Spider is basically a program that automatically surfs the webpages and adds them in search engine's database.Search Engine uses spiders to search websites,collect information from them and then index them in their database.
Spiders are also known as crawlers or robots.
1 comment:
Excellent breif explanation on what is a spider, a little to basic. The article I found http://www.kelowna-web-design.com/what-is-a-spider/ has a pretty layman term post your visitors may find useful... hope this helps :)
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