10 Best CODING Challenge Websites To Practice in 2020

With the coming of the New Year, some trends become more popular than others. When it comes to coding, the need for quality coders and programmers has never been greater. 

Becoming a programmer does not only bring you a great salary but will also allow you (in most cases) to work remotely and start that digital nomad career you always dreamed of.

Coding is one of the most necessary and most needed skills in IT, so if you’re thinking about learning new coding skills or improving those you already have – here are some of the best websites for that.

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FAQ

What are the best websites to practice coding for beginners?
For learning or practicing coding, complete basic challenges and improving your coding programming skills we recommend these 3 free websites, Code School, Codecademy or freeCodeCampYou can find plenty of tutorials, videos, challenges to complete or practice for creating a website in HTML and CSS.

What is a coding challenge?
A coding challenge is a small or big coding task that is solved by an individual or a team in order to practice or measure the skills of the programmer. It’s used very often for hiring programmers and potential employes by companies.

Which coding language should I learn first?
Python coding language is recommended to start with. It’s relatively easy and widely used all around the world for creating web applications.

Coderbyte – Beginner to Intermediate

Coderbyte - Website for Coding ChallengesThis amazing website provides over 200 coding challenges for you to solve in their online editor.

With Coderbyte you get to use 10 different programming languages and they offer a variety of official challenge solutions, as well as quite a lot of user solutions. Coderbyte also provides a number of courses in web development and algorithms and data structures as well as some prep courses for coding boot camps.

Coderbyte offers a high variety of coding challenges for beginner and intermediate level coders and it can help with your coding skills significantly.

HackerRank – Beginner to Intermediate

This website is meant for the more intermediate and advanced level coders. It focuses on different subjects from computer sciences and you can complete a number of challenges from math, SQL, AI, algorithms, and functional programming.

The challenges can be finished online and there is a leaderboard for each challenge. HackerRank also provides you with editorials that help explain the challenges and how to approach them, and there is an amazing discussion board where you get to exchange your experiences with other coders.

Codesignal – Intermediate to Advanced

Codefights / Codesignal is a San Francisco based Technology Company aiming to change the way people discover, develop and promote talent. It was founded in 2004 and is trained by engineers from a specific company. It works in such a way that a group of engineers from each company is identified as trainers. They use core game mechanics and automated skill assessment tools to help customers improve their skills and talents.

They have made some values for the customers’ ease as they believe in working and having fun at the same time. They believe that building codesignal should be fun too as they work with the people, product, and vision that they love.

They also prefer to work fast and by fast they mean very fast, just to meet the requirements and needs as far as quick and possible. They also believe in learning through work rule, along with having fun. They also believe that one must also learn and grow by watching others working along.

They work with certified assessments as they use CodeSignal’s industry standards to meet the standards of top tech companies in the world. They also offer an advanced testing tool that lets you create your own tests Codesignals from a library that has 4000+ high-quality questions that automatically evaluates by an industry leading Al-powered plagiarism tool.

It also works with the live interviewing technique which has made it a lot easier for the people around the world to get in touch with high-quality video and audio features.

Coding score enables to increase interview-to-hire ratios with subject-specific scores and many skilled profiles to have a comparison of your clients to rest of the companies employs to see the top talent.

CodinGame – Beginner & Intermediate

This website focuses on the beginner and intermediate level coders. CodinGame differs from other websites from this list as you get to write the code in order to actually play a game online.

You get to complete challenges in order to complete a certain aspect of the game or to complete the entire game, and once you do that – you get to see the game with amazing graphics and UI.

The feeling of mastering some of the CodinGame challenges is very rewarding, and if you’re a beginner starting to learn about coding and programming, then this is the best place for you.


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Geeks for Geeks – Intermediate

How many times were you frustrated while looking out for a good collection of programming/algorithm/interview questions? What did you expect and what did you get? Geeks for Geeks have been created to provide well written, well thought and well-explained solutions for selected questions.

This website was formed on March 19th, 2009.

Geeks for Geeks offers a wide range of courses that one can’t get from any other website. It also offers internship programs in vacations, coding prentice, the guide to writing interview experience, coding questions etc.

You can have all the information through this single website and you don’t have to look for any other links for your queries.

Geeks for Geeks is not a website for just professionals but everyone can have the required information through this website. It comes with the basic, easy, medium, hard, and expert knowledge and one can select the option as per its knowledge or choice.

This website also offers step by step preparation, company preparation, top topics, company-specific practice, software design pattern, placement preparation courses, interview corner, all previous interview experiences, GQ home page, quiz corner, LMNs etc.

The new features that have never ever been used are also part of this website. Those features are leader board, subjective problems, and many difficulty levels.

Languages that you can learn from this website are C, C++, Java, Python, SQL, PHP, JavaScript, and school programming.

There are a lot more features and functions that you have to know about and for that, you will have to visit their website on your own to have a complete overview of what they offer.

CodeChef – ALL levels

This Indian-based competitive programming website has a virtual sea of challenges for beginners, intermediate and even advanced coders.

CodeChef offers online editor and collections of categorized challenges. One of the best features CodeChef has to offer is a vast community of coders and programmers involved in their forums and discussion boards.

They write tutorials, organize competitions and most importantly – they help you with your coding challenges along the way so you can learn in the best possible way.

LeetCode – Intermediate & Advanced Coding

LeetCode - programming challenge website

Another great website focused on intermediate and advanced coders, LeetCode organizes contests on a weekly and monthly basis.

Completing their challenges and winning the contests earns you cash prizes and gift cards.

LeetCode provides you with challenges from algorithms, system design, shell, database, functional programming, and many more categories, so if you’re looking for the best place to advance your coding skills – you must check out LeetCode.

CodeWars

This fun, martial arts-themed website offers a high variety of coding challenges done in more than 20 programming languages.

It’s meant for beginners and intermediate coders and it offers progressive challenges as you advance with your coding skills. Each challenge has its own discussion board and user solutions. Through these challenges, you earn points, climb rankings and unlock advanced challenges.

You can learn something from scratch, or you can choose to focus on advancing what you already know. If you’re interested in mastering coding challenges in a fun way – CodeWars is a place to check out.

CodeEval

CodeEval is very similar to HackerRank in almost everything. It provides a variety of company-sponsored coding challenges which aim to help you get a job if you master them in the best possible fashion.

Various companies use this website to find the coders that suit their needs, so this website is focused more on the intermediate and advanced level coders, and it also offers an amazing leaderboard where different companies can see how you’re progressing.

If you’re looking for the best way to land a job through coding challenges, you should look no further than CodeEval.

SPOJ

Sphere Online Judge or SPOJ for shorter is one of the biggest coding challenge libraries online. It provides over 20,000 different coding challenges you can master with their online editor, but you can submit your code even if it was created in another editor rather than their own.

SPOJ hosts a lot of contents and sometimes even award gift cards and different prizes for the best coders. Their community is growing and it will probably grow more in 2018, so their discussion boards are great for learning. However, SPOJ doesn’t offer official solutions or editorials on their challenges yet, but you can find solutions for almost every challenge on their discussion boards.

TopCoder

programing and coding challenges

One of the oldest websites for competitive coding challenges, TopCoder is still very relevant and important when it comes to providing you with the best source of competitive programming.

TopCoder provides you with weekly challenges and competitions in web design and web development, algorithms, math, SQL, and many more amazing learning opportunities. They offer a lot of editing tutorials on different technologies and they have created one of the biggest crowdsourcing communities of developers in the online world.

With quite a lot to learn and a great community like that, it’s clear why TopCoder is still one of the most important coding challenge websites in 2018.

ProjectEuler

When it comes to math and computer sciences, probably the best source for coding challenges is ProjectEuler. It focuses on the more advanced knowledge and you need to have certain mathematics knowledge, as well as some other skills.

Their challenges are based on writing a program to find the solution to tricky math problems or equations. It helps you with your creative thinking, learning and advancing in the programming language you’re using.

They offer weekly challenges, even though they don’t provide you with the online code editor. If you’re looking for the best place to advance your math knowledge with coding challenges in 2018, look no further.

CHECK OUT CODING CHALLENGE SERIES (VIDEO)

CONCLUSION

These ten websites are a great source of knowledge and according to website development experts, you can really benefit from registering and becoming involved in their challenges.

You will be able to learn about coding, problem-solving, mathematics, and algorithms, but you will also be prepared for the technical interviews and test potential employers will face you with. The most important thing to keep in mind is that these sites can help you advance personally and professionally. They can help you land a new job or advance at your current one.

Mastering coding challenges will boost your confidence and it will prepare you for most working environments, so if you haven’t done it already, this is the year you should. Check out these websites and find the one that suits you the best. You owe it to yourself.


We hope you’ve enjoyed the article and found some useful information about these coding practice sites and you will improve your coding skills. You can also refer to the courses we have provided above or look on some platforms like Udemy for some courses if you wanna take it to another level.

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1 thought on “10 Best CODING Challenge Websites To Practice in 2020”

  1. Hi – Seeing as you know this space so well I’d like to introduce you to our site http://www.geektastic.com (just in case you haven’t heard of us yet).

    We are the only platform to use real world coding challenges that are peer reviewed by real humans.

    This gives us far more insight than automated platforms.

    Developers receive a thorough review (not just a score) and get to see the feedback from the reviewer (they can even feedback on the reviewers comments)

    I would love to show you round one day.

    Reply

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