Image by Daniel Voyager
It’s an article of faith in many parts of the SEO industry that publishing content unrelated to your niche is at best useless, and at worst actively harmful to your rankings.
There has been mounting evidence, however, that tangentially-related or even unrelated content can help your site rise through the rankings.
Sheer link bulk, from viral videos, ad campaigns or popular meme macros, can cue search engines to increase your rank.
But why, and how?