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 Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 11/15/2024

Isucon.net traffic estimate is about 118 unique visitors and 472 pageviews per day. The approximated value of isucon.net is 2,920 USD. Every unique visitor makes about 4 pageviews on average.

Alexa Traffic Rank estimates that isucon.net is ranked number 25,385 in the world.

Isucon.net server is located in Japan, but, unfortunately, we cannot identify the countries where the visitors come from and thus it’s impossible to define if the distance can potentially affect the page load time. See the list of other websites hosted by LINE LINE Corporation, JP.

Isucon.net is registered under .NET top-level domain. Check other websites in .NET zone.

During the last check (September 06, 2024) isucon.net has an expired SSL certificate issued by Let's Encrypt (expired on November 14, 2024), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Let's Encrypt.

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

Relying on Google Mobile-Friendly test isucon.net is well optimized for mobile and tablet devices.

Isucon.net General Information

Isucon.net Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors

Isucon.net Traffic Distribution

Where do visitors go on isucon.net?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews

Isucon.net Popularity

How popular is isucon.net?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	1380474	0
past month	650288	0

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1106246	0	2	0%	4	0%
30	541392	0	6	0%	4	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1629421	0	2	0%
30	767389	0	6	0%

Press rescan to collect fresh statistics for this website...

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Isucon.net Safety Information

Rankchart Summary

Safe

Updated: 11/15/2024

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: 03/21/2024

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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: 10/25/2016

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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: 02/23/2021

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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

Not Checked

Updated: 11/15/2024

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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.

Isucon.net SSL Information

Information about SSL/TLS certificates

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Domain	isucon.net
Issuer Organization	Let's Encrypt
Issuer	R11
Algorithm	RSA-SHA256
Valid form	08/16/2024
Expiration	11/14/2024
Signed	Certificate is not self signed
Additional Domains	isucon.net

SSL Checker

Isucon.net Server Information

Isucon.net Server Location

Where website hosting server is located?

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Isucon.net ASN Information

Information about IP address owner

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ASN ID: 38631

ASN Title: LINE LINE Corporation, 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 '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)

Geolocation

ASN Lookup

Isucon.net Domain Name Information

Isucon.net DNS Information

Domain name service records

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A
NS
SOA

Host	A Record	TTL
isucon.net	203.104.130.159	300

Host	NS Record	TTL
isucon.net	ns1.naver.jp	3600
isucon.net	ns2.naver.jp	3600

Isucon.net Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Isucon.net HTML Validation

Isucon.net W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

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

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

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

Text not allowed in element “ul” in this context.

Element “h1” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

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

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

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

The “allowtransparency” attribute on the “iframe” 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 “hspace” attribute on the “img” element is obsolete. Use CSS instead.

Warnings:

The “type” attribute is unnecessary for JavaScript resources.

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

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

Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).

HTML Validator

Isucon.net Desktop Performance

How Well Isucon.net Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

72%

Leverage browser caching

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

Enable compression

Optimize images

Minify JavaScript

Minify CSS

Minify HTML

Updated: 07/15/2016

Isucon.net Mobile Performance

How Optimized Is Isucon.net for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

100%

Updated: 01/25/2018

Isucon.net Nearest Competitors

Estimated Nearest Competitors Of Isucon.net

apb.es
gsell.fr
igesa.fr
observatoire-sante.fr
saubhagya.gov.in
atca.info
contentcamel.io
ecoo.it
informazioneambiente.it
milleunadonna.it
isucon.net
leshalles.net
abdijvanegmond.nl
kurk24.nl
tuinmeubelen-van-steigerhout.nl
weerkamer.nl
wijnemenjemee.nl
bhsbaltimore.org
flosspols.org
pet-store.org
tridec.org
motocaina.pl

Isucon.net URL Typos

Most common user URL mistypes for isucon.net

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Total Resources	126
Number of Hosts	22
Static Resources	70
JavaScript Resources	23
CSS Resources	7

CSS	151.0 KBytes
Images	478.8 KBytes
HTML	260.9 KBytes
JavaScript	1.3 MBytes
Other	93.7 KBytes

Total Resources	43
Number of Hosts	17
Static Resources	31
JavaScript Resources	18
CSS Resources	3

CSS	105.6 KBytes
Images	22.0 KBytes
HTML	113.0 KBytes
JavaScript	901.7 KBytes
Other	1.4 KBytes