Search Engine Optimization (SEO) Glossary

Sure you probably don't know what the Google Death Penalty is, but neither did we at one point in time. Below is a glossary of terms (jargon, really) seen in the Search Engine Marketing industry. Skim through and impress your friends when they ask about Doorway Pages.

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The action of conducting commercial transactions online, typically through an online store, where information, goods, and/or services are being sold. is an example.
EINet Galaxy
Arguably the very first search engine, although it was really more of a web directory. Created in 1994 as part of the MCC Research Consortium at the University of Texas.
Email Marketing
The practice of contacting prospective or actual customers via email. While sending unsolicited bulk email (e.g. email spam) is contemptible, email marketing can be a very effective method of working with prior customers to retain mindshare.
Email Newsletter
Similar to the traditional print newsletter, an email newsletter is sent electronically, usually to subscribers or members on a particular email list. Email newsletters can be sent weekly, monthly, bi-monthly, quarterly, or annually.
A set of mathematical algorithms that are used to encode data in order to protect it from unauthorized users. This is a security measure.
Entry Page
Any page within a website that a user uses to enter that website. Can also be considered a Landing Page.
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Eric Schmidt
Google's CEO and Chairman of the Board. Dr. Schmidt was previously at Novell, Sun Microsystems and Xerox PARC.
Error Page
A web page that contains an error message to the visitor. Common error messages include 404 Error.
Exact Match
In Google AdWords, exact match means that the search query must exactly match the advertiser's keyword in order for the advertisement to show.

Exact match traffic is generally more targeted than either broad match or phrase match traffic.
Exit Page
The last page that a visitor views before leaving a website. The opposite of an entry page.
eXtensible Markup Language
A flexible way to create common information formats and share both the format and the data on the Web, intranets, and elsewhere.
External Linking
The act of building properly structured links from third party sites for search engine optimization. The opposite of external linking is internal linking. All else equal, external links are more powerful, but internal links are often easier to control.

An example of the power of off page optimization can be found through the Google bomb.
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External Referrer
A URL that is outside of a particular website, but refers visitors to that website.

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