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peltorator.ru Open in urlscan Pro
2a00:f940:2:2:1:1:0:2  Public Scan

Go To Rescan Add Verdict Report
URL: https://peltorator.ru/posts/knuth_yao_optimization/
Submission: On December 19 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 4 IPs in 2 countries across 3 domains to perform 19 HTTP transactions. The main IP is 2a00:f940:2:2:1:1:0:2, located in Russian Federation and belongs to AS-REG, RU. The main domain is peltorator.ru.
TLS certificate: Issued by R3 on October 28th 2023. Valid for: 3 months.
This is the only time peltorator.ru was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
9 2a00:f940:2:2... 197695 (AS-REG)
6 2606:4700::68... 13335 (CLOUDFLAR...)
3 99.84.146.6 16509 (AMAZON-02)
19 4
Apex Domain
Subdomains		 Transfer
9 peltorator.ru
peltorator.ru
134 KB
6 jsdelivr.net
cdn.jsdelivr.net — Cisco Umbrella Rank: 313
319 KB
3 tikzjax.com
tikzjax.com — Cisco Umbrella Rank: 111464
2 MB
19 3
Domain Requested by
9 peltorator.ru peltorator.ru
6 cdn.jsdelivr.net peltorator.ru
3 tikzjax.com peltorator.ru
tikzjax.com
19 3

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

Domain
mariupolisobrad.helihool.ee
cse.hkust.edu.hk
codeforces.com
www.hackerrank.com
gohugo.io
github.com
Subject Issuer Validity Valid
peltorator.ru
R3		 2023-10-28 -
2024-01-26		 3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2023-05-02 -
2024-05-01		 a year crt.sh
tikzjax.com
Amazon RSA 2048 M01		 2023-03-17 -
2024-04-14		 a year crt.sh

This page contains 1 frames:

Primary Page: https://peltorator.ru/posts/knuth_yao_optimization/
Frame ID: D685DAC8993C149DA244358E4FED51FF
Requests: 19 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Оптимизация Кнута — Яо - peltorator

Detected technologies

Overall confidence: 100%
Detected patterns
  • //cdn\.jsdelivr\.net/

Page Statistics

19
Requests

95 %
HTTPS

67 %
IPv6

3
Domains

3
Subdomains

4
IPs

2
Countries

2922 kB
Transfer

3843 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

19 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
peltorator.ru/posts/knuth_yao_optimization/ 		37 KB
8 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://peltorator.ru/posts/knuth_yao_optimization/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a00:f940:2:2:1:1:0:2 , Russian Federation, ASN197695 (AS-REG, RU),
Reverse DNS
Software
nginx /
Resource Hash
504d31e737c74fd24d39ab148496f02bd9a4bb750d5afbd3caad90cbd6e614d8

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

content-encoding
gzip
content-type
text/html; charset=UTF-8
date
Tue, 19 Dec 2023 21:53:40 GMT
server
nginx
vary
Accept-Encoding
tex-mml-chtml.js
cdn.jsdelivr.net/npm/mathjax@3/es5/ 		1 MB
252 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js
Requested by
Host: peltorator.ru
URL: https://peltorator.ru/posts/knuth_yao_optimization/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:5514 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
300480069078b5892d2363a2b65e2dfbbf30fe5c80f83edbfecf4610fd093862
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://peltorator.ru/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date
Tue, 19 Dec 2023 21:53:40 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
10539
x-jsd-version
3.2.2
content-encoding
br
x-cache
HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
x-served-by
cache-fra-eddf8230095-FRA
x-jsd-version-type
version
server
cloudflare
etag
W/"11e60f-0zusawQQZK5DMNzC2Vjr5MKOvlg"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=gRRncgtOuoaKl9J0PGcw8dUzvAwTkZimJR%2BTGrlC0AUefaSMnQp5S5%2BQ0NUMAG847BV%2BpQy2UVOjmuzNiT34VtSITarPO8uqL7tdl2J0F3Uzz6gA9NstLZR3%2BBk1jQ06ryAH55NAbTablg3t9XY%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
timing-allow-origin
*
cf-ray
8382e136fe60bb71-FRA
tikzjax.js
tikzjax.com/v1/ 		931 KB
933 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://tikzjax.com/v1/tikzjax.js
Requested by
Host: peltorator.ru
URL: https://peltorator.ru/posts/knuth_yao_optimization/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
99.84.146.6 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-99-84-146-6.txl52.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
33eb6a147769145e3f246c4a381693f3067d0bc0868aba2aa734af725f667221

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://peltorator.ru/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date
Tue, 19 Dec 2023 17:01:23 GMT
via
1.1 a57d5819527c444e16b1875e3bd28970.cloudfront.net (CloudFront)
last-modified
Sat, 23 Feb 2019 04:41:05 GMT
server
AmazonS3
x-amz-cf-pop
TXL52-C1
age
17539
etag
"9a82131e3181e6095a0cc510185f2578"
x-cache
Hit from cloudfront
content-type
application/javascript
accept-ranges
bytes
content-length
953654
x-amz-cf-id
wYejSPuTln0gaI94odCC2PmecIl_Cyi_reS8B_4_NJNzBRkY6fJJSQ==
common.css
peltorator.ru/css/ 		3 KB
910 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://peltorator.ru/css/common.css
Requested by
Host: peltorator.ru
URL: https://peltorator.ru/posts/knuth_yao_optimization/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a00:f940:2:2:1:1:0:2 , Russian Federation, ASN197695 (AS-REG, RU),
Reverse DNS
Software
nginx /
Resource Hash
4b97f756b6512f99e3144daea4afb577b453604e0cd359e665f00bac21be6d62

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://peltorator.ru/posts/knuth_yao_optimization/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date
Tue, 19 Dec 2023 21:53:40 GMT
content-encoding
gzip
last-modified
Mon, 13 Sep 2021 14:20:28 GMT
server
nginx
etag
W/"613f5e2c-bd0"
vary
Accept-Encoding
content-type
text/css
cache-control
max-age=3888000
expires
Fri, 02 Feb 2024 21:53:40 GMT
content.css
peltorator.ru/css/ 		2 KB
810 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://peltorator.ru/css/content.css
Requested by
Host: peltorator.ru
URL: https://peltorator.ru/posts/knuth_yao_optimization/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a00:f940:2:2:1:1:0:2 , Russian Federation, ASN197695 (AS-REG, RU),
Reverse DNS
Software
nginx /
Resource Hash
55bde67e1c9727e454f06c64a2ddcbeb3e1dd6e14e30ad3428ae1450e5b78c14

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://peltorator.ru/posts/knuth_yao_optimization/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date
Tue, 19 Dec 2023 21:53:40 GMT
content-encoding
gzip
last-modified
Sun, 26 Sep 2021 09:50:56 GMT
server
nginx
etag
W/"61504280-7a3"
vary
Accept-Encoding
content-type
text/css
cache-control
max-age=3888000
expires
Fri, 02 Feb 2024 21:53:40 GMT
highlight.css
peltorator.ru/css/ 		5 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://peltorator.ru/css/highlight.css
Requested by
Host: peltorator.ru
URL: https://peltorator.ru/posts/knuth_yao_optimization/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a00:f940:2:2:1:1:0:2 , Russian Federation, ASN197695 (AS-REG, RU),
Reverse DNS
Software
nginx /
Resource Hash
52e6c2a6c7c147bf8971288eab3c7cacce64a27183314d048bf23e27e386b8c3

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://peltorator.ru/posts/knuth_yao_optimization/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date
Tue, 19 Dec 2023 21:53:40 GMT
content-encoding
gzip
last-modified
Mon, 13 Sep 2021 14:20:28 GMT
server
nginx
etag
W/"613f5e2c-12e5"
vary
Accept-Encoding
content-type
text/css
cache-control
max-age=3888000
expires
Fri, 02 Feb 2024 21:53:40 GMT
single.css
peltorator.ru/css/ 		90 B
261 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://peltorator.ru/css/single.css
Requested by
Host: peltorator.ru
URL: https://peltorator.ru/posts/knuth_yao_optimization/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a00:f940:2:2:1:1:0:2 , Russian Federation, ASN197695 (AS-REG, RU),
Reverse DNS
Software
nginx /
Resource Hash
c9baea2da35445143a385a47640b47f4ee951917e2ea50b9811ef1291ccd2e62

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://peltorator.ru/posts/knuth_yao_optimization/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date
Tue, 19 Dec 2023 21:53:40 GMT
last-modified
Mon, 13 Sep 2021 14:20:28 GMT
server
nginx
etag
"613f5e2c-5a"
content-type
text/css
cache-control
max-age=3888000
accept-ranges
bytes
content-length
90
expires
Fri, 02 Feb 2024 21:53:40 GMT
fonts.css
tikzjax.com/v1/ 		0
0
lmroman-bold.woff
peltorator.ru/font/ 		31 KB
31 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://peltorator.ru/font/lmroman-bold.woff
Requested by
Host: peltorator.ru
URL: https://peltorator.ru/css/common.css
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a00:f940:2:2:1:1:0:2 , Russian Federation, ASN197695 (AS-REG, RU),
Reverse DNS
Software
nginx /
Resource Hash
63f2b3266d12f07ef90f7d66aa8936a2d716f0998a311a970f6fe06fc97e1a8a

Request headers

Referer
https://peltorator.ru/css/common.css
Origin
https://peltorator.ru
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/120.0.6099.109 Safari/537.36

Response headers

date
Tue, 19 Dec 2023 21:53:41 GMT
last-modified
Mon, 13 Sep 2021 14:20:28 GMT
server
nginx
accept-ranges
bytes
etag
"7bb4-5cbe12ab2e300"
content-length
31668
content-type
application/font-woff
lmroman-normal.woff
peltorator.ru/font/ 		34 KB
34 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://peltorator.ru/font/lmroman-normal.woff
Requested by
Host: peltorator.ru
URL: https://peltorator.ru/css/common.css
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a00:f940:2:2:1:1:0:2 , Russian Federation, ASN197695 (AS-REG, RU),
Reverse DNS
Software
nginx /
Resource Hash
5de2054e14b938f04d813ec2e41bcb210add265f77615463041ec8c4869478d4

Request headers

Referer
https://peltorator.ru/css/common.css
Origin
https://peltorator.ru
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/120.0.6099.109 Safari/537.36

Response headers

date
Tue, 19 Dec 2023 21:53:41 GMT
last-modified
Mon, 13 Sep 2021 14:20:28 GMT
server
nginx
accept-ranges
bytes
etag
"8814-5cbe12ab2e300"
content-length
34836
content-type
application/font-woff
lmmono-bold.woff
peltorator.ru/font/ 		28 KB
28 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://peltorator.ru/font/lmmono-bold.woff
Requested by
Host: peltorator.ru
URL: https://peltorator.ru/css/common.css
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a00:f940:2:2:1:1:0:2 , Russian Federation, ASN197695 (AS-REG, RU),
Reverse DNS
Software
nginx /
Resource Hash
cc1d9ea4369bcab4c9765bc707c0ac5abe1c33fd1e5a5bfb18a5630ea1c03ac1

Request headers

Referer
https://peltorator.ru/css/common.css
Origin
https://peltorator.ru
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/120.0.6099.109 Safari/537.36

Response headers

date
Tue, 19 Dec 2023 21:53:41 GMT
last-modified
Mon, 13 Sep 2021 14:20:28 GMT
server
nginx
accept-ranges
bytes
etag
"7104-5cbe12ab2e300"
content-length
28932
content-type
application/font-woff
lmmono-normal.woff
peltorator.ru/font/ 		28 KB
29 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://peltorator.ru/font/lmmono-normal.woff
Requested by
Host: peltorator.ru
URL: https://peltorator.ru/css/common.css
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a00:f940:2:2:1:1:0:2 , Russian Federation, ASN197695 (AS-REG, RU),
Reverse DNS
Software
nginx /
Resource Hash
f84105104887265c5d5292acd4a513a4cf89b74faf6e93495307f27e99e9e4b9

Request headers

Referer
https://peltorator.ru/css/common.css
Origin
https://peltorator.ru
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/120.0.6099.109 Safari/537.36

Response headers

date
Tue, 19 Dec 2023 21:53:41 GMT
last-modified
Mon, 13 Sep 2021 14:20:28 GMT
server
nginx
accept-ranges
bytes
etag
"7158-5cbe12ab2e300"
content-length
29016
content-type
application/font-woff
MathJax_Zero.woff
cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/ 		1 KB
2 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/MathJax_Zero.woff
Requested by
Host: peltorator.ru
URL: https://peltorator.ru/posts/knuth_yao_optimization/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6810:5514 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
481e39042508ae313a60618af1e37146ab93e9324c98e4c78b8f17fe55d41e0b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://peltorator.ru/
Origin
https://peltorator.ru
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/120.0.6099.109 Safari/537.36

Response headers

date
Tue, 19 Dec 2023 21:53:41 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
8999
x-jsd-version
3.2.2
x-cache
HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
1368
x-served-by
cache-fra-eddf8230128-FRA
x-jsd-version-type
version
server
cloudflare
etag
W/"558-ZxLPCqXBLtwcu8qKFzKpzeCFTEg"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=tLj2D8a%2B43VDX30Gvw8XWV4dSitpnK9X7muUdoIR2VwcEM%2BBjT4y6vQFoQja04GxKoBD6GFjiC0HL2JhSfo2suJ2POEeMmpROaNexNG4V0j0fcnp5lSVH25l6SNqqxdAkGWt%2B%2Bs8Qult3FEPC28%3D"}],"group":"cf-nel","max_age":604800}
content-type
font/woff
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
timing-allow-origin
*
cf-ray
8382e138ec1d65c5-FRA
ef253ef29e2f057334f77ead7f06ed8f22607d38.wasm
tikzjax.com/ 		443 KB
444 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://tikzjax.com/ef253ef29e2f057334f77ead7f06ed8f22607d38.wasm
Requested by
Host: tikzjax.com
URL: https://tikzjax.com/v1/tikzjax.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
99.84.146.6 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-99-84-146-6.txl52.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
2735d1055ef617dbb1e84cdfa8eb5a9c05f50201a7aa8c06d44533166124fec6

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://peltorator.ru/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date
Tue, 19 Dec 2023 09:53:15 GMT
via
1.1 aec69d2871c7aeb74988020f07480fa4.cloudfront.net (CloudFront)
x-amz-cf-pop
TXL52-C1
age
43227
x-cache
Hit from cloudfront
content-length
453217
last-modified
Sat, 23 Feb 2019 04:36:22 GMT
server
AmazonS3
etag
"5c8c7c8dd539545e404a9b015791dfb7"
access-control-max-age
3000
access-control-allow-methods
HEAD, GET
content-type
application/octet-stream
access-control-allow-origin
*
vary
Origin,Access-Control-Request-Headers,Access-Control-Request-Method
accept-ranges
bytes
x-amz-cf-id
PnAgZSHsSMhhnFaKTz_ZhvGR9ULDtDTlbnJR9iyZDljVRpNIW2uYlg==
MathJax_Math-Italic.woff
cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/ 		19 KB
20 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/MathJax_Math-Italic.woff
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6810:5514 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a009bea404f7a500ded48f8b9ad9cf16e12504b3195dd9e25975289b8256b0f0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

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Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
tikzjax.com
URL
http://tikzjax.com/v1/fonts.css

Verdicts & Comments Add Verdict or Comment

4 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| documentPictureInPicture object| MathJax function| setImmediate function| clearImmediate

0 Cookies

1 Console Messages

Source Level URL
Text
security error URL: https://peltorator.ru/posts/knuth_yao_optimization/(Line 48)
Message:
Mixed Content: The page at 'https://peltorator.ru/posts/knuth_yao_optimization/' was loaded over HTTPS, but requested an insecure stylesheet 'http://tikzjax.com/v1/fonts.css'. This request has been blocked; the content must be served over HTTPS.