Tm-21.co.jp ティーエム21　島根県松江市のホームページ制作会社

ティーエム21は拡張性と機能性に優れた自社開発CMS『スサノオ神話』をベースに、お客様の課題解決につながるホームページ制作が得意です。

Tm-21.co.jp Overview

Tm-21.co.jp ranking shows that the page is at position 0 over the world.

In terms of rank-to-traffic ratio, tm-21.co.jp has 1,779 unique users per day, viewing 3,594 pages. The rank based value of tm-21.co.jp is 2,595 USD. Every user makes 2.14 pageviews on average.

Tm-21.co.jp boasts a link base consisting of 268 referring domains and 291 external backlinks, as revealed by the data obtained from web network scanning.

Tm-21.co.jp top-level domain belongs to .JP domain zone. Check other webpages in .JP zone.

According the last verification test in July 03, 2025, tm-21.co.jp has a valid and up-to-date SSL certificate issued by Sectigo Limited , certificate expiration date: July 02, 2026. Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Sectigo Limited.

Based on data from Google Safe Browsing, Google Safe Search and Symantec tm-21.co.jp is a fairly safe domain.

According the Mobile-Friendly test by Google tm-21.co.jp is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Tm-21.co.jp Rank Summary

Global Rank

Average Load Time

0.00sec

Links In Count

Website Value

$2,402

Audience Geography. Where are tm-21.co.jp visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on tm-21.co.jp?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is tm-21.co.jp?

Period	Global Rank	Global Rank Delta

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta

Tm-21.co.jp Website Safety

Overview

Last Updated: 02/27/2026

Overall result - tm-21.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: 02/19/2026

tm-21.co.jp is safe.

Norton ConnectSafe evaluates tm-21.co.jp for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 04/18/2017

tm-21.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

tm-21.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: 02/16/2021

tm-21.co.jp is safe.

McAfee assesses tm-21.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 tm-21.co.jp for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 02/27/2026

tm-21.co.jp child safety is unknown.

The WOT calculates reputation of the tm-21.co.jp. This reputation system receives ratings from users and information from third-party sources, assesses the tm-21.co.jp for safety features and confirms, whether tm-21.co.jp is suitable for children.

SSL Information

SSL Checker Tool

Domain	susanoo03.susanoo-inst.com
Issuer Organization	Sectigo Limited
Issuer	Sectigo Public Server Authentication CA DV R36
Algorithm	RSA-SHA384
Valid form	06/02/2025
Expiration	07/02/2026
Signed	Certificate is not self signed
Additional Domains	susanoo03.susanoo-inst.com www.susanoo03.susanoo-inst.com

Tm-21.co.jp Rank History

Alexa Rank shows how popular tm-21.co.jp is in comparison with other sites. The most popular site has Alexa Rank equals 1. If tm-21.co.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 tm-21.co.jp and pageviews on tm-21.co.jp over the past 3 months.

Tm-21.co.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: 09/11/2025

#
# 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.
#

Tm-21.co.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]
a. [ドメイン名] TM-21.CO.JP
e. [そしきめい] かぶしきがいしゃてぃーえむにじゅういち
f. [組織名] 株式会社ティーエム21
g. [Organization] tm21 Inc.
k. [組織種別] 株式会社
l. [Organization Type] Corporation
m. [登録担当者] TM14851JP
n. [技術連絡担当者] TM14851JP
p. [ネームサーバ] ns1.sanmedia.or.jp
p. [ネームサーバ] ns2.sanmedia.or.jp
s. [署名鍵]
[状態] Connected (2023/04/30)
[登録年月日] 2007/04/13
[接続年月日] 2007/04/13
[最終更新] 2022/05/01 01:10:11 (JST)

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Tm-21.co.jp HTML Check

HTML Validation Tool

Errors

Bad value “screen,tv,print” for attribute “media” on element “link”: Deprecated media type “tv”. For guidance, see the Media Types section in the current Media Queries specification.

Element “script” must not have attribute “charset” unless attribute “src” is also specified.

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

End tag “br”.

Stray end tag “a”.

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

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

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

Duplicate ID “content-top”.

Duplicate ID “slider”.

Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.

Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.

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

Unclosed element “a”.

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

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

End tag “a” violates nesting rules.

Cannot recover after last error. Any further errors will be ignored.

Warnings

The “charset” attribute on the “script” element is obsolete.

The “type” attribute is unnecessary for JavaScript resources.

The first occurrence of ID “content-top” was here.

The first occurrence of ID “slider” was here.

Tm-21.co.jp Desktop Performance

Last tested: 02/27/2019

Desktop Speed

30%

Optimize images

Leverage browser caching

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

Minify CSS

Minify JavaScript

Reduce server response time

Minify HTML

Desktop Resource Breakdown

Total Resources	145
Number of Hosts	13
Static Resources	130
JavaScript Resources	53
CSS Resources	21

Tm-21.co.jp Mobile Insights

Last tested: 02/27/2019

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

23%

Optimize images

Leverage browser caching

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

Reduce server response time

Minify CSS

Minify JavaScript

Minify HTML

Mobile Resource Breakdown

Total Resources	148
Number of Hosts	13
Static Resources	133
JavaScript Resources	51
CSS Resources	23

Tm-21.co.jp Common Typos

www.tm-21.com
www.tm-21.net
www.tm-21.org
www.tm-21.info
www.tm-21.biz
www.tm-21.us
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www.rm-21.co.jp
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www.rtm-21.co.jp
www.fm-21.co.jp
www.tfm-21.co.jp
www.ftm-21.co.jp
www.gm-21.co.jp
www.tgm-21.co.jp
www.gtm-21.co.jp
www.ym-21.co.jp
www.tym-21.co.jp
www.ytm-21.co.jp
www.t-21.co.jp
www.tn-21.co.jp
www.tmn-21.co.jp
www.tnm-21.co.jp
www.tj-21.co.jp
www.tmj-21.co.jp
www.tjm-21.co.jp
www.tk-21.co.jp
www.tmk-21.co.jp
www.tkm-21.co.jp
www.tm21.co.jp
www.tm-1.co.jp
www.tm-2.co.jp

Tm-21.co.jp ティーエム21 島根県松江市のホームページ制作会社

ティーエム21は拡張性と機能性に優れた自社開発CMS『スサノオ神話』をベースに、お客様の課題解決につながるホームページ制作が得意です。

Tm-21.co.jp Overview

Tm-21.co.jp Rank Summary

Tm-21.co.jp Website Safety

Tm-21.co.jp Rank History

Tm-21.co.jp Hosting Information

Tm-21.co.jp Domain Registration and Settings

Tm-21.co.jp HTML Check

Tm-21.co.jp Desktop Performance

Tm-21.co.jp Mobile Insights

Tm-21.co.jp Similar Audits

Tm-21.co.jp Common Typos

Tm-21.co.jp ティーエム21　島根県松江市のホームページ制作会社