A crawler is a program used by search engines to collect data from the internet. When a crawler visits a website, it picks over the entire website's content and stores it in a databank. It also stores all the external and internal links to the website.

It is an Internet bot that systematically browses the World Wide Web, typically for the purpose of Web indexing.

A crawler is a program used by search engines to collect data from the internet. When a crawler visits a website, it picks over the entire website’s content and stores it in a databank. It also stores all the external and internal links to the website.

a thing that crawls or moves at a slow pace, especially an insect.
"the light bulb was a magnet for moths and many-legged crawlers"

A crawler 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 "spider" or a "bot." Crawlers are typically programmed to visit sites that have been submitted by their owners as new or updated.

A program that systematically browses the World Wide Web in order to create an index of data.

An internet crawler, every now and then referred to as a spider, is an internet bot that systematically browses the world extensive web, normally for the cause of net indexing (web spidering). Net search engines like google and yahoo and some different sites use web crawling or spidering software to replace their net content material or indices of others sites' net content material.
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Crawling is the process by virtue of which the search engines gather information about websites on world wide web (new / old / updates etc.) .

The crawlers are also known as spiders or bots , they visit website and send information to their respective parent websites.

A Web crawler, sometimes called a spider, is an Internet bot that systematically browses the World Wide Web, typically for the purpose of Web indexing

A Web crawler, sometimes called a spider, is an Internet bot that systematically browses the World Wide Web, typically for the purpose of Web indexing.

A crawler 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 "spider" or a "bot." Crawlers are typically programmed to visit sites that have been submitted by their owners as new or updated. Entire sites or specific pages can be selectively visited and indexed. Crawlers apparently gained the name because they crawl through a site a page at a time, following the links to other pages on the site until all pages have been read.

A program that consistently browses the planet Wide internet so as to form associate index of knowledge.

According to the theory of the sandbox effect, links which may normally be weighted by Google's ranking algorithm, not least improving the position of a webpage in Google's index, may be subjected to filtering to prevent their having a full impact.

A search engine crawler is a program or automated script that browses the World Wide Web in a methodical manner in order to provide up to date data to the particular search engine.

a thing that crawls or moves at a slow pace, especially an insect.
"the light bulb was a magnet for moths and many-legged crawlers"