers

date
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content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
fastly-original-body-size
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x-jsd-version
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x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
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alt-svc
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timing-allow-origin
*
x-jsd-version-type
version
server
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etag
W/"dbf-KGD+1PxcGAxcdwehcr+eZAixVfg"
expect-ct
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vary
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report-to
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*
access-control-expose-headers
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cache-control
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cf-ray
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Protocol
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TLS 1.3, , AES_128_GCM
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Software
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Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
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Referer
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User-Agent
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Response headers

x-nf-request-id
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date
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server
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age
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etag
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strict-transport-security
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accept-ranges
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Protocol
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Security
TLS 1.3, , AES_128_GCM
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Software
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Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
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Referer
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User-Agent
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Response headers

x-nf-request-id
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date
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server
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age
74999
etag
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strict-transport-security
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content-type
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cache-control
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accept-ranges
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Full URL
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Host: en.algorithmica.org
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
159.65.118.56 Frankfurt am Main, Germany, ASN14061 (DIGITALOCEAN-ASN, US),
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Software
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Resource Hash
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Security Headers
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Request headers

accept-language
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Referer
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Response headers

x-nf-request-id
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date
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server
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age
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etag
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strict-transport-security
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Full URL
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Protocol
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TLS 1.3, , AES_128_GCM
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Software
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Security Headers
Name Value
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Request headers

accept-language
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Referer
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User-Agent
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Response headers

x-nf-request-id
01G4ECV67JWGH9YW5D552FJGWS
date
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server
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age
74999
etag
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strict-transport-security
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content-type
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cache-control
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accept-ranges
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Full URL
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Host: en.algorithmica.org
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
159.65.118.56 Frankfurt am Main, Germany, ASN14061 (DIGITALOCEAN-ASN, US),
Reverse DNS
Software
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Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
en-GB,en;q=0.9
Referer
https://en.algorithmica.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

x-nf-request-id
01G4ECV67J2DK5DCNJ9G7AFRPR
date
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server
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age
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etag
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strict-transport-security
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content-type
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cache-control
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accept-ranges
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Image
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Full URL
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Host: en.algorithmica.org
URL: https://en.algorithmica.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
159.65.118.56 Frankfurt am Main, Germany, ASN14061 (DIGITALOCEAN-ASN, US),
Reverse DNS
Software
Netlify /
Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
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Referer
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User-Agent
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Response headers

x-nf-request-id
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date
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content-encoding
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server
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age
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etag
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vary
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content-type
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cache-control
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strict-transport-security
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accept-ranges
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content-length
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203 KB
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General
Full URL
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URL: https://en.algorithmica.org/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
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Security Headers
Name Value
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Request headers

accept-language
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Referer
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User-Agent
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Response headers

date
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content-encoding
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last-modified
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etag
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strict-transport-security
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content-type
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access-control-allow-origin
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cache-control
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content-length
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expires
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Full URL
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Request headers

accept-language
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Response headers

pragma
no-cache
date
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server
Golfe2
content-type
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access-control-allow-origin
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cache-control
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cross-origin-resource-policy
cross-origin
alt-svc
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content-length
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expires
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192 KB
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General
Full URL
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Protocol
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TLS 1.3, , AES_128_GCM
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Reverse DNS
Software
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Resource Hash
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Security Headers
Name Value
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Request headers

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Response headers

x-nf-request-id
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date
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server
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age
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etag
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strict-transport-security
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These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
mc.yandex.ru
URL
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Verdicts & Comments Add Verdict or Comment

27 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| oncontextlost object| oncontextrestored function| structuredClone object| launchQueue object| onbeforematch function| getScreenDetails object| navigation function| gtag object| dataLayer function| ym object| google_tag_manager function| onYouTubeIframeAPIReady object| google_tag_data object| gaGlobal function| setImmediate function| clearImmediate function| lunr function| toggleSidebar function| switchTheme function| toggleSearch object| articles undefined| index function| search object| katex function| renderMathInElement object| Ya object| yaCounter53961409

11 Cookies

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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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