What is web crawling?

A web crawler, or spider, is a type of bot that's typically operated by search engines like Google and Bing. Their purpose is to index the content of websites all across the Internet so that those websites can appear in search engine results

I do not know about this

However, you are still responsible for content that is powerful enough to get them to take action once they see your listing.

Web crawling is the process in which search engine bots like google or bing crawl the context of the websites all throughout the internet so that it appears in the search results page.