Seiha.com 【公式】子ども英会話・幼児教室のセイハ英語学院｜幼児、小学生、中学生向け英会話教室

0才からの子ども英会話教室「セイハ英語学院」の公式ホームページです。子ども英会話・幼児教室として神戸、大阪、札幌、名古屋、京都、横浜、埼玉、千葉、福岡に展開しています。子供英会話・幼児教室をお探しの方はお気軽にお問い合わせください。

Seiha.com Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 05/04/2024

Seiha.com traffic estimate is about 230 unique visitors and 690 pageviews per day. The approximated value of seiha.com is 5,840 USD. Every unique visitor makes about 3 pageviews on average.

Alexa Traffic Rank estimates that seiha.com is ranked number 21,784 in the world.

Seiha.com is registered under .COM top-level domain. Check other websites in .COM zone.

During the last check (October 05, 2019) seiha.com has an expired SSL certificate (expired on January 14, 2020), please click the “Refresh” button for SSL Information at the Safety Information section.

In accordance with Google Safe Browsing, Google Safe Search and Symantec seiha.com is pretty a safe domain.

Relying on Google Mobile-Friendly test seiha.com is well optimized for mobile and tablet devices, however website page loading time may be improved.

Seiha.com General Information

Seiha.com Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors

Seiha.com Traffic Distribution

Where do visitors go on seiha.com?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews

Seiha.com Popularity

How popular is seiha.com?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	962282	-9137928

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	944919	-9449372	3	10000%	3	200%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1040881	-8789975	4	4000%

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Seiha.com Safety Information

Rankchart Summary

Safe

Updated: 05/04/2024

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

Safe

Updated: 02/15/2024

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Safe

Updated: 03/31/2017

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 02/16/2021

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McAfee assesses seiha.com 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 seiha.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Not Checked

Updated: 05/04/2024

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

Seiha.com SSL Information

Information about SSL/TLS certificates

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Domain	www.seiha.com
Issuer Organization	Unknown
Issuer	KDDI Web Communications Certification Authority 3
Algorithm	RSA-SHA256
Valid form	01/07/2019
Expiration	01/14/2020
Signed	Certificate is not self signed
Additional Domains	www.seiha.com

SSL Checker

Seiha.com Server Information

Seiha.com Server Location

Where website hosting server is located?

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Seiha.com ASN Information

Information about IP address owner

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ASN ID: 9597

ASN Title: CPI-NET KDDI Web Communications Inc., JP

Updated: 03/09/2024

Raw ASN data:

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

% Information related to 'AS9216 - AS10239'

as-block: AS9216 - AS10239
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: 2009-05-19T07:00:23Z
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 'AS9591 - AS9622'

as-block: AS9591 - AS9622
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: 2017-06-12T03:54:30Z
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 'AS9597'

aut-num: AS9597
as-name: CPI-NET
descr: KDDI Web Communications Inc.
import: from AS2497 100 accept ANY
import: from AS2516 100 accept ANY
export: to AS2497 announce AS9597
export: to AS2516 announce AS9597
country: JP
admin-c: YM12747JP
tech-c: YM12747JP
last-modified: 2016-10-12T02:06:05Z
source: JPNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)

Geolocation

ASN Lookup

Seiha.com Domain Name Information

Seiha.com DNS Information

Domain name service records

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A

Host	A Record	TTL

Seiha.com Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Seiha.com HTML Validation

Seiha.com W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

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

Bad start tag in “img” in “head”.

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

Stray end tag “noscript”.

Stray end tag “head”.

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

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

HTML Validator

Seiha.com Desktop Performance

How Well Seiha.com Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

35%

Optimize images

Leverage browser caching

Reduce server response time

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

Minify JavaScript

Enable compression

Minify HTML

Minify CSS

Updated: 12/03/2019

Seiha.com Mobile Performance

How Optimized Is Seiha.com for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

67%

Size content to viewport

Size tap targets appropriately

Updated: 02/17/2018

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Total Resources	242
Number of Hosts	58
Static Resources	161
JavaScript Resources	39
CSS Resources	5

CSS	192.6 KBytes
Images	6.2 MBytes
HTML	216.8 KBytes
JavaScript	1.3 MBytes
Other	19.2 KBytes

Total Resources	232
Number of Hosts	49
Static Resources	151
JavaScript Resources	33
CSS Resources	5

CSS	192.1 KBytes
Images	6.7 MBytes
HTML	161.7 KBytes
JavaScript	784.7 KBytes
Other	18.4 KBytes