What is a spider?

[acsius1]

Spiders belong to the phylum Arthropoda, along with insects and crustaceans. the order of spiders, Araneae together with scorpions, harvestmen, and the large order of mites and ticks make up the class of Arachnida.

[Rajdeep Bose]

A spider, also known as a robot or a crawler, is actually just a program that follows, or "crawls", links throughout the Internet, grabbing content from sites and adding it to search engine indexes. Spiders only can follow links from one page to another and from one site to another.

[ATSI]

Spider or Bot is a Search Engine program that crawls or visits every websites that are indexed and checks for any updates that meets with the latest Google algorithms and rank them respectively

[SammiRose]

Spider is one of the most special program from the various search engines to collect data from the websites and delivers to the datacenters of the search engines. You can prevent this spider to not index certain webpage or directory through robots.txt file.

[om2580]

very nice , useful information, thanks for posting with us

[oliviagrant]

Hello Friend,

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.

[BenWood]

Spiders follows hyperlinks from one web page to another and from one web page to another. That is the reason why hyperlinks to your web page are so crucial. Getting hyperlinks to your web page from other sites will give the spiders more possibilities to find and re-index your web page.

[sheenagoyal13]

spider is a robot. it is used to web examining for the website in order to add in the database of search engine. it means it is used to index of the new website.

[cmsideas]

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