[b]"What is the main purpose of a web crawler program? How does it help search engines?"[/b] Alternatively, for a mor

Short answer: Crawlers are the reason Google knows stuff exists.

Longer answer: what is the main purpose of a web crawler program? It’s to discover and organize web content. They “crawl” by hopping from link to link, storing data so search engines can retrieve it fast.

And yes, they impact rankings—if a crawler can’t access your site well, you’re basically invisible. Tools like Ahrefs or Moz can help you understand crawling better.