What Technologies Do Search Engines use to crawl Websites.
Search engines use a combination of technologies to crawl websites efficiently and index their content. Here are some key technologies involved: Web Crawling Algorithms: Search engines employ algorithms to determine which websites to crawl, how often to crawl them, and which pages to prioritize. These algorithms help in discovering new content and updating the search index. Web Crawlers or Spiders: These are automated bots that navigate the web by following hyperlinks from one page to another. They download the content of web pages, including text, images, and other media, to analyze and index it. DNS (Domain Name System): Crawlers use DNS to translate human-readable domain names into IP addresses. This translation is crucial for the crawlers to locate and access the servers hosting the websites. HTTP/HTTPS Protocols: Crawlers use the HTTP or HTTPS protocols to request and retrieve web pages from servers. They send requests to the server, and the…