Search engines use complex mathematical algorithms to guess which websites a user seeks. In this diagram, if each bubble represents a website, programs sometimes called spiders examine which sites link to which other sites, with arrows representing these links. Websites getting more inbound links, or stronger links, are presumed to be more important and what the user is searching for. In this example, since website B is the recipient of numerous inbound links, it ranks more highly in a web search. And the links "carry through", such that website C, even though it only has one inbound link, has an inbound link from a highly popular site (B) while site E does not. Note: Percentages are rounded.
For example, you may repurpose your blog content into a different form to satisfy the needs of your social media audience. You may decide to put more resources into email marketing as a traffic driver. You may tighten up your brand story because you want your messaging to be more congruent across all customer touchpoints. All these marketing tasks are tied to organic traffic. And they all have a substantial impact on your bottom line.