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With this free program you can do regular internet speed tests in the background. It logs all your data and enables you to see at a glance what your speeds are doing over the course of the hour/day/week/month etc. It will test your download & upload speeds your ping times, packet loss and jitter.

It will generate a CSV log file for all this data and also present you with a graphical representation. you can also create JPG`s of the graph & the manual results window. The memory usage i have managed to get down to approx < 2MB whilst in "sleep" mode (in tray) so a very small footprint.

The main window shows the graphical results of all the tests you have taken so far. On the left hand side there is the list view of the data displayed in numerical manner. The graph window is probably the main part of JDast, it shows coloured results of your test. A test that has a measurement of Kb/s is referenced against the left hand numbers marked Kb/s at the bottom, the results that are measured in milliseconds are referenced against the right hand side numbers.

The only measurement that is different is the packet loss which is measured in percent and this does not have a scale but instead uses the top of the graph to represent 100% and the bottom to represent 0%