21nn.ru Нижегородский файловый портал - 21 Век Нижнего Новгорода - Главная страница - Скачать все бесплатно

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21nn.ru Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 04/20/2025

21nn.ru traffic estimate is about 226 unique visitors and 226 pageviews per day. The approximated value of 21nn.ru is 2,920 USD. Every unique visitor makes about 1 pageviews on average.

Alexa Traffic Rank estimates that 21nn.ru is ranked number 153,311 in the world.

21nn.ru server is located in Russian Federation, but, unfortunately, we cannot identify the countries where the visitors come from and thus it’s impossible to define if the distance can potentially affect the page load time. See the list of other websites hosted by TORAT Private Enterprise.

21nn.ru is registered under .RU top-level domain. Check other websites in .RU zone.

During the last check (July 20, 2024) 21nn.ru has an expired SSL certificate issued by Let's Encrypt (expired on September 03, 2024), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust 21nn.ru is pretty a safe domain.

21nn.ru General Information

21nn.ru Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors

21nn.ru Traffic Distribution

Where do visitors go on 21nn.ru?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews

21nn.ru Popularity

How popular is 21nn.ru?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	3051351	-5916718
past month	4007382	-1388888
past week	1861584	0

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	3906586	-5418632	700%	1	0%
30	4215235	-1224975	200%	1	0%
7	1888474	0	0%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	2671714	-6026741	1	700%
30	3850705	-1347253	6	200%
7	1788987	0	1	0%

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21nn.ru Safety Information

Rankchart Summary

Safe

Updated: 04/20/2025

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

Safe

Updated: 04/02/2025

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Safe

Updated: 06/04/2019

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

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

McAfee® WebAdvisor

Unknown

Updated: 02/27/2021

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McAfee assesses 21nn.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 21nn.ru for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is good

Updated: 01/11/2019

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The WOT calculates reputation of the 21nn.ru. This reputation system receives ratings from users and information from third-party sources, assesses the 21nn.ru for safety features and confirms, whether 21nn.ru is suitable for children.

21nn.ru SSL Information

Information about SSL/TLS certificates

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Domain	21nn.ru
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	06/05/2024
Expiration	09/03/2024
Signed	Certificate is not self signed
Additional Domains	21nn.ru www.21nn.ru

SSL Checker

21nn.ru Server Information

21nn.ru Server Location

Where website hosting server is located?

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21nn.ru ASN Information

Information about IP address owner

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ASN ID: 204601

ASN Title: TORAT Private Enterprise

Updated: 12/15/2024

Raw ASN data:

Geolocation

ASN Lookup

21nn.ru Domain Name Information

21nn.ru DNS Information

Domain name service records

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A
MX
NS
TXT
SOA

Host	A Record	TTL
21nn.ru	95.215.205.165	300

Host	MX Record	Priority	TTL
21nn.ru	mail.21nn.ru	10	300

Host	NS Record	TTL
21nn.ru	carol.ns.cloudflare.com	86400
21nn.ru	viddy.ns.cloudflare.com	86400

Host	TXT Record	TTL
21nn.ru	v=spf1 a mx ~all	300

21nn.ru Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

21nn.ru HTML Validation

21nn.ru W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.

“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.

Bad value “Page-Enter” for attribute “http-equiv” on element “meta”.

Bad value “Page-Exit” for attribute “http-equiv” on element “meta”.

Bad value “Site-Enter” for attribute “http-equiv” on element “meta”.

Bad value “Site-Exit” for attribute “http-equiv” on element “meta”.

Bad value “expires” for attribute “http-equiv” on element “meta”.

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

The “target” attribute on the “link” element is obsolete. You can safely omit it.

Bad value “vw96.object type” for attribute “http-equiv” on element “meta”.

CSS: “width”: only “0” can be a “unit”. You must put a unit after your number.

CSS: “height”: only “0” can be a “unit”. You must put a unit after your number.

CSS: “left”: only “0” can be a “unit”. You must put a unit after your number.

CSS: “top”: only “0” can be a “unit”. You must put a unit after your number.

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

Start tag “body” seen but an element of the same type was already open.

Cannot recover after last error. Any further errors will be ignored.

Warnings:

The “type” attribute is unnecessary for JavaScript resources.

The “type” attribute for the “style” element is not needed and should be omitted.

The “language” attribute on the “script” element is obsolete. You can safely omit it.

HTML Validator

21nn.ru Desktop Performance

How Well 21nn.ru Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

79%

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

Enable compression

Optimize images

Leverage browser caching

Updated: 05/17/2017

21nn.ru Mobile Performance

How Optimized Is 21nn.ru for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

60%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Size content to viewport

Updated: 04/30/2017

21nn.ru Nearest Competitors

Estimated Nearest Competitors Of 21nn.ru

writingtipsoasis.com
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bazzite.gg
aui.ma
21nn.ru
shvejnye.ru
muddyrivernews.com
ktrk.kg
domocvet.com
themindfool.com
notid.ru
edwardbetts.com
ifonlyuk.com
organisasi.email
0551gay.com
mahrezriyad-cz.biz

21nn.ru URL Typos

Most common user URL mistypes for 21nn.ru

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Total Resources	108
Number of Hosts	20
Static Resources	79
JavaScript Resources	15
CSS Resources	4

CSS	64.6 KBytes
Images	501.4 KBytes
HTML	157.3 KBytes
JavaScript	492.7 KBytes
Other	4.8 KBytes

Total Resources	34
Number of Hosts	8
Static Resources	22
JavaScript Resources	11
CSS Resources	5

CSS	54.3 KBytes
Images	72.6 KBytes
HTML	89.5 KBytes
JavaScript	459.4 KBytes
Other	1.5 KBytes