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LCLS hosts a speed test server to assess the speed of your connection to our servers. It is available at https://pswww.slac.stanford.edu/speedtest/. Authentication with SLAC account credentials is required.
In order to determine where a bottleneck may be, it is useful to perform a comparison test. We recommend using the Measurement Lab service available at https://speed.measurementlab.net/#/
Your MLab test may connect you to a nearby server depending on your location. Take this into account when you compare the results. (For example, if you are far from SLAC, you will certainly notice a difference in the latency (aka Ping) measurements.)
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