Hi, I want to develop an Internet speed testing script in PHP, like this one http://network-speed.com/speedtest/index.php. I want to know, how this Download and upload speed testing script works.. especially upload speed testing . Regards Vidhu
Basically you send data and find out how long it takes. For more reliable testing, people use Java or Flash with several choices of testing site mirrors so they can use the closest one. You can make a rudimentary test with Javascript, by starting a timer and using Ajax get and post. Lots of ways to do it, depending on how accurate you want to be, and it's never really definitive. A lot of factors affect speed. Sorry I can't be more helpful.
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