How to Get the OptiFine Cape in Minecraft - Make Tech Easier
Banner Capes - Minecraft Mods - CurseForge
5 Black Optifine Cape Designs! (Best Minecraft Capes) - YouTube
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.
Hypixel Cape [Optifine] | Hypixel - Minecraft Server and Maps
How To Make A Custom Banner Optifine Cape - YouTube