VS Code
CodePen
GitHub
Node.js
RegExr
JSFiddle
CodeSandbox
Free ebook for the JS Beginners

Mozilla Observatory
Security Headers
Qualys SSL Server Test
HTTP Observatory
Cloud Cultivator
Free Domain Alerts
Scanigma
Hardenize provides a comprehensive and free assessment of web site network and security configuration.

Which is more popular?
Based on our record, Eloquent JavaScript seems to be a lot more popular than Hardenize. While we know about 218 links to Eloquent JavaScript, we've tracked only 6 mentions of Hardenize.
Website, pricing, platforms and company facts side by side.
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EJS
Eloquent JavaScript
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| Website | eloquentjavascript.net | hardenize.com |
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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
No analysis of Hardenize yet.
Walkthroughs and reviews on video.
Eloquent JavaScript A Modern Introduction to Programming 3rd Edition by Marijn Haverbeke review
More videos
App Highlight: Hardenize
How often each product is chosen within a category, 0–100% relative to the other.

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

If you haven’t read Eloquent JavaScript , go check it out. It’s one of my all-time favourite programming books — hands down. - Source: dev.to / about 1 year ago
Videos, blogs, text-based teachings, YouTube project-based learning, books, and the like are all examples of various methods and mediums of acquiring skills, especially in the software engineering industry. As I continue to navigate... - Source: dev.to / almost 2 years ago
Seconded. I won't recommend it and no one I know has recommended it for a decade. It's hard for someone who doesn't know JS to know which parts has changed and is no longer the way to do things. https://github.com/getify/You-Dont-Know-JS... - Source: Hacker News / about 2 years ago
Hey, I'm looking for an in-depth analysis of the security Skiff Mail. Pros and cons, arguments for and against, all the stuff. Couldn't find anything conclusive online (since it's relatively new) except what I could dig myself: WHOIS... Source: almost 4 years ago
Https://hardenize.com is quite pretty, but there's nowhere near $999/mo of value in it for me! - Source: Hacker News / over 4 years ago
It does a little more and little less. More: Enter a list of (sub-) domains and get informed via email when "SSL things" change (for better or for worst), or your https certificate is about to expire. Less: No fancy pansy "report"... - Source: Hacker News / over 4 years ago
When comparing Eloquent JavaScript and Hardenize, you can also consider the following products.

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A front end web development playground.
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Quickly and easily assess the security of your HTTP response headers.
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Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
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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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