
Port Checker
Open Port Checkers
Port Checker.Net
DNSChecker.org
Whats My DNS
What is my IP?
Port Monitor
Port Checker tests IP ports online, surfaces popular port checker guides, and keeps your infrastructure secure.

Scrimba
Data Protocol
GoIT LMS
Codelita
CodeCrafters
Codecademy
Divize
The most fun way to learn to code.

Which is more popular?
Based on our record, Codédex seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | portchecker.cc | codedex.io |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the United States · 1 - 9 employees · 2025 | — |
| Listed in |
What each product offers, as listed by its team.


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


As answered by people managing PortChecker.cc and Codédex.
PortChecker.cc's answer
Free And Online, Forever
PortChecker.cc's answer
quick, free, online, safey
PortChecker.cc's answer
Help people check their network if safe
PortChecker.cc's answer
I use next.js build my product.
PortChecker.cc's answer
Programmer, network operation and maintenance personnel
PortChecker.cc's answer
Programmer, network operation and maintenance personnel
Share your experience with using PortChecker.cc and Codédex. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking PortChecker.cc since Oct 2025.
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
When comparing PortChecker.cc and Codédex, you can also consider the following products.

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Use our free online open port checker to instantly verify if a port is open, closed, or filtered on any IP address or domain. Fast, accurate, and secure network port scanning tool.
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A better way to support developers
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Port Checker lets you check port status instantly
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Empowering emerging markets with high-quality tech education
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