
Codewars
Exercism
CodinGame
LeetCode
CodeCombat
HackerRank
Google's Python Class
CheckIO is a web site with a mission: To teach JavaScript and Python coding skills through a game-playing interface. It is designed to teach new skills or improve existing skills through completing challenges.

+500 Animated Icons by Lordicon
SVGator
GetLoaf.io
Get waves
Lottie
Shape.so
LottieFlow
Discover and animate icons, images, backgrounds, and more
Which is more popular?
Based on our record, CheckIO should be more popular than Loading.io. It has been mentioned 46 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | checkio.org | loading.io |
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What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Loading.io is recommended for web developers, UI/UX designers, and anyone looking to add visually appealing loading animations to their projects without investing a significant amount of time. It's particularly suitable for individuals who prefer a quick solution or lack advanced animation skills.
Walkthroughs and reviews on video.
Intro Video. How to get maximum from CheckiO
HOW TO GET FREE LOADING.IO SVG
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CheckIO and Loading.io. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


CheckiO is a platform with coding games created for different levels of programmers, from beginners to advanced levels. Using fun and engaging methods, you can use coding games to solve challenges in TypeScript and...
CheckIO is available in English and Spanish. The platform was designed by a group of engineers and now has a number of customers all over the globe who may use it to improve their programming speed and abilities by...
Checkio is the most whimsical HackerRank alternative on this list. It’s also focused on two languages: Python and TypeScript. On this site you’ll be thrown into a gamer’s paradise that includes robot mollusks and...
We have no reviews of Loading.io yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Have you heard of CheckIO (https://checkio.org/)? They have a gameified "Mario world" of coding challenges that are smaller and come with more explanation, tests to guide you through edge cases and provide hints. The challenges start... Source: almost 3 years ago
Cyber isn't gonna be a light switch, where you can flip it and be good. Don't be too hard on yourself. Start with some hands on stuff like https://tryhackme.com or checkio.org. You could look at certs like Security+ or CySA+ for some... Source: about 3 years ago
Much better to get your hands dirty than watching the videos. Try: https://checkio.org/. Source: over 3 years ago
Haha, I'm glad! I'm a frontend dev and, unfortunately, usually just grab a loading animation off of https://loading.io/. Now I kinda wish I'd thought to go look at how your animation is done - is it a gif under the hood, or is it a... Source: over 3 years ago
I used this as a base and used this for the loading animation. Source: over 3 years ago
Loading.io usage is similar to Animista's in that no additional package is required to get started. You'd simply go to their website, choose a preferred loader, customize as desired, and then export. - Source: dev.to / over 3 years ago
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SVGator lets you create interactive, code-free vector animations with ease, exporting to multiple formats such as SVG, Lottie, GIF, video, and WebM for seamless web and mobile integration.
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CodinGame provides users with a fun and effective way to learn coding that eschews the rigid structure of traditional teaching methods.
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A free animated SVG icon editor that can bring your app, website or project to life!
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