What is the WiFi Speed Test - Internet Speed application, how does it work?

According to the introduction of Zoltán Pallagi, WiFi Speed Test - Internet Speed is a Tools app on the Android platform. There is currently a 4.0.4 version released on Feb 14, 2020, you can see the details below.

Wifi Speed Test app is a wifi speed and local network (LAN) speed meter. The best speed test for your Ethernet network!

Main Features:
✓ Test the speed of wireless network or even wired network (ethernet)
✓ Speed test of your router
✓ Test the Download and Upload Speed, bandwidth
✓ Save the past results of Wifi speed test automatically, including download and upload speed, ping, signal strength, network name, IP address
✓ Display IP address, network information, latency, signal strength, channel information
✓ Easy sharing of speed test results
✓ Test Windows share (SMB, Samba) speed
✓ Test the speed of FTP server
✓ Test can be done via TCP or UDP
✓ Internet speed test
✓ Tethering and hotspot support
✓ Easy sharing of test results


This app will not be useful unless you have a second phone or computer to use it as server!
You can download the server application (wifi_speed_test.exe/py) to your computer from here: https://bitbucket.org/pzolee/tcpserver/downloads

Important: This is not an Internet speed test app! (however you can test the Internet speed as well, but this is optional)
This application will measure the speed of your local network,
live Internet connection is not required.

Useful links:
Server application for computers: https://bitbucket.org/pzolee/tcpserver/downloads/
Documentation: http://pzoleeblogen.wordpress.com/2013/11/26/wifi-speed-test-for-android-how-to

Online demo about the usage: http://pzoleeblogen.wordpress.com/2014/03/09/wifi-speed-test-for-android-live-demo