•    B2B:  Business to Business.

•    B2C: Business to Consumer

•    Back Link (inlink, incoming link): This is referred to any link into a page or site from another page or site.

•    Black Hat Search Engine Optimization:  These are methods which are used against the Google Webmaster Guidelines and practices.

•    Bot (robot, spider, and crawler): It is an application or programs that do a task for search engines to find out web pages to their search indexes.

    Bounce Rate:  The percentage of users that arrives at a website landing page and leaves the site without entering into the other sites and pages.

•    Bread Crumbs:  Web site navigation in a horizontal bar above the main content which helps the user to understand where they are on the site and how to get back to the root areas.