What do you mean by Spider?

[MVMinfotech18]

What do you mean by Spider?

[John-Smith]

A spider is a program that visits Web sites and reads their pages and other information in order to create entries for a search engine 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."

[neelseowork]

A spider is a program that visits Web sites and reads their pages and other information in order to create entries for a search engine index. The major search engines on the Web all have such a program, which is also known as a "crawler" or a "bot."

[searchenginewings]

A spider is a software program that follows or “Crawls” different links throughout the internet, and then grabs the content from the sites and adds to the search engine indexes.

[RH-Calvin]

Spider is a search engine automated program that is responsible to read through webpage sources and provide information to search engines.