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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Jagger Update
A major Google dance that occurred on or around November 5, 2005. Some believe that Jagger implemented a penalty or filter for site wide links. There are also indications that the weighting of authority sites was increased.
Jason Calacanis
Creator of Mahalo and outspoken critic of the search engine optimization industry.
A scripting language that can be embedded into the HTML of a web page to add functionality. Links provided in JavaScript cannot generally be crawled by search engines, and can cause major issues with search engine indexing.
Jennifer Slegg
The founder and editor of JenSense and regular contributor to Search Engine Land.
Blog covering contextual advertising systems such as Google AdSense.
Jeremy Zawodny
Jeremy Zawodny is an engineer at Yahoo! Finance and a prominent blogger on search engine marketing issues.
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Jerry Yang
Founder of Yahoo and its current CEO.
John Battelle
Prominent online and print journalist who wrote The Search: How Google and its Rivals Rewrote the Rules of Business and Transformed our Culture. John is the co-founder of The Industry Standard and Wired. John also publishes Searchblog.
John Dvorak
American columnist and broadcaster who concentrates on technology and computing industries. Dvorak is also the Vice-President of Mevio (formerly PodShow) and well known for his work for Tech TV.

He is a contributing editor at PC Magazine and has won eight national awards from the Computer Press Association. He also contributes to various publications.

He is well known for voicing his dissenting opinion with respect to SEO and Apple Inc.

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