Sendai-c.ed.jp 仙台市教育センター

Sendai-c.ed.jp Overview

Sendai-c.ed.jp ranking shows that the page is at position 305,789 over the world.

Sendai-c.ed.jp hosting company servers are placed in the Japan, but, unfortunately, it’s not possible to identify the countries where the bulk of sendai-c.ed.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 OCN NTT Communications Corporation, JP servers.

In terms of rank-to-traffic ratio, sendai-c.ed.jp has 838 unique users per day, viewing 2,343 pages. The rank based value of sendai-c.ed.jp is 42,616 USD. Every user makes 3.00 pageviews on average.

Sendai-c.ed.jp boasts a link base consisting of 565 referring domains and 787 external backlinks, as revealed by the data obtained from web network scanning.

Sendai-c.ed.jp top-level domain belongs to .JP domain zone. Check other webpages in .JP zone.

According the last verification test in July 09, 2024, sendai-c.ed.jp has a valid and up-to-date wildcard SSL certificate issued by GlobalSign nv-sa , certificate expiration date: April 16, 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, Symantec and Web of Trust sendai-c.ed.jp is a fairly safe domain.

Based on Mobile-Friendly test by Google sendai-c.ed.jp is poorly optimized for mobile phones and tablets. Remember that optimizing your website design for mobile devices ensures that all of your web pages perform well on all devices.

Sendai-c.ed.jp Rank Summary

Global Rank

305,789

Average Load Time

0.20sec

Links In Count

346

Website Value

$39,459

Audience Geography. Where are sendai-c.ed.jp visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on sendai-c.ed.jp?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is sendai-c.ed.jp?

Period	Global Rank	Global Rank Delta
past 3 months	305789	-58533
past month	351654	-54036

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	324970	-61571	13	30%	2.8	5%
30	255605	-233470	18	100%	6	200%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	319474	-59391	17	30%
30	435691	34730	1	-5.047%

Sendai-c.ed.jp Website Safety

Overview

Last Updated: 12/27/2024

Overall result - sendai-c.ed.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: 03/26/2024

sendai-c.ed.jp is safe.

Norton ConnectSafe evaluates sendai-c.ed.jp for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 03/30/2019

sendai-c.ed.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

sendai-c.ed.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: 02/25/2021

sendai-c.ed.jp is safe.

McAfee assesses sendai-c.ed.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 sendai-c.ed.jp for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

sendai-c.ed.jp child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	*.sendai-c.ed.jp
Issuer Organization	GlobalSign nv-sa
Issuer	GlobalSign RSA OV SSL CA 2018
Algorithm	RSA-SHA256
Valid form	03/15/2024
Expiration	04/16/2025
Signed	Certificate is not self signed
Additional Domains	*.sendai-c.ed.jp sendai-c.ed.jp

Sendai-c.ed.jp Rank History

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

Sendai-c.ed.jp Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 4713

ASN Title: OCN NTT Communications Corporation, JP

Last Update: 11/04/2024

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

% Information related to 'AS4608 - AS4864'

as-block: AS4608 - AS4864
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2008-09-04T06:40:26Z
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 'AS4672 - AS4735'

as-block: AS4672 - AS4735
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.
remarks: 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: 2017-06-12T03:54:29Z
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 'AS4713'

aut-num: AS4713
as-name: OCN
descr: NTT Communications Corporation
import:
export:
country: JP
admin-c: AY1361JP
tech-c: TT10660JP
tech-c: TT15086JP
last-modified: 2009-11-14T02:13:12Z
source: JPNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)

Sendai-c.ed.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] SENDAI-C.ED.JP
e. [そしきめい] せんだいしきょういくせんたー
f. [組織名] 仙台市教育センター
g. [Organization] Sendai Municipal Center of Education
k. [組織種別] 公立の教育センター
(複数のED登録対象組織をまとめるもの)
l. [Organization Type] Educational Center
m. [登録担当者] TI7010JP
n. [技術連絡担当者] KH6289JP
p. [ネームサーバ] gryffindor.sendai-c.ed.jp
p. [ネームサーバ] hogwarts.sendai-c.ed.jp
s. [署名鍵]
[状態] Connected (2025/06/30)
[登録年月日] 1999/06/24
[接続年月日] 1999/06/28
[最終更新] 2024/07/01 01:03:02 (JST)

DNS Records

DNS Lookup Tool

Host	A Record	TTL
sendai-c.ed.jp	210.163.212.10	600

Host	MX Record	Priority	TTL
sendai-c.ed.jp	gryffindor.sendai-c.ed.jp	10	600

Host	NS Record	TTL
sendai-c.ed.jp	gryffindor.sendai-c.ed.jp	600
sendai-c.ed.jp	hogwarts.sendai-c.ed.jp	600

Host	TXT Record	TTL
sendai-c.ed.jp	MS=074EA72AC908C9900CEF254FCB3BB7C621697992	600
sendai-c.ed.jp	globalsign-domain-verification=4NnTFVa9XeTQcU11sy23wbnzMgRre7judADQsfE3Qr	600
sendai-c.ed.jp	apple-domain-verification=MFcxhXOaFr2xPk6x	600
sendai-c.ed.jp	v=spf1 +ip4:210.163.212.0/25 ~all	600

hogwarts.sendai-c.ed.jp
TTL: 600
Email address: root.sendai-c.ed.jp
Serial: 2303091110
Refresh: 10800
Retry: 3600
Expire: 1209600
Minimum: 86400

Sendai-c.ed.jp HTML Check

HTML Validation Tool

Errors

Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.

The “background” attribute on the “body” element is obsolete. Use CSS instead.

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

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

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

The “height” attribute on the “td” element is obsolete. Use CSS instead.

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

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

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

The “font” element is obsolete. Use CSS instead.

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

Table columns in range 2…4 established by element “td” have no cells beginning in them.

Table column 6 established by element “td” has no cells beginning in it.

Table column 8 established by element “td” has no cells beginning in it.

Attribute “height” not allowed on element “table” at this point.

The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.

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

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

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

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

Attribute “background” not allowed on element “table” at this point.

Attribute “background” not allowed on element “td” at this point.

Warnings

The “language” attribute on the “script” element is obsolete. You can safely omit it.

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

A table row was 6 columns wide, which is less than the column count established by the first row (7).

Sendai-c.ed.jp Desktop Performance

Last tested: 11/14/2015

Desktop Speed

76%

Leverage browser caching

Enable compression

Optimize images

Minify HTML

Desktop Resource Breakdown

Total Resources	48
Number of Hosts	3
Static Resources	44

Sendai-c.ed.jp Mobile Insights

Last tested: 08/27/2019

Mobile Usability

58%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Size content to viewport

Mobile Speed

73%

Leverage browser caching

Enable compression

Optimize images

Minify HTML

Mobile Resource Breakdown

Total Resources	45
Number of Hosts	3
Static Resources	41

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Sendai-c.ed.jp 仙台市教育センター

Sendai-c.ed.jp Overview

Sendai-c.ed.jp Rank Summary

Sendai-c.ed.jp Website Safety

Sendai-c.ed.jp Rank History

Sendai-c.ed.jp Hosting Information

Sendai-c.ed.jp Domain Registration and Settings

Sendai-c.ed.jp HTML Check

Sendai-c.ed.jp Desktop Performance

Sendai-c.ed.jp Mobile Insights

Sendai-c.ed.jp Similar Audits

Sendai-c.ed.jp Common Typos