Spoj.com Sphere Online Judge (SPOJ)
SPOJ (Sphere Online Judge) is an online judge system with over 315,000 registered users and over 20000 problems. The solution to problems can be submi...
Spoj.com Overview
Spoj.com is a website that offers an online judge system with a broad range of problems and tests that registered users can submit solutions in various programming languages. With over 315,000 registered users and more than 20,000 problems available to be solved, SPOJ has become one of the most popular online judging platforms. The website is designed to help programmers sharpen their skills by providing access to a wide range of problems in multiple languages, including C, C++, Java, Python, C#, Go, Haskell, Ocaml, and F#.
The website is hosted by Oktawave Sp. z o.o, and employs SSL encryption issued by COMODO CA Limited, which ensures a high level of security for its users. SPOJ is accessible via a top-level domain .COM, which signifies that the site is intended for a global audience. The website is designed to be user-friendly, with simple and intuitive navigation, making it easy for anyone to access its resources.
In terms of website traffic, spoj.com generates approximately 2,749 unique visitors per day, which is relatively modest, and 23,036.62-page views. However, the website's value is estimated to be around 402,960 US dollars, indicating its importance in the programming community.
One important consideration for SPOJ's viability as a family-friendly website would have been the content of the problems presented to users. However, the nature of the site means that there are no controversial or explicit materials that could be possibly considered offensive. Therefore, SPOJ is considered to be a family-friendly website.
One of spoj.com's drawbacks, however, is its low page speed, with a score of only 34 based on Google’s PageSpeed Insights. The slow speed could potentially cause frustration for users and impair the overall user experience. However, with its rapidly growing problem set/tasks available for practice 24 hours a day, spoj.com is still a valuable resource for programmers worldwide.
Spoj.com Rank Summary
Audience Geography. Where are spoj.com visitors located?
| Country | Visitors |
|---|---|
 India IN | 61.3% |
| Angola AO | 15.6% |
| Viet Nam VN | 3% |
| Hong Kong HK | 3% |
| Poland PL | 2.5% |
| Bangladesh BD | 2% |
| United States US | 1.8% |
| Syrian Arab Republic SY | 1.7% |
| Brazil BR | 1.3% |
| Other | 7.7% |
| Country | Pageviews |
|---|---|
| India IN | 68.2% |
| Angola AO | 8.8% |
| Poland PL | 5.4% |
| Hong Kong HK | 3.4% |
| Viet Nam VN | 2.4% |
| Bangladesh BD | 1.8% |
| Brazil BR | 1.7% |
| Syrian Arab Republic SY | 1.7% |
| Egypt EG | 0.9% |
| Other | 5.7% |
| Country | Rank |
|---|---|
| Syrian Arab Republic SY | 1685 |
| Angola AO | 2301 |
| India IN | 3077 |
| Bangladesh BD | 3956 |
| Hong Kong HK | 5363 |
| Viet Nam VN | 5471 |
| Poland PL | 10925 |
| Egypt EG | 13605 |
| Nigeria NG | 25084 |
| Brazil BR | 37970 |
| United States US | 213252 |
Where do visitors go on spoj.com?
| Subdomain | Pageviews |
|---|---|
| spoj.com | 92.69% |
| pl.spoj.com | 3.98% |
| vn.spoj.com | 1.42% |
| discuss.spoj.com | 0.99% |
| other | 0.91% |
| Subdomain | Pageviews per User |
|---|---|
| pl.spoj.com | 13 |
| spoj.com | 6.4 |
| vn.spoj.com | 4.4 |
| discuss.spoj.com | 1.3 |
| Subdomain | Reach |
|---|---|
| spoj.com | 95.59% |
| discuss.spoj.com | 4.99% |
| vn.spoj.com | 2.12% |
| pl.spoj.com | 2.01% |
How popular is spoj.com?
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 27049 | -6947 |
| past month | 30133 | 5927 |
| past week | 38294 | 6370 |
| yesterday | 45086 | -6171 |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 14719 | -3682 | 499 | 25% | 8.38 | -1.41% |
| 30 | 19580 | 5818 | 369 | -32.2% | 6.6 | -17.33% |
| 7 | 26219 | 4792 | 27 | -20.42% | 6.1 | -4.06% |
| 1 | 37763 | -5392 | 18 | 10% | 4.6 | -1.28% |
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 35449 | -9116 | 22 | 26% |
| 30 | 37618 | 5846 | 20 | -18.08% |
| 7 | 47205 | 7413 | 16 | -17.05% |
| 1 | 53957 | -7525 | 14 | 10% |
Spoj.com Website Safety
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 ConnectSafe evaluates spoj.com for any unsafe and insecure content. The results are critical for families with young children.
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.
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.
McAfee assesses spoj.com 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 spoj.com for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the spoj.com. This reputation system receives ratings from users and information from third-party sources, assesses the spoj.com for safety features and confirms, whether spoj.com is suitable for children.
| Domain | *.spoj.com |
| Issuer Organization | GoGetSSL |
| Issuer | GoGetSSL RSA DV CA |
| Algorithm | RSA-SHA256 |
| Valid form | 03/15/2024 |
| Expiration | 04/15/2025 |
| Signed | Certificate is not self signed |
| Additional Domains |
*.spoj.com spoj.com |
Spoj.com Rank History
Alexa Rank shows how popular spoj.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If spoj.com 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 spoj.com and pageviews on spoj.com over the past 3 months.
Spoj.com Hosting Information
ASN ID: 13335
ASN Title: CLOUDFLARENET - Cloudflare, Inc., USLast Update: 12/15/2025
#
# 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: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335
OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14
OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN
OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN
OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN
RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN
RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN
RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-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.
#
Spoj.com Domain Registration and Settings
Domain Name: SPOJ.COM
Registry Domain ID: 96346087_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.name.com
Registrar URL: http://www.name.com
Updated Date: 2021-12-28T11:00:36Z
Creation Date: 2003-04-01T02:36:18Z
Registry Expiry Date: 2031-04-01T01:36:18Z
Registrar: Name.com, Inc.
Registrar IANA ID: 625
Registrar Abuse Contact Email: abuse@name.com
Registrar Abuse Contact Phone: 7202492374
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS-CLOUD-E1.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-E2.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-E3.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-E4.GOOGLEDOMAINS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-10T23:54:57Z
| Host | A Record | TTL |
|---|---|---|
| spoj.com | 195.149.199.189 | 300000 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| spoj.com | aspmx.l.google.com | 1 | 300000 |
| spoj.com | alt1.aspmx.l.google.com | 5 | 300000 |
| spoj.com | alt2.aspmx.l.google.com | 5 | 300000 |
| spoj.com | aspmx2.googlemail.com | 10 | 300000 |
| spoj.com | aspmx3.googlemail.com | 10 | 300000 |
| Host | NS Record | TTL |
|---|---|---|
| spoj.com | ns-cloud-e1.googledomains.com | 216000 |
| spoj.com | ns-cloud-e2.googledomains.com | 216000 |
| spoj.com | ns-cloud-e3.googledomains.com | 216000 |
| spoj.com | ns-cloud-e4.googledomains.com | 216000 |
| Host | TXT Record | TTL |
|---|---|---|
| spoj.com | google-site-verification=nj2HqfYKIxi7eaJuly4zVV-MQhpWM2PSuZF-6pPhLF8 | 604800 |
| spoj.com | v=spf1 a/28 ip4:198.11.228.130 ip4:176.119.33.225 ip4:213.192.104.211 ip4:195.149.199.189 ip4:213.192.104.213 ip4:213.192.104.210 include:spf.mandrillapp.com include:mailgun.org ~all | 604800 |
ns-cloud-e1.googledomains.com
TTL: 21600
Email address: dns-admin.google.com
Serial: 0
Refresh: 21600
Retry: 3600
Expire: 1209600
Minimum: 300
Spoj.com HTML Check
Spoj.com Desktop Performance
Last tested: 12/10/2019
| Total Resources | 139 |
| Number of Hosts | 30 |
| Static Resources | 85 |
| JavaScript Resources | 36 |
| CSS Resources | 15 |
Spoj.com Mobile Insights
Last tested: 12/09/2019
| Total Resources | 137 |
| Number of Hosts | 32 |
| Static Resources | 83 |
| JavaScript Resources | 36 |
| CSS Resources | 15 |
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