| query deserves diversity | (QDD) A Google algorithm that tries to match user intent by providing broader but relevant match results. |
| tsetsb | Acronym. The Search Engine That Spam Built. A pejorative name for Google which became immensely popular with the SEO community after people realized the link farms they developed for Inktomi worked better on Google. Sometimes revived when people discuss the MFA/SpamAd issues and the click fraud controversy. |
| api key | An API Key is a unique value assigned to a user of that particular service. It acts as an identifier to let the software know if access should or should not be granted to the tool. |
| bad neighbor | A bad neighbor, in SEO context, is a site with low quality and/or illegal content. Link to bad neighbors adversely affect the rank of a website. |
| accelerated mobile pages | A project supported by Google to create mobile versions of webpages that load as fast as possible in search. These pages are built using a special set of HTML to make the page light and easy to serve quickly. |
