Key Terms

•  Back Links – It is also known as incoming links, inbound links, inlinks, and inward links, are incoming links to a website or     web page.
•  PR(Page Rank)-
•  PPC (pay-per-click) or CPC (cost-per-click) marketing:
•  Spider – a browser-like program that downloads web pages.
•  Crawler – a program that automatically follows all of the links on each web page.
•  Indexer – a program that analyzes web pages downloaded by the spider and the crawler.
•  Database– storage for downloaded and processed pages.
•  Results engine – extracts search results from the database.
•  Web server – a server that is responsible for interaction between the user and other search engine components.

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