Here's a quick guide on CK third party sites. Discord is a good place to start and ask questions but its good to start with some knowledge before jumping on those boards.
https://cryptokitties411.com/ is the best one-stop users guide I have found. Read and be educated.
https://kitty.appx.hk/100/101/0 this is best breeding predictor I have seen.
http://poopie.cat/ this is best, longest running, most legit giveaway site. Check out cat hat 
https://ethgasstation.info/ essential site to watch gas.
https://chrome.google.com/webstore/detail/kitty-hats/fhdpjkkmdmpdglambidhbckogfhhelok accesories for your cat. Not my thing but its out there.
Daily trivia: Phuzi10k is now at 9905 likes. Amazing! https://www.cryptokitties.co/kitty/448793
Wow, great list! And thanks so much for including CryptoKitties411. Glad you've found it helpful!
Really helpful. Good community starting to build around CK :)