Kot.sh Кот Шрёдингера

Научно-популярный журнал для школьников, студентов и всех, кому интересна наука

Kot.sh Overview

Kot.sh ranking shows that the page is at position 932,661 over the world, while the bulk of its audience is from Russian Federation, where it ranks 97,962.

It is beneficial to kot.sh that their hosting company DDOS-GUARD LTD servers are located in Russian Federation, as that reduces page load time for the majority of their users. See the list of other webpages hosted on DDOS-GUARD LTD servers.

In terms of rank-to-traffic ratio, kot.sh has 606 unique users per day, viewing 795 pages. The rank based value of kot.sh is 6,314 USD. Every user makes 1.39 pageviews on average.

Kot.sh boasts a link base consisting of 226 referring domains and 246 external backlinks, as revealed by the data obtained from web network scanning.

Kot.sh top-level domain belongs to .SH domain zone. Check other webpages in .SH zone.

According the last verification test in July 12, 2024, kot.sh has an expired SSL certificate issued by Let's Encrypt (expired on October 01, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust kot.sh is a fairly safe domain.

According the Mobile-Friendly test by Google kot.sh is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Kot.sh Rank Summary

Global Rank

932,661

Average Load Time

0.81sec

Links In Count

206

Website Value

$5,846

Audience Geography. Where are kot.sh visitors located?

Country	Visitors
Russian Federation RU	90%
Other	9.1%

Country	Pageviews
Russian Federation RU	90.4%
Other	8.8%

Country	Rank
Russian Federation RU	97962

Where do visitors go on kot.sh?

Subdomain	Pageviews
kot.sh	100%

Subdomain	Pageviews per User
kot.sh	1

Subdomain	Reach
kot.sh	100%

How popular is kot.sh?

Period	Global Rank	Global Rank Delta
past 3 months	932661	434418
past month	1767079	858847
past week	1611843	-36209
yesterday	566311	-220762

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1309233	563439	2	-52.769%	1.3	4%
30	2269310	1032179	1	-62.987%	1	-24.09%
7	1750491	-51534	1	0%	1	0%
1	606880	-191586	2	100%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	817450	391421	51	-54.603%
30	1547624	743103	26	-51.111%
7	1483244	-16576	2	0%
1	521222	-261785	9	100%

Kot.sh Website Safety

Overview

Last Updated: 11/30/2024

Overall result - kot.sh is safe.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 03/28/2024

kot.sh is safe.

Norton ConnectSafe evaluates kot.sh for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 04/06/2019

kot.sh is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

kot.sh is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 02/27/2021

kot.sh is safe.

McAfee assesses kot.sh for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze kot.sh for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

kot.sh child safety is very good.

The WOT calculates reputation of the kot.sh. This reputation system receives ratings from users and information from third-party sources, assesses the kot.sh for safety features and confirms, whether kot.sh is suitable for children.

SSL Information

SSL Checker Tool

Domain	kot.sh
Issuer Organization	Let's Encrypt
Issuer	R10
Algorithm	RSA-SHA256
Valid form	07/03/2024
Expiration	10/01/2024
Signed	Certificate is not self signed
Additional Domains	kot.sh www.kot.sh

Kot.sh Rank History

Alexa Rank shows how popular kot.sh is in comparison with other sites. The most popular site has Alexa Rank equals 1. If kot.sh has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to kot.sh and pageviews on kot.sh over the past 3 months.

Kot.sh Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 57724

ASN Title: DDOS-GUARD LTD

Last Update: 11/08/2024

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf

% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.

% Information related to 'AS56320 - AS58367'

as-block: AS56320 - AS58367
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2015-09-30T14:19:22Z
last-modified: 2015-09-30T14:19:22Z
source: RIPE

% Information related to 'AS57724'

% Abuse contact for 'AS57724' is 'abuse@ddos-guard.net'

aut-num: AS57724
as-name: DDOS-GUARD
org: ORG-DL236-RIPE
remarks: ======================================================
remarks: Upstreams
remarks: ======================================================
import: from AS9002 accept ANY
export: to AS9002 announce AS-DDOS-GUARD
import: from AS20485 accept ANY
export: to AS20485 announce AS-DDOS-GUARD
import: from AS3257 accept ANY
export: to AS3257 announce AS-DDOS-GUARD
import: from AS12389 accept ANY
export: to AS12389 announce AS-DDOS-GUARD
import: from AS41095 accept ANY
export: to AS41095 announce AS-DDOS-GUARD
import: from AS200590 accept ANY
export: to AS200590 announce AS-ALM-KTP
import: from AS43994 accept ANY
export: to AS43994 announce AS-ALM-KTP
remarks: ===================================================
remarks: Peers
remarks: ===================================================
import: from AS13238 accept AS-YANDEX
export: to AS13238 announce AS-DDOS-GUARD
import: from AS15169 accept AS-GOOGLE
export: to AS15169 announce AS-DDOS-GUARD
import: from AS13335 accept AS-CLOUDFLARE
export: to AS13335 announce AS-DDOS-GUARD
import: from AS8631 accept AS-MSKROUTESERVER
export: to AS8631 announce AS-DDOS-GUARD
import: from AS50952 accept ANY
export: to AS50952 announce AS-DDOS-GUARD
import: from AS3267 accept AS-RUNNET
export: to AS3267 announce AS-DDOS-GUARD
import: from AS42632 accept AS-MNOGOBYTE
export: to AS42632 announce AS-DDOS-GUARD
import: from AS12714 accept AS-TI
export: to AS12714 announce AS-DDOS-GUARD
import: from AS29226 accept AS-MASTERTEL
export: to AS29226 announce AS-DDOS-GUARD
import: from AS34307 accept ANY
export: to AS34307 announce AS-DDOS-GUARD
import: from AS1200 accept AS1200
export: to AS1200 announce AS-DDOS-GUARD
import: from AS6695 accept ANY
export: to AS6695 announce AS-DDOS-GUARD
import: from AS61955 accept AS-COLOCATIONIX
export: to AS61955 announce AS-DDOS-GUARD
import: from AS31500 accept ANY
export: to AS31500 announce AS-DDOS-GUARD
remarks: ===================================================
remarks: Community for blackhole traffic
remarks: 57724:666 - blackhole traffic
remarks: ===================================================
admin-c: NOC212-RIPE
tech-c: NA5088-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: ru-llcddos-guard-1-mnt
mnt-by: DDOS-GUARD-MNT1
mnt-by: DDOS-GUARD-MNT3
mnt-routes: ru-llcddos-guard-1-mnt
mnt-routes: DDOS-GUARD-MNT
mnt-routes: DDOS-GUARD-MNT3
created: 2015-12-01T16:40:37Z
last-modified: 2018-05-15T09:20:05Z
source: RIPE

organisation: ORG-DL236-RIPE
org-name: DDOS-GUARD LTD
org-type: LIR
address: Budennovskiy st. 62/2, floor 8
address: 344010
address: Rostov-on-Don
address: RUSSIAN FEDERATION
admin-c: NOC212-RIPE
tech-c: NOC212-RIPE
abuse-c: AR34495-RIPE
mnt-ref: ru-llcddos-guard-1-mnt
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: ru-llcddos-guard-1-mnt
created: 2015-11-30T12:56:53Z
last-modified: 2018-01-16T11:28:49Z
source: RIPE # Filtered
phone: +74952150387

role: NOC
address: DDOS-GUARD LTD
address: Budennovskiy st. 62/2, floor 8
address: 344000
address: Rostov-on-Don
address: RUSSIAN FEDERATION
phone: +74952150387
nic-hdl: NA5088-RIPE
mnt-by: ru-llcddos-guard-1-mnt
created: 2015-12-01T13:50:33Z
last-modified: 2016-09-08T08:33:07Z
source: RIPE # Filtered

person: Alexey Kuzik
address: DDOS-GUARD LTD
address: Budennovskiy st. 62/2, floor 8
address: 344000
address: Rostov-on-Don
address: RUSSIAN FEDERATION
phone: +74952150387
nic-hdl: NOC212-RIPE
mnt-by: ru-llcddos-guard-1-mnt
created: 2015-11-30T12:56:52Z
last-modified: 2016-08-29T15:37:53Z
source: RIPE

% This query was served by the RIPE Database Query Service version 1.91.2 (HEREFORD)

Kot.sh Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: kot.sh
Registry Domain ID: 363472bee08a4a18b6b45731dc6c7425-DONUTS
Registrar WHOIS Server: www.nic.ru/whois/en/
Registrar URL: https://www.nic.ru/en/
Updated Date: 2021-11-20T19:43:07Z
Creation Date: 2014-11-05T08:09:56Z
Registry Expiry Date: 2022-11-05T08:09:56Z
Registrar: Regional Network Information Center, JSC dba RU-CENTER
Registrar IANA ID: 463
Registrar Abuse Contact Email: tld-abuse@nic.ru
Registrar Abuse Contact Phone: +7.4957370601
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Limited Liability Company (LLC) "Organizing Commitee of Science Festival"
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Moskva
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: RU
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns1.festivalnauki.ru
Name Server: ns2.festivalnauki.ru
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2021-12-16T23:50:15Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
kot.sh	185.215.4.16	300

Host	MX Record	Priority	TTL
kot.sh	mail.kot.sh	20	300
kot.sh	mail.kot.sh	10	300

Host	NS Record	TTL
kot.sh	ns1.festivalnauki.ru
kot.sh	ns2.festivalnauki.ru

Host	TXT Record	TTL
kot.sh	v=spf1 ip4:188.44.51.51 a mx ~all	300

festivalnauki.ru
TTL: 300
Email address: root.example.com
Serial: 2020110916
Refresh: 300
Retry: 300
Expire: 604800
Minimum: 86400

Kot.sh HTML Check

HTML Validation Tool

Errors

Legacy doctype. Expected “<!DOCTYPE html>”.

Attribute “xmlns:og” not allowed here.

Attribute “xmlns:article” not allowed here.

Attribute “xmlns:book” not allowed here.

Attribute “xmlns:profile” not allowed here.

Attribute “xmlns:video” not allowed here.

Attribute “xmlns:product” not allowed here.

Attribute “xmlns:content” not allowed here.

Attribute “xmlns:dc” not allowed here.

Attribute “xmlns:foaf” not allowed here.

Attribute “xmlns:rdfs” not allowed here.

Attribute “xmlns:sioc” not allowed here.

Attribute “xmlns:sioct” not allowed here.

Attribute “xmlns:skos” not allowed here.

Attribute “xmlns:xsd” not allowed here.

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

The “version” attribute on the “html” element is obsolete. You can safely omit it.

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

A “charset” attribute on a “meta” element found after the first 1024 bytes.

A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.

Duplicate attribute “class”.

Attribute “about” not allowed on element “div” at this point.

Attribute “rel” not allowed on element “div” at this point.

Attribute “content” not allowed on element “span” at this point.

Attribute “datatype” not allowed on element “span” at this point.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Warnings

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

Attribute with the local name “xmlns:article” is not serializable as XML 1.0.

Attribute with the local name “xmlns:book” is not serializable as XML 1.0.

Attribute with the local name “xmlns:profile” is not serializable as XML 1.0.

Attribute with the local name “xmlns:video” is not serializable as XML 1.0.

Attribute with the local name “xmlns:product” is not serializable as XML 1.0.

Attribute with the local name “xmlns:content” is not serializable as XML 1.0.

Attribute with the local name “xmlns:dc” is not serializable as XML 1.0.

Attribute with the local name “xmlns:foaf” is not serializable as XML 1.0.

Attribute with the local name “xmlns:rdfs” is not serializable as XML 1.0.

Attribute with the local name “xmlns:sioc” is not serializable as XML 1.0.

Attribute with the local name “xmlns:sioct” is not serializable as XML 1.0.

Attribute with the local name “xmlns:skos” is not serializable as XML 1.0.

Attribute with the local name “xmlns:xsd” is not serializable as XML 1.0.

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

Kot.sh Desktop Performance

Last tested: 08/24/2019

Desktop Speed

82%

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Leverage browser caching

Optimize images

Reduce server response time

Minify JavaScript

Minify CSS

Minify HTML

Desktop Resource Breakdown

Total Resources	57
Number of Hosts	5
Static Resources	12
JavaScript Resources	6
CSS Resources	18

Kot.sh Mobile Insights

Last tested: 04/19/2017

Mobile Usability

98%

Size tap targets appropriately

Mobile Speed

52%

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Optimize images

Enable compression

Leverage browser caching

Minify JavaScript

Minify CSS

Minify HTML

Mobile Resource Breakdown

Total Resources	56
Number of Hosts	5
Static Resources	15
JavaScript Resources	6
CSS Resources	17

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