When you think back to how the world of SEO and link building has changed over the past 2 years, it’s absolutely amazing. Before the rollout of the original Penguin update and all of the webmaster warnings, link building was kind of a Wild West, with SEO managers throwing budget of whatever worked at the time (or was rumored as working) and piling fragile strategies on top of fragile strategies.
I think one of the more powerful visualizations of the link farming drought was looking at the booths at search marketing conferences, and comparing the link oriented businesses that had set up in 2011 vs. 2012. There used to be almost every type of linking vendor you were looking for; from sponsored blog post companies to link rental companies … from link wheels to social bookmarking companies.
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