The question is 'What is the accurate way of Speed Testing?'
Unfortunately, You will hardly get some options to find out this. One site which is globally known as http://speedtest.net may not utilize your network port properly or show incorrect ping result. The Experts will not count speedtest.net as a proper or accurate source of network speed testing. You may check the below method.
Windows
If you are running Windows Operating Server/Desktop version, Make sure you have a Good Downloader which will offer you better speeds and capable of utilizing your network port properly.
Example - https://www.internetdownloadmanager.com/ (They offer 30 Days of trial usage/ Possible testing).
For setting a high connection, go to Downloads > Options > Connection > Set 16 At least
Now Download one of the below links from our Closest Datacenters -
10GB Test Files -
(Serverius DC) / AMS, The Netherlands
http://speedtest.serverius.net/files/10000mb.bin
(Xs4all Internet BV) / AMS, The Netherlands
http://speedtest.xs4all.nl/files/10GiB.bin
Linux
For Linux Operating Systems, You can do the following command -
Wget download link from below
10GB Test Files -
(Serverius DC) / AMS, The Netherlands
wget http://178.21.16.76/files/10000mb.bin -O /dev/null
(Xs4all Internet BV) / AMS, The Netherlands
wget http://194.109.6.103/files/10GiB.bin -O /dev/null
(TELE2) AMS, The Netherlands
wget http://90.130.70.73/10GB.zip -O /dev/null
Downloaded files will be auto removed from the system for your convenience.
This is one of the best methods for download speed testing from our experience. Always make sure that the other party has a similar speed or a better network than us. Otherwise, poor speed results may generate due to low qiality chemistry.
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For upload testing, You can do a Server to Server FTP transfer with a closest Datacenter or Service Provider. Always make sure that the other party has a similar speed or a better network than us. Otherwise, poor speed results may generate due to low qiality chemistry.
