What do you mean by Spider?
 

What do you mean by Spider?

A spider is a software program that travels the Web (hence the name "spider"), locating and indexing websites for search engines.

A spider is a software program that travels the Web (hence the name "spider"), locating and indexing websites for search engines.

A search engine spider, also known as a web crawler, is an Internet bot that crawls websites and stores information for the search engine to index

Spiders are called spiders because they usually visit many sites in parallel at the same time, their "legs" spanning a large area of the "web."

Many of the search engines use programs called spiders to index websites. Spiders follow hyperlinks and collect textual and meta information for search engine databases. It may rate the content being inability to help the search engine determine relevancy levels to a search.

(ˈspaɪdər ) noun. 1. any of an order (Araneae) of small, chiefly land arachnids having a body composed of a cephalothorax bearing the legs and an abdomen bearing two or more pairs of spinnerets that spin the silk threads from which are made nests, cocoons for the eggs, or webs for trapping insects.

Spiders are known as spiders due to the fact they normally go to many webweb sites in parallel on the equal time, their "legs" spanning a massive vicinity of the "web."