Are there times when you aren’t sure you are getting the speed from your ISP that you pay for? Running a simple test on your computer will tell you. First you need to know that the speed you receive via a computer connected through an ethernet cable may be closer to what your ISP says you have and connections through Wi-Fi will be lower.
Why would you need to do these tests? Well if you are streaming and run into a lot of buffering problems or connection problems, you might want to take a look at your speeds. Are others in your household doing things that require more bandwidth such as streaming or gaming?
An internet search will reveal popular ISP speed testers.