You have created the best bit of content on the web about purple cats – you now need to let every cat blogger (not lover) know where that content is.
No one is going to link to your content unless they know about it. No one is going to know about it – until you get links. Hence, you need to let the right people know where it is to get the ball rolling. Once they see it’s the best content about purple cats, they may well link to it in their next blog post and cats and the different colours you can dye them these days.