Glossary of Terms
SEO, Internet Marketing and Commonly Used Forum Expressions.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
- D2D -- Distributor to Distributor
DA -- Danish (2 Letter Language Code)
DC -- Dublin Core
DCMES -- Dublin Core Metadata Element Set
DCMI -- Dublin Core Metadata Initiative
DDL -- Data Definition Language
DE -- German (2 Letter Language Code)
Delisting -- When pages are removed from a search engines index. This may happen because they have been banned or for other reasons, such as an accidental glitch on the search engine's part.
DEM -- Germany Deutsche Marks (3 Letter Currency Code)
Description -- Descriptive text summarizing a Web page and displayed with the page title and URL when the page appears as the result of a user query on a search engine or directory. Some search engines use the description in the description meta tag, others generate their own description from text on the page. Directories often use text provided at registration.Description tags -- A meta tag that allows the author to control the text of the summary displayed when the page appears in search engine results. Some search engines respond to this information, others ignore it.
- DHTML -- Dynamic HTML adds more elegance to basic HTML. With DHTML, you can make changes without causing the whole screen to redraw. So, for example, in a DHTML site, users can roll over a menu and see the choices change color, or they see one graphic to turn into another graphic. A good DHTML programmer can write code that will be 'friendly' to all browsers and types of computers.
Directories -- A type of search engine where listings are gathered through human efforts, rather than by automated crawling of the web. In directories, web sites are often reviewed, summarized in about 25 words and placed in a particular category.
DKK -- Denmark Kroner (3 Letter Currency Code)
DMCA -- Digital Millennium Copyright Act (.pdf)
DML -- Data Manipulation Language
DMOZ -- Directory MOZilla (a directory)
DNS -- Domain Name System
DOC -- Word Processing Document (file.doc)
DOM -- Document Object Model
Doorway Page -- Also called a gateway page. A doorway page exists solely for the purpose of driving traffic to another page. They are usually designed and optimised to target one specific keyphrase. Doorway pages rarely are written for human visitors. They are written for search engines to achieve high rankings and hopefully drive traffic to the main site. Using doorway pages is a violation of the Terms Of Service of most search engines and could be grounds for banning.
DOS -- Disk Operating System
DTD -- Document Type Definition
DVD -- Digital Versatile Disk
Dynamic content -- Web page content that changes or is changed automatically based on database content or user information. You can usually spot dynamic sites when the URL ends with .asp, .cfm, .cgi or .shtml, but it's also possible to serve dynamic content with standard static pages (.htm or .html). Many search engines index dynamic content, but some don't if there's a "?" character in the URL.
We encourage you to use this resource as much as possible and if you ever come across a term that you don't know and you can't find it in our glossary simply stop by our SEO Forum and visit the Glossary of Terms thread. Let us know what term needs to be added or defined, we will do the research and post it by the end of the day!
To find the definition of any word just click on the first letter in the word.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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