Tetrika-school.ru Онлайн-школа Тетрика — подготовка к ЕГЭ, ОГЭ, ВПР и олимпиадам с репетитором

Онлайн-занятия по школьным предметам, подготовка к ЕГЭ, ОГЭ, ВПР и олимпиадам. Репетиторы школы Тетрика помогут подтянуть школьные предметы, улучшить ...

Tetrika-school.ru Overview

Tetrika-school.ru belongs to AO Infolika. Check the list of other websites hosted by AO Infolika.

In terms of rank-to-traffic ratio, tetrika-school.ru has 4,661 unique users per day, viewing 14,110 pages. The rank based value of tetrika-school.ru is 15,163 USD. Every user makes 3.24 pageviews on average.

Tetrika-school.ru boasts a link base consisting of 519 referring domains and 578 external backlinks, as revealed by the data obtained from web network scanning.

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

According the last verification test in October 08, 2024, tetrika-school.ru has an expired SSL certificate issued by Google Trust Services (expired on December 29, 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 and Symantec tetrika-school.ru is a fairly safe domain.

Based on Mobile-Friendly test by Google tetrika-school.ru is poorly optimized for mobile phones and tablets. Remember that optimizing your website design for mobile devices ensures that all of your web pages perform well on all devices, page loading speed can also be accelerated.

Tetrika-school.ru Website Safety

Overview

Last Updated: 10/05/2025

Unknown status.

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: 11/08/2024

tetrika-school.ru is safe.

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

Google Safe Search

Last Updated: 10/05/2025

Not yet checked.

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: 03/26/2019

tetrika-school.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: 10/02/2020

tetrika-school.ru is safe.

McAfee assesses tetrika-school.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 tetrika-school.ru for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 10/05/2025

tetrika-school.ru child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	tetrika-school.ru
Issuer Organization	Google Trust Services
Issuer	WE1
Algorithm	ecdsa-with-SHA256
Valid form	09/30/2024
Expiration	12/29/2024
Signed	Certificate is not self signed
Additional Domains	tetrika-school.ru *.tetrika-school.ru

Tetrika-school.ru Rank History

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

Tetrika-school.ru Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 201706

ASN Title: AO Infolika

Last Update: 09/24/2025

% 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 'AS196608 - AS207259'

as-block: AS196608 - AS207259
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: 2016-09-08T07:26:53Z
last-modified: 2016-09-08T07:26:53Z
source: RIPE

% Information related to 'AS201706'

% Abuse contact for 'AS201706' is 'vmironov@servicepipe.ru'

aut-num: AS201706
as-name: AS-SERVICEPIPE
org: ORG-AI107-RIPE
import: from AS9002 accept ANY
export: to AS9002 announce AS-SERVICEPIPE
import: from AS9049 accept ANY
export: to AS9049 announce AS-SERVICEPIPE
admin-c: SG13625-RIPE
tech-c: SG13625-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: ru-infolika-1-mnt
mnt-routes: ru-infolika-1-mnt
created: 2014-08-07T10:43:44Z
last-modified: 2017-01-17T08:49:10Z
source: RIPE

organisation: ORG-AI107-RIPE
org-name: AO Infolika
org-type: LIR
address: Dmitrija Uljanova 31
address: 117447
address: Moscow
address: RUSSIAN FEDERATION
admin-c: SG13625-RIPE
tech-c: SG13625-RIPE
abuse-c: AR33853-RIPE
mnt-ref: ru-infolika-1-mnt
mnt-by: RIPE-NCC-HM-MNT
mnt-by: ru-infolika-1-mnt
mnt-ref: RIPE-NCC-HM-MNT
created: 2015-10-14T13:36:01Z
last-modified: 2016-10-03T12:10:59Z
source: RIPE # Filtered
phone: +74953749729

person: Sergey Gomorov
address: Dmitrija Uljanova 31
address: 117447
address: Moscow
address: RUSSIAN FEDERATION
phone: +74953749729
nic-hdl: SG13625-RIPE
mnt-by: ru-infolika-1-mnt
created: 2015-10-14T13:36:00Z
last-modified: 2015-10-14T13:36:01Z
source: RIPE

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

Tetrika-school.ru Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

% By submitting a query to TCI's Whois Service
% you agree to abide by the following terms of use:
% https://www.tcinet.ru/documents/whois.pdf (in Russian)

domain: TETRIKA-SCHOOL.RU
nserver: kay.ns.cloudflare.com.
nserver: norman.ns.cloudflare.com.
state: REGISTERED, DELEGATED, UNVERIFIED
org: PREPREP.RU, LLC
registrar: REGRU-RU
admin-contact: http://www.reg.ru/whois/admin_contact
created: 2018-11-26T10:30:24Z
paid-till: 2022-11-26T10:30:24Z
free-date: 2022-12-27
source: TCI

Last updated on 2022-08-10T20:16:30Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Tetrika-school.ru HTML Check

HTML Validation Tool

Errors

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.

Bad value “x-dns-prefetch-control” for attribute “http-equiv” on element “meta”.

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

Attribute “imgfield” not allowed on element “img” at this point.

Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.

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

Element “img” is missing required attribute “src”.

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

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

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

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

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

Bad value “butt” for attribute “stroke-linejoin” on element “polyline”.

Attribute “field” not allowed on element “h3” at this point.

Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)

The “itemprop” attribute was specified, but the element is not a property of any item.

Warnings

The “charset” attribute on the “script” element is obsolete.

The “type” attribute is unnecessary for JavaScript resources.

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

Attribute “;” is not serializable as XML 1.0.

Attribute “fields_str+” is not serializable as XML 1.0.

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

The “form” role is unnecessary for element “form”.

Empty heading.

This document appears to be written in Russian. Consider adding “lang="ru"” (or variant) to the “html” start tag.

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Tetrika-school.ru Онлайн-школа Тетрика — подготовка к ЕГЭ, ОГЭ, ВПР и олимпиадам с репетитором

Онлайн-занятия по школьным предметам, подготовка к ЕГЭ, ОГЭ, ВПР и олимпиадам. Репетиторы школы Тетрика помогут подтянуть школьные предметы, улучшить ...

Tetrika-school.ru Overview

Tetrika-school.ru Website Safety

Tetrika-school.ru Rank History

Tetrika-school.ru Hosting Information

Tetrika-school.ru Domain Registration and Settings

Tetrika-school.ru HTML Check

Tetrika-school.ru Similar Audits

Tetrika-school.ru Common Typos