Poj.org Welcome To PKU JudgeOnline

Poj.org Overview

Poj.org ranking shows that the page is at position 92,296 over the world, while the bulk of its audience is from China, where it ranks 14,408.

Poj.org hosted on RAMNODE - RamNode LLC, US servers in United States. To reduce page loading time for the majority of poj.org users, we recommend migrating the server to China, as it will speed up poj.org page load time for the majority of users. See the list of other webpages hosted on RAMNODE - RamNode LLC, US servers.

In terms of rank-to-traffic ratio, poj.org has 2,272 unique users per day, viewing 7,801 pages. The rank based value of poj.org is 132,584 USD. Every user makes 3.64 pageviews on average.

Poj.org boasts a link base consisting of 578 referring domains and 663 external backlinks, as revealed by the data obtained from web network scanning.

Poj.org top-level domain belongs to .ORG domain zone. Check other webpages in .ORG zone.

According the last verification test in November 23, 2024, poj.org has an invalid SSL certificate. Click button “Update” SSL Information at the Safety Information section.

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust poj.org is a fairly safe domain.

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

Poj.org Rank Summary

Global Rank

92,296

Average Load Time

0.52sec

Links In Count

356

Website Value

$122,763

Audience Geography. Where are poj.org visitors located?

Country	Visitors
China CN	86.8%
United States US	3.4%
India IN	2.2%
Bangladesh BD	1.1%
Other	6.4%

Country	Pageviews
China CN	86.6%
Bangladesh BD	1.5%
United States US	1.4%
India IN	1.1%
Other	9.4%

Country	Rank
China CN	14408
Bangladesh BD	19069
India IN	183650
United States US	393878

Where do visitors go on poj.org?

Subdomain	Pageviews
poj.org	100%

Subdomain	Pageviews per User
poj.org	3.2

Subdomain	Reach
poj.org	100%

How popular is poj.org?

Period	Global Rank	Global Rank Delta
past 3 months	92296	23807
past month	103880	23731
past week	357006	273423
yesterday	524375	20447

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	88998	38160	63	-48.049%	3.4	-36.4%
30	104541	24660	52	-28.36%	3.2	-4.23%
7	618728	506251	5	-89.249%	1	-49.239%
1	692905	-25739	4	-10.96%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	99145	17551	69	-18.27%
30	110754	24942	61	-25.23%
7	281577	203837	2	-78.836%
1	424565	22203	1	-10.96%

Poj.org Website Safety

Overview

Last Updated: 11/23/2024

Overall result - poj.org 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

Last Updated: 03/22/2024

poj.org is safe.

Norton ConnectSafe evaluates poj.org for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 10/19/2016

poj.org 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 Browsing

Last Updated: 01/09/2019

poj.org 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.

Site Advisor

Last Updated: 02/23/2021

poj.org is safe.

McAfee assesses poj.org 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 poj.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/09/2019

poj.org child safety is very good.

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

SSL Information

SSL Checker Tool

WARNING!	Certificate download error. Previous scan results are shown below.
Domain	Unknown
Issuer Organization	Unknown
Issuer	Unknown
Algorithm	Unknown
Valid form	Unknown
Expiration	Unknown
Signed	No information
Additional Domains

Poj.org Rank History

Alexa Rank shows how popular poj.org is in comparison with other sites. The most popular site has Alexa Rank equals 1. If poj.org has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to poj.org and pageviews on poj.org over the past 3 months.

Poj.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 3842

ASN Title: RAMNODE - RamNode LLC, US

Last Update: 07/22/2024

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 3842
ASName: RAMNODE
ASHandle: AS3842
RegDate: 2012-07-26
Updated: 2012-07-26
Comment: http://www.ramnode.com
Ref: https://rdap.arin.net/registry/autnum/3842

OrgName: RamNode LLC
OrgId: RL-82
Address: 2870 Peachtree Rd NW #915-5414
City: Atlanta
StateProv: GA
PostalCode: 30305
Country: US
RegDate: 2012-07-09
Updated: 2017-06-21
Ref: https://rdap.arin.net/registry/entity/RL-82

OrgNOCHandle: RAMNO-ARIN
OrgNOCName: RamNode
OrgNOCPhone: +1-844-726-6633
OrgNOCEmail: arin@ramnode.com
OrgNOCRef: https://rdap.arin.net/registry/entity/RAMNO-ARIN

OrgTechHandle: RAMNO-ARIN
OrgTechName: RamNode
OrgTechPhone: +1-844-726-6633
OrgTechEmail: arin@ramnode.com
OrgTechRef: https://rdap.arin.net/registry/entity/RAMNO-ARIN

OrgAbuseHandle: ABUSE3621-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-844-726-6633
OrgAbuseEmail: abuse@ramnode.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE3621-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Poj.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: poj.org
Registry Domain ID: 8fa7a204a6104ca397f05f4b4e32ca6a-LROR
Registrar WHOIS Server: http://whois.22.cn
Registrar URL: https://www.22.cn
Updated Date: 2024-09-27T15:58:18Z
Creation Date: 2004-09-25T18:52:08Z
Registry Expiry Date: 2025-09-25T18:52:08Z
Registrar: 22net, Inc.
Registrar IANA ID: 1555
Registrar Abuse Contact Email: abuse@22.cn
Registrar Abuse Contact Phone: +86.57188276020
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: autoRenewPeriod https://icann.org/epp#autoRenewPeriod
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: shanghaituchongwangluokejiyouxiangongsi
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: BEIJING
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: CN
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: please-renew-your-domain-in-www.22.cn
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-28T16:03:41Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
poj.org	168.235.95.213	600

Host	MX Record	Priority	TTL
poj.org	ALT1.ASPMX.L.GOOGLE.COM	20	14400
poj.org	ALT2.ASPMX.L.GOOGLE.COM	20	14400
poj.org	ASPMX2.GOOGLEMAIL.COM	30	14400
poj.org	ASPMX3.GOOGLEMAIL.COM	30	14400
poj.org	ASPMX4.GOOGLEMAIL.COM	30	14400
poj.org	ASPMX5.GOOGLEMAIL.COM	30	14400
poj.org	ASPMX.L.GOOGLE.COM	10	14400

Host	NS Record	TTL
poj.org	f1g1ns1.dnspod.net	86400
poj.org	f1g1ns2.dnspod.net	86400

Host	TXT Record	TTL
poj.org	v=spf1 include:aspmx.googlemail.com ~all	14400

f1g1ns1.dnspod.net
TTL: 600
Email address: freednsadmin.dnspod.com
Serial: 1501660497
Refresh: 3600
Retry: 180
Expire: 1209600
Minimum: 180

Poj.org HTML Check

HTML Validation Tool

Errors

Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.

Bad value “Pragma” for attribute “http-equiv” on element “meta”.

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Attribute “leftmargin” not allowed on element “body” at this point.

The “link” attribute on the “body” element is obsolete. Use CSS instead.

The “alink” attribute on the “body” element is obsolete. Use CSS instead.

The “vlink” attribute on the “body” element is obsolete. Use CSS instead.

Attribute “bordercolor” not allowed on element “table” at this point.

The “width” attribute on the “table” element is obsolete. Use CSS instead.

The “border” attribute on the “table” element is obsolete. Use CSS instead.

The “align” attribute on the “td” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

The “width” attribute on the “td” 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 “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.

Table columns in range 3…4 established by element “td” have no cells beginning in them.

The “valign” attribute on the “tr” element is obsolete. Use CSS instead.

The “align” attribute on the “tr” element is obsolete. Use CSS instead.

The “bgcolor” attribute on the “tr” element is obsolete. Use CSS instead.

The “font” element is obsolete. Use CSS instead.

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

The “center” element is obsolete. Use CSS instead.

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

The “align” attribute on the “p” element is obsolete. Use CSS instead.

Warnings

The “language” attribute on the “script” element is obsolete. You can safely omit it.

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

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

Poj.org Desktop Performance

Last tested: 06/27/2018

Desktop Speed

92%

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

Reduce server response time

Enable compression

Leverage browser caching

Optimize images

Desktop Resource Breakdown

Total Resources	15
Number of Hosts	2
Static Resources	13
JavaScript Resources	2
CSS Resources	1

Poj.org Mobile Insights

Last tested: 06/27/2018

Mobile Usability

65%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Mobile Speed

82%

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

Reduce server response time

Enable compression

Leverage browser caching

Optimize images

Mobile Resource Breakdown

Total Resources	15
Number of Hosts	2
Static Resources	13
JavaScript Resources	2
CSS Resources	1

Poj.org Common Typos

www.poj.com
www.poj.net
www.poj.org
www.poj.info
www.poj.biz
www.poj.us
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www.pioj.org
www.pkj.org
www.pokj.org
www.pkoj.org
www.plj.org
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www.po.org
www.pon.org
www.pojn.org
www.ponj.org
www.poh.org
www.pojh.org
www.pohj.org
www.pou.org
www.poju.org
www.pouj.org
www.poi.org
www.poji.org
www.pok.org
www.pojk.org
www.pom.org
www.pojm.org
www.pomj.org

Poj.org Welcome To PKU JudgeOnline

Poj.org Overview

Poj.org Rank Summary

Poj.org Website Safety

Poj.org Rank History

Poj.org Hosting Information

Poj.org Domain Registration and Settings

Poj.org HTML Check

Poj.org Desktop Performance

Poj.org Mobile Insights

Poj.org Similar Audits

Poj.org Common Typos