kenkyusha.co.jp - 研究社

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 2.86 sec.
Last Checked: 03/14/2023

Over the time kenkyusha.co.jp has been ranked as high as 11,633 in the world, while most of its traffic comes from Japan, where it reached as high as 18,665 position.

Kenkyusha.co.jp receives about 1,952 unique visitors and 5,075 pageviews per day. The estimated value of kenkyusha.co.jp is 94,900 USD. Each unique visitor makes about 2.6 pageviews on average.

Kenkyusha.co.jp is registered under .JP top-level domain. Check other websites in .JP zone.

At the time of the last check (September 07, 2023) kenkyusha.co.jp has an expired SSL certificate issued by Japan Registry Services Co., Ltd. (expired on April 30, 2024). Check other websites using SSL certificates issued by Japan Registry Services Co., Ltd..

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust kenkyusha.co.jp is quite a safe domain.

Mobile-Friendly test indicates that kenkyusha.co.jp is well optimized for mobile and tablet devices.

Kenkyusha.co.jp General Information

Global Rank

132,777

Average Load Time

1.27sec

Links In Count

307

Website Value

$94,900

Audience Geography. Where are kenkyusha.co.jp visitors located?

Country	Rank
Japan JP	18665

Country	Percent of Pageviews
Japan JP	96.1%
Other	3.9%

Country	Percent of Visitors
Japan JP	92.3%
Other	7.8%

Where do visitors go on kenkyusha.co.jp?

Subdomain	Pageviews
kod.kenkyusha.co.jp	66.98%
kenkyusha.co.jp	19.16%
other	13.83%

Subdomain	Pageviews per User
kod.kenkyusha.co.jp	3
kenkyusha.co.jp	1

Subdomain	Reach
kod.kenkyusha.co.jp	42.92%
kenkyusha.co.jp	40.92%

How popular is kenkyusha.co.jp?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	135094	-29344	48	30%
30	199696	84987	29	-48.74%
7	175010	28068	4	-19.07%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	148496	-40111	33	40%	2.6	7%
30	251971	124940	17	-57.036%	2.2	-15.95%
7	296447	132495	1	-52.99%	2	-41.92%

Period	Global Rank	Global Rank Delta
past 3 months	132777	-31040
past month	204001	90939
past week	195942	52882

Kenkyusha.co.jp Alexa Rank History

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

Kenkyusha.co.jp Safety Information

Overview

Last Updated: 05/01/2024

Overall result - "kenkyusha.co.jp" 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

kenkyusha.co.jp is safe.

Norton ConnectSafe evaluates kenkyusha.co.jp for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 11/03/2016

kenkyusha.co.jp 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

Malware not found at "kenkyusha.co.jp".
"kenkyusha.co.jp" is not a phishing page.
"kenkyusha.co.jp" does not install unwanted software.
"kenkyusha.co.jp" does not contain harmfull applications.
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: 02/24/2021

kenkyusha.co.jp is safe.

McAfee assesses kenkyusha.co.jp 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 kenkyusha.co.jp for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

kenkyusha.co.jp child safety isvery good.

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

SSL Information

SSL Checker Tool

Domain	www.kenkyusha.co.jp
Issuer Organization	Japan Registry Services Co., Ltd.
Issuer	JPRS Domain Validation Authority - G4
Algorithm	RSA-SHA256
Valid form	04/01/2023
Expiration	04/30/2024
Signed	Certificate is not self signed
Additional Domains	www.kenkyusha.co.jp kenkyusha.co.jp

Kenkyusha.co.jp Server Information

Server Location

Geolocation Tool

Not Found

ASN Information

ASN Lookup Tool

ASN ID: 9597
ASN Title: CPI-NET KDDI Web Communications Inc., JP

Last Update: 10/15/2023

ASN Whois

% [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 'AS9591 - AS9622'

as-block: AS9591 - AS9622
descr: JPNIC-2Byte-ASBLOCK-AP
descr: for assignment to JPNIC members
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can be
remarks: queried at whois.nic.ad.jp.
remarks: To only display English output,
remarks: add '/e' at the end of command,
remarks: e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by: APNIC-HM
mnt-lower: MAINT-JPNIC
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
admin-c: JI13-AP
tech-c: JE53-AP
nic-hdl: JNIC1-AP
mnt-by: MAINT-JPNIC
last-modified: 2012-08-28T07:58:02Z
source: APNIC

% Information related to 'AS9597'

aut-num: AS9597
as-name: CPI-NET
descr: KDDI Web Communications Inc.
import: from AS2497 100 accept ANY
import: from AS2516 100 accept ANY
export: to AS2497 announce AS9597
export: to AS2516 announce AS9597
country: JP
admin-c: YM12747JP
tech-c: YM12747JP
last-modified: 2016-10-12T02:06:05Z
source: JPNIC

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

Kenkyusha.co.jp Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

[ JPRS database provides information on network administration. Its use is ]
[ restricted to network administration purposes. For further information, ]
[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ]
[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ]

Domain Information: [ドメイン情報]
a. [ドメイン名] KENKYUSHA.CO.JP
e. [そしきめい] かぶしきがいしゃけんきゅうしゃ
f. [組織名] 株式会社研究社
g. [Organization] Kenkyusha Limited
k. [組織種別] 株式会社
l. [Organization Type] corporation
m. [登録担当者] MO5668JP
n. [技術連絡担当者] MK11594JP
p. [ネームサーバ] dns-b.iij.ad.jp
p. [ネームサーバ] dns-c.iij.ad.jp
s. [署名鍵]
[状態] Connected (2022/02/28)
[登録年月日] 2004/02/24
[接続年月日] 2004/02/24
[最終更新] 2021/03/01 01:06:00 (JST)

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Kenkyusha.co.jp HTML Validation

HTML Validation Tool

Errors

Malformed byte sequence: “a2”.

Malformed byte sequence: “a7”.

Malformed byte sequence: “b1”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “c0”.

Malformed byte sequence: “c4”.

Malformed byte sequence: “b8”.

Malformed byte sequence: “a6”.

Malformed byte sequence: “b5”.

Malformed byte sequence: “e6”, “bc”.

Malformed byte sequence: “d2”.

Malformed byte sequence: “a5”.

Malformed byte sequence: “e1”, “a5”.

Malformed byte sequence: “b3”.

Malformed byte sequence: “d8”.

Malformed byte sequence: “a4”.

Malformed byte sequence: “ae”.

Malformed byte sequence: “d1”.

Malformed byte sequence: “ca”.

Malformed byte sequence: “c6”.

Malformed byte sequence: “ec”, “b3”.

Malformed byte sequence: “c2”.

Malformed byte sequence: “e7”, “b3”.

Malformed byte sequence: “e6”.

Malformed byte sequence: “b6”.

Malformed byte sequence: “bc”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “b0”.

Malformed byte sequence: “f7”.

Malformed byte sequence: “e7”.

Malformed byte sequence: “b9”.

Malformed byte sequence: “bd”.

Malformed byte sequence: “f1”.

Malformed byte sequence: “f4”.

Malformed byte sequence: “b2”.

Malformed byte sequence: “f1”, “bc”.

Malformed byte sequence: “a3”.

Malformed byte sequence: “ec”, “a4”.

Malformed byte sequence: “f2”.

Malformed byte sequence: “c3”.

Malformed byte sequence: “eb”, “b8”.

Malformed byte sequence: “eb”, “bd”.

Malformed byte sequence: “cf”.

Malformed byte sequence: “ad”.

Malformed byte sequence: “a1”.

Malformed byte sequence: “ce”.

Malformed byte sequence: “f1”, “b8”.

Malformed byte sequence: “bf”.

Malformed byte sequence: “b7”.

Malformed byte sequence: “b4”.

Malformed byte sequence: “a9”.

Malformed byte sequence: “ba”.

Malformed byte sequence: “c5”.

Malformed byte sequence: “d0”.

Malformed byte sequence: “c8”.

Malformed byte sequence: “c7”.

Malformed byte sequence: “eb”, “be”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “f3”, “a1”, “a3”.

Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)

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

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

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

Malformed byte sequence: “c9”.

Malformed byte sequence: “cd”.

Malformed byte sequence: “fd”.

Malformed byte sequence: “e2”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “d7”.

Malformed byte sequence: “fe”.

Malformed byte sequence: “be”.

Malformed byte sequence: “ec”, “b8”.

Malformed byte sequence: “fb”.

Malformed byte sequence: “aa”.

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

Bad value “screen,tv” for attribute “media” on element “link”: Deprecated media type “tv”. For guidance, see the Media Types section in the current Media Queries specification.

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

Row 1 of a row group established by a “tbody” element has no cells beginning on it.

Malformed byte sequence: “c1”.

Malformed byte sequence: “d4”.

Malformed byte sequence: “e7”, “a1”.

Malformed byte sequence: “cb”.

Malformed byte sequence: “f3”, “a5”.

Malformed byte sequence: “eb”, “a5”.

Malformed byte sequence: “bb”.

Malformed byte sequence: “ed”, “a1”, “bc”.

Malformed byte sequence: “ea”, “a5”.

Malformed byte sequence: “f3”, “a5”, “ac”.

Malformed byte sequence: “e1”, “b5”.

Malformed byte sequence: “ee”, “a4”.

Malformed byte sequence: “dc”.

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

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

The “align” attribute on the “td” 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.

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

Malformed byte sequence: “ea”, “a4”.

Malformed byte sequence: “ee”.

Malformed byte sequence: “dd”.

Malformed byte sequence: “cc”.

Malformed byte sequence: “f5”.

Malformed byte sequence: “db”.

Malformed byte sequence: “ef”.

Malformed byte sequence: “eb”, “a4”.

Malformed byte sequence: “f3”, “a4”.

Malformed byte sequence: “f2”, “bc”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “e4”, “a4”.

Malformed byte sequence: “fa”.

Malformed byte sequence: “a8”.

Malformed byte sequence: “eb”.

Malformed byte sequence: “e3”.

Malformed byte sequence: “d3”.

Malformed byte sequence: “e5”.

Malformed byte sequence: “af”.

Malformed byte sequence: “e5”, “b1”.

Malformed byte sequence: “e8”.

Malformed byte sequence: “ef”, “a5”.

Malformed byte sequence: “d6”.

Malformed byte sequence: “fc”.

Malformed byte sequence: “ee”, “bb”.

Malformed byte sequence: “f2”, “a4”.

Malformed byte sequence: “ac”.

Malformed byte sequence: “d5”.

Malformed byte sequence: “d9”.

Malformed byte sequence: “f3”, “a1”.

Malformed byte sequence: “e1”, “a4”.

Malformed byte sequence: “eb”, “bb”.

Malformed byte sequence: “ed”, “bf”.

Malformed byte sequence: “ed”, “a4”.

Malformed byte sequence: “ed”.

Malformed byte sequence: “e9”.

Malformed byte sequence: “e1”, “b3”.

Malformed byte sequence: “de”.

Malformed byte sequence: “e9”, “a5”.

Malformed byte sequence: “f3”, “a5”, “b0”.

Malformed byte sequence: “ab”.

Warnings

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

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

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

Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)

Text run is not in Unicode Normalization Form C.

NON-DOCUMENT-ERROR

Too many messages.

Kenkyusha.co.jp Desktop Insights

Desktop Page Insights Tool

Last tested: 08/12/2019

Desktop

Desktop Speed

73%

Leverage browser caching

Reduce server response time

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

Optimize images

Avoid landing page redirects

Minify CSS

Desktop Resource Breakdown

Total Resources	37
Number of Hosts	2
Static Resources	33
JavaScript Resources	3
CSS Resources	5

Kenkyusha.co.jp Mobile Insights

Mobile Page Insights Tool

Last tested: 01/19/2019

Mobile

Mobile Usability

64%

Use legible font sizes

Configure the viewport

Size tap targets appropriately

Mobile Speed

61%

Leverage browser caching

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

Avoid landing page redirects

Optimize images

Reduce server response time

Minify CSS

Mobile Resource Breakdown

Total Resources	37
Number of Hosts	2
Static Resources	33
JavaScript Resources	3
CSS Resources	5

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Kenkyusha.co.jp 研究社 - HOME

株式会社研究社の公式サイト。英語を中心とする語学・文学に関する書籍、英和辞典、和英辞典などの二か国語辞典を発行。新刊案内、書籍検索、電子出版物に関する情報。Web英語青年。

Quick Summary

Kenkyusha.co.jp General Information

Kenkyusha.co.jp Alexa Rank History

Kenkyusha.co.jp Safety Information

Kenkyusha.co.jp Server Information

Kenkyusha.co.jp Domain Name Information

Kenkyusha.co.jp HTML Validation

Kenkyusha.co.jp Desktop Insights

Kenkyusha.co.jp Mobile Insights

Kenkyusha.co.jp Nearest Competitors

Kenkyusha.co.jp Typos