Atcoder.jp AtCoder

AtCoder is a programming contest site for anyone from beginners to experts. We hold weekly programming contests online.

Atcoder.jp Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 0.18 sec.

Last Checked: 11/04/2024

Atcoder.jp traffic estimate is about 443 unique visitors and 6,202 pageviews per day. The approximated value of atcoder.jp is 105,120 USD. Every unique visitor makes about 14 pageviews on average.

Alexa Traffic Rank estimates that atcoder.jp is ranked number 86,444 in the world, while most of its traffic comes from Japan, where it occupies as high as 6,360 place.

It’s good for atcoder.jp that their hosting company AMAZON-02 - Amazon.com, Inc., US is located in Japan, as that provides the majority of their visitors to benefit from the faster page load time. See the list of other websites hosted by AMAZON-02 - Amazon.com, Inc., US.

Atcoder.jp is registered under .JP top-level domain. Check other websites in .JP zone.

During the last check (October 11, 2024) atcoder.jp has a valid and up-to-date SSL certificate issued by Amazon that expires on June 29, 2025, please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Amazon.

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

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

Atcoder.jp General Information

Atcoder.jp Audience Geography

Where are website visitors coming from?

Country Visitors
Japan Japan JP80.7%
India India IN9.4%
Egypt Egypt EG0.8%
Bangladesh Bangladesh BD0.5%
Nepal Nepal NP0.5%
Other8.2%

Atcoder.jp Traffic Distribution

Where do visitors go on atcoder.jp?

SubdomainPageviews
beta.atcoder.jp38.45%
contest.atcoder.jp33.51%
atcoder.jp26.31%
img.atcoder.jp1.14%
other0.59%

Atcoder.jp Popularity

How popular is atcoder.jp?

PeriodGlobal RankGlobal Rank Delta
past 3 months90449-5158
past month70008-75947
past week8382829570
yesterday107628-781811

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Atcoder.jp Safety Information

Rankchart Summary

Safe

Updated: 11/04/2024

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: 03/24/2024

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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: 10/27/2016

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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: 02/24/2021

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McAfee assesses atcoder.jp 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 atcoder.jp for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Not Checked

Updated: 11/04/2024

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

Atcoder.jp SSL Information

Information about SSL/TLS certificates

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Domainatcoder.jp
Issuer OrganizationAmazon
IssuerAmazon RSA 2048 M03
AlgorithmRSA-SHA256
Valid form05/31/2024
Expiration06/29/2025
SignedCertificate is not self signed
Additional Domainsatcoder.jp

Atcoder.jp Server Information

Atcoder.jp Server Location

Where website hosting server is located?

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Atcoder.jp ASN Information

Information about IP address owner

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ASN ID: 16509

ASN Title: AMAZON-02 - Amazon.com, Inc., US

Updated: 07/31/2024

Atcoder.jp Domain Name Information

Atcoder.jp DNS Information

Domain name service records

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HostA RecordTTL
atcoder.jp54.64.223.860
atcoder.jp54.249.74.2960

Atcoder.jp Whois Information

Information about registered users or assignees of an Internet resource

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Atcoder.jp HTML Validation

Atcoder.jp W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:
Warnings:

Atcoder.jp Desktop Performance

How Well Atcoder.jp Performs On Desktops?

Website desktop performance and usability tips

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Speed

79%

79%


Updated: 01/28/2019

Atcoder.jp Mobile Performance

How Optimized Is Atcoder.jp for Mobile Devices?

Tips on speeding up mobile site performance

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Usability

94%

94%


Updated: 01/28/2019

Atcoder.jp Nearest Competitors

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