Essentially, it is one of the elements of connection speed that measures any lag you might experience while online. Ping is the measure of latency from your device to the server and then back to your device. Each speed test may have slightly different features, but many of them measure ping and jitter. While the speed test runs, it also measures several other aspects of internet speed. That means information can pass into and out of your devices at the same super-fast rate. With high-speed fiber internet, for instance, you can get speeds up to 940/940 Mbps. This is leading to more internet plans that have what they call “symmetrical speeds” or equal download and upload speeds. One of the awesome advancements in internet technologies is the increased capacity for upstream bandwidth. These “asymmetrical” speeds put the “A” in ADSL connections, which have higher downstream bandwidth than upstream bandwidth. This is shorthand for 40 Mbps of download bandwidth and 20 Mbps of upload bandwidth. On your internet plan, you may see something like 40/20 Mbps (or “40 by 20 Megs” in the industry lingo). Similarly, 1 Gbps is 1,000 times faster than 1 Mbps. One megabit is roughly equal to 1,000 kilobits, which means 1 Mbps is 1,000 times faster than 1 Kbps. When the test is done, you’ll see your results as two numbers reflecting the download and upload speeds. The test will automatically select the closest server, which will typically be in a nearby city. Then that same file is transferred back to the server again to measure the upload speed. When you run an internet speed test, the testing site transfers a file from a nearby test server over the internet to your computer and measures how long it takes.
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