PortChecker.cc
Port Manager
Port Checker.Net
Check NAT
Speedtest.net
Fing
PortsMonitor
Check open ports online

Scrimba
Codédex
CodeCrafters
Data Protocol
Codelita
Eloquent JavaScript
The State of JavaScript 2018
A free resource for learning and developing in JavaScript

Which is more popular?
Based on our record, Port Checker seems to be a lot more popular than JavaScript.com. While we know about 263 links to Port Checker, we've tracked only 1 mention of JavaScript.com.
Website, pricing, platforms and company facts side by side.
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Port Checker
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| Website | portchecker.co | javascript.com |
| Listed in |
What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
AI Multiagent Port Checker with Examples
More videos
No JavaScript.com videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.

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

Hello, I have an Xfinity tg1682g router/modem combo and it requires you to portforward through the xfinity app, which I did. I have opened ports 27014-27017 tcp/udp, and even used the site portchecker.co to see if my port is open, and it... Source: almost 3 years ago
What router do you have? If portchecker.co isn't showing that the port is open, then your port forwarding didn't work. Source: about 3 years ago
You can check if your port forwarding worked by using a site like https://portchecker.co/. Source: about 3 years ago
The best resource I know of is Javascript.com for learning Javascript for the first time. It's made by Pluralsight which is a site that contains courses. - Source: dev.to / over 4 years ago
When comparing Port Checker and JavaScript.com, you can also consider the following products.

Port Checker tests IP ports online, surfaces popular port checker guides, and keeps your infrastructure secure.
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Interactive coding screencasts created in an instant
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Find, open and kill ports in a couple of clicks. Works with Node, Python, Ruby, PHP, HTTP and pretty much any process listening on a TCP port.
Compare Port Manager to Port Checker or JavaScript.com:


Port Checker lets you check port status instantly
Compare Port Checker.Net to Port Checker or JavaScript.com:

Programming exercises for experienced engineers.
Compare CodeCrafters to Port Checker or JavaScript.com: