mdsplotfileinput.php is a version that reads your inputs from a file!

You can also combine plots from different servers.

mdsMultiSig: for Plotting Multiple MDSplus Signals on the same Frame. (example) (20-signal version). You may also use the version that reads and writes inputs from a file.

mdsplotfast.html should provide the fastest Web Tool plotting for signals from multiple shots.
Or try the version that reads inputs from a file.