Seasar.org The Seasar Project

私たちSeasarプロジェクトはオープンソースという仕組みの元、開発者のゆとりを実現できるプロダクトの開発と提供を通じて、ユーザと開発者とが共に喜びを分かち合える環境実現をお手伝いすることを目指し活動しています。

Seasar.org Overview

Seasar.org ranking shows that the page is at position 1,444,891 over the world.

Seasar.org hosting company servers are placed in the Japan, but, unfortunately, it’s not possible to identify the countries where the bulk of seasar.org 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 HOSEI-NET Hosei University, JP servers.

In terms of rank-to-traffic ratio, seasar.org has 512 unique users per day, viewing 517 pages. The rank based value of seasar.org is 3,154 USD. Every user makes 1.08 pageviews on average.

Seasar.org boasts a link base consisting of 308 referring domains and 357 external backlinks, as revealed by the data obtained from web network scanning.

Seasar.org top-level domain belongs to .ORG domain zone. Check other webpages in .ORG zone.

According the last verification test in April 03, 2023, seasar.org has an expired SSL certificate issued by Let's Encrypt (expired on May 24, 2023). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

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

Based on Mobile-Friendly test by Google seasar.org 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.

Seasar.org Rank Summary

Global Rank

1,444,891

Average Load Time

0.43sec

Links In Count

230

Website Value

$2,920

Audience Geography. Where are seasar.org visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on seasar.org?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is seasar.org?

Period	Global Rank	Global Rank Delta
past 3 months	1444891	1062907
past month	5147858	3518783
past week	3860630	0

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	2191848	1724363	1	-88.595%	1	-49.756%
30	6121360	3801170	0	-83.621%	1	-4.762%
7	4090048	0	0	0%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1179321	808033	3	-77.196%
30	4504780	3137242	5	-82.727%
7	3745018	0	6	0%

Seasar.org Website Safety

Overview

Last Updated: 11/23/2024

Overall result - seasar.org 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: 03/24/2024

seasar.org is safe.

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

Google Safe Search

Last Updated: 10/27/2016

seasar.org 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

seasar.org 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: 02/23/2021

seasar.org is safe.

McAfee assesses seasar.org 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 seasar.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 11/23/2024

seasar.org child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	seasar.org
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	02/23/2023
Expiration	05/24/2023
Signed	Certificate is not self signed
Additional Domains	*.seasar.org seasar.org

Seasar.org Rank History

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

Seasar.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 55379

ASN Title: HOSEI-NET Hosei University, JP

Last Update: 07/31/2024

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

% Information related to 'AS55296 - AS56319'

as-block: AS55296 - AS56319
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: 2009-09-03T01:15:30Z
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 'AS55372 - AS55396'

as-block: AS55372 - AS55396
descr: JPNIC-2Byte-ASBLOCK-AP
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: for assignment to JPNIC members
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can also be
remarks: queried at whois.nic.ad.jp
mnt-by: APNIC-HM
mnt-lower: MAINT-JPNIC
last-modified: 2010-01-18T05:42:24Z
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 'AS55379'

aut-num: AS55379
as-name: hosei-net
descr: Hosei University
import:
export:
country: JP
admin-c: JP00056472
tech-c: JP00056472
last-modified: 2010-05-12T22:41:30Z
source: JPNIC

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

Seasar.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: seasar.org
Registry Domain ID: dd3ac2b9315a4b0090b1d3aa7f8aa2c7-LROR
Registrar WHOIS Server: http://whois.discount-domain.com
Registrar URL: http://www.onamae.com
Updated Date: 2024-06-16T06:51:22Z
Creation Date: 2003-07-28T09:57:55Z
Registry Expiry Date: 2025-07-28T09:57:55Z
Registrar: GMO Internet Group, Inc. d/b/a Onamae.com
Registrar IANA ID: 49
Registrar Abuse Contact Email: abuse@gmo.jp
Registrar Abuse Contact Phone: +81.337709199
Domain Status: ok https://icann.org/epp#ok
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: The Seasar Foundation
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Tokyo
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: JP
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns01.seasar.org
Name Server: ns02.seasar.org
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-10-18T21:22:44Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
seasar.org	133.25.90.134	900

Host	MX Record	Priority	TTL
seasar.org	mx02.seasar.org	10	900
seasar.org	mx01.seasar.org	20	900

Host	NS Record	TTL
seasar.org	ns02.seasar.org	900
seasar.org	ns01.seasar.org	900

Host	TXT Record	TTL

ns01.seasar.org
TTL: 900
Email address: admin.seasar.org
Serial: 2019030300
Refresh: 3600
Retry: 600
Expire: 1209600
Minimum: 3600

Seasar.org HTML Check

HTML Validation Tool

Errors

Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)

Obsolete doctype. Expected “<!DOCTYPE html>”.

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

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

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

Attribute “alt” not allowed on element “a” at this point.

Stray end tag “a”.

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

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

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

Warnings

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

Seasar.org Desktop Performance

Last tested: 09/19/2015

Desktop Speed

87%

Leverage browser caching

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

Optimize images

Minify HTML

Desktop Resource Breakdown

Total Resources	15
Number of Hosts	2
Static Resources	13
CSS Resources	4

Seasar.org Mobile Insights

Last tested: 06/28/2019

Mobile Usability

59%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Mobile Speed

74%

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

Leverage browser caching

Optimize images

Minify HTML

Mobile Resource Breakdown

Total Resources	15
Number of Hosts	2
Static Resources	13
CSS Resources	4

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Seasar.org The Seasar Project

Seasar.org Overview

Seasar.org Rank Summary

Seasar.org Website Safety

Seasar.org Rank History

Seasar.org Hosting Information

Seasar.org Domain Registration and Settings

Seasar.org HTML Check

Seasar.org Desktop Performance

Seasar.org Mobile Insights

Seasar.org Similar Audits

Seasar.org Common Typos