My client states that I am on block 710119. However
http://tek.blockchain.lt/ says Tek is on block 710093. Is this due to the website uploading slower than the client or should I be worried? Those numbers are fairly close.
My client is not currently loaded, however if you are running the current version (2.2) it's automatic checkpointing will correct it in short order if you are on the wrong fork. Or at least it should. It's possible that the block explorer is behind, but it has been pretty accurate of late.