Openclass.ru Добро пожаловать в Открытый класс | Открытый класс

Openclass.ru Overview

Openclass.ru ranking shows that the page is at position 181,877 over the world, while the bulk of its audience is from Russian Federation, where it ranks 30,888.

It is beneficial to openclass.ru that their hosting company CLOUDFLARENET - Cloudflare, Inc., US 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 CLOUDFLARENET - Cloudflare, Inc., US servers.

In terms of rank-to-traffic ratio, openclass.ru has 3,357 unique users per day, viewing 4,058 pages. The rank based value of openclass.ru is 71,027 USD. Every user makes 1.29 pageviews on average.

Openclass.ru boasts a link base consisting of 517 referring domains and 669 external backlinks, as revealed by the data obtained from web network scanning.

Openclass.ru top-level domain belongs to .RU domain zone. Check other webpages in .RU zone.

According the last verification test in October 13, 2024, openclass.ru has an expired SSL certificate issued by Google Trust Services (expired on November 23, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Google Trust Services.

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

According the Mobile-Friendly test by Google openclass.ru is nice optimized for mobile devices and tablets.

Openclass.ru Rank Summary

Global Rank

181,877

Average Load Time

3.31sec

Links In Count

5,275

Website Value

$65,766

Audience Geography. Where are openclass.ru visitors located?

Country	Visitors
Russian Federation RU	61.1%
Kazakhstan KZ	4.6%
Ukraine UA	2.7%
Belarus BY	2.3%
Uzbekistan UZ	2.3%
Other	27%

Country	Pageviews
Russian Federation RU	65.5%
Kazakhstan KZ	4%
Uzbekistan UZ	2.9%
Ukraine UA	2.5%
Belarus BY	2.1%
Other	23%

Country	Rank
Uzbekistan UZ	23263
Kazakhstan KZ	26666
Russian Federation RU	30888
Belarus BY	38188
Ukraine UA	74702

Where do visitors go on openclass.ru?

Subdomain	Pageviews
openclass.ru	100%

Subdomain	Pageviews per User
openclass.ru	1.2

Subdomain	Reach
openclass.ru	100%

How popular is openclass.ru?

Period	Global Rank	Global Rank Delta
past 3 months	181877	92388
past month	361473	249218
past week	304546	-1280124
yesterday	140770	-1522

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	294680	146956	14	-58.301%	1.21	0.8%
30	582398	397193	6	-77.567%	1.2	-3.28%
7	471889	-1716916	8	900%	1.3	30%
1	223558	19255	23	-11.88%	1.2	-18%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	149805	78101	415	-58.603%
30	300281	209596	17	-76.9%
7	265685	-1059793	21	600%
1	118263	-21904	69	8%

Openclass.ru Website Safety

Overview

Last Updated: 11/23/2024

Overall result - openclass.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: 03/21/2024

openclass.ru is safe.

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

Google Safe Search

Last Updated: 10/15/2016

openclass.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

openclass.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: 02/22/2021

openclass.ru is safe.

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

Web of Trust

Last Updated: 01/09/2019

openclass.ru child safety is good.

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

SSL Information

SSL Checker Tool

Domain	openclass.ru
Issuer Organization	Google Trust Services
Issuer	WE1
Algorithm	ecdsa-with-SHA256
Valid form	08/25/2024
Expiration	11/23/2024
Signed	Certificate is not self signed
Additional Domains	openclass.ru *.openclass.ru

Openclass.ru Rank History

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

Openclass.ru Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 07/19/2024

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335

OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Openclass.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: OPENCLASS.RU
nserver: adrian.ns.cloudflare.com.
nserver: pablo.ns.cloudflare.com.
state: REGISTERED, DELEGATED, VERIFIED
person: Private Person
registrar: SALENAMES-RU
admin-contact: https://partner.salenames.ru/contact_admin.khtml
created: 2022-07-19T14:07:33Z
paid-till: 2025-07-19T14:07:33Z
free-date: 2025-08-19
source: TCI

Last updated on 2024-09-18T03:21:31Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
openclass.ru	193.164.194.45	3600

Host	MX Record	Priority	TTL

Host	NS Record	TTL
openclass.ru	ns4-l2.nic.ru	3600
openclass.ru	ns8-l2.nic.ru	3600
openclass.ru	ns4-cloud.nic.ru	3600
openclass.ru	ns8-cloud.nic.ru	3600
openclass.ru	ns3-l2.nic.ru	3600

Host	TXT Record	TTL

ns3-l2.nic.ru
TTL: 3600
Email address: dns.nic.ru
Serial: 2018051403
Refresh: 1440
Retry: 3600
Expire: 2592000
Minimum: 600

Openclass.ru HTML Check

HTML Validation Tool

Errors

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

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

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

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

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

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

Element “center” not allowed as child of element “b” in this context. (Suppressing further errors from this subtree.)

The “center” element is obsolete. Use CSS instead.

Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.

Duplicate ID “edit-body-wrapper”.

Duplicate ID “menu-5307”.

Element “noindex” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

The “font” element is obsolete. Use CSS instead.

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

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

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

Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.

Bad value “9px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.

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

Element “table” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

End tag “div” seen, but there were open elements.

Unclosed element “span”.

Stray end tag “span”.

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

Warnings

The first occurrence of ID “edit-body-wrapper” was here.

The first occurrence of ID “menu-5307” was here.

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

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

Empty heading.

Openclass.ru Desktop Performance

Last tested: 10/14/2016

Desktop Speed

70%

Leverage browser caching

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

Enable compression

Optimize images

Minify CSS

Minify JavaScript

Desktop Resource Breakdown

Total Resources	92
Number of Hosts	10
Static Resources	80
JavaScript Resources	21
CSS Resources	31

Openclass.ru Mobile Insights

Last tested: 01/21/2018

Mobile Usability

63%

Use legible font sizes

Configure the viewport

Size tap targets appropriately

Size content to viewport

Mobile Speed

62%

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

Leverage browser caching

Enable compression

Optimize images

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	50
Number of Hosts	10
Static Resources	39
JavaScript Resources	7
CSS Resources	3

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Openclass.ru Добро пожаловать в Открытый класс | Открытый класс

Openclass.ru Overview

Openclass.ru Rank Summary

Openclass.ru Website Safety

Openclass.ru Rank History

Openclass.ru Hosting Information

Openclass.ru Domain Registration and Settings

Openclass.ru HTML Check

Openclass.ru Desktop Performance

Openclass.ru Mobile Insights

Openclass.ru Similar Audits

Openclass.ru Common Typos