Haven't noticed a speed increase, did not feel it was a problem before. Now however twitter.com keeps forgetting I want "latest tweets" and resets it to "top t

Haven't noticed a speed increase, did not feel it was a problem before. Now however twitter.com keeps forgetting I want "latest tweets" and resets it to "top tweets" every time I visit. I also only get about 2 hours worth of backlog before I have to klick the "show more tweets" in the iPad client.