how to know my internet speed

how to know my internet speed how to know my internet speed how to know my internet speed? -For know your internet speed some online software tools are available. Which give you information about data downloading and uploading speed?  I create list of some good speed test tools which inform you about your internet connection speed. this speed test tool inform how to know my internet speed how to know my internet speed how to know my internet speed? -For know your internet speed some online software tools are available. Which give you information about data downloading and uploading speed?  I create list of some good speed test tools which inform you about your internet connection speed. this speed test tool inform