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Online Marketing Workbook
Task 9 - The crawler
a. What is meant by a crawler?
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b. What other terms are used for this?
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Task 10 - Search engine storage of website information
Search engines store website information.
a. List 10 different types of website information that search engines store in their database.
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b. Why is all this information stored by the search engines?
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Task 11 - The disadvantage of PageRank
In the book you can read why the PageRank system was invented and used by search engines,
namely to determine the quality of web pages. What turned out to be a disadvantage of this so well-
intentioned democratic system?
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