
Eloquent JavaScript
JavaScript.com
Scrimba
React Tutorial
JavaScript Quiz
Free Code Camp
JavaScript Knowledge Map
Learn JavaScript with guided tests and flashcards

Security Headers
Hardenize
Qualys SSL Server Test
Mozilla Observatory
Cloud Cultivator
Scorifya
Iron Check
Developed by Mozilla, the HTTP Observatory performs an in-depth assessment of a site’s HTTP headers and other key security configurations.

Which is more popular?
Based on our record, Learn JavaScript seems to be more popular. It has been mentioned 48 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | learnjavascript.online | developer.mozilla.org |
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What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
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
Walkthroughs and reviews on video.
Learn JAVASCRIPT in just 5 MINUTES (2020)
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Learn JavaScript and HTTP Observatory. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I haven't done this course, but I have been programming with Javascript for about ~1.5years and can build things with React, the best course I found, and I bet it would translate to angular, is learnjavascript.online. Another resource... Source: over 3 years ago
The Jad Joubran courses on the other hand really upped my skill level and helped me make the jump from passive learning, exercises and very small projects to making legitimate web apps. That was probably the biggest/scariest jump I've... Source: over 3 years ago
Hi everyone! I'm in the very early stages of creating an interactive course and I would like to hear your thoughts on them. So far I've come across Scrimba and Jad Joubran's learn X series of sites (learnjavascript.online,... Source: over 3 years ago
Tracking HTTP Observatory since Feb 2025.
When comparing Learn JavaScript and HTTP Observatory, you can also consider the following products.
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Quickly and easily assess the security of your HTTP response headers.
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A free resource for learning and developing in JavaScript
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Hardenize provides a comprehensive and free assessment of web site network and security configuration.
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Interactive coding screencasts created in an instant
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This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet.
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