Web crawlers
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Web Crawlers. Sam. What is a web crawler, what does it do?. Web crawlers are programs which the search the internet in a methodical manner. They constantly move site-to-site (thus the name crawler ) to provide the most up-to-date search results possible.

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What is a web crawler what does it do
What is a web crawler, what does it do?

  • Web crawlers are programs which the search the internet in a methodical manner. They constantly move site-to-site (thus the name crawler) to provide the most up-to-date search results possible.

  • When a web crawler has found a webpage created or changed, it will index the page and address to the owner’s server, to make the user’s search happen much faster.


Examples of web crawler
Examples of web crawler

  • Googlebot

  • Yahoo! Blurp

  • Bingbot

  • Can you think of what search engines use these crawlers? I can only imagine…


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