I just tried the test for largest MTU and got this
Pinging [66.230.207.58] with 40 bytes ->Request Timed Out
Pinging [66.230.207.58] with 40 bytes ->Request Timed Out
Pinging [66.230.207.58] with 40 bytes ->Request Timed Out
Couldn't determine largest possible MTU due to packets being lost.
You might want to try a different URL 
What does this mean? Also, where is the backup button, I can't see it! lol
Edit: It's ok I figured it out, ran the optimizer and it made no difference.....ah well, was worth a try!