I use blockchain wallet its very good to wallet online and i think is the best wallet online and also xapo i like to use it because no fee for sent bitcoins.
I feel the same blockchain wallet to be the best. After using this I have never tried for some alternate wallet. This is very good with all facilities and required security. Many has suggested Xapo too, So I would have a try over it and learn its features and advancements which may help me.