AllKlear Love Photo/shutterstock.com On CatRank , users can rank images of their favorite cats. When you use the site, you'll see pairs of cats under the "vote" tab. For each pair, you simply pick your favorite, then move on to rank the next pair, and so on. You can also view the list of winning cats for the week and past winners. This week, a cute black cat named Toothless came in first place. The photo shows the cat resting on a step, dangling its little arms over the edge, and staring off into the distance with huge dark eyes that make Toothless look like a cartoon kitty. You can submit your own cat's photo to CatRank if you want to. A big part of winning seems to have to do with getting the right photo of your cat, which is a challenge on its own — anyone who has tried to photograph a cat knows they rarely cooperate on command. All cats are created equally, of course, but this site is like an online pageant they'll never even know they participated in.…