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Whois & Analysis for spoj.com

Dec 13, 2019 3:56 am UTC

DOMAIN OWNER WHOIS

ⓘ The owner's whois contact information is public.
• Contact Name
Whois Agent
• Organization
Domain Protection Services, Inc.
• Address
PO Box 1769
• City
Denver
• Zip Code
80201
• State
CO
• Country Code
US
• Phone Number
Show phone
• Email
https://www.name.com/contact-domain-whois/spoj.com
• Domain Registrar
Name.com, Inc.
See Domain Dates and Nameservers
See Server Details
Desktop screen Desktop screenshot for spoj.com

SEO SCORE

spoj.com
Make your link ↑ do-follow
62

✅ 8 criteria passed
❌ 3 criteria to solve

PERFORMANCE OPPORTUNITIES

Make your meta description eloquent and appealing, neither too short nor too long.
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Follow Google PageSpeed Insights to make your page faster.
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OVERVIEW

• Domain Owner
Domain Protection Services, Inc. See more
• Category
Shopping  >  Contests & Freebies
• Online since
April 1, 2003 Explore Wayback Machine
• Age
21 years, 19 days
• Alexa Rank
#68.879, spoj.com is in the world's top 100.000 websites!

FREE FORM BUILDER

Representation of an online Form

Use our free online form builder to create any type of form for spoj.com.

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TECHNICAL SEO & SECURITY

❌ SSL Certificate
This website is not SSL secured (HTTPS), the certificate issued by COMODO CA Limited has expired on January 8, 2020.
✅ Title Tag
Sphere Online Judge (SPOJ)
Length: 26 (recommended: 10 to 70)
❌ Meta Description
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 submitted in over 60 languages including C, C++, Java, Python, C#, Go, Haskell, Ocaml, and F#. SPOJ has a rapidly growing problem set/tasks available for practice 24 hours/day, including many original tasks prepared by the community of expert problem setters associated with the project.
Length: 432 (recommended: 50 to 160)
ⓘ Google preview
Desktop Version

Sphere Online Judge (SPOJ)

https://spoj.com

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 submitted in over 60...

Mobile Version

https://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 p...

✅ Encoding
Great, language/character encoding is specified: utf-8
✅ URL Resolve

Great, a redirect is in place to redirect traffic from your non-preferred domain. All versions of your page point to the same URL.

URL Resolved URL
http://spoj.com https://www.spoj.com/
https://spoj.com https://www.spoj.com/
http://www.spoj.com https://www.spoj.com/
https://www.spoj.com https://www.spoj.com/
✅ Robots.txt
https://www.spoj.com/robots.txt
✅ URL Parameters
Great, the domain URLs look clean.
Attribute Value
ⓘ viewport width=device-width, initial-scale=1.0

SEMANTIC ANALYSIS

ⓘ The owner has associated the following topics to the website.

ⓘ The results of our semantic analysis are shown below using the website's language.

They are the main concepts covered by spoj.com.

Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.

Topics
OCaml Confidence: 91% Arrow up

OCaml, originally named Objective Caml, is the main implementation of the programming language Caml, created by Xavier Leroy, Jérôme Vouillon, Damien Doligez, Didier Rémy, Ascánder Suárez and others in 1996.

A member of the ML language family, OCaml extends the core Caml language with object-oriented programming constructs.
Online judge Confidence: 87% Arrow up

An online judge is an online system to test programs in programming contests.

They are also used to practice for such contests.

Many of these systems organize their own contests.
Java (programming language) Confidence: 85% Arrow up

Java is a general-purpose computer programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible.

It is intended to let application developers "write once, run anywhere" (WORA), meaning that compiled Java code can run on all platforms that support Java without the need for recompilation.

Java applications are typically compiled to bytecode that can run on any Java virtual machine (JVM) regardless of computer architecture.

As of 2016, Java is one of the most popular programming languages in use, particularly for client-server web applications, with a reported 9 million developers.

Java was originally developed by James Gosling at Sun Microsystems (which has since been acquired by Oracle Corporation) and released in 1995 as a core component of Sun Microsystems' Java platform.

The language derives much of its syntax from C and C++, but it has fewer low-level facilities than either of them.
Python (programming language) Confidence: 84% Arrow up

Python is a widely used high-level programming language for general-purpose programming, created by Guido van Rossum and first released in 1991.

An interpreted language, Python has a design philosophy which emphasizes code readability (notably using whitespace indentation to delimit code blocks rather than curly braces or keywords), and a syntax which allows programmers to express concepts in fewer lines of code than possible in languages such as C++ or Java.

The language provides constructs intended to enable writing clear programs on both a small and large scale.
SPOJ Confidence: 83% Arrow up

SPOJ (Sphere Online Judge) is an online judge system with over 200,000 registered users and over 20,000 problems.

Tasks are prepared by its community of problem setters or are taken from previous programming contests.

SPOJ allows advanced users to organize contests under their own rules and also includes a forum where programmers can discuss how to solve a particular problem.

WEBSITE SPEED

❌ spoj.com website speed is slow. Page speed is important for visitors and search engines.

Get insights to improve your page loading time.

Page Loading Time

1.6s

This domain loads at the median speed of 1.6 seconds.

Speed Percentile

54%

spoj.com is faster than approximately 54 percent of the web. Your website page speed needs to be as fast as you can make it, without compromising the customer experience.

A good goal to achieve is a loading time of 2 seconds on desktop and mobile devices.

PAGESPEED INSIGHTS

Page on which speed is tested live:

Chrome User Experience Report Results

Lighthouse Results

TRAFFIC

ⓘ This website is ranked #68.879 by Alexa.

This rank is traffic based. The lower the rank is, the better the domain is ranked.

Daily visitors by country

  • spoj.com daily visitors distribution - Total: 7 countries
  • Flag for Viet NamViet Nam (14.0%)
  • Flag for IndiaIndia (38.7%)
  • Flag for EgyptEgypt (6.4%)
  • Flag for BangladeshBangladesh (4.2%)
  • Flag for PolandPoland (21.2%)
  • Flaf icon for other countryOthers (15.5%)

Traffic country ranks

Country Rank
Flag for Viet NamViet Nam #3.051
Flag for IndiaIndia #16.499
Flag for EgyptEgypt #8.475
Flag for BangladeshBangladesh #9.024
Flag for Iran (Islamic Republic of)Iran (Islamic Republic of) #74.632
SEE MORE

LAYOUT

ⓘ Doctype HTML5 Arrow ⓘ Responsive website, mobile-friendly. Arrow

Mobile Rendering

This website seems to be optimized for Mobile Visitors.

Phone
How spoj.com looks like on a mobile device such as an iPhone.

Tablet
How spoj.com looks like on a tablet such as an iPad.

Main colors used

ⓘ These are the main HTML color codes used by this website. Arrow
  • 41% #ffffff
  • 28% #3080b0
  • 14% #f0f0f0
  • 5% #f0ffff
  • 2% #a0c0d0
  • 2% #80b0d0
  • 1% #5090c0
  • 1% #fffff0
  • 1% #f0f0ff
  • 1% #c0d0e0
  • 1% #a0d0f0
  • 1% #fff0f0

Text/code ratio

ⓘ spoj.com's text/code ratio is 9.27%. It's a bit low. Consider raising it by adding more text content of value for your visitors, or keeping your code clean.
Text / Code Ratio 9.27%

A good text to HTML ratio is anywhere from 25 to 70%.

This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information.

Main HTML tags

✅ Headings Arrow up

Great, we found headings on this page.

  • <H1> 1
  • <H2> 1
  • <H3> 0
  • <H4> 25
  • <H5> 0
  • <H6> 0
<H1>
Top level heading
Become a true programming master
<H2>
2nd level heading
Learn how to code and build efficient algorithms
<H4>

For a better readability, only the first 20 <H4> tags are shown below.

4th level heading
ınnopolis open 2018
Coding can give more fun than computer games – an interview with ıvan katanić
Bubble cup x
Big languages update!
From spoj challenge to own startup. short interview with keshav dhandhania
SEE MORE
❌ Alt attributes Arrow up

We found 69 images on this website.
62 ALT attributes are missing on your image tags. The issue affects 30 actual different images that could be loaded more than once in your page.

Image Image URL Occurrences
Image with missing alt attribute found on spoj.com https://cdn4.buysellads.net/uu/1/49556/1567551330-DO_Logo_horizontal_white.png 1
Image with missing alt attribute found on spoj.com https://ad.doubleclick.net/ddm/trackimp/N1131812.3091281BUYSELLADS/B23029661.254670975;dc_trk_aid=45... 1
Image with missing alt attribute found on spoj.com //stx1.spoj.com/gfx/2015e.png 1
Image with missing alt attribute found on spoj.com https://discuss.spoj.com/letter_avatar_proxy/v2/letter/m/6bbea6/25.png 1
Image with missing alt attribute found on spoj.com https://discuss.spoj.com/letter_avatar_proxy/v2/letter/n/ce7236/25.png 3
SEE MORE

Alternative text allows you to add a description to an image.

Google rely on alternative text attributes to determine relevance to a search query. Alternative text also makes an image more likely to appear in a Google image search.

It looks like you're missing alternative text for 62 images on spoj.com. Check your website to make sure it's specified for each image on the page.

SOCIAL MEDIA PRESENCE

✅ This is an overview of your homepage shares on social networks.

You're doing quiet good on social media!

Social shares are a key signal, among many others, that search engines use to evaluate the rankings of a website. Asking people to share your pages, adding visible social share buttons and make great quality content are 3 of the most powerful ways to grow your social presence.

  • Facebook iconFacebook
  • Total Engagement 506
  • Likes 73
  • Shares 286
  • Comments 147

DOMAIN REGISTRAR

ⓘ Domain Registrar NAME.COM, INC.
ⓘ Registration Date 04/01/2003 21 years, 19 days ago
ⓘ Last Modified 12/28/2016 7 years, 3 months, 22 days ago
ⓘ Expiration Date 04/01/2020 Expired
Nameservers Arrow up
Host IP Address Country
ns-cloud-e1.googledomains.com 216.239.32.110 Flag for United StatesUnited States
ns-cloud-e2.googledomains.com 216.239.34.110 Flag for United StatesUnited States
ns-cloud-e3.googledomains.com 216.239.36.110 Flag for United StatesUnited States
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SERVER DETAILS

Server map
  • ⓘ Service Provider (ISP)
  • OKTAWAVE
  • ⓘ IP Address
  • 195.149.199.189
  • ⓘ Country
  • Flag for PolandPoland
  • ⓘ Region
  • Mazovia , Warsaw
  • ⓘ Latitude and Longitude
  • 52.1843 : 20.9997
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