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What is the definition of...
Search Engine
- a web site that offers its visitors the ability to search for content (e.g. information, products, etc.) on the Internet. Search engines periodically spider webpages and add the textual information into their index. Contrast this with a directory, that require human submission, editing and approval.
Search Engine Marketing (SEM)
- running marketing campaigns on search engines usually in the form of contextual ads, e.g. Google's Adwords program displays your Dell Inspiron laptop ad on the right-column in the search results for "Dell laptops", depending on your bid for that keyword phrase.
Search Engine Optimization (SEO)
- increasing your rankings on SERPs, and hence traffic, by optimizing the webpages for search engines, link building, etc.
Spider (a.k.a bot, robot and crawler)
- programs used by a search engine to periodically explore your web site to retrieve information and store in its index. Spiders can also be used to automate tasks like checking links or validating codes, and sometimes for ill intentions like harvesting e-mail addresses for spam.
Stop Character
- special characters like "&" and "=" webpage's URL that tip off a search engine that the page in question is dynamic. Search engines are cautious of indexing dynamic pages for fear of spider traps, thus pages that contain stop characters in their URL run the risk of not getting indexed.
Stop Word
- words like "the" and "a" are so common and meaningless that a search engine ignores them. As a result, including too many stop words in your title tag will dilute the keyword density.
SERP
- acronym for Search Engine Results Page.
Traffic
- the amount of visitors to a website usually measured as unique visitors per day or per month.
Unique Visitors
- a count of individual visitors who have accessed your web site for a given period.
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