What is spider?

[virendra]

Spider also called as bot, crawler or robot is a set of computer program that browses the World Wide Web in methodical and orderly fashion as well automatically scan the webpages and website for updated content and download a copy to its data center to index.

[Chhaya]

A program that automatically fetches Web pages. Spiders are used to feed pages to search engines. It's called a spider because it crawls over the Web. It also called as webcrowlr

[josephinek]

A spider is a search engine robot (bot) that crawls site for information used to determine site-relevance to a queried term.

[Michael 55]

Hi,

Spiders (position Araneae) are air-breathing arthropods that human cardinal legs and chelicerae with fangs that introduce neurotoxin. They are the largest prescribe of arachnids and range seventh in number species heterogeneity among all else orders of organisms.

Michael

[sophiapana]

Search engine spider is a program that visit the website and fetches the Web pages automatically.

[rohit]

A spider is a piece of software that follows links throughout the Internet, grabbing content from sites and adding it to search engine databases.

[jaysh4922]

Spiders,Crawlers, or google Bots are just programs the search engines use to index the content found on the World Wide Web.

[Jason P]

Spider is a search engine crawler or bot, a computer-generated program used by most of all search engines. Spider travels on a web, gathers latest information or data links, and submits it in search engine directories. For information visit: http://whatis.techtarget.com/definition/spider

[arianagrand]

Useful thread ..

Spiders have a two-part body, four pairs of legs and two pincers. They don't have antennae, but instead have bristly hairs on their body and legs, which are used to pick up signals and messages. It's thought that spiders can actually taste things with their feet.

[displaysandexhi]

Spider is crawl the website or a program which automatically fetch the web pages.

banner stands (http://www.displaysandexhibits.com/pop-up-displays.html)

[annabelle123]

Spider is a program for crawled the newly update data in worldwide.

[thomosmax]

A spider is also called crawler of Google which index or crawl different sites.