Snapshot...Gateway timeout from siteground

history... installed the plugin... didn't work... gateway timeout issues... so uninstalled it.
tried updraft plugin.. warning..said once SQL table had 200,000 plus records... deleted records...yahoo updraft works... got to thinking maybe snapshot work work now...

reinstalled snapshot... gets gateway timeout errors.... Help please... Answer I got last time was basicaly.. doesn't work on siteground..((why does updraft??)) . go look for something else... Not the best answer.. Is there some settings I can change etc.etc. to get this working ?