It’s 25 years ago since the first search engine started being used – Archie in 1990 with Gopher hot on its heels in 1991. A few more had a good crack at it in the interim, but then, in 1997, along came Google. Now, SEO is big business for organisations of all sizes as they try to make sense of the algorithms and analytics. And in this infographic from Keyword Eye, you can see the incredible growth of SEO over the last couple of decades.
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