Speedtest is a broadband speed analysis tool that allows anyone to test their Internet connection. Ookla provides this service for free to 
anyone curious about the performance of their connection to and from hundreds of locations around the world. Whether you test just for fun or you really need to certify and validate the true speed of your Internet connectivity, Speedtest.net is the place to be.This service calculate the speed of your broadband connection by measuring the time it takes to download a fixed amount of data.
You can view all of your historical results, share them easily, and even compare them to others in your immediate area or around the globe.
Speedtest.net tests the following speeds :
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Download Speed
The speed at which data is sent from the Internet to your computer
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Upload Speed
The speed at which data is sent from your computer to the Internet
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Ping (Latency)
The time it takes in milliseconds for a small piece of data to be sent from your computer to the Internet and back
Speedtest.net performs three key measurements used to determine the overall quality and performance of your Internet connection
