Search engines use complex mathematical algorithms to interpret 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.
Not every single ad will appear on every single search. This is because the ad auction takes a variety of factors into account when determining the placement of ads on the SERP, and because not every keyword has sufficient commercial intent to justify displaying ads next to results. However, the two main factors that Google evaluates as part of the ad auction process are your maximum bid and the Quality Score of your ads.
Search engines are a powerful channel for connecting with new audiences. Companies like Google and Bing look to connect their customers with the best user experience possible. Step one of a strong SEO strategy is to make sure that your website content and products are the best that they can be. Step 2 is to communicate that user experience information to search engines so that you rank in the right place. SEO is competitive and has a reputation of being a black art. Here’s how to get started the right way. Get Started