SpeedOf.Me - SpeedOf.Me is an HTML5 Internet speed test. No Flash or Java needed!
CellID Finder - Find a cell phone location using LAC/CellID, GSM BTS coordinates
Fast.com - Quickly test your internet speed with this fast-loading speed test powered by Netflix.
OpenCellID - OpenCelliD is the largest Open Database of Cell Towers & their locations. You can geolocate IoT & Mobile devices without GPS, explore Mobile Operator coverage and more!
Speedtest.net - Test your Internet connection bandwidth to locations around the world with this interactive broadband speed test from Ookla
OpenSignal - Mobile analytics and insights on wireless connectivity from Opensignal, the independent global standard for understanding the true state of the world's mobile network.