event21.co.jp - イベントレンタルや会場設営,看板なら!東京大阪全国対応のイベント21

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.46 sec.
Last Checked: 03/11/2023

Over the time event21.co.jp has been ranked as high as 19,006 in the world.

Event21.co.jp receives about 1,263 unique visitors and 3,536 pageviews per day. The estimated value of event21.co.jp is 65,700 USD. Each unique visitor makes about 2.8 pageviews on average.

Event21.co.jp is registered under .JP top-level domain. Check other websites in .JP zone.

At the time of the last check (July 28, 2023) event21.co.jp has a valid and up-to-date SSL certificate issued by Cybertrust Japan Co., Ltd. that expires on May 12, 2024. Check other websites using SSL certificates issued by Cybertrust Japan Co., Ltd..

According to Google Safe Browsing, Google Safe Search and Symantec event21.co.jp is quite a safe domain.

Mobile-Friendly test indicates that event21.co.jp is well optimized for mobile and tablet devices, however website page loading time could be improved.

Event21.co.jp General Information

Global Rank

189,617

Average Load Time

0.43sec

Links In Count

Website Value

$65,700

How popular is event21.co.jp?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	195955	-68352	31	50%
30	315923	138388	2	-47.17%
7	137174	0	5	0%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	208102	-111989	23	90%	2.8	30%
30	669060	532039	5	-87.652%	1	-76.566%
7	325269	0	1	0%	1	0%

Period	Global Rank	Global Rank Delta
past 3 months	189617	-78263
past month	403847	249238
past week	177653	0

Event21.co.jp Safety Information

Overview

Last Updated: 04/19/2024

Overall result - "event21.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: 03/25/2024

event21.co.jp is safe.

Norton ConnectSafe evaluates event21.co.jp for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 03/06/2019

event21.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 "event21.co.jp".
"event21.co.jp" is not a phishing page.
"event21.co.jp" does not install unwanted software.
"event21.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: 02/25/2021

event21.co.jp is safe.

McAfee assesses event21.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 event21.co.jp for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 04/19/2024

event21.co.jp child safety isunknown.

The WOT calculates reputation of the event21.co.jp. This reputation system receives ratings from users and information from third-party sources, assesses the event21.co.jp for safety features and confirms, whether event21.co.jp is suitable for children.

SSL Information

SSL Checker Tool

Domain	event21.co.jp
Issuer Organization	Cybertrust Japan Co., Ltd.
Issuer	Cybertrust Japan SureServer CA G4
Algorithm	RSA-SHA256
Valid form	05/12/2023
Expiration	05/12/2024
Signed	Certificate is not self signed
Additional Domains	event21.co.jp www.event21.co.jp

Event21.co.jp Server Information

Server Location

Geolocation Tool

Not Found

ASN Information

ASN Lookup Tool

ASN ID: 24282
ASN Title: KIR KAGOYA JAPAN Inc., JP

Last Update: 10/14/2023

ASN Whois

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

% Information related to 'AS23552 - AS24575'

as-block: AS23552 - AS24575
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
remarks: AS23889 has been transfered to AfriNIC
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-09-29T06:04:16Z
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 'AS24248 - AS24297'

as-block: AS24248 - AS24297
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. 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: 2009-11-19T01:11:45Z
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 'AS24282'

aut-num: AS24282
as-name: KIR
descr: KAGOYA JAPAN Inc.
import:
export:
country: JP
admin-c: JP00094535
tech-c: JP00094535
last-modified: 2013-09-06T20:22:49Z
source: JPNIC

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

Event21.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] EVENT21.CO.JP
e. [そしきめい] かぶしきがいしゃいべんととぅえんてぃわん
f. [組織名] 株式会社イベントトゥエンティワン
g. [Organization] EVENT TWENTY ONE CO.,LTD
k. [組織種別] 株式会社
l. [Organization Type] CO.,LTD
m. [登録担当者] TN4771JP
n. [技術連絡担当者] SK1294JP
p. [ネームサーバ] ns0.kagoya.net
p. [ネームサーバ] ns1.kagoya.net
s. [署名鍵]
[状態] Connected (2021/12/31)
[登録年月日] 2000/12/06
[接続年月日] 2000/12/12
[最終更新] 2021/04/07 17:02:41 (JST)

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Event21.co.jp HTML Validation

HTML Validation Tool

Errors

Malformed byte sequence: “81”.

Malformed byte sequence: “83”.

Malformed byte sequence: “93”.

Malformed byte sequence: “8c”.

Malformed byte sequence: “8b”.

Malformed byte sequence: “89”.

Malformed byte sequence: “ef”, “8f”.

Malformed byte sequence: “ea”, “90”.

Malformed byte sequence: “8a”.

Malformed byte sequence: “bb”.

Malformed byte sequence: “8d”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “9e”.

Malformed byte sequence: “91”.

Malformed byte sequence: “e5”, “8d”.

Malformed byte sequence: “e3”.

Malformed byte sequence: “97”.

Malformed byte sequence: “95”.

Malformed byte sequence: “82”.

Malformed byte sequence: “e2”, “89”.

Malformed byte sequence: “ec”, “8b”.

Malformed byte sequence: “a2”.

Malformed byte sequence: “a6”.

Malformed byte sequence: “e2”, “83”.

Malformed byte sequence: “88”.

Malformed byte sequence: “80”.

Malformed byte sequence: “b9”.

Malformed byte sequence: “bf”.

Malformed byte sequence: “99”.

Malformed byte sequence: “f1”, “82”.

Malformed byte sequence: “e0”.

Malformed byte sequence: “b5”.

Malformed byte sequence: “b7”.

Malformed byte sequence: “e9”, “89”.

Malformed byte sequence: “e6”, “89”.

Malformed byte sequence: “8e”.

Malformed byte sequence: “ef”, “82”.

Malformed byte sequence: “e2”, “92”.

Malformed byte sequence: “92”.

Malformed byte sequence: “c1”.

Malformed byte sequence: “ae”.

Malformed byte sequence: “e8”, “82”.

Malformed byte sequence: “bd”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “8f”.

Malformed byte sequence: “b3”.

Malformed byte sequence: “a8”.

Malformed byte sequence: “ef”, “8e”.

Malformed byte sequence: “e3”, “82”.

Malformed byte sequence: “a9”.

Malformed byte sequence: “e7”, “91”.

Malformed byte sequence: “94”.

Malformed byte sequence: “ad”.

Malformed byte sequence: “be”.

Malformed byte sequence: “e7”.

Attribute “xmlns:og” not allowed here.

Attribute “xmlns:fb” not allowed here.

Bad value “�hja�h” for attribute “lang” on element “html”: The language subtag “�hja�h” is not a valid language subtag.

A slash was not immediately followed by “>”.

Duplicate attribute “http:”.

Duplicate attribute “ogp.me”.

Duplicate attribute “ns”.

Bad value “�hog:” for attribute “prefix” on element “head”.

Attribute “http:” not allowed on element “head” at this point.

Attribute “ogp.me” not allowed on element “head” at this point.

Attribute “ns#” not allowed on element “head” at this point.

Attribute “fb:” not allowed on element “head” at this point.

Attribute “ns” not allowed on element “head” at this point.

Attribute “fb#” not allowed on element “head” at this point.

Attribute “article:” not allowed on element “head” at this point.

Attribute “article#�h” not allowed on element “head” at this point.

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

Bad value “content-style-type” for attribute “http-equiv” on element “meta”.

Forbidden code point U+0090.

Forbidden code point U+0082.

Malformed byte sequence: “e7”, “81”.

Malformed byte sequence: “e3”, “91”.

Malformed byte sequence: “a0”.

Malformed byte sequence: “96”.

Malformed byte sequence: “e2”.

Malformed byte sequence: “b2”.

Malformed byte sequence: “98”.

Malformed byte sequence: “f1”.

Malformed byte sequence: “ef”, “8d”.

Malformed byte sequence: “a3”.

Bad start tag in “img” in “head”.

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

Stray end tag “noscript”.

Stray end tag “head”.

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

Malformed byte sequence: “90”.

Malformed byte sequence: “bc”.

Malformed byte sequence: “ba”.

Malformed byte sequence: “c0”.

Malformed byte sequence: “d1”.

Malformed byte sequence: “aa”.

Malformed byte sequence: “ea”, “82”.

Malformed byte sequence: “b1”.

Malformed byte sequence: “9f”.

Malformed byte sequence: “f5”.

Malformed byte sequence: “ab”.

Malformed byte sequence: “d6”.

Malformed byte sequence: “87”.

Malformed byte sequence: “85”.

Malformed byte sequence: “b6”.

Malformed byte sequence: “fb”.

Malformed byte sequence: “84”.

Malformed byte sequence: “a4”.

Malformed byte sequence: “86”.

Malformed byte sequence: “e6”.

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

Malformed byte sequence: “f1”, “88”.

Malformed byte sequence: “c4”.

Malformed byte sequence: “e9”, “8e”.

Malformed byte sequence: “e5”, “82”.

Malformed byte sequence: “e3”, “95”.

Malformed byte sequence: “a7”.

Malformed byte sequence: “a1”.

Malformed byte sequence: “cb”.

Malformed byte sequence: “e5”, “91”.

Malformed byte sequence: “e4”, “81”.

Warnings

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

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

Attribute “http:” is not serializable as XML 1.0.

Attribute “ns#” is not serializable as XML 1.0.

Attribute “fb:” is not serializable as XML 1.0.

Attribute “fb#” is not serializable as XML 1.0.

Attribute “article:” is not serializable as XML 1.0.

Attribute “article#�h” is not serializable as XML 1.0.

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

NON-DOCUMENT-ERROR

Too many messages.

Event21.co.jp Desktop Insights

Desktop Page Insights Tool

Last tested: 08/09/2015

Desktop

Desktop Speed

43%

Leverage browser caching

Enable compression

Optimize images

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

Minify JavaScript

Minify CSS

Minify HTML

Desktop Resource Breakdown

Total Resources	199
Number of Hosts	6
Static Resources	191
JavaScript Resources	8
CSS Resources	1

Event21.co.jp Mobile Insights

Mobile Page Insights Tool

Last tested: 08/09/2015

Mobile

Mobile Usability

63%

Use legible font sizes

Configure the viewport

Size tap targets appropriately

Size content to viewport

Mobile Speed

33%

Leverage browser caching

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

Enable compression

Optimize images

Minify JavaScript

Minify CSS

Minify HTML

Mobile Resource Breakdown

Total Resources	199
Number of Hosts	6
Static Resources	191
JavaScript Resources	8
CSS Resources	1

Event21.co.jp Typos

www.event21.com
www.event21.net
www.event21.org
www.event21.info
www.event21.biz
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Event21.co.jp イベントレンタルや会場設営,看板なら!東京 大阪 全国対応のイベント21

Quick Summary

Event21.co.jp General Information

Event21.co.jp Safety Information

Event21.co.jp Server Information

Event21.co.jp Domain Name Information

Event21.co.jp HTML Validation

Event21.co.jp Desktop Insights

Event21.co.jp Mobile Insights

Event21.co.jp Typos

Event21.co.jp イベントレンタルや会場設営,看板なら!東京大阪全国対応のイベント21