Yotsuyaotsuka.com 中学受験塾｜四谷大塚ドットコム｜でてこい、未来のリーダーたち。

中学受験塾の四谷大塚。全国統一小学生テストの主催や中学受験の定番テキスト予習シリーズの紹介や正確な合否判定を行う合不合判定テストの紹介。最新の中学入試情報や開成、桜蔭などの中学入試過去問、中学校案内など中学受験情報を提供。

Yotsuyaotsuka.com Overview

Yotsuyaotsuka.com is a website that focuses on providing information and resources related to middle school entrance exams in Japan. The website is owned and operated by the company, Yotsuya Otsuka, and it serves as a central hub for students and parents looking for guidance and support throughout the entrance exam process.

The website's title, "中学受験塾｜四谷大塚ドットコム｜でてこい、未来のリーダーたち。" translates to "Middle School Entrance Exam Cram School | Yotsuya Otsuka Dot Com | Come Out, Future Leaders." This title accurately represents the purpose of the website, which is to help students prepare for and succeed in middle school entrance exams.

The description of the website further explains the services and resources offered. It mentions that Yotsuya Otsuka hosts the nationwide unified elementary school test and introduces a series of textbooks for exam preparation. The website also offers an assessment test to accurately determine students' pass or fail status. Additionally, the website provides the latest information on middle school entrance exams, including past exam questions from prestigious schools like Kaio Academy and Sakuragaoka Junior High School.

Yotsuyaotsuka.com receives a decent amount of traffic with 1365 unique users per day and 4914 pageviews. The estimated value of the site is 87600 US dollars, indicating its popularity and potential for generating revenue through advertisements or premium content.

The website is hosted by KVH Co., Ltd, a hosting company based in Japan. The Top Level Domain (TLD) for the site is .COM, which suggests a global reach and audience.

Concerning security, yotsuyaotsuka.com has an SSL certificate issued by SECOM Trust Systems CO., LTD., ensuring secure browsing and data transmission between the user's browser and the server.

It is difficult to ascertain if the site is family-friendly based solely on the given information. However, considering that the site is primarily focused on providing educational resources and support for middle school entrance exams, it is likely to be appropriate for parents and students.

In terms of performance, yotsuyaotsuka.com has a PageSpeed Insights score of 33 out of 100, which suggests that the website may have some optimization issues and could benefit from improvements to enhance its loading speed and overall user experience.

The website also has a significant number of external backlinks (1272) and

Yotsuyaotsuka.com Rank Summary

Global Rank

134,903

Average Load Time

0.54sec

Links In Count

408

Website Value

$87,688

Audience Geography. Where are yotsuyaotsuka.com visitors located?

Country	Visitors
Japan JP	100%

Country	Pageviews
Japan JP	100%

Country	Rank
Japan JP	8592

Where do visitors go on yotsuyaotsuka.com?

Subdomain	Pageviews
yotsuyaotsuka.com	100%

Subdomain	Pageviews per User
yotsuyaotsuka.com	4.2

Subdomain	Reach
yotsuyaotsuka.com	100%

How popular is yotsuyaotsuka.com?

Period	Global Rank	Global Rank Delta
past 3 months	134903	-6401
past month	106324	-25779
past week	67404	-34496
yesterday	33856	-23049

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	125925	-8578	41	10%	3.6	6%
30	91259	-36697	62	60%	4.2	20%
7	62742	8199	1	-13.45%	4	-57.272%
1	27326	-30868	27	100%	5	40%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	148522	-5080	42	4%
30	120887	-22661	55	30%
7	74925	-60881	10	100%
1	40483	-22664	20	60%

Yotsuyaotsuka.com Website Safety

Overview

Last Updated: 12/26/2024

Overall result - yotsuyaotsuka.com 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: 03/24/2024

yotsuyaotsuka.com is safe.

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

Google Safe Search

Last Updated: 02/12/2019

yotsuyaotsuka.com 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

yotsuyaotsuka.com 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: 02/23/2021

yotsuyaotsuka.com is safe.

McAfee assesses yotsuyaotsuka.com 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 yotsuyaotsuka.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

yotsuyaotsuka.com child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	www.yotsuyaotsuka.com
Issuer Organization	SECOM Trust Systems CO.,LTD.
Issuer	SECOM Passport for Web SR 3.0 CA
Algorithm	RSA-SHA256
Valid form	08/13/2020
Expiration	10/11/2022
Signed	Certificate is not self signed
Additional Domains	www.yotsuyaotsuka.com

Yotsuyaotsuka.com Rank History

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

Yotsuyaotsuka.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 10021

ASN Title: KVH KVH Co.,Ltd, JP

Last Update: 07/19/2024

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS9216 - AS10239'

as-block: AS9216 - AS10239
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-05-19T07:00:23Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS9990 - AS10021'

as-block: AS9990 - AS10021
descr: JPNIC-2Byte-ASBLOCK-AP
descr: for assignment to JPNIC members
country: JP
admin-c: JNIC1-AP
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remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can be
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last-modified: 2017-06-12T03:54:30Z
source: APNIC

role: Japan Network Information Center
address: Urbannet-Kanda Bldg 4F
address: 3-6-2 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047,Japan
country: JP
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
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tech-c: JE53-AP
nic-hdl: JNIC1-AP
mnt-by: MAINT-JPNIC
last-modified: 2012-08-28T07:58:02Z
source: APNIC

% Information related to 'AS10021'

aut-num: AS10021
as-name: KVH
descr: KVH Co.,Ltd
import: from AS2516 100 accept ANY
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export: to AS2516 announce AS10021
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country: JP
admin-c: KS20321JP
tech-c: TS26848JP
last-modified: 2011-08-05T19:42:14Z
source: JPNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)

Yotsuyaotsuka.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: YOTSUYAOTSUKA.COM
Registry Domain ID: 914903929_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.discount-domain.com
Registrar URL: http://gmo.jp
Updated Date: 2024-03-23T15:35:46Z
Creation Date: 2007-04-08T00:58:49Z
Registry Expiry Date: 2025-04-08T00:58:49Z
Registrar: GMO Internet Group, Inc. d/b/a Onamae.com
Registrar IANA ID: 49
Registrar Abuse Contact Email: abuse@gmo.jp
Registrar Abuse Contact Phone: +81.337709199
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NAMESERVER1.KVH.NE.JP
Name Server: NAMESERVER2.KVH.NE.JP
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-19T08:55:03Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Yotsuyaotsuka.com HTML Check

HTML Validation Tool

Errors

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

Attribute “xmlns:fb” not allowed here.

Bad value “”text/javascript”” for attribute “type” on element “script”: Expected a token character but saw “”” instead.

Bad value “utf- 8” for attribute “charset” on element “script”: Value contained “ ”, which is not a valid character in an encoding name.

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

Attribute “value” not allowed on element “input” at this point.

Element “input” is missing required attribute “alt”.

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

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

No space between attributes.

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

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

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

Unclosed element “ul”.

Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).

Attribute “http-equiv” not allowed on element “meta” at this point.

Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.

A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.

Duplicate attribute “class”.

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

Unclosed element “div”.

End tag “br”.

Text not allowed in element “ul” in this context.

Duplicate ID “acpro_inp0”.

Duplicate ID “button”.

Duplicate ID “sixgrade_margin”.

Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.

Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.

Attribute “"height:100%;"” not allowed on element “div” at this point.

Stray end tag “a”.

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

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

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

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.

Element “g:plusone” not allowed as child of element “td” in this context. (Suppressing further errors from this subtree.)

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

Attribute “charset” not allowed on element “meta” at this point.

Element “meta” is missing one or more of the following attributes: “content”, “itemprop”, “property”.

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.

Warnings

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

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

Attribute “　alt” is not serializable as XML 1.0.

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

The first occurrence of ID “acpro_inp0” was here.

The first occurrence of ID “button” was here.

The first occurrence of ID “sixgrade_margin” was here.

Attribute “"height:100%;"” is not serializable as XML 1.0.

Element name “fb:fan” cannot be represented as XML 1.0.

Element name “g:plusone” cannot be represented as XML 1.0.

Yotsuyaotsuka.com Desktop Performance

Last tested: 10/14/2016

Desktop Speed

33%

Leverage browser caching

Optimize images

Enable compression

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

Prioritize visible content

Minify HTML

Minify JavaScript

Minify CSS

Desktop Resource Breakdown

Total Resources	240
Number of Hosts	25
Static Resources	196
JavaScript Resources	28
CSS Resources	6

Yotsuyaotsuka.com Mobile Insights

Last tested: 10/14/2016

Mobile Usability

96%

Size content to viewport

Size tap targets appropriately

Mobile Speed

33%

Leverage browser caching

Optimize images

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

Enable compression

Avoid landing page redirects

Minify JavaScript

Minify HTML

Minify CSS

Mobile Resource Breakdown

Total Resources	232
Number of Hosts	47
Static Resources	128
JavaScript Resources	32
CSS Resources	1

Yotsuyaotsuka.com Common Typos

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Yotsuyaotsuka.com 中学受験塾｜四谷大塚ドットコム｜でてこい、未来のリーダーたち。

Yotsuyaotsuka.com Overview

Yotsuyaotsuka.com Rank Summary

Yotsuyaotsuka.com Website Safety

Yotsuyaotsuka.com Rank History

Yotsuyaotsuka.com Hosting Information

Yotsuyaotsuka.com Domain Registration and Settings

Yotsuyaotsuka.com HTML Check

Yotsuyaotsuka.com Desktop Performance

Yotsuyaotsuka.com Mobile Insights

Yotsuyaotsuka.com Similar Audits

Yotsuyaotsuka.com Common Typos