OptiFine on Twitter: "Website is back up, and broken capes should be fixed. There is also a new "Banners" tab where you can view the most popular OptiFine banner cape designs currently.
optifine cape | Nova Skin
GUIDE] OPTIFINE CUSTOM CAPES | Hypixel - Minecraft Server and Maps
How To: CROWN OPTIFINE CAPE! (Optifine Cape Designs) - YouTube
How to make 10 cool Optifine Capes - YouTube
How to Move Your OptiFine Cape to a Different Minecraft Account