What is Crawler?
 

What is Crawler?

crawling
 

It is a process of fetching all the web pages linked to a website.
This task is performed by a software called a crawker or a spider(Googlebot).

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The software created by search engine that check the whole internet to fetch the related quality contents in index of search engine. That we find by searching for google or yahoo.

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."

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.

Crawl is a set of programs through which google crawl your website and indexing their database.

Crawler is the search engine source for indexing your business website and show it in SERP.

Crawler bots and robots are same. This is an application written in a programming language. This application is used to fetch new and existing websites, a web page from the net. All search engines have their own crawlers.

A crawler is a program that visits the Web site and reads their pages and other information to create entries in a search engine index.

A web crawler is an automated program, or script, that methodically scans or “crawls” through web pages to create an index of the data it is set to look for. This process is called Web crawling or spidering.

Hi,
Crawler (Spider) is a bot which repeatedly browses websites. They are used by search engines in order to grow and refresh their indexes.

and it is:

-->A software program hosted online or locally that manages the capture of web content. Learn more in: Web Archiving
--> 2. Also known as robot or spider, it is a module of a search engine that is responsible for visiting Web sites and extracting their content to be further indexed by the search engine. Learn more in: Spatial Search Engines
-->3. An essential part of a search engine which “crawls” the Web, using its linked structure to find webpages which can be analyzed and stored in a search engine’s index. Learn more in: Search Engines: Past, Present, and Future
--> 4. Program or script which methodically browses databases collecting data about its elements Learn more in: Seek and Ye Shall Find

A crawler is a program that visits the Web site and reads their pages and other information to create entries in a search engine index.

Crawler bots and robots are same. This is an application written in a programming language. This application is used to fetch new and existing websites, a web page from the net. All search engines have their own crawlers.

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

It is a google software that visit our site after some interval and put site in their own data base. It retrieve date when some one search with keywords related to store data base.