What is the Difference Between Crawler & Spider?

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.

Crawler/Spider/Bot are same. All are visiting the website and read the information.

Spider is computer program that follow some links and Crawler is web scraping ( automatically follow all links of webpages).

A search engine crawler is a program or automated script that browses the World Wide Web in a methodical manner in order to provide up to date data to the particular search engine. While search engine crawlers go by many different names, such as web spiders and automatic indexers, the job of the search engine crawler is still the same.

A search engine spider is a program that works behind the scenes to deliver up-to-date Web search results to users through a search engine. The search engine spi

Spider and crawler are technically the same, except that spider is used mainly for a tool used to crawl the website, while crawler is used for search engines

Spider and crawler are technically the same, except that spider is used mainly for a tool used to crawl the website, while crawler is used for search engines

Both are different work in google crawler may be wrong in a link but spider always check accuracy of conent.

Spider - a browser like program that downloads web pages.
Crawler – a program that automatically follows all of the links on each web page.

It's Hebrew and is the same

All these terms mean the same thing, and can be used inter-changeably.

A spider is nothing more than a computer program that follows certain links on the web and gathers information as it goes.

Crawler: These are programs used by search engines to explore the Internet and automatically download web content available on web sites.

Spider: The process that executes a web crawler is called Web crawling or spidering. It's kinda web-based program.

Crawler- a program that systematically browses the World Wide Web in order to create an index of data.
Spider - a browser like program that downloads web pages.

Crawler & Spider:- Both are similar, both are used to crawl a website pages and give SERP pages on keyword search!

Spiders may be a name for the robots or crawlers that scan internet and save the data in websites to a database.

Spider and Crawler are generally same. They crawl a site and then index it

Spiders is a name for the robots or crawlers that scan web and save the information in websites to a database. Hence, "Google spiders" is another name for "Google indexing bots". Spider - a browser like program that downloads web pages. Crawler – a program that automatically follows all of the links on each web page

Spiders - is a name for the robots.
crawlers - that scan web and save the information in websites to a database.

Spider and Crawler or even bot, robot, all are technically same, which crawls or fetches the website details.

Crawler: Also known as Robot, Bot or Spider
Both are same software by google.