webサイトのSEO対策の議論において「サブドメインの有用性」がフォーカスされることがあります。今日はサブドメインとは何なのか、そしてサブドメインはSEOにおいてどのように有効に働くのかを書いてみます。

3.55 Rating by CuteStat

doubleloop.co.jp is 1 decade 4 years old. It is a domain having co.jp extension. This website is estimated worth of $ 8.95 and have a daily income of around $ 0.15. As no active threats were reported recently by users, doubleloop.co.jp is SAFE to browse.

PageSpeed Score
42
Siteadvisor Rating
No Risk Issues

Traffic Report

Daily Unique Visitors: Not Applicable
Daily Pageviews: Not Applicable

Estimated Valuation

Income Per Day: $ 0.15
Estimated Worth: $ 8.95

Search Engine Indexes

Google Indexed Pages: 606
Bing Indexed Pages: Not Applicable

Search Engine Backlinks

Google Backlinks: 106,000
Bing Backlinks: Not Applicable

Safety Information

Google Safe Browsing: No Risk Issues
Siteadvisor Rating: No Risk Issues
WOT Trustworthiness: Not Applicable
WOT Child Safety: Not Applicable

Website Ranks & Scores

Alexa Rank: Not Applicable
Domain Authority: Not Applicable

Web Server Information

Hosted IP Address:

202.172.26.31

Hosted Country:

Japan JP

Location Latitude:

35.6897

Location Longitude:

139.6895

Page Resources Breakdown

Homepage Links Analysis

Website Inpage Analysis

H1 Headings: 1 H2 Headings: 1
H3 Headings: 7 H4 Headings: 2
H5 Headings: Not Applicable H6 Headings: Not Applicable
Total IFRAMEs: 1 Total Images: 37
Google Adsense: Not Applicable Google Analytics: UA-15679345-1

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DOMAIN ERROR

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HTTP Header Analysis

HTTP/1.1 200 OK
Date: Fri, 13 Dec 2019 20:46:08 GMT
Server: Apache
Link: <https://www.doubleloop.co.jp/wp-json/>; rel="https://api.w.org/"
Strict-Transport-Security: max-age=31536000
Upgrade: h2
Connection: Upgrade
Vary: Accept-Encoding,User-Agent
Content-Encoding: gzip
Transfer-Encoding: chunked
Content-Type: text/html; charset=UTF-8

Domain Nameserver Information

Host IP Address Country
ns1.value-domain.com 172.64.52.161 United States of America United States of America
ns2.value-domain.com 172.64.53.115 United States of America United States of America
ns3.value-domain.com 172.64.52.38 United States of America United States of America
ns4.value-domain.com 172.64.53.3 United States of America United States of America
ns5.value-domain.com 172.64.53.3 United States of America United States of America

DNS Record Analysis

Host Type TTL Extra
doubleloop.co.jp A 1199 IP: 202.172.26.31
doubleloop.co.jp NS 1200 Target: ns2.value-domain.com
doubleloop.co.jp NS 1200 Target: ns1.value-domain.com
doubleloop.co.jp SOA 2560 MNAME: ns2.value-domain.com
RNAME: hostmaster.doubleloop.co.jp
Serial: 1576269366
Refresh: 16384
Retry: 2048
Expire: 1048576
Minimum TTL: 2560
doubleloop.co.jp MX 1200 Priority: 10
Target: doubleloop.co.jp
doubleloop.co.jp TXT 1200 TXT: MS=ms76977896
doubleloop.co.jp TXT 1200 TXT: v=spf1 ip4:202.172.26.31
include:mxr.valueserver.jp ~all

Full WHOIS Lookup

[ 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:
a. [Domain Name] DOUBLELOOP.CO.JP
g. [Organization] Doubleloop Corp
l. [Organization Type] Corporation
m. [Administrative Contact] HF5393JP
n. [Technical Contact] HF5393JP
p. [Name Server] ns1.value-domain.com
p. [Name Server] ns2.value-domain.com
p. [Name Server] ns3.value-domain.com
p. [Name Server] ns4.value-domain.com
p. [Name Server] ns5.value-domain.com
s. [Signing Key]
[State] Connected (2020/04/30)
[Registered Date] 2010/04/13
[Connected Date] 2010/04/13
[Last Update] 2019/05/01 01:15:24 (JST)