Cerebra

A significant pillar of search engine optimisation [SEO] has always been relevance. Delving deeper into present-day search algorithms however, has revealed a development that surely challenges the SEO principles we’re all accustomed to.

Consider this: invisible search engine filters ensure that you and I receive tailored, and therefore, very different SERPs when we individually do a Google search on the topic of, for example, the (see the screenshot below for my results; share yours with me).