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Language: english

Keywords: welcome judgeonline pku problem online user

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Content and keywords

Important and popular websites

Important pages are Web Board, Statistical Charts and Problems. In the following table you'll find the 10 most important pages of

# Description URL of the website
1. Web Board /bbs
2. Statisti­cal Charts /chart
3. Prob­lems /prob­lem­list
4. Sub­mit Prob­lem /submit
5. On­li­ne Sta­tus /status
6. Up­da­te your info /modifyu­ser
7. Aut­hors ranklist /u­ser­list
8. Past Con­tests /pastcon­tests
9. Schedu­led Con­tests /con­tests
10. Award Con­test /chal­len­ge.html

Technical information

The web server with the IP-address used by is run by RAMNODE and is located in USA. The server runs exclusively the website

The websites of are served by a Nginx web server using the operating system Ubuntu (Linux). The software used to serve the webpages was created by using the programming language JSP/JAVA. The website does not specify details about the inclusion of its content in search engines. For this reason the content will be included by search engines.

Information about the server of the website

IP address:
Server provider: RAMNODE

Technical information about the technology of the website

Webserver software: Nginx, Version 1.14.0
Operating system: Ubuntu (Linux)
Software platform:JSP/JAVA
Load time: 0.97 seconds (slower than 58 % of all websites)
Filesize:4.4 KB (119 recognized words in text)

Safety and classification

The website doesn't contain questionable content. It can be used by kids and is safe for work.

Attribute Classification
Google Safebrowsing
Safe for children
Safe for work
Webwiki rating
No ratings
Server location
Trustworthy 85%
Disclaimer: The classification is based on the automatic analysis of public information, ratings and customer reviews. All information is provided without warranty.
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