Speedtest+ a Internet speed test enhancement tool
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Speedtest+ is a Speedtest-based Internet speed test tool developed by Poto.
More on Telegraph
https://telegra.ph/Speedtest-Plus-by-Poto-12-27
More on Poto's Vivaldi Blog
https://poto.vivaldi.net/2022/12/27/speedtest-plus-by-poto/
There are both sames.