Gmail Standard online client is what we all are habitual to use. As it has all the latest features (ajax, no wait for loading, chat) etc. Once its loaded which hardly take any time at a good decent speed. But once you are traveling or you are at a place where connection is very weak and not stable, then then best way to browse Gmail on Laptops is using Gmail Basic HTML version. Its very light and fast. Try it out when you are stuck with very little or bad internet connection.