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Old 10-09-2017, 01:43 AM   #5
peter693
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Join Date: Jun 2017
Posts: 184
Spider - The browsers are like a program and to download the web page.

Crawler – The program is automatically to follow the links are web page..

Robots - It had automated computer program can visit websites. It will guided by search engine algorithms It can combine the tasks of crawler & spider helpful of the indexing the web pages and through the search engines.
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