decn.co.jp ▷ 日刊建設工業新聞

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 2.45 sec.
Last Checked: 11/15/2024

Decn.co.jp traffic volume is 2,521 unique daily visitors and their 2,521 pageviews. The web value rate of decn.co.jp is 49,209 USD. Each visitor makes around 1.07 page views on average.

By Alexa's traffic estimates decn.co.jp placed at 25,330 position over the world, while the largest amount of its visitors comes from Japan, where it takes 20,558 place.

Perfect for decn.co.jp that their data center (provided by company company AMAZON-02 - Amazon.com, Inc., US) is located in Japan, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by AMAZON-02 - Amazon.com, Inc., US.

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

The last verification results, performed on (February 14, 2023) decn.co.jp show that decn.co.jp has an expired SSL certificate issued by Sectigo Limited (expired on April 22, 2023). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Sectigo Limited.

In accordance with Google Safe Browsing, Symantec and Web of Trust decn.co.jp is pretty a safe domain.

Relying Google MobileFriendly test decn.co.jp is well optimized for mobile and tablet devices, however web page loading speed may be improved.

Decn.co.jp General Information

Global Rank

293,530

Average Load Time

1.85sec

Links In Count

304

Website Value

$45,990

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

Country	Visitors
Japan JP	100%

Country	Pageviews
Japan JP	100%

Country	Rank
Japan JP	20558

Where do visitors go on decn.co.jp?

Subdomain	Pageviews
decn.co.jp	100%

Subdomain	Pageviews per User
decn.co.jp	1

Subdomain	Reach
decn.co.jp	100%

How popular is decn.co.jp?

Period	Global Rank	Global Rank Delta
past 3 months	293530	-81218
past month	234454	-79362
past week	186381	-55135

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	507522	-121183	7	30%	1	-4.762%
30	413035	-135670	9	40%	1	0%
7	334755	-99455	1	30%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	229944	-68093	25	40%
30	183063	-63271	32	40%
7	145741	-44061	4	30%

Decn.co.jp Safety Information

Overview

Last Updated: 11/15/2024

Unknown status.

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

decn.co.jp is safe.

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

Google Safe Search

Last Updated: 11/15/2024

Unknown status.

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

decn.co.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

decn.co.jp is safe.

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

Web of Trust

Last Updated: 01/10/2019

decn.co.jp child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	www.decn.co.jp
Issuer Organization	Sectigo Limited
Issuer	Sectigo RSA Domain Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	03/23/2022
Expiration	04/22/2023
Signed	Certificate is not self signed
Additional Domains	www.decn.co.jp decn.co.jp

Decn.co.jp Server Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

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

Last Update: 07/31/2024

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.
#

Decn.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] DECN.CO.JP
e. [そしきめい] かぶしきがいしゃにっかんけんせつこうぎょうしんぶんしゃ
f. [組織名] 株式会社日刊建設工業新聞社
g. [Organization] THE NIKKAN KENSETSU-KOGYO SHINBUN,LTD.
k. [組織種別] 株式会社
l. [Organization Type] Company
m. [登録担当者] NT616JP
n. [技術連絡担当者] YN1205JP
p. [ネームサーバ] ns-696.awsdns-23.net
p. [ネームサーバ] ns-1825.awsdns-36.co.uk
p. [ネームサーバ] ns-1360.awsdns-42.org
p. [ネームサーバ] ns-322.awsdns-40.com
s. [署名鍵]
[状態] Connected (2025/03/31)
[登録年月日] 1999/03/03
[接続年月日] 1999/03/17
[最終更新] 2024/04/01 01:01:18 (JST)

DNS Records

DNS Lookup Tool

Host	A Record	TTL
decn.co.jp	103.37.108.199	600

Host	MX Record	Priority	TTL
decn.co.jp	mail.decn.co.jp	20	600
decn.co.jp	mf.z-hosts.com	10	600

Host	NS Record	TTL
decn.co.jp	ns3.zen-sv.com	600
decn.co.jp	ns1.zen-sv.com	600
decn.co.jp	ns2.zen-sv.com	600

Host	TXT Record	TTL
decn.co.jp	v=spf1 mx +ip4:202.234.10.102/32 +ip4:103.231.192.181/32 include:spf.z-hosts.com ~all	600

ns1.zen-sv.com
TTL: 600
Email address: svinfo.zen-sv.com
Serial: 2019032501
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 600

Decn.co.jp HTML Validation

HTML Validation Tool

Errors

The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “{” instead.

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

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

End tag “div” seen, but there were open elements.

Unclosed element “h3”.

Element “h3” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

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

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

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

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

End tag “h1” seen, but there were open elements.

The “align” attribute on the “img” element is obsolete. Use CSS instead.

Warnings

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

Decn.co.jp Desktop Insights

Last tested: 12/06/2018

Desktop

Desktop Speed

Optimize images

Leverage browser caching

Enable compression

Avoid landing page redirects

Reduce server response time

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

Minify HTML

Minify JavaScript

Minify CSS

Desktop Resource Breakdown

Total Resources	75
Number of Hosts	8
Static Resources	58
JavaScript Resources	18
CSS Resources	2

Decn.co.jp Mobile Insights

Last tested: 12/06/2018

Mobile

Mobile Usability

100%

Mobile Speed

50%

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

Avoid landing page redirects

Enable compression

Leverage browser caching

Reduce server response time

Minify HTML

Minify CSS

Optimize images

Minify JavaScript

Mobile Resource Breakdown

Total Resources	23
Number of Hosts	2
Static Resources	11
JavaScript Resources	8
CSS Resources	2

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Decn.co.jp 日刊建設工業新聞

Quick Summary

Decn.co.jp General Information

Decn.co.jp Safety Information

Decn.co.jp Server Information

Decn.co.jp Domain Name Information

Decn.co.jp HTML Validation

Decn.co.jp Desktop Insights

Decn.co.jp Mobile Insights

Decn.co.jp Nearest Competitors

Decn.co.jp Typos