Search Engine Visibility (2nd Edition)

A single graphic image, generally in a GIF or JPEG format, containing multiple hyperlinks .

A link from an external domain to a web site, bringing traffic to that site. Inbound links are used to measure link popularity.

A searchable database of words pointing to documents created by search engine software.

The part of the search engine that processes and places spidered, or crawled, web documents into a database. The indexer typically processes a document by removing all tags, storing links in a queue, removing filter words, looking for stop words, and storing the document in a searchable database.

A static web page that contains quality content about a specific topic. The page is written for a site's target audience but formatted for easy search engine spidering.

Web sites or pages that search engine spiders cannot or will not crawl because the content is locked up in a database.

A unique number that identifies every computer on the Internet. Currently, an IP address consists of four, 32-bit numbers (from 0 to 255) separated by periods, such as 255.195.12.13.

A type of cloaking technique where customized content is delivered to a site visitor based on the visitor's IP address. Because search engines have unique IP addresses, content delivered to the search engines is not the same content delivered to site visitors .

The act of sending messages to a computer using an IP address from a trusted source to gain unauthorized access to that computer. IP spoofing is illegal in many countries .

Abbreviation for Internet service provider. An ISP is a company that provides access to the Internet.