There are many occassions when you may want to put a PDF on your site. For example, when you’ve made an online magazine, when an article you wrote was featured in a book or magazine, or when you’ve written detailed instructions for a DIY project. So far, so good. But things can get a bit …Read: "Ask Yoast: Canonical for PDF magazine"
If you want your page to rank, creating appealing, informative and high quality content is key. This content also needs to be UNIQUE. If not, you might confuse the search engine, resulting in a duplicate content issue. We regularly write about this common issue, how to prevent and how to solve it.