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Free tool for testing how good your website is, and what you can do to improve it. Check accessibility, SEO, social media, compliance and more.

Which is more popular?
Based on our record, Codédex should be more popular than Nibbler. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codedex.io | nibbler.insites.com |
| Pricing | — | |
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What each product offers, as listed by its team.


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


No analysis of Codédex yet.
Overall verdict
Why this product is good
Recommended for
Small business owners, bloggers, and digital marketers looking for a free, easy-to-understand overview of their website performance and recommendations for improvement.
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How often each product is chosen within a category, 0–100% relative to the other.


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


I'm a new coder too. What helps me is finding a good place to learn the most basic principles and having 2-5 things I want to do. I started with codedex.io , learning Python and HTML and then took their courses and moved on looking for... Source: over 3 years ago
I think you should focus on HTML, CSS, and JS, starting with HTML. I just started HTML on a website called codedex.io. Pretty cool so far but I feel like I'm getting into a brand new thing haha. Source: over 3 years ago
I've been learning Python on a website called codedex.io for about 6 months. It's been great for me so far. I just started on Classes and Objects. Give them a try, you might like them. Source: over 3 years ago
I've run my website through the nibbler site https://nibbler.silktide.com/ and got a result of 8.6. Source: almost 5 years ago
Nibbler is a free online tool that you can use to scan your website. It will give you a report scoring the website for key areas, including accessibility, SEO, social media, and technology. - Source: dev.to / over 5 years ago
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