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In this article, we will have a look at the following free tools:
- Network Speed Test
CommTest is a program used to test network connectivity performance and transfer speeds between two computers. It measures the transfer speed, latency, and packet loss between the two computers.
To use CommTest, you install it on both computers and then use the Connect button to configure the test's target. Unfortunately, the utility is getting very long in the tooth and only shows compatibility with Windows 8 as the highest Windows OS on the site. However, I found that I was able to install it on both Windows 10 and Windows 11.
The installation is a "next, next, finish" process. Once CommTest is available on both computers, start it using the Connect button.
Next, enter the destination IP address of your CommTest host.
CommTest begins operations immediately after the destination IP address is provided.
You can download the CommTest utility directly from Roadkil.net.
The final tool on the shortlist, called iPerf, is well known among network professionals. You can use it to test speeds between two hosts on a LAN, across the Internet, etc. It is similar to what you can do with CommTest. It allows you to take active measurements of the maximum achievable bandwidth on IP networks. However, it provides a much more customizable and configurable testing tool.
The iPerf utility is feature rich with command line parameters that allow you to create highly customized network speed tests between hosts. You can tune and tweak parameters around timing, buffers, and protocol settings for TCP, UDP, and SCTP.
First, extract the downloaded iPerf ZIP file, which you can download here. Once extracted, note the wide range of options available for iPerf.
For a basic test, we need to run one host as an iPerf server and one as an iPerf client. The basic command for the iPerf server is:
Once you have the iPerf server running, you will need to run iPerf on the designated iPerf client. The syntax for an iPerf client is:
Iperf3.exe -c <IP of your iPerf server>
Find our comprehensive review of iPerf here.
Network Speed Test
Network Speed Test is the highest-rated app you will find when searching "network speed test" in the Microsoft Store. Installing the app is as easy as clicking the "Get" button.
When you run the app, it displays detailed information regarding your connection speed, including:
- Connection type
- Internet status
- Host name
You can take a look at Network Speed Test here.
Speedtest.net can't check your LAN between computers, but testing your Internet connection can uncover problems with your download or upload speeds, latency, jitter, etc. In addition to visiting the Internet site, Speedtest.net has mobile apps available for iOS and Android, as well as a Windows Store app.
Check out speedtest.net here.
Another simple way to determine whether you are getting the speed you have paid for is to visit fast.com. It is a site owned by Netflix that gives you a quick, easy test of your Internet speed without additional details.
Fast.com by Netflix provides a quick, easy Internet speed test
Visit fast.com here.
Performing Internet speed tests and simple network speed tests between two hosts on the local area network can help uncover network performance, latency, connectivity, and other problems.
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The tools listed can help quickly measure network speed, without complicated setup time, to find performance issues. In addition, all of the tools listed are free to download and use.