1. What is a Search Engine
EIT, Author Gay Robertson, 2017

2. Search engines …
An End-user application that allows you to search the internet for information stored on other websites
Google is a global search engine.
The EIT Search is a local search engine (EIT site search only)
Can Index hundreds of millions of pages per day to match keywords the user keys into searches
Search Engines Respond to tens of millions of queries per day

4. Commonly used Search Engines

5. Parts of a Search Engine
A spider (also known as a crawler or bot) an automated browser that reads the HTML content of every page on every Web site using hypertext links to move between the pages

6. Parts of a Search Engine
A catalogue that creates a huge index from the pages that have been read by the spider when you click “search” it is this database that is being searched in an efficient manner for lightning fast results

7. Parts of a Search Engine
A program called a search algorithm that receives your search request, compares it to indexed entries, and returns results that are most relevant

8. Ask and you will receive
The Search cycle
Ask and you will receive

9. Search engine Help pages .. eg Google

10. Really useful stuff!!

11. Directories

12. Metacrawlers

13. For more help and information, go to http://www. computerhope
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