| Backlinks | All the links pointing at a particular web page. Also called inbound links. Source: Webmaster World Forums |
| Banned | When pages are removed from a search engine's index specifically because the search engine has deemed them to be spamming or violating some type of guidelines. |
| Bandwidth | How much information (text, images, video, sound) can be sent through a connection. Usually measured in bits-per-second. A full page of text is about 16,000 bits. A fast modem can move approximately 15,000 bits in one second. Full-motion full-screen video requires about 10,000,000 bits-per-second, depending on compression. |
| Banner | Banners are the 468-by-60 pixels ad space on commercial Web sites that are usually "hot-linked" to the advertiser's site. |
| Beta | This term has migrated from computer and software development, and it is usually used as "beta site." It means test site or test version. Beta is not the finally version of a product or web site, but it's close enough to show in public and work the bugs out. |
| Bookmark | A bookmark is an easy way to find your way Back to a web site -- just like a real bookmark helps you keep your place in a book you are reading. |
| Bot | Abbreviation for robot (also called a spider). It refers to software programs that scan the web. Bots vary in purpose from indexing web pages for search engines to harvesting e-mail addresses for spammers |
| BMP | Bitmap (file.bmp) |
| Branding | A school of advertising that says, "If the consumer has heard of us, we've done our job." Fortunately for agencies, brand value is extremely difficult to measure, so branding campaigns can be easily defended with grandiose predictions of future glory. |
| Browser | An application used to view information from the Internet. Browsers provide a user-friendly interface for navigating through and accessing the vast amount of information on the Internet. |
| Browser Caching | To speed surfing, browsers store recently used pages on a user's disk. If a site is revisited, browsers display pages from the disk instead of requesting them from the server. As a result, servers under-count the number of times a page is viewed. |
| Browsing | A term that refers to exploring an online area, usually on the World Wide Web. |
| Buttons |
Objects that, when clicked once, cause something to happen. Cache |

