Best Online Coding Courses

HarvardX CS50 Introduction to Computer Science is the best overall online coding course

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Lifewire / Design by Amelia Manley

Whether you're an experienced coder or a beginner interested in diving into the tech field, online coding courses can help you gain new knowledge. Careers in coding are becoming more and more desirable in today's technological world, and thankfully, you don't need to attend a university to build this skill.

The best online coding courses allow you to learn from home, work with a flexible schedule, and receive feedback from both instructors and fellow students. Additionally, many courses offer a variety of topics, from introductory lessons to game development and data management. Here, we've rounded up our top picks to help you choose the right course for your needs.

The Rundown

Best Overall: HarvardX CS50 Introduction to Computer Science

"Check if your code is up to par using a cloud-based IDE, and there's a large community to interact with if you’re having trouble."

Best Intro: Codecademy

"Codecademy is perfect for beginners thanks to the sheer amount of choices you have to choose from."

Runner-Up, Best Intro: Khan Academy

"If you ever have any questions or even want to get feedback on a project you’ve just coded, the community is always here to help."

Best University Course: MITx Introduction to Computer Science and Programming Using Python

"While rigorous, it’s intended to still be doable for students without prior knowledge, so all you need to do is put in the work."

Best Splurge: Pluralsight

"Each course comes with videos, assessments, and exercise files, so you can really make the most of your learning experience."

Runner-Up, Best Splurge: LinkedIn Learning

"They really have something for everyone, no matter what language you want to get into."

Best for Schools: Code Avengers

"It’s structured into different levels so you can teach programming concepts to everyone, regardless of age or skill."

Best Variety: Udemy

"Gives you the freedom to choose the specialization that you want, and learn how to program what interests you."

Best Overall: HarvardX CS50 Introduction to Computer Science on edX

edX

edX

  • Price: Free
  • Online Community: Yes
  • Certificate: Optional

Why We Chose It

The HarvardX CS50 Introduction to Computer Science course is completely free for students, but an optional certificate of completion is available for $149. With an online community for help and specific assignments for each topic, this course is best for students to gain a solid working knowledge of coding.

Pros & Cons

Pros
  • An extensive introduction to coding

  • The same course as Harvard students take

  • Free

Cons
  • Free to use, but certificate of completion is $149

Overview

If you’re looking to dive into coding, this course stands out from the rest. Harvard has put its most-visited course, CS50 Introduction to Computer Science, online, and it’s completely free unless you want a certificate of completion for $149. Not only does the course offer video recordings of each lecture, as well as additional videos explaining certain concepts, but it also has an assignment for each block of content. You can check if your code is up to par before you hand it in using the cloud-based IDE that complements this course, and there’s a large community to interact with if you’re having trouble.

CS50 Introduction to Computer Science is built in a way that the problem sets get more difficult enough every week that they can be challenging, but never in a way that you feel completely left on your own. This course stands out from the rest because instead of simply teaching you how to code, it tries to teach you how it works.

Best Intro: Codecademy

Codecademy

Codecademy

  • Price: Free and paid courses available
  • Online Community: Yes
  • Certificate: Optional

Why We Chose It

Codecademy offers a large selection of free introductory courses for coding, allowing students to start their journey without committing to payments. Plus and Pro subscriptions are also available to access paid courses, and certificates of completion are optional for subscribers.

Pros & Cons

Pros
  • Interactive learning interface

  • Courses for everyone

  • Mobile app

Cons
  • Can be overwhelming to beginners

Overview

Codecademy is a great option thanks to the sheer amount of courses you have to choose from. You can find something for everyone here, with an extensive category ranging from HTML to C#, and more, if you sign up for Codecademy Plus or Pro. Every course that doesn’t require a subscription to Plus or Pro is completely free, so you can learn to your heart's content. If you choose to sign up for Codecademy Pro, you’ll even have a range of so-called career and skill paths to choose from, guiding you towards specific goals.

Having such a wide range of intro-level courses for free is great because it means that not only can you start learning how to code, you can also learn the differences between programming languages and find out which ones are best for what you want to do. Students can access online forums to post questions and discuss different topics. Not to mention there’s a smartphone app, too, letting you practice what you’ve learned on the go.

Runner Up, Best Intro: Khan Academy

Khan Academy

 Khan Academy

  • Price: Free
  • Online Community: Yes
  • Certificate: No

Why We Chose It

Khan Academy is another great introductory course for coding students, including projects and challenges for each lesson to help new coders apply their skills in common scenarios.

Pros & Cons

Pros
  • Great for beginners

  • Some complex topics

  • Free

Cons
  • Most courses are about Javascript and HTML

Overview

Khan Academy is a non-profit organization that specializes in bringing everyone a better education, and some of its courses are on coding. The courses are mostly on HTML or Javascript, and while there are some more complex topics such as natural simulations or different types of algorithms, Khan Academy is best suited for those with little to no coding experience.

Each course is structured so that you have an info block and then a challenge that builds upon the things you just learned. This type of project-based learning is a great way to start coding, as applying what you’ve learned helps you remember key concepts.

Khan Academy is completely free, and it has a whole community around it, too. If you ever have any questions or even want to get feedback on a project you’ve just coded, they’re always here to help.

Best University Course: MITx Introduction to Computer Science and Programming Using Python on edX

edX

edX

  • Price: Free
  • Online Community: Yes
  • Certificate: Optional

Why We Chose It

MIT's online coding course on edX gives at-home students the same deep-dive into coding that their university courses offer. While the course is challenging, staff members are available to answer questions and guide students along the way.

Pros & Cons

Pros
  • The same level of depth that MIT students receive

  • Large community

Cons
  • Needs a lot of time and dedication

Overview

Although MIT has a lot of old courses on their website for free, they also have a new one for free on edX. MITx Introduction to Computer Science and Programming Using Python is a version of the on-campus course that has been built specifically for edX, and that means it’s no walk in the park. However, it’s intended to still be doable for students without prior knowledge, meaning that if you put the work into it and take this course seriously, then it’ll be more than worth it. 

If you want to learn coding and more, then this course is right for you.

Best Splurge: Pluralsight

Pluralsight

 Pluralsight

  • Price: $29 per month or $299 per year
  • Online Community: Yes
  • Certificate: Optional

Why We Chose It

Pluralsight requires a monthly or yearly subscription, but it offers interactive lessons, multiple programming languages, career tools, and more, making it worth the splurge for serious students and team lessons.

Pros & Cons

Pros
  • Career-focused

  • Interactive guided courses

Cons
  • Hefty price tag

Overview

If you want to learn to code so you can look more up-to-date on your resume, or if you’re looking to get your team up to par, then Pluralsight is the service for you. It’s a bit costly at $29 monthly or $299 yearly, but with the extensive course library, it can be worth it if you use it properly. Not only is there a wide variety of guided courses in different programming languages, but there are even specific courses for further learning in game development or data management for example.

Each course comes with videos, assessments, and exercise files, so you can really make the most of your learning experience. You can even measure how well you stack up against others in the same field. On top of that, some courses have interactive lessons, which can be especially helpful for trying to learn new concepts in a specific language. 

Runner Up, Best Splurge: LinkedIn Learning

LinkedIn Learning

 LinkedIn Learning

  • Price: $19.99 per month (billed annually)
  • Online Community: No
  • Certificate: Optional

Why We Chose It

LinkedIn Learning is more affordable overall than Pluralsight, but subscriptions must be paid annually. However, courses can be purchased individually, making this a great option for students who want to hone in on specific skills.

Pros & Cons

Pros
  • Large variety of courses

  • Numerous programming languages

Cons
  • The experience isn’t guided

  • Picking the wrong course can lead to wasting time

Overview

LinkedIn Learning, formerly known as Lynda.com, is filled to the brim with courses on coding and otherwise. Although the experience isn’t quite as streamlined as some of the other courses listed, it makes up for it by the number of available courses. LinkedIn Learning has more than just what you need to get started, as it even has courses for people with prior experience. You can really dive into the depths of different languages, see what makes them tick, and why they’re fit for certain tasks more than others.

It might be a bit overwhelming to know where to start, but if you search for the programming language you’re looking for, or the keywords “essential training,” you’ll be sure to find a course that’s right for you. They really have something for everyone, no matter what language you want to get into.

Best for Schools: Code Avengers

Code Avengers

 Code Avengers

  • Price: $20 to $29 per month
  • Online Community: No
  • Certificate: Yes

Why We Chose It

Code Avengers is an excellent choice for kids and teens to learn coding, making lessons fun, engaging, and easy to build on while teaching real-world coding concepts.

Pros & Cons

Pros
  • Built for kids and teens

  • Heavily discounted for schools

  • Different paths for different interests

Cons
  • Pricey for a service meant for kids

Overview

Code Avengers is perfect for schools and kids or teens who want to learn how to code. It’s structured into different complexity levels so it can be used to teach programming concepts at every school level. Using the online programming environment to work on different projects, Code Avengers aims to teach children programming, computational thinking, and data representation. There are also three guided paths available for teenagers, focused on becoming either a web developer, web designer, or software engineer.

The platform also has a series of resources for teachers, with lesson plans and course overviews, as well as being able to see how far into the course each student has come so far, and how well they’ve done along the way. Code Avengers is a great way to get children and teenagers into coding.

Best Variety: Udemy

Udemy

Udemy

  • Price: Free and paid courses available
  • Online Community: No
  • Certificate: Optional

Why We Chose It

Udemy's extremely large range of classes makes it possible for students to pick and choose the specific skills they'd like to learn.

Pros & Cons

Pros
  • Massive number of courses and teachers

  • Detailed reviews to read before you buy

Cons
  • Some courses are quite expensive, especially for coding

Overview

When it comes to variety, you can’t beat Udemy. You can find over 200,000 online courses in different subjects, and a large fraction of those is about coding. Unlike some of the other options on this list, Udemy isn’t subscription-based; instead, you pay only for the courses you actually choose. Each of them is a different price, and you can see how long each one is before you purchase it. This gives you the freedom to choose the specialization that you want, and learn how to program what interests you.

The courses are uploaded by individuals all over the world, and you can tell by their ranking how good they are. Different instructors have different specialties, and picking out the courses that feel relevant to you from a broad spectrum will help you see different styles of programming and teaching.

Final Verdict

The HarvardX CS50 Introduction to Computer Science class is our best overall pick for online coding courses. This course offers in-depth lessons for those interested in pursuing coding as a career, teaching students how coding actually works for a working knowledge upon completion. The course itself is completely free, and certificates are available for an added cost.

Guide to Choosing the Best Online Coding Courses

Instructor and Community Feedback

The best online coding courses allow students to communicate with their instructors and peers. Because coding can be challenging at first, it's beneficial for many students to opt for a class with this feature, which allows them to ask questions and get a deeper knowledge of each topic.

Free vs. Paid Courses

Many online coding courses are available for free, and even top-rated courses don't have to cost a cent. Some students prefer the specific features offered by paid courses, like career tools and easy access to learning different programming languages.

Certificates

Not all online coding courses offer certificates. Accredited schools like Harvard, MIT, and more have programs for students to graduate with a coding certification. Other courses provide students with certificates of completion for specific classes.

Compare the Best Online Coding Courses

Course Price Online Community Certificate
HarvardX CS50 Introduction to Computer Science Best Overall
Free
Yes
Optional
Codecademy Best Intro Free and paid courses available Yes Optional
Khan Academy Runner-Up, Best Intro Free Yes No
MITx Introduction to Computer Science and Programming Using Python Best University Course Free Yes Optional
Pluralsight Best Splurge $29 per month or $299 per year Yes Optional
LinkedIn Learning Runner-Up, Best Splurge $19.99 per month (billed annually) No Optional
Code Avengers Best for Schools $20 to $29 per month No Yes
Udemy Best Variety Free and paid courses available No Optional
FAQ
  • Which Online Coding Course Is Best?

    We chose the HarvardX CS50 Introduction to Computer Science class as our best overall online coding course. However, many other options exist with different benefits: Similar courses include MIT's edX course, Codecademy, Pluralsight, Khan Academy, and more.

  • Are Online Coding Courses Worth It?

    Online coding courses are an excellent option for students to learn how to code at home, whether they're seeking introductory lessons or building additional skills with prior experience. Many even offer certifications upon completion, helping jumpstart the process to begin a career in coding.

  • Which Coding Position Gets Paid the Most?

    App developers, graphics programmers, full stack developers, machine learning engineers, computer and information systems managers, and database developers are some of the most high-paying coding jobs.

  • Is Coding a High-Paying Skill?

    Overall, the increasing demand for coders makes coding a high-paying skill. Senior specialists can earn six figures or more, while entry-level coders typically earn between $30,000 and $50,000 per year.

Methodology

Our writers spent numerous hours researching the most popular online coding courses on the market. Before making their final recommendations, they considered nine different online coding courses overall, read user reviews (both positive and negative), and tested three of the online coding courses themselves to recommend high-quality options.

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