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Hi,
Crawler (Spider) is a bot which repeatedly browses websites. They are used by search engines in order to grow and refresh their indexes.
and it is:
-->A software program hosted online or locally that manages the capture of web content. Learn more in: Web Archiving
--> 2. Also known as robot or spider, it is a module of a search engine that is responsible for visiting Web sites and extracting their content to be further indexed by the search engine. Learn more in: Spatial Search Engines
-->3. An essential part of a search engine which “crawls” the Web, using its linked structure to find webpages which can be analyzed and stored in a search engine’s index. Learn more in: Search Engines: Past, Present, and Future
--> 4. Program or script which methodically browses databases collecting data about its elements Learn more in: Seek and Ye Shall Find
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Sonvi Belani
Ecommerce Website Developer
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