Keldysh.ru ИПМ им.М.В.Келдыша РАН

Keldysh.ru Overview

Website Overview: keldysh.ru

Name: keldysh.ru

Title: ИПМ им.М.В.Келдыша РАН

Top Level Domain: .RU

keldysh.ru is a website representing the ИПМ им.М.В.Келдыша РАН (Institute for Problems of Mechanics named after M. V. Keldysh) of the Russian Academy of Sciences. The website caters to a diverse range of users, providing information and resources related to the institute's research and activities.

The website attracts a significant number of visitors with 2120 unique users per day. These users generate an average of 2756 page views, indicating a decent level of engagement with the website's content. The estimated value of the site is valued at 52560 US dollars, suggesting its importance and influence in the scientific community.

keldysh.ru is hosted by the Joint-stock company "Internet Exchange "MSK-IX hosting," which ensures reliable and efficient access to the website. The use of the .RU domain indicates that the site primarily targets users within Russia.

The SSL certificate of the website is issued by GlobalSign nv-sa, ensuring secure communication between the users and the site. This helps in safeguarding sensitive information and protecting user privacy.

In terms of content, it is essential to analyze if the website is family-friendly. Unfortunately, the provided information does not clarify the nature of the content available on keldysh.ru. However, being associated with a respected academic institution, it is likely that the content is primarily educational and research-oriented, making it suitable for users of all ages.

PageSpeed Insights scores the speed of the website as 72, which indicates decent performance. This score reflects the loading time and overall user experience on the site. A higher score would represent better optimization and faster loading times.

Furthermore, keldysh.ru has a notable number of external backlinks (1285) and referring domains (1077). This indicates that other websites find the content on keldysh.ru valuable enough to link to it. Such backlinks and referring domains contribute to the credibility and authority of the website.

In summary, keldysh.ru is a valuable resource for users interested in the activities and research of the Institute for Problems of Mechanics named after M. V. Keldysh. With a significant number of daily users, a respectable page

Keldysh.ru Rank Summary

Global Rank

249,647

Average Load Time

0.00sec

Links In Count

1,560

Website Value

$52,613

Audience Geography. Where are keldysh.ru visitors located?

Country	Visitors
Russian Federation RU	54.1%
Kazakhstan KZ	4.5%
Azerbaijan AZ	3.8%
Ukraine UA	3.3%
Uzbekistan UZ	2.7%
Belarus BY	2.5%
Other	29.4%

Country	Pageviews
Russian Federation RU	58.7%
Kazakhstan KZ	4.3%
Azerbaijan AZ	4.2%
Ukraine UA	3.2%
Uzbekistan UZ	2.5%
Belarus BY	2.4%
Other	24.6%

Country	Rank
Uzbekistan UZ	15311
Kazakhstan KZ	17615
Russian Federation RU	22856
Belarus BY	23545
Azerbaijan AZ	32224
Ukraine UA	43741

Where do visitors go on keldysh.ru?

Subdomain	Pageviews
schools.keldysh.ru	64.61%
keldysh.ru	27.25%
dvmh.keldysh.ru	4.18%
textbook.keldysh.ru	1.91%
library.keldysh.ru	1.63%
other	0.43%

Subdomain	Pageviews per User
dvmh.keldysh.ru	6.2
library.keldysh.ru	2
textbook.keldysh.ru	1.3
keldysh.ru	1.2
schools.keldysh.ru	1.1

Subdomain	Reach
schools.keldysh.ru	69.97%
keldysh.ru	26.9%
textbook.keldysh.ru	1.78%
library.keldysh.ru	0.93%
dvmh.keldysh.ru	0.85%

How popular is keldysh.ru?

Period	Global Rank	Global Rank Delta
past 3 months	249647	-170761
past month	244078	12177
past week	282920	33464
yesterday	325196	97696

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	394058	-236917	9	90%	1.3	-5.303%
30	398352	35359	9	-10.63%	1.2	-8.397%
7	444446	27177	8	-9.864%	1.3	10%
1	502530	136263	8	-20.91%	1.3	20%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	209425	-152066	28	100%
30	202458	4738	29	-2.31%
7	247343	40318	23	-19.29%
1	285785	95700	23	-32.01%

Keldysh.ru Website Safety

Overview

Last Updated: 12/26/2024

Overall result - keldysh.ru 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: 03/25/2024

keldysh.ru is safe.

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

Google Safe Search

Last Updated: 11/12/2016

keldysh.ru 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

keldysh.ru 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: 02/25/2021

keldysh.ru is safe.

McAfee assesses keldysh.ru 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 keldysh.ru for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

keldysh.ru child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	www.keldysh.ru
Issuer Organization	Let's Encrypt
Issuer	R11
Algorithm	RSA-SHA256
Valid form	08/13/2024
Expiration	11/11/2024
Signed	Certificate is not self signed
Additional Domains	keldysh.ru www.keldysh.ru

Keldysh.ru Rank History

Alexa Rank shows how popular keldysh.ru is in comparison with other sites. The most popular site has Alexa Rank equals 1. If keldysh.ru 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 keldysh.ru and pageviews on keldysh.ru over the past 3 months.

Keldysh.ru Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 8985

ASN Title: Joint-stock company "Internet Exchange "MSK-IX

Last Update: 07/29/2024

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created: 2018-11-22T15:27:23Z
last-modified: 2018-11-22T15:27:23Z
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% Information related to 'AS8985'

% Abuse contact for 'AS8985' is 'ip-box@ripn.net'

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Keldysh.ru Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

% TCI Whois Service. Terms of use:
% https://tcinet.ru/documents/whois_ru_rf.pdf (in Russian)
% https://tcinet.ru/documents/whois_su.pdf (in Russian)

domain: KELDYSH.RU
nserver: n231.keldysh.ru. 195.209.147.231
nserver: ns.relarn.ru.
nserver: spp.keldysh.ru. 194.226.57.61
state: REGISTERED, DELEGATED, VERIFIED
org: Keldysh Institute of Applied Mathematics of Russian Academy of Sciences
taxpayer-id: 7710063939
registrar: RU-CENTER-RU
admin-contact: https://www.nic.ru/whois
created: 1997-10-01T07:02:27Z
paid-till: 2024-10-31T21:00:00Z
free-date: 2024-12-02
source: TCI

Last updated on 2024-10-08T15:06:31Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
keldysh.ru	195.209.147.217	86400

Host	MX Record	Priority	TTL
keldysh.ru	spp.keldysh.ru	10	86400

Host	NS Record	TTL
keldysh.ru	ns.relarn.ru	86400
keldysh.ru	spp.keldysh.ru	86400

Host	TXT Record	TTL
keldysh.ru	v=spf1 +a +mx ip4:194.226.57.60 ip4:195.209.147.231 ?all	86400

spp.keldysh.ru
TTL: 86400
Email address: root.spp.keldysh.ru
Serial: 298
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 86400

Keldysh.ru HTML Check

HTML Validation Tool

Errors

Malformed byte sequence: “c8”.

Malformed byte sequence: “cf”.

Malformed byte sequence: “cc”.

Malformed byte sequence: “e8”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “c2”.

Malformed byte sequence: “ca”.

Malformed byte sequence: “e5”.

Malformed byte sequence: “eb”.

Malformed byte sequence: “e4”.

Malformed byte sequence: “fb”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “e0”.

Malformed byte sequence: “d0”.

Malformed byte sequence: “c0”.

Malformed byte sequence: “cd”.

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Internal encoding declaration “windows-1251” disagrees with the actual encoding of the document (“utf-8”).

Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.

Malformed byte sequence: “dd”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “ed”.

Malformed byte sequence: “f1”.

Malformed byte sequence: “f2”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “ef”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “ea”.

Malformed byte sequence: “ee”.

Malformed byte sequence: “e9”.

The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

The “border” attribute on the “table” element is obsolete. Use CSS instead.

The “align” attribute on the “td” element is obsolete. Use CSS instead.

The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.

The “width” attribute on the “table” element is obsolete. Use CSS instead.

The “width” attribute on the “td” element is obsolete. Use CSS instead.

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

Malformed byte sequence: “fc”.

Malformed byte sequence: “ff”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “ce”.

Malformed byte sequence: “c4”.

Malformed byte sequence: “d3”.

Malformed byte sequence: “f7”.

Malformed byte sequence: “d1”.

Malformed byte sequence: “e2”.

Malformed byte sequence: “fa”.

Malformed byte sequence: “e7”.

Malformed byte sequence: “f4”.

Malformed byte sequence: “f5”.

Malformed byte sequence: “e6”.

Malformed byte sequence: “e3”.

Malformed byte sequence: “fe”.

Malformed byte sequence: “c1”.

Malformed byte sequence: “f9”.

Malformed byte sequence: “c7”.

Warnings

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

NON-DOCUMENT-ERROR

Too many messages.

Keldysh.ru Desktop Performance

Last tested: 09/07/2015

Desktop Speed

80%

Leverage browser caching

Optimize images

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

Enable compression

Minify HTML

Desktop Resource Breakdown

Total Resources	37
Number of Hosts	2
Static Resources	34
CSS Resources	1

Keldysh.ru Mobile Insights

Last tested: 06/20/2019

Mobile Usability

60%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Mobile Speed

72%

Leverage browser caching

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

Enable compression

Optimize images

Minify HTML

Minify CSS

Mobile Resource Breakdown

Total Resources	38
Number of Hosts	1
Static Resources	35
CSS Resources	1

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Keldysh.ru ИПМ им.М.В.Келдыша РАН

Keldysh.ru Overview

Keldysh.ru Rank Summary

Keldysh.ru Website Safety

Keldysh.ru Rank History

Keldysh.ru Hosting Information

Keldysh.ru Domain Registration and Settings

Keldysh.ru HTML Check

Keldysh.ru Desktop Performance

Keldysh.ru Mobile Insights

Keldysh.ru Similar Audits

Keldysh.ru Common Typos