Search Engine Optimization (SEO) Glossary

Definitions to the terms used to describe actions and event in the world of Search Engine Marketing.

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DMCA (Digital Millennium Copyright Act)
A declaration that protects digital works found online.
DNS (Domain Name System)
A protocol that lets computers recognize each other through an IP Address, whereas the human sees a website URL.
Dead Link
A hyperlink pointing to a non-existent URL.
Dynamic Site
A site that uses a database to store it's content and is delivered based on the variable passed to the page.
Deliverable
In a contract, these are the expected results of the services provided.
Doorway Page
A web page designed to draw in Internet traffic from search engines, and then direct this traffic to another website.
DMOZ
Also known as the Open Directory Project.
Deep Crawl
Once a month, Googlebot will crawl all of the links it has listed in it's database on your site. This is known as the Deep Crawl.
Directory
Usually human edited, a directory contains sites that are sorted by categories.
Delisting
When a site gets removed from the search index of a search engine.
Dangling Link
This term is applied to a web page with no links to any other pages. Also known as an Orphan Page.
Deep Link
A link on a website that is not reachable from the home page.
Dooced
Fired for negative blogging about the company you work for.
diggbait
Purposely creating content to get traffic from digg.com
DNO
Domain Network Optimizers