Atcoder.jp - Cf16-exhibition-final.contest.atcoder.jp

CODE FESTIVAL 2016 Grand Final - AtCoder

Domain Summary

What IP addresses does Cf16-exhibition-final.contest.atcoder.jp resolve to?

• Cf16-exhibition-final.contest.atcoder.jp resolves to the IP addresses 18.178.183.241.

Where are Cf16-exhibition-final.contest.atcoder.jp servers located in?

• Cf16-exhibition-final.contest.atcoder.jp has servers located in Tokyo, Tokyo, 151-0053, Japan.

cf16-exhibition-final.contest.atcoder.jp Profile

Title:CODE FESTIVAL 2016 Grand Final - AtCoder Description:AtCoder is a programming contest site for anyone from beginners to experts. We hold weekly programming contests online.

Edit Site Info

What technologies does cf16-exhibition-final.contest.atcoder.jp use?

These are the technologies used at cf16-exhibition-final.contest.atcoder.jp. cf16-exhibition-final.contest.atcoder.jp has a total of 12 technologies installed in 12 different categories.

Widgets

AddToAny

CDN

Amazon Cloudfront

UI frameworks

Bootstrap

Analytics

Google Analytics

Security

HSTS

JavaScript Libraries

jQuery

Moment.js

Web Servers

Nginx

Reverse proxies

Nginx

Miscellaneous

Open Graph

Web Frameworks

Revel

PaaS

Amazon Web Services

Programming Languages

cf16-exhibition-final.contest.atcoder.jp Traffic Analysis

There's no enough data about cf16-exhibition-final.contest.atcoder.jp traffic.

Daily Visitors n/a

Monthly Visits n/a

Pages per Visit n/a

Visit duration n/a

Bounce Rate n/a

Is this your site?Verify your site's metrics.

Daily Unique Visitors:: n/a
Monthly Visits:: n/a
Pages per Visit:: n/a
Daily Pageviews:: n/a

Avg. visit duration:: n/a
Bounce rate:: n/a
Global Reach:: n/a
HypeRank:: n/a

*All traffic values are estimates only.

Last update was 72 days ago

This can take up to 60 seconds. Please wait...

*HypeStat.com is not promoting or affiliated with atcoder.jp in any way. Only publicly available statistics data are displayed.

▼

SEMrush is a complete on line advertising and marketing platform that gives a extensive variety of gear and functions to help companies and entrepreneurs in enhancing their on line visibility and optimizing their virtual advertising and marketing strategies.

Domain:: cf16-exhibition-final.contest.atcoder.jp
Rank: (Rank based on keywords, cost and organic traffic): n/a
Organic Keywords: (Number of keywords in top 20 Google SERP): 0
Organic Traffic: (Number of visitors coming from top 20 search results): 0
Organic Cost: ((How much need to spend if get same number of visitors from Google Adwords): $0.00

Full SEMrush Report >>

Ad Experience Report ▼

Summary of the ad experience rating of a website for a specific platform.

Mobile summary

Root domain:: atcoder.jp
Ad filtering: (Chrome is not filtering ads on your site.): Off
Status: (The status of the site that is reviewed for the Better Ads Standards.): Not reviewed

Desktop summary

Root domain:: atcoder.jp
Ad filtering: (Chrome is not filtering ads on your site.): Off
Status: (The status of the site that is reviewed for the Better Ads Standards.): Not reviewed

Abusive Experience Report ▼

Summary of the abusive experience rating of a website.

Root domain:: atcoder.jp
Enforcement: (Chrome is not preventing your site from opening new windows or tabs.): Off
Status: (The status of the site reviewed for the abusive experiences.): Not reviewed

Where is cf16-exhibition-final.contest.atcoder.jp hosted? ▼

Cf16-exhibition-final.contest.atcoder.jp may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.

Server IP:: 18.178.183.241
ASN:: AS16509
ISP:: Amazon.com, Inc.
Server Location:: Tokyo
Tokyo, 13
151-0053
Japan, JP

Other sites hosted on 18.178.183.241

There are no other sites hosted on this IP

How fast does cf16-exhibition-final.contest.atcoder.jp load? ▼

The average loading time of cf16-exhibition-final.contest.atcoder.jp is 1788 ms.

Average Load Time:: 1788 ms

Does cf16-exhibition-final.contest.atcoder.jp use compression? ▼

Website compression is the process of reducing the size of website files, such as HTML, CSS, JavaScript, and image files, to improve website performance and load times. Compressing website files can significantly reduce the amount of data that needs to be transferred from the server to the user's browser, resulting in faster page load times and improved user experience. Files on cf16-exhibition-final.contest.atcoder.jp are reduced by 72%.

cf16-exhibition-final.contest.atcoder.jp use gzip compression.

Original size: 15.31 KB
Compressed size: 4.27 KB
File reduced by: 11.04 KB (72%)

Google Safe Browsing ▼

Google Safe Browsing is a service provided by Google that helps protect users from visiting websites that may contain malicious or harmful content, such as malware, phishing attempts, or deceptive software.

This site is not currently listed as suspicious

SSL Checker - SSL Certificate Verify ▼

An SSL (Secure Sockets Layer) certificate is a digital certificate that establishes a secure encrypted connection between a web server and a user's web browser. It provides authentication and encryption, ensuring that data transmitted between the server and the browser remains private and protected. cf16-exhibition-final.contest.atcoder.jp supports HTTPS.

cf16-exhibition-final.contest.atcoder.jp supports HTTPS

Verifying SSL Support. Please wait...

Common Name: atcoder.jp
Organization:
Location:
Issuer: Amazon RSA 2048 M03
Valid from: May 1 00:00:00 2025 GMT
Valid until: May 31 23:59:59 2026 GMT
Authority: CA:FALSE
Keysize: 2048 Bits

Common Name: Amazon RSA 2048 M03
Organization: Amazon
Location: US
Issuer: Amazon Root CA 1
Valid from: Aug 23 22:26:04 2022 GMT
Valid until: Aug 23 22:26:04 2030 GMT
Authority: CA:TRUE
Keysize: 2048 Bits

Common Name: Amazon Root CA 1
Organization: Amazon
Location: US
Issuer: Starfield Services Root Certificate Authority - G2
Valid from: May 25 12:00:00 2015 GMT
Valid until: Dec 31 01:00:00 2037 GMT
Authority: CA:TRUE
Keysize: 2048 Bits

Verify HTTP/2 Support ▼

HTTP/2 (Hypertext Transfer Protocol version 2) is a major revision of the HTTP protocol, which is the foundation of data communication on the World Wide Web. It was developed as an improvement over the previous HTTP/1.1 version to enhance web performance and efficiency.

cf16-exhibition-final.contest.atcoder.jp supports HTTP/2

Verifying HTTP/2.0 Support. Please wait...

Http Header ▼

HTTP headers are extra portions of records despatched among a consumer (which include an internet browser) and a server at some stage in an HTTP request or response. They offer instructions, metadata, or manipulate parameters for the conversation among the consumer and server.

date: Mon, 01 Sep 2025 16:39:25 GMT
content-type: text/html
content-length: 162
location: https://atcoder.jp/contests/cf16-exhibition-final/
server: nginx

HTTP/2 200 
content-type: text/html; charset=utf-8
date: Mon, 01 Sep 2025 16:39:26 GMT
x-xss-protection: 1; mode=block
content-encoding: gzip
server: nginx
vary: Accept-Encoding
cache-control: no-cache, no-store, must-revalidate, private
expires: Fri, 1 Jan 2010 00:00:00 GMT
pragma: no-cache
set-cookie: REVEL_FLASH=; Path=/; HttpOnly; Secure
set-cookie: REVEL_SESSION=d76ae3c1f0e83b083709fffc390849e24eac6450-%00csrf_token%3AjsHunlXJ2mJHmWwUycUVQKaUIdyRMkbn9NomYrO0pEM%3D%00%00_TS%3A1772296766%00; Path=/; Expires=Sat, 28 Feb 2026 16:39:26 GMT; Max-Age=15552000; HttpOnly; Secure
x-content-type-options: nosniff
x-cache: Miss from cloudfront
via: 1.1 f038e7175be9761825b2eefc2b0a832e.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA6-C1
x-amz-cf-id: tCcHIAPlS51jvDJfRy_nv6ZVyELh3NsWIDeG9uWB0ZTZqsNoqvGP3A==
x-frame-options: SAMEORIGIN
referrer-policy: strict-origin-when-cross-origin
strict-transport-security: max-age=31536000

DNS Lookup ▼

DNS entries (Domain Name System) are a critical component of the Internet infrastructure. They act as directories that translate human-readable domain names (such as example.com) to machine-readable IP addresses. DNS records are stored on DNS servers and help forward internet traffic efficiently.

Type	Ip	Target/Txt	TTL
A	18.178.183.241		60
A	52.196.115.189		60