Etrobo.jp ETロボコン | 組込みソフトウェア技術教育をテーマとした「ETロボコン」

組込みシステム分野における技術教育・人材育成をテーマとしたETソフトウェアデザインロボットコンテスト。日本の産業競争力に欠くことのできない重要な「組込みシステム」分野における技術教育をテーマに、決められた走行体で指定コースを自律走行する競技です。同一のハードウェア(LEGO Mindstorms™...

Etrobo.jp Overview

Etrobo.jp ranking shows that the page is at position 0 over the world.

Etrobo.jp hosting company servers are placed in the Japan, but, unfortunately, it’s not possible to identify the countries where the bulk of etrobo.jp users come from and, therefore, we couldn’t define if the distance can influence the webpage load time. See the list of other webpages hosted on MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US servers.

Etrobo.jp boasts a link base consisting of 222 referring domains and 242 external backlinks, as revealed by the data obtained from web network scanning.

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

According the last verification test in July 12, 2024, etrobo.jp has an expired wildcard SSL certificate issued by GlobalSign nv-sa (expired on January 27, 2025). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by GlobalSign nv-sa.

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

Etrobo.jp Rank Summary

Global Rank

Average Load Time

0.37sec

Links In Count

Website Value

Unknown

Audience Geography. Where are etrobo.jp visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on etrobo.jp?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is etrobo.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

Etrobo.jp Website Safety

Overview

Last Updated: 01/30/2025

Overall result - etrobo.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: 03/27/2024

etrobo.jp is safe.

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

Google Safe Search

Last Updated: 04/05/2019

etrobo.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

etrobo.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: 02/26/2021

etrobo.jp is safe.

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

Web of Trust

Last Updated: 01/30/2025

etrobo.jp child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	*.etrobo.jp
Issuer Organization	GlobalSign nv-sa
Issuer	GlobalSign GCC R3 DV TLS CA 2020
Algorithm	RSA-SHA256
Valid form	12/27/2023
Expiration	01/27/2025
Signed	Certificate is not self signed
Additional Domains	*.etrobo.jp etrobo.jp

Etrobo.jp Rank History

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

Etrobo.jp Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 8075

ASN Title: MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US

Last Update: 11/08/2024

#
# 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: 8068 - 8075
ASName: MICROSOFT-CORP-MSN-AS-BLOCK
ASHandle: AS8068
RegDate: 1997-03-31
Updated: 2013-09-04
Ref: https://rdap.arin.net/registry/autnum/8068

OrgName: Microsoft Corporation
OrgId: MSFT
Address: One Microsoft Way
City: Redmond
StateProv: WA
PostalCode: 98052
Country: US
RegDate: 1998-07-09
Updated: 2017-01-28
Comment: To report suspected security issues specific to traffic emanating from Microsoft online services, including the distribution of malicious content or other illicit or illegal material through a Microsoft online service, please submit reports to:
Comment: * https://cert.microsoft.com.
Comment:
Comment: For SPAM and other abuse issues, such as Microsoft Accounts, please contact:
Comment: * abuse@microsoft.com.
Comment:
Comment: To report security vulnerabilities in Microsoft products and services, please contact:
Comment: * secure@microsoft.com.
Comment:
Comment: For legal and law enforcement-related requests, please contact:
Comment: * msndcc@microsoft.com
Comment:
Comment: For routing, peering or DNS issues, please
Comment: contact:
Comment: * IOC@microsoft.com
Ref: https://rdap.arin.net/registry/entity/MSFT

OrgTechHandle: MRPD-ARIN
OrgTechName: Microsoft Routing, Peering, and DNS
OrgTechPhone: +1-425-882-8080
OrgTechEmail: IOC@microsoft.com
OrgTechRef: https://rdap.arin.net/registry/entity/MRPD-ARIN

OrgAbuseHandle: MAC74-ARIN
OrgAbuseName: Microsoft Abuse Contact
OrgAbusePhone: +1-425-882-8080
OrgAbuseEmail: abuse@microsoft.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/MAC74-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.
#

Etrobo.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] ETROBO.JP

[登録者名] アフレル
[Registrant] Afrel

[Name Server] ns1-03.azure-dns.com
[Name Server] ns2-03.azure-dns.net
[Name Server] ns3-03.azure-dns.org
[Name Server] ns4-03.azure-dns.info
[Signing Key]

[登録年月日] 2005/05/02
[有効期限] 2025/05/31
[状態] Active
[最終更新] 2024/06/24 13:47:47 (JST)

Contact Information: [公開連絡窓口]
[名前] Whois情報公開代行サービス by GMOクラウド
[Name] Whois Privacy Protection Service by GMO CLOUD
[Email] whoisproxy@gmocloud.com
[Web Page] http://www.rapidsite.jp/
[郵便番号] 150-8512
[住所] 東京都渋谷区桜丘町26番1号セルリアンタワー
[Postal Address] 26-1 Sakuragaoka-cho
Shibuya-ku Tokyo
[電話番号] 03-6415-6100
[FAX番号] 03-6415-6103

DNS Records

DNS Lookup Tool

Host	A Record	TTL
etrobo.jp	40.115.179.121	3600

Host	MX Record	Priority	TTL
etrobo.jp	mail.etrobo.jp	10	3600

Host	NS Record	TTL
etrobo.jp	ns1-03.azure-dns.com	172800
etrobo.jp	ns2-03.azure-dns.net	172800
etrobo.jp	ns3-03.azure-dns.org	172800
etrobo.jp	ns4-03.azure-dns.info	172800

Host	TXT Record	TTL
etrobo.jp	etrobohp.azurewebsites.net	3600
etrobo.jp	google-site-verification=hDKgKjJRMvthqP1_7-Bqfgpq0aPFYFM3UvUCKPaVTrE	3600
etrobo.jp	v=spf1 +ip6:2403:3a00:201:17:112:78:125:190 +ip4:112.78.125.190 ~all	3600

ns1-03.azure-dns.com
TTL: 3600
Email address: azuredns-hostmaster.microsoft.com
Serial: 1
Refresh: 3600
Retry: 300
Expire: 2419200
Minimum: 300

Etrobo.jp HTML Check

HTML Validation Tool

Warnings

Empty heading.

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

The “button” role is unnecessary for element “button”.

Errors

Element “img” is missing required attribute “src”.

The “sizes” attribute may be specified only if the “srcset” attribute is also present.

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

Bad value “bronzesponsor” for attribute “rel” on element “a”: The string “bronzesponsor” is not a registered keyword.

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

Etrobo.jp Desktop Performance

Last tested: 07/06/2019

Desktop Speed

49%

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

Reduce server response time

Optimize images

Enable compression

Leverage browser caching

Avoid landing page redirects

Minify CSS

Minify JavaScript

Desktop Resource Breakdown

Total Resources	156
Number of Hosts	29
Static Resources	103
JavaScript Resources	62
CSS Resources	30

Etrobo.jp Mobile Insights

Last tested: 05/25/2017

Mobile Usability

60%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Size content to viewport

Mobile Speed

25%

Optimize images

Leverage browser caching

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

Enable compression

Minify HTML

Minify JavaScript

Mobile Resource Breakdown

Total Resources	114
Number of Hosts	3
Static Resources	109
JavaScript Resources	4
CSS Resources	1

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