Isucon.net ISUCON公式Blog

お題となるWebサービスを決められたレギュレーションの中で限界まで高速化を図るチューニングバトル、それがISUCONです。

Isucon.net Overview

Isucon.net ranking shows that the page is at position 1,380,474 over the world.

Isucon.net hosting company servers are placed in the Japan, but, unfortunately, it’s not possible to identify the countries where the bulk of isucon.net 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 LINE LINE Corporation, JP servers.

In terms of rank-to-traffic ratio, isucon.net has 126 unique users per day, viewing 510 pages. The rank based value of isucon.net is 3,154 USD. Every user makes 4.32 pageviews on average.

Isucon.net boasts a link base consisting of 234 referring domains and 284 external backlinks, as revealed by the data obtained from web network scanning.

Isucon.net top-level domain belongs to .NET domain zone. Check other webpages in .NET zone.

According the last verification test in September 06, 2024, isucon.net has an expired SSL certificate issued by Let's Encrypt (expired on November 14, 2024). 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 isucon.net is a fairly safe domain.

According the Mobile-Friendly test by Google isucon.net is nice optimized for mobile devices and tablets.

Isucon.net Rank Summary

Global Rank
1,380,474
Average Load Time
1.11sec
Links In Count
40
Website Value
$2,920

Isucon.net Website Safety

logo
Overview
Last Updated: 12/25/2024
Overall result - isucon.net 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 logo
Norton Connect Safe
Last Updated: 03/21/2024
isucon.net is safe.
Norton ConnectSafe evaluates isucon.net for any unsafe and insecure content. The results are critical for families with young children.
Google logo
Google Safe Search
Last Updated: 10/25/2016
isucon.net 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 brwosing logo
Google Safe Browsing
Last Updated: 01/09/2019
isucon.net 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.
McAfee logo
Site Advisor
Last Updated: 02/23/2021
isucon.net is safe.
McAfee assesses isucon.net 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 isucon.net for mature or inappropriate content, only security checks are evaluated.
Web of trust logo
Web of Trust
Last Updated: 12/25/2024
isucon.net child safety is unknown.
The WOT calculates reputation of the isucon.net. This reputation system receives ratings from users and information from third-party sources, assesses the isucon.net for safety features and confirms, whether isucon.net is suitable for children.

SSL Information
Domainisucon.net
Issuer OrganizationLet's Encrypt
IssuerR11
AlgorithmRSA-SHA256
Valid form08/16/2024
Expiration11/14/2024
SignedCertificate is not self signed
Additional Domains isucon.net

Isucon.net Rank History

Isucon.net Hosting Information

Server Location

ASN Information

ASN ID: 38631

ASN Title: LINE LINE Corporation, JP

Last Update: 03/09/2024

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

% Information related to 'AS37888 - AS38911'

as-block: AS37888 - AS38911
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: 2009-09-29T06:04:16Z
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 'AS38627 - AS38656'

as-block: AS38627 - AS38656
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. 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: 2009-11-19T01:11:45Z
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 'AS38631'

aut-num: AS38631
as-name: LINE
descr: LINE Corporation
import: from AS2914 100 accept ANY
import: from AS2516 100 accept ANY
import: from AS2497 100 accept ANY
import: from AS23576 100 accept ANY
export: to AS2914 announce AS38631
export: to AS2516 announce AS38631
export: to AS2497 announce AS38631
export: to AS23576 announce AS38631
country: JP
admin-c: JP00034420
tech-c: JP00034420
last-modified: 2015-07-16T23:01:27Z
source: JPNIC

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

Isucon.net Domain Registration and Settings

WHOIS

Domain Name: ISUCON.NET
Registry Domain ID: 1805773830_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.markmonitor.com
Registrar URL: http://www.markmonitor.com
Updated Date: 2022-05-02T09:11:30Z
Creation Date: 2013-06-03T03:04:33Z
Registry Expiry Date: 2024-06-03T03:04:33Z
Registrar: MarkMonitor Inc.
Registrar IANA ID: 292
Registrar Abuse Contact Email: abusecomplaints@markmonitor.com
Registrar Abuse Contact Phone: +1.2086851750
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: ADNS1.NAVER.COM
Name Server: ADNS2.NAVER.COM
Name Server: NS1.NAVER.JP
Name Server: NS2.NAVER.JP
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-09-04T12:40:21Z


DNS Records
HostA RecordTTL
isucon.net203.104.130.159300
HostMX RecordPriorityTTL
HostNS RecordTTL
isucon.netns1.naver.jp3600
isucon.netns2.naver.jp3600
HostTXT RecordTTL

ns1.naver.jp
TTL: 3600
Email address: domain.linecorp.com
Serial: 2019070900
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 3600

Isucon.net HTML Check


Errors
Warnings

Isucon.net Desktop Performance

Last tested: 07/15/2016

Speedometer image
Desktop Speed
72%

Desktop Resource Breakdown
Total Resources126
Number of Hosts22
Static Resources70
JavaScript Resources23
CSS Resources7

Isucon.net Mobile Insights

Last tested: 01/25/2018

Speedometer image
Mobile Usability
100%
Speedometer image
Mobile Speed
64%

Mobile Resource Breakdown
Total Resources43
Number of Hosts17
Static Resources31
JavaScript Resources18
CSS Resources3

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