What is Search engine spider?

[Emili]

Crawling relates to Search Engine Optimization. This is a process execute by search engine spiders when searching for relevant websites on the internet.

[mikerabert]

The search engine spider will follow each of the links, adding all the pages it finds to the search engine's index.

[bobnelson]

The term search engine spider can be used interchangeably with the term search engine crawler. A spider is a program that a search engine uses to seek out information on the World Wide Web, as well as to index the information that it finds so that actual search results appear when a search query for a keyword is entered.

[ShaliniVerma]

To find information on the hundreds of millions of Web pages that exist, a search engine employs special software robots, called spiders, to build lists of the words found on Web sites. When a spider is building its lists, the process is called Web crawling.

[gabriellanichol]

Search engines send out what are called spiders, crawlers or robots to visit your site and gather web pages. These robots leave traces behind in your access logs, just as an ordinary person does.

[sagarpatel8]

SE robots or crawler are a set of program that collect information on particular web page by their meta tag and display it in search result snippet.

[nilam-shah]

Spiders are used to feed pages to search engines. It's called a spider because it crawls over the Web. Another term for these programs is webcrawler.