The world of search engine optimization is full of debates, including one surrounding absolute links and relative links. The debate contest the significance of each. However, the majority feel that absolute links provide more value when it comes to SEO.
It is also believed that absolute links have a decrease chance of having issues when a search engine indexes a page. While this should not make a difference, the reasoning behind absolute links is enough to make SEO experts lean towards them.
Content scrapers and RSS services can jeopardize the legitimacy of your content. You want to ensure that a quality backlink is put in place and that is why absolute links are favored. While this statement is a small matter, it is still something you should consider when building links.