At the bottom of this post you’ll find two (me thinks) classic infographics about Search Engine Optimisation (SEO). They were made by Search Engine Marketing agency Greenlight in London.
These infographics show you in the glance of an eye what became more and less important in SEO over the years.
Without going into too much detail about all these different factors, I want to highlight one obvious and quite major change: the shift towards trust.
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