kotora.jp - 金融、コンサル、ハイクラスの転職支援

Quick Summary

Online Status

UNKNOWN

Over the time kotora.jp has been ranked as high as 17,630 in the world, while most of its traffic comes from Japan, where it reached as high as 25,104 position.

Kotora.jp receives about 679 unique visitors and 1,358 pageviews per day. The estimated value of kotora.jp is 17,520 USD. Each unique visitor makes about 2 pageviews on average.

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

At the time of the last check (July 14, 2024) kotora.jp has an expired SSL certificate issued by GlobalSign nv-sa (expired on March 12, 2025). Check other websites using SSL certificates issued by GlobalSign nv-sa.

According to Google Safe Browsing, Google Safe Search and Symantec kotora.jp is quite a safe domain.

Mobile-Friendly test indicates that kotora.jp is well optimized for mobile and tablet devices, however website page loading time could be improved.

Kotora.jp General Information

Global Rank

499,609

Average Load Time

2.46sec

Links In Count

Website Value

$17,520

Audience Geography. Where are kotora.jp visitors located?

Country	Rank
Japan JP	25104

Country	Percent of Pageviews
Japan JP	100%

Country	Percent of Visitors
Japan JP	100%

Where do visitors go on kotora.jp?

Subdomain	Pageviews
kotora.jp	89.13%
other	10.87%

Subdomain	Pageviews per User
kotora.jp	2

Subdomain	Reach
kotora.jp	78.5%

How popular is kotora.jp?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	455099	128074	1	-33.12%
30	272832	-503015	2	300%
7	247933	52986	2	-24.04%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	680984	91755	4	-16.3%	2	30%
30	361943	-1157840	11	600%	2	100%
7	291101	24650	2	-10.51%	2	20%

Period	Global Rank	Global Rank Delta
past 3 months	499609	115369
past month	283017	-684342
past week	242571	40089

Kotora.jp Alexa Rank History

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

Kotora.jp Safety Information

Overview

Last Updated: 06/06/2025

Overall result - "kotora.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: 02/10/2025

kotora.jp is safe.

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

Google Safe Search

Last Updated: 03/03/2017

kotora.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 "kotora.jp".
"kotora.jp" is not a phishing page.
"kotora.jp" does not install unwanted software.
"kotora.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: 02/14/2021

kotora.jp is safe.

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

Web of Trust

Last Updated: 06/06/2025

kotora.jp child safety isunknown.

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

SSL Information

SSL Checker Tool

Domain	www.kotora.jp
Issuer Organization	GlobalSign nv-sa
Issuer	GlobalSign GCC R3 DV TLS CA 2020
Algorithm	RSA-SHA256
Valid form	02/09/2024
Expiration	03/12/2025
Signed	Certificate is not self signed
Additional Domains	www.kotora.jp kotora.jp

Kotora.jp Server Information

Server Location

Geolocation Tool

Tokyo

Japan

ASN Information

ASN Lookup Tool

ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 11/08/2024

ASN Whois

#
# 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: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509

OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-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.
#

Kotora.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]
[Domain Name] KOTORA.JP

[登録者名] 株式会社コトラ
[Registrant] Kotora.Co.,Ltd.

[Name Server] ns-100.awsdns-12.com
[Name Server] ns-1833.awsdns-37.co.uk
[Name Server] ns-1323.awsdns-37.org
[Name Server] ns-963.awsdns-56.net
[Signing Key]

[登録年月日] 2003/11/05
[有効期限] 2025/11/30
[状態] Active
[最終更新] 2024/12/01 01:05:04 (JST)

Contact Information: [公開連絡窓口]
[名前] 株式会社コトラ
[Name] Kotora.Co.,Ltd.
[Email] info@kotora.jp
[Web Page]
[郵便番号]
[住所]
[Postal Address]
[電話番号] 03-6277-7050
[FAX番号]

DNS Records

DNS Lookup Tool

Host	A Record	TTL
kotora.jp	13.114.116.219	60

Host	MX Record	Priority	TTL
kotora.jp	aspmx.l.google.com	1	300
kotora.jp	aspmx2.googlemail.com	10	300
kotora.jp	aspmx3.googlemail.com	10	300
kotora.jp	alt1.aspmx.l.google.com	5	300
kotora.jp	alt2.aspmx.l.google.com	5	300

Host	NS Record	TTL
kotora.jp	ns-100.awsdns-12.com	172800
kotora.jp	ns-1323.awsdns-37.org	172800
kotora.jp	ns-1833.awsdns-37.co.uk	172800
kotora.jp	ns-963.awsdns-56.net	172800

Host	TXT Record	TTL
kotora.jp	google-site-verification=C6yK2yQxhoESIY9oWXJRpXgyutMlMyWOd9pfd8hO56w	300
kotora.jp	google-site-verification=hJiquIjIun7EV1nj_jLjyj2dc1nXP9T_i1Tf0hfGDIw	300
kotora.jp	v=spf1 +ip4:1.33.190.185/32 mx include:_spf.google.com include:aspmx.pardot.com include:_spf.salesforce.com include:cust-spf.exacttarget.com ~all	300

ns-100.awsdns-12.com
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400

Kotora.jp HTML Validation

HTML Validation Tool

Errors

Stray end tag “meta”.

Bad value “only screen and (max-device-width: 480px)” for attribute “media” on element “link”: Deprecated media feature “max-device-width”. For guidance, see the Deprecated Media Features section in the current Media Queries specification.

Bad start tag in “img” in “head”.

Bad value “https://www.facebook.com/tr?ev=6020145387210&cd[value]=0.00&cd[ currency]=JPY&noscript=1” for attribute “src” on element “img”: Illegal character in query: “[” is not allowed.

Stray end tag “noscript”.

Stray end tag “head”.

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

The element “input” must not appear as a descendant of the “a” element.

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

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

Stray end tag “div”.

Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.

The “for” attribute of the “label” element must refer to a non-hidden form control.

Warnings

Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).

A table row was 3 columns wide, which is less than the column count established by the first row (4).

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

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

Kotora.jp Desktop Insights

Desktop Page Insights Tool

Last tested: 08/08/2017

Desktop

Desktop Speed

69%

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

Leverage browser caching

Avoid landing page redirects

Optimize images

Enable compression

Minify CSS

Minify JavaScript

Desktop Resource Breakdown

Total Resources	165
Number of Hosts	23
Static Resources	139
JavaScript Resources	30
CSS Resources	16

Kotora.jp Mobile Insights

Mobile Page Insights Tool

Last tested: 04/30/2017

Mobile

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

52%

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

Avoid landing page redirects

Leverage browser caching

Optimize images

Enable compression

Minify CSS

Minify JavaScript

Mobile Resource Breakdown

Total Resources	164
Number of Hosts	21
Static Resources	141
JavaScript Resources	26
CSS Resources	17

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Kotora.jp 金融、コンサル、ハイクラスの転職支援 - コトラ（KOTORA）

Quick Summary

Kotora.jp General Information

Kotora.jp Alexa Rank History

Kotora.jp Safety Information

Kotora.jp Server Information

Kotora.jp Domain Name Information

Kotora.jp HTML Validation

Kotora.jp Desktop Insights

Kotora.jp Mobile Insights

Kotora.jp Nearest Competitors

Kotora.jp Typos