Century21.jp 不動産売買、賃貸情報ならセンチュリー21【センチュリー21】

不動産・住宅のことならセンチュリー21の不動産総合情報サイト。賃貸情報やマンション・一戸建て・土地の購入＆売却の情報はもちろん、賃貸管理、相続に関するご相談などを幅広くサポート。豊富な不動産情報と地域に密着したプロフェッショナルが、お客様の理想をかなえます。

Century21.jp Overview

Century21.jp ranking shows that the page is at position 203,052 over the world, while the bulk of its audience is from Japan, where it ranks 18,034.

It is beneficial to century21.jp that their hosting company GOOGLE - Google LLC, US servers are located in Japan, as that reduces page load time for the majority of their users. See the list of other webpages hosted on GOOGLE - Google LLC, US servers.

In terms of rank-to-traffic ratio, century21.jp has 1,485 unique users per day, viewing 3,559 pages. The rank based value of century21.jp is 63,860 USD. Every user makes 2.59 pageviews on average.

Century21.jp boasts a link base consisting of 400 referring domains and 518 external backlinks, as revealed by the data obtained from web network scanning.

Century21.jp top-level domain belongs to .JP domain zone. Check other webpages in .JP zone.

According the last verification test in April 19, 2022, century21.jp has an expired SSL certificate issued by Let's Encrypt (expired on May 23, 2022). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

Based on data from Google Safe Browsing, Google Safe Search and Symantec century21.jp is a fairly safe domain.

According the Mobile-Friendly test by Google century21.jp is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Century21.jp Rank Summary

Global Rank

203,052

Average Load Time

1.49sec

Links In Count

397

Website Value

$59,130

Audience Geography. Where are century21.jp visitors located?

Country	Visitors
Japan JP	100%

Country	Pageviews
Japan JP	100%

Country	Rank
Japan JP	18034

Where do visitors go on century21.jp?

Subdomain	Pageviews
century21.jp	95.81%
other	4.19%

Subdomain	Pageviews per User
century21.jp	2

Subdomain	Reach
century21.jp	91.95%

How popular is century21.jp?

Period	Global Rank	Global Rank Delta
past 3 months	203052	-126008
past month	206904	-21391
past week	323087	9906

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	231062	-59008	19	40%	2.4	-35.62%
30	269403	1189	16	0.7%	2	-17.95%
7	475237	9167	8	-2.44%	1	2%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	204883	-166316	28	100%
30	196805	-32102	3	20%
7	293108	12144	2	-4.774%

Century21.jp Website Safety

Overview

Last Updated: 11/10/2024

Overall result - century21.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

century21.jp is safe.

Norton ConnectSafe evaluates century21.jp for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 10/30/2016

century21.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

century21.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: 02/24/2021

century21.jp is safe.

McAfee assesses century21.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 century21.jp for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 11/10/2024

century21.jp child safety is unknown.

The WOT calculates reputation of the century21.jp. This reputation system receives ratings from users and information from third-party sources, assesses the century21.jp for safety features and confirms, whether century21.jp is suitable for children.

SSL Information

SSL Checker Tool

Domain	century21.jp
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	02/22/2022
Expiration	05/23/2022
Signed	Certificate is not self signed
Additional Domains	century21.jp

Century21.jp Rank History

Alexa Rank shows how popular century21.jp is in comparison with other sites. The most popular site has Alexa Rank equals 1. If century21.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 century21.jp and pageviews on century21.jp over the past 3 months.

Century21.jp Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 15169

ASN Title: GOOGLE - Google LLC, US

Last Update: 07/20/2024

#
# 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: 15169
ASName: GOOGLE
ASHandle: AS15169
RegDate: 2000-03-30
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/15169

OrgName: Google LLC
OrgId: GOGL
Address: 1600 Amphitheatre Parkway
City: Mountain View
StateProv: CA
PostalCode: 94043
Country: US
RegDate: 2000-03-30
Updated: 2017-12-21
Ref: https://rdap.arin.net/registry/entity/GOGL

OrgAbuseHandle: ABUSE5250-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-253-0000
OrgAbuseEmail: network-abuse@google.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE5250-ARIN

OrgTechHandle: ZG39-ARIN
OrgTechName: Google LLC
OrgTechPhone: +1-650-253-0000
OrgTechEmail: arin-contact@google.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZG39-ARIN

RTechHandle: ZG39-ARIN
RTechName: Google LLC
RTechPhone: +1-650-253-0000
RTechEmail: arin-contact@google.com
RTechRef: https://rdap.arin.net/registry/entity/ZG39-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.
#

Century21.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] CENTURY21.JP

[登録者名] 株式会社センチュリー21・ジャパン
[Registrant] CENTURY 21 REAL ESTATE OF JAPAN LTD.

[Name Server] 03.dnsv.jp
[Name Server] 02.dnsv.jp
[Name Server] 01.dnsv.jp
[Name Server] 04.dnsv.jp
[Signing Key]

[登録年月日] 2001/03/26
[有効期限] 2025/03/31
[状態] Active
[最終更新] 2024/09/20 16:24:18 (JST)

Contact Information: [公開連絡窓口]
[名前] 株式会社センチュリー21.ジャパン
[Name] CENTURY 21 REAL ESTATE OF JAPAN LTD.
[Email] tokyo_it@century21.jp
[Web Page]
[郵便番号] 107-0061
[住所] 東京都港区
北青山 2-12-16
北青山吉川ビル6F
[Postal Address] Minato ku
2-12-16 Kita-Aoyama
6F, Kita-Aoyama Yoshikawa Bldg
[電話番号] 03-3497-0955
[FAX番号]

DNS Records

DNS Lookup Tool

Host	A Record	TTL
century21.jp	202.222.67.193	3600

Host	MX Record	Priority	TTL
century21.jp	century21-jp.mail.protection.outlook.com	1	3600

Host	NS Record	TTL
century21.jp	ans01.iic.or.jp	3600
century21.jp	ans03.iic.or.jp	3600
century21.jp	ans02.iic.or.jp	3600

Host	TXT Record	TTL
century21.jp	MS=ms34389220	3600
century21.jp	v=spf1 +ip4:202.222.76.167/32 +ip4:202.222.76.166/32 +ip4:202.222.76.165/32 +ip4:202.222.75.69 +ip4:202.222.75.70 include:spf.protection.outlook.com include:kairos3.com ~all	3600

ans02.iic.or.jp
TTL: 3600
Email address: postmaster.iic.or.jp
Serial: 1530864281
Refresh: 3509
Retry: 600
Expire: 86400
Minimum: 3600

Century21.jp HTML Check

HTML Validation Tool

Errors

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

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

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

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

Malformed byte sequence: “88”.

Malformed byte sequence: “b4”.

Malformed byte sequence: “97”.

Malformed byte sequence: “a7”.

Malformed byte sequence: “89”.

Malformed byte sequence: “8e”.

Malformed byte sequence: “83”.

Malformed byte sequence: “8c”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “8a”.

Malformed byte sequence: “92”.

Malformed byte sequence: “86”.

Malformed byte sequence: “81”.

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

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

Malformed byte sequence: “94”.

Malformed byte sequence: “82”.

Malformed byte sequence: “a9”.

Malformed byte sequence: “c1”.

Malformed byte sequence: “b1”.

Malformed byte sequence: “ab”.

Malformed byte sequence: “a2”.

Malformed byte sequence: “90”.

Malformed byte sequence: “95”.

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

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

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

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

Century21.jp Desktop Performance

Last tested: 01/02/2017

Desktop Speed

46%

Leverage browser caching

Optimize images

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

Avoid landing page redirects

Enable compression

Minify JavaScript

Minify CSS

Reduce server response time

Minify HTML

Desktop Resource Breakdown

Total Resources	207
Number of Hosts	24
Static Resources	179
JavaScript Resources	40
CSS Resources	18

Century21.jp Mobile Insights

Last tested: 01/02/2017

Mobile Usability

96%

Configure the viewport

Size tap targets appropriately

Mobile Speed

51%

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

Leverage browser caching

Avoid landing page redirects

Optimize images

Enable compression

Minify JavaScript

Reduce server response time

Minify CSS

Mobile Resource Breakdown

Total Resources	62
Number of Hosts	19
Static Resources	45
JavaScript Resources	18
CSS Resources	4

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Century21.jp 不動産売買、賃貸情報ならセンチュリー21【センチュリー21】

Century21.jp Overview

Century21.jp Rank Summary

Century21.jp Website Safety

Century21.jp Rank History

Century21.jp Hosting Information

Century21.jp Domain Registration and Settings

Century21.jp HTML Check

Century21.jp Desktop Performance

Century21.jp Mobile Insights

Century21.jp Similar Audits

Century21.jp Common Typos