| application program interface | (API) A set of routines, protocols, and tools for creating software applications. Many search products and other information-based products have API programs, allowing for the simplified integration and use of third party software in custom applications. |
| bounce rate | The percentage of total visits that did not result in a secondary action on your site. For example, if someone visited your home page and then left before viewing any other pages, that would be a bounced session. |
| sergey brin | |
| indexability | How easily a search engine bot can understand and add a webpage to its index. |
| google pigeon update | The name (given by the SEO industry, not Google) of a significant Google local search update launched July 24, 2014. The goal of Pigeon was to improve the accuracy and relevance of local searches by leveraging more traditional Google ranking signals and improving distance and locating ranking parameters. |