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Codecademy VS HHVM

Compare Codecademy VS HHVM and see what are their differences

Codecademy

Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment.

Rating
0 reviews
Alternatives Is it good?
HHVM

HHVM is an open-source virtual machine designed for executing programs written in Hack and PHP.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
Thalam
OpenAI-compatible API gateway for GPT, Claude, Gemini, DeepSeek, Qwen, Kling and more. One key, one endpoint, one bill. Pay per token, no lock-in. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Codecademy seems to be a lot more popular than HHVM. While we know about 113 links to Codecademy, we've tracked only 7 mentions of HHVM.

social mentions
113 vs 7
Online Learning popularity
100% vs 0%
alternatives listed
240+ vs 55

Base details

Website, pricing, platforms and company facts side by side.

Codecademy
HHVM
Website codecademy.com hhvm.com
Pricing
Official pricing
Open source
Company Startup from the United States —
Listed in
Online Education Online Learning Online Courses Programming Learn To Code +2
DevOps Tools Developer Tools Continuous Integration And Delivery Cloud Computing +1

Features and specs

What each product offers, as listed by its team.

Codecademy 6 features
HHVM 4 features
  • Interactive Learning
    Codecademy provides interactive coding lessons that allow users to write code directly in the browser and receive instant feedback, which can enhance learning and retention.
  • Wide Range of Courses
    Codecademy offers a variety of courses across several programming languages and topics, including web development, data science, and computer science, catering to a diverse set of learners.
  • Beginner-Friendly
    The platform is designed with beginners in mind, offering step-by-step instructions, guided projects, and comprehensive explanations to help new learners get started with coding.
  • Flexible Learning Paths
    Codecademy provides learning paths and career tracks that guide users through a series of courses to build specific skills or prepare for certain tech roles, offering a structured learning experience.
  • Community Support
    Codecademy has a strong community forum where users can ask questions, share knowledge, and collaborate with other learners, providing additional support and motivation.
  • Certificate of Completion
    Upon finishing courses or career tracks, learners receive a certificate of completion, which can be added to their resumes or LinkedIn profiles to showcase their achievements.

Possible disadvantages

  • Limited Free Content
    While Codecademy does offer some free courses, many advanced and specialized courses are locked behind a Pro subscription, which may be a barrier for some users.
  • Lack of Deep Dives
    Some users may find that Codecademy's courses do not go into great depth on advanced topics, which might require learners to seek additional resources to fully master certain subjects.
  • Dependence on Interactive Environment
    Codecademy's reliance on an in-browser coding environment means that learners may not gain experience setting up and using real-world development tools and environments.
  • Pro Subscription Cost
    The cost of Codecademy Pro can be relatively high for some learners, which may be a drawback considering that there are other platforms offering similar content at different price points.
  • Periodic Updates and Bugs
    As with any online platform, Codecademy occasionally has bugs or requires updates that can impact the user experience or temporarily disrupt learning.
  • Assessment and Quizzes
    Some users have noted that the assessments and quizzes may not be as challenging as they could be, potentially limiting the evaluation of a learner's true understanding.
  • Performance
    HHVM uses Just-In-Time (JIT) compilation to convert PHP code into machine code, which can significantly improve execution speed compared to traditional PHP interpreters.
  • Hack Language Support
    HHVM supports the Hack programming language, which offers additional features like static type checking, generics, and asynchronous code execution, allowing developers to write safer and more efficient code.
  • Scalability
    HHVM is designed to handle high-traffic environments, making it suitable for large-scale applications and websites with high concurrency demands.
  • Open Source
    HHVM is open-source software, allowing developers to contribute to its development and benefit from community-driven improvements and support.

Possible disadvantages

  • Compatibility
    HHVM is not fully compatible with all PHP extensions and libraries. This can create issues when migrating existing PHP applications to HHVM, requiring additional refactoring.
  • Resource Intensive
    HHVM can consume more memory and CPU resources than traditional PHP interpreters, which might be a concern for applications running on limited hardware.
  • Linux Focused
    HHVM primarily supports Linux-based systems. While there is some support for other operating systems, it may not be as robust, limiting its use in heterogeneous environments.
  • Evolving Technology
    HHVM and the Hack language are continuously evolving, which can lead to breaking changes and the need to keep development teams updated with the latest features and fixes.

Analysis

An editorial look at what each product does well and who it suits.

Codecademy
HHVM

Overall verdict

  • Overall, Codecademy is a reputable and effective platform for learning to code. It is particularly well-suited for beginners who appreciate interactive learning and need structured guidance. However, some advanced learners might seek additional resources to deepen their understanding beyond what Codecademy offers.

Why this product is good

  • Codecademy is considered a good platform because it offers interactive learning experiences, a wide range of programming languages, and real-world projects that help learners understand coding concepts better. It provides a hands-on approach and immediate feedback in its exercises, which is beneficial for reinforcing learning. Additionally, the platform caters to different skill levels, from beginners to more advanced programmers, along with a supportive community and resources.

Recommended for

  • Beginners interested in learning how to code
  • Individuals looking for interactive and engaging learning experiences
  • Students wanting a flexible learning schedule
  • Career changers aiming to acquire new technical skills
  • Those who appreciate structured, step-by-step tutorials

Overall verdict

  • In recent years, HHVM has shifted focus more towards supporting Hack rather than full PHP compatibility. While it was once a popular option for running PHP applications efficiently, many projects now recommend sticking to PHP 7.x or later, which has seen significant performance improvements. Therefore, HHVM is considered good if you're specifically using Hack, but might not be the best choice for standard PHP applications.

Why this product is good

  • HHVM (HipHop Virtual Machine) was originally developed by Facebook to provide improved performance for PHP applications. It offers features like a just-in-time (JIT) compiler and compatibility with Hack, Facebook's PHP dialect. It has been praised for enhancing the speed of PHP execution, particularly for large-scale applications.

Recommended for

    HHVM is recommended for organizations or projects that primarily use Hack or have legacy systems built around it. It can also be beneficial for enterprises looking to leverage its performance benefits in a Hack environment. However, for new projects or those focused solely on PHP, sticking with the latest PHP versions is advisable.

Videos

Walkthroughs and reviews on video.

Codecademy 3 videos + Add
HHVM 3 videos + Add

Should You Sign Up For CodeCademy?!

More videos

  • - FreeCodeCamp vs CodeCademy | Which One is Better? Which One Should You Learn With? | Ask a Dev
  • - Is Codecademy Good? [REVIEW]

HHVM GLIMPSE MEME REVIEW||HARI HARA VEERA MALLU MEME REVIEW||POWER STAR..!

More videos

  • - HHVM Performance Status - Hack Dev Day
  • - Scaling PHP-based Development with HHVM and Hack

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Codecademy
HHVM
100% 100%
Online Learning
0% 0%
0% 0%
DevOps Tools
100% 100%
100% 100%
Online Courses
0% 0%
0% 0%
Continuous Integration And Delivery
100% 100%

User comments

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Codecademy no reviews yet
HHVM no reviews yet

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We have no reviews of HHVM yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Codecademy 113 mentions
HHVM 7 mentions
  • Career Transition at 31: How I Became a Front-End Developer
    However, a little research was enough to dispel that misconception. Yes, there was a technical aspect to programming, but most developers weren't doing complex calculations all the time. So, my preconceptions faded away and turned into... - Source: dev.to / over 2 years ago
  • How to start learning web development for free
    Codecademy is a freemium platform with high-quality content.  Their courses range from web development to data science, and are interactive and text-based. - Source: dev.to / over 2 years ago
  • Scratch is Addictive: How to get rid of your Scratch addiction
    If you really have decided to become the next Guru on Scratch then you should learn at least one real programming language like JavaScript. I found this JavaScript course very useful: https://learnjavascript.online/. You can also learn... - Source: dev.to / about 3 years ago

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  • GraphQL vs REST: 18 Claims Fact-Checked with Primary Sources (2026)
    Facebook ran a massive PHP codebase, scaled through HipHop (a PHP-to-C++ transpiler) and later HHVM (a just-in-time compiler for PHP). Keith Adams , Facebook's Chief Architect and HHVM team lead, describes how Facebook scaled a large,... - Source: dev.to / 6 months ago
  • THT v0.8.1 – A modern re-design of PHP
    $hayStack.contains('needle') This looks more or less like a new language ? It must be amazing amount of time and energy to rewrite PHP in to this. I don't see the benefits. I understand the Facebook's HHVM had some. (https://hhvm.com/)... - Source: Hacker News / almost 2 years ago
  • I know that's the name of the language, I'm asking about the first P
    PHP is nearly as old as the web. Change the conversation and say: I use Hack on the Hip Hop Virtual Machine. Source: over 4 years ago

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