Idolmaster.jp 【公式】アイドルマスターポータル（アイマス）

「アイドルマスター（アイマス）」シリーズの、最新情報やイベントスケジュール、グッズやメディア掲載情報など、アナタの気になるアイドルの情報満載！

Idolmaster.jp Overview

Idolmaster.jp is the official website for "The Idolm@ster," a popular Japanese multimedia franchise that focuses on the entertainment industry and idol singer culture. The website serves as a hub for fans to access the latest information and updates on the franchise.

The website's name, idolmaster.jp, suggests its affiliation with "The Idolm@ster" brand. The title of the website is "THE IDOLM@STER OFFICIAL WEB | バンダイナムコエンターテインメント公式サイト," which translates to "The Idolm@ster Official Web | Bandai Namco Entertainment Official Site." This title clearly indicates that the website is the official online platform for the franchise.

The description of the website, "『アイドルマスター』の最新情報はここから！," translates to "Get the latest information of 'The Idolm@ster' here!" This description emphasizes the website's purpose of providing up-to-date news and announcements related to the franchise.

With an average of 11,578 unique users per day and 26,629.4 pageviews, idolmaster.jp experiences a considerable amount of traffic. This level of visitor engagement indicates a strong and active fan base for "The Idolm@ster" franchise.

The website is hosted by AMAZON-02, which is operated by Amazon.com, Inc., in the United States. This hosting arrangement ensures reliable and efficient access to the website for users around the world.

Idolmaster.jp utilizes the .JP top-level domain, indicating that it is targeted primarily at a Japanese audience. Its content is likely to be in the Japanese language, catering to fans within the country.

To ensure secure communication between the website and its visitors, idolmaster.jp has an SSL certificate issued by DigiCert Inc. This certificate confirms the website's authenticity and encryption of data transmitted between the user's browser and the site's server.

The family-friendliness of idolmaster.jp cannot be determined solely based on the information provided. However, considering that "The Idolm@ster" franchise is popular among audiences of all ages, it is likely that the website's content is appropriate for a wide range of users, including families.

According to PageSpeed Insights, idolmaster.jp scores 27 for speed. This score suggests that there may be room for improvement in terms of website performance and loading speed. Optimizing the website's code, images, and server response

Idolmaster.jp Rank Summary

Global Rank

25,576

Average Load Time

0.99sec

Links In Count

953

Website Value

$464,744

Audience Geography. Where are idolmaster.jp visitors located?

Country	Visitors
Japan JP	78.9%
China CN	10.5%
Taiwan TW	5.2%
Korea KR	3.2%
United States US	0.7%
Other	1.4%

Country	Pageviews
Japan JP	83.2%
China CN	7.6%
Taiwan TW	5.2%
Korea KR	2.5%
United States US	0.6%
Other	0.9%

Country	Rank
Japan JP	1756
Taiwan TW	4163
Korea KR	11043
China CN	18542
United States US	278175

Where do visitors go on idolmaster.jp?

Subdomain	Pageviews
idolmaster.jp	54.11%
puzzle-shinycolors.idolmaster.jp	18.02%
cinderellass-3rdcampaign.idolmaster.jp	7.93%
shinycolors.idolmaster.jp	7.68%
cinderella.idolmaster.jp	4.95%
form-cinderellass-3rdcampaign.idolmaster.jp	2.65%
imasofficial-as.idolmaster.jp	0.34%
other	4.33%

Subdomain	Pageviews per User
puzzle-shinycolors.idolmaster.jp	2.3
imasofficial-as.idolmaster.jp	2
idolmaster.jp	1.9
shinycolors.idolmaster.jp	1.5
form-cinderellass-3rdcampaign.idolmaster.jp	1
cinderella.idolmaster.jp	1
cinderellass-3rdcampaign.idolmaster.jp	1

Subdomain	Reach
idolmaster.jp	56.79%
cinderellass-3rdcampaign.idolmaster.jp	15.86%
puzzle-shinycolors.idolmaster.jp	15.59%
shinycolors.idolmaster.jp	10.3%
cinderella.idolmaster.jp	8.27%
form-cinderellass-3rdcampaign.idolmaster.jp	5.33%
imasofficial-as.idolmaster.jp	0.45%

How popular is idolmaster.jp?

Period	Global Rank	Global Rank Delta
past 3 months	25576	-1877
past month	21166	-3015
past week	30841	14054
yesterday	36055	-2417

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	32731	-2969	206	10%	2.3	7%
30	29773	1437	23	-6.048%	2	-26.01%
7	47939	21214	13	-48.873%	1.6	-3.53%
1	75135	24805	9	-31.77%	1	-51.818%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	24508	-1533	33	3%
30	19490	-4794	42	30%
7	26703	12171	30	-46.74%
1	26853	-10826	30	40%

Idolmaster.jp Website Safety

Overview

Last Updated: 04/03/2025

Overall result - idolmaster.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: 03/21/2025

idolmaster.jp is safe.

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

Google Safe Search

Last Updated: 10/13/2016

idolmaster.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

idolmaster.jp 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

idolmaster.jp is safe.

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

Web of Trust

Last Updated: 01/09/2019

idolmaster.jp child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	*.idolmaster.jp
Issuer Organization	Amazon
Issuer	Amazon RSA 2048 M03
Algorithm	RSA-SHA256
Valid form	02/06/2024
Expiration	03/06/2025
Signed	Certificate is not self signed
Additional Domains	*.idolmaster.jp idolmaster.jp

Idolmaster.jp Rank History

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

Idolmaster.jp Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 16509

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

Last Update: 07/16/2024

#
# 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: 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.
#

Idolmaster.jp Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

[ 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] IDOLMASTER.JP

[登録者名] 株式会社バンダイナムコゲームス
[Registrant] NAMCO BANDAI Games Inc.

[Name Server] ns-1455.awsdns-53.org
[Name Server] ns-200.awsdns-25.com
[Name Server] ns-639.awsdns-15.net
[Name Server] ns-1812.awsdns-34.co.uk
[Signing Key]

[登録年月日] 2010/02/05
[有効期限] 2025/02/28
[状態] Active
[最終更新] 2024/03/01 01:05:04 (JST)

Contact Information: [公開連絡窓口]
[名前] 株式会社バンダイナムコエンターテインメント
[Name] BANDAI NAMCO Entertainment Inc.
[Email] sys-ssl@rd.bandainamcoent.co.jp
[Web Page]
[郵便番号] 108-0014
[住所] 東京都港区
芝 5-37-8
バンダイナムコ未来研究所
[Postal Address] Minato-ku
5-37-8 Shiba
BANDAI NAMCO Miraikenkyujyo
[電話番号] +81.367445550
[FAX番号] +81.368660575

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Idolmaster.jp HTML Check

HTML Validation Tool

Errors

Attribute “xmlns:fb” not allowed here.

Attribute “xmlns:og” not allowed here.

Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.

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

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

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

Duplicate ID “bnr_01”.

No space between attributes.

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

Warnings

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

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

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

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

The first occurrence of ID “bnr_01” was here.

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

Idolmaster.jp Desktop Performance

Last tested: 12/09/2019

Desktop Speed

23%

Optimize images

Leverage browser caching

Enable compression

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

Minify JavaScript

Minify CSS

Minify HTML

Desktop Resource Breakdown

Total Resources	115
Number of Hosts	17
Static Resources	92
JavaScript Resources	21
CSS Resources	5

Idolmaster.jp Mobile Insights

Last tested: 12/07/2019

Mobile Usability

100%

Mobile Speed

27%

Optimize images

Leverage browser caching

Avoid landing page redirects

Enable compression

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

Minify JavaScript

Minify HTML

Minify CSS

Mobile Resource Breakdown

Total Resources	86
Number of Hosts	18
Static Resources	62
JavaScript Resources	21
CSS Resources	3

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Idolmaster.jp 【公式】アイドルマスター ポータル（アイマス）

「アイドルマスター（アイマス）」シリーズの、最新情報やイベントスケジュール、グッズやメディア掲載情報など、アナタの気になるアイドルの情報満載！

Idolmaster.jp Overview

Idolmaster.jp Rank Summary

Idolmaster.jp Website Safety

Idolmaster.jp Rank History

Idolmaster.jp Hosting Information

Idolmaster.jp Domain Registration and Settings

Idolmaster.jp HTML Check

Idolmaster.jp Desktop Performance

Idolmaster.jp Mobile Insights

Idolmaster.jp Similar Audits

Idolmaster.jp Common Typos

Idolmaster.jp 【公式】アイドルマスターポータル（アイマス）